problem stringlengths 145 4.09k | solution stringlengths 1 1.29k | task_type stringclasses 1
value | problem_tokens int64 36 895 |
|---|---|---|---|
The following is a multiple choice question (with answers).
===Question
Except for which of the following, the above-ground parts can be cut and used as medicine?
===Choices
Ficus carica
Gentiana scabra
Lavandula angustifolia
Olea europaea
Salvia officinalis
Rosmarinus officinal
Artemisia absinthium
Echinacea purpurea
Mentha piperita
Cymbopogon citratus | Gentiana scabra | general_qa | 102 |
The following is a multiple choice question (with answers).
===Question
Which of the following descriptions about the excretory system of reptiles is correct?
===Choices
The urine produced by the kidneys of most reptiles is transported to the bladder via the ureters for storage, then excreted through the urethra after reabsorption.
The excretory system of reptiles uses specialized gills for nitrogen waste elimination, functioning effectively outside of water.
The excretory system of reptiles includes a dual filtration mechanism unlike any seen in amphibians or mammals.
The basic structure of reptilian kidneys is essentially no different from that of amphibians, but the number of nephrons has significantly increased.
Reptilian kidneys possess intricate loops like those of desert mammals, allowing for complete water reabsorption in arid habitats.
Most reptiles excrete nitrogenous waste primarily as urea.
The kidneys of reptiles, in terms of phylogenetic development, belong to the metanephros and do not pass through the stages of pronephros and mesonephros during the embryonic period.
Reptiles rely mainly on their skin for primary excretion, making the kidneys a secondary excretory organ with minimal function.
The nephron count in reptilian kidneys is greatly reduced compared to other vertebrates, prioritizing simplified functionality.
The basic structure of reptilian kidneys is uniquely adapted to saltwater environments, similar to marine mammals, for efficient osmoregulation. | The basic structure of reptilian kidneys is essentially no different from that of amphibians, but the number of nephrons has significantly increased. | general_qa | 298 |
The following is a multiple choice question (with answers).
===Question
In general, the study efficiency before the test is higher than usual, what does this mean?
===Choices
The initiative and purpose of memorization affect the effect of memorization
The complexity of the material affects the memorization effect
It affects the memorization effect on the organization of materials
The length of study sessions affects the memorization effect
The time of day affects the memorization effect
The use of study aids affects the memorization effect
The degree of understanding of material meaning affects the memorization effect
The number of breaks taken affects the memorization effect
The study environment affects the memorization effect
The properties of materials affect the effect of memorization | The initiative and purpose of memorization affect the effect of memorization | general_qa | 148 |
The following is a multiple choice question (with answers).
===Question
One end of a metal rod of uniform cross-section and length $1.5$ m is in contact with ice at one end and the other end is in contact with steam at $100^{o}$C. At what point along its length should a temperature of $200^{o}$C be maintained so that in the steady state the mass of ice melting is equal to that of steam produced in the same interval of time? (Specific latent heat of ice = $80$ kcal kg$^{-1}$ and that of steam = $540$ kcal kg$^{-1}$
===Choices
0.15 m from cold end
1.6 m from cold end
0.104 m from cold end
1.52 m from cold end
1.35 m from cold end
0.9 m from cold end
1.3 m from cold end
1.2 m from cold end
1.45 m from cold end
1.4 m from cold end | 1.4 m from cold end | general_qa | 226 |
The following is a multiple choice question (with answers).
===Question
A sequence $\{R_n\}_{n \ge 0}$ obeys the recurrence $7R_n = 64-2R_{n-1} +9R_{n-2}$ for any integers $n \ge 2$ . Additionally, $R_0 = 10 $ and $R_1 = -2$ . Let
$$$S = \sum^{\infty}_{i=0} \frac{R_i}{2^i}.$$$
$S$ can be expressed as $\frac{m}{n}$ for two relatively prime positive integers $m$ and $n$ . Determine the value of $m + n$ .
===Choices
446
449
443
448
447
442
440
445
441
444 | 443 | general_qa | 197 |
The following is a multiple choice question (with answers).
===Question
A signal $A \operatorname{cos} \omega_{\epsilon} t$ suffers additional interference from another signal $N \operatorname{cos} (\omega_s + \omega_{N}) t$. If $A \gg N$, the frequency offset of the combined signal is ().
===Choices
$$
A \ \omega_{\epsilon} / 2 \pi A=A f_{\epsilon} / A
$$
$$
N \ \omega_{\epsilon} / 2 \pi N=N f_{\epsilon} / N
$$
$$
N \ \omega_{\epsilon} / 2 \pi A=N f_{\epsilon} / A
$$
$$
A \ \omega_{N} / 2 \pi N=A f_{N} / N
$$
$$
N \ \omega_{s} / 2 \pi A=N f_{s} / A
$$
$$
N \ \omega_{s} / 2 \pi N=N f_{s} / N
$$
$$
A \ \omega_{N} / 2 \pi A=A f_{N} / A
$$
$$
N \ \omega_{N} / 2 \pi A=N f_{N} / A
$$
$$
A \ \omega_{s} / 2 \pi N=A f_{s} / N
$$
$$
A \ \omega_{s} / 2 \pi A=A f_{s} / A
$$ | $$
N \ \omega_{N} / 2 \pi A=N f_{N} / A
$$ | general_qa | 332 |
The following is a multiple choice question (with answers).
===Question
Compute the integral:
$$
\int \frac{ -2 }{ e^{3 \cdot x} + \sqrt{1 + e^{6 \cdot x}} } \, dx
$$
===Choices
C - \frac{1}{3} \cdot \left( \frac{2}{e^{3 \cdot x} + \sqrt{1 + e^{6 \cdot x}}} + 2 \cdot \ln\left( \frac{e^{3 \cdot x} + \sqrt{1 + e^{6 \cdot x}} + 1}{1 + e^{3 \cdot x} + \sqrt{1 + e^{6 \cdot x}}} \right) \right)
C - \frac{1}{3} \cdot \left( \frac{2}{e^{3 \cdot x} + \sqrt{1 + e^{6 \cdot x}}} + 2 \cdot \ln\left( \frac{e^{3 \cdot x} + \sqrt{1 + e^{6 \cdot x}} - 1}{1 + e^{3 \cdot x} - \sqrt{1 + e^{6 \cdot x}}} \right) \right)
C - \frac{1}{3} \cdot \left( \frac{2}{e^{3 \cdot x} + \sqrt{1 + e^{6 \cdot x}}} + 2 \cdot \ln\left( \frac{e^{3 \cdot x} + \sqrt{1 + e^{6 \cdot x}} - 1}{1 + e^{3 \cdot x} + \sqrt{1 + e^{6 \cdot x}}} \right) \right)
C - \frac{1}{3} \cdot \left( \frac{2}{e^{3 \cdot x} + \sqrt{1 + e^{6 \cdot x}}} + 2 \cdot \ln\left( \frac{e^{3 \cdot x} + \sqrt{1 + e^{6 \cdot x}} + 1}{1 + e^{3 \cdot x} - \sqrt{1 + e^{6 \cdot x}}} \right) \right) | C - \frac{1}{3} \cdot \left( \frac{2}{e^{3 \cdot x} + \sqrt{1 + e^{6 \cdot x}}} + 2 \cdot \ln\left( \frac{e^{3 \cdot x} + \sqrt{1 + e^{6 \cdot x}} - 1}{1 + e^{3 \cdot x} + \sqrt{1 + e^{6 \cdot x}}} \right) \right) | general_qa | 475 |
The following is a multiple choice question (with answers).
===Question
Let `xi _1, xi _2, xi _3, xi _4` be a fundamental solution set of `Ax=0`. Then another fundamental solution set of the equation can be ( )
===Choices
[ {xi _1} + {xi _2}, {xi _2} + {xi _3}, {xi _3} + {xi _4}, {xi _4} + {xi _1}]
a vector group `alpha _1, alpha _2, alpha _3, alpha _4` of the same rank as `xi _1, xi _2, xi _3, xi _4` but not equivalent
[{xi _1} + {xi _2}, {xi _2} + {xi _3}, {xi _3} - {xi _4}, {xi _4} - {xi _1}]
a vector group `alpha _1, alpha _2, alpha _3, alpha _4` of the same nullity as `xi _1, xi _2, xi _3, xi _4`
a vector group `alpha _1, alpha _2, alpha _3, alpha _4` of the same span as `xi _1, xi _2, xi _3, xi _4`
a vector group `alpha _1, alpha _2, alpha _3, alpha _4` of the same dimension as `xi _1, xi _2, xi _3, xi _4`
a vector group `alpha _1, alpha _2, alpha _3, alpha _4` of the same nullity as `xi _1, xi _2, xi _3, xi _4` but not equivalent
a vector group `alpha _1, alpha _2, alpha _3, alpha _4` equivalent to `xi _1, xi _2, xi _3, xi _4`
a vector group `alpha _1, alpha _2, alpha _3, alpha _4` of the same rank as `xi _1, xi _2, xi _3, xi _4`
a vector group `alpha _1, alpha _2, alpha _3, alpha _4` of the same rank as `xi _1, xi _2, xi _3, xi _4` but with a different basis | a vector group `alpha _1, alpha _2, alpha _3, alpha _4` equivalent to `xi _1, xi _2, xi _3, xi _4` | general_qa | 495 |
The following is a multiple choice question (with answers).
===Question
Assuming the demand for corn is inelastic, and the quantity of corn produced equals the quantity sold and demanded, a bad climate causes a 20% drop in corn production. In this situation ( )
===Choices
The income of corn producers increases as people switch to other crops
The income of corn producers increases as the demand for corn triples
The income of corn producers decreases because people buy less corn.
The income of corn producers decreases despite a rise in corn prices
The income of corn producers decreases because corn production falls by 20%
The income of corn producers increases because the price of corn will rise by more than 20%
The income of corn producers decreases as corn prices fall by 20%
The income of corn producers remains unchanged
The income of corn producers decreases by exactly 20%
The income of corn producers increases because the price of corn will rise by less than 20% | The income of corn producers remains unchanged | general_qa | 200 |
The following is a multiple choice question (with answers).
===Question
How is the first eccentricity of an ellipsoid of the Earth defined?
===Choices
e = \frac{\sqrt{a^2 - b^2}}{a}
e = \frac{\sqrt{a^2 - b^2}}{a^2 - b^2}
e = \frac{\sqrt{a^2 - b^2}}{2a}
e = \frac{\sqrt{a^2 - b^2}}{2b}
e = \frac{\sqrt{a^2 - b^2}}{a^2}
e = \frac{\sqrt{a^2 + b^2}}{a}
e = \frac{\sqrt{a^2 - b^2}}{a - b}
e = \frac{\sqrt{a^2 - b^2}}{a + b}
e = \frac{\sqrt{b^2 - a^2}}{a}
e = \frac{\sqrt{a^2 - b^2}}{b} | e = \frac{\sqrt{a^2 - b^2}}{a} | general_qa | 226 |
The following is a multiple choice question (with answers).
===Question
Pink disease is caused due to the chronic exposure of?
===Choices
Aluminum
Mercury oxide
Copper
Mercury sulfide
Lead
Cadmium
Mercury
Mercury chloride
Arsenic
Silicon | Mercury | general_qa | 61 |
The following is a multiple choice question (with answers).
===Question
A uniform plane wave is incident from medium 1 onto the planar boundary with medium 2. Given that $\sigma_{1}=\sigma_{2}= 0$, $\mu_{1}=\mu_{2}=\mu_{0}$, determine the value of $\frac{\varepsilon_{r2}}{\varepsilon_{r1}}$ when 10% of the average power of the incident wave is reflected is().
===Choices
$$
\frac{\varepsilon_{r 1}} {\varepsilon_{r 2}}=4.01 \text{ or }
\frac{\varepsilon_{r 1}} {\varepsilon_{r 2}}=0.249
$$
$$
\frac{\varepsilon_{r 1}} {\varepsilon_{r 2}}=3.00 \text{ or }
\frac{\varepsilon_{r 1}} {\varepsilon_{r 2}}=0.333
$$
$$
\frac{\varepsilon_{r 1}} {\varepsilon_{r 2}}=2.45 \text{ or }
\frac{\varepsilon_{r 1}} {\varepsilon_{r 2}}=0.408
$$
$$
\frac{\varepsilon_{r 1}} {\varepsilon_{r 2}}=6.12 \text{ or }
\frac{\varepsilon_{r 1}} {\varepsilon_{r 2}}=0.163
$$
$$
\frac{\varepsilon_{r 1}} {\varepsilon_{r 2}}=3.68 \text{ or }
\frac{\varepsilon_{r 1}} {\varepsilon_{r 2}}=0.269
$$
$$
\frac{\varepsilon_{r 1}} {\varepsilon_{r 2}}=2.71 \text{ or }
\frac{\varepsilon_{r 1}} {\varepsilon_{r 2}}=0.369
$$
$$
\frac{\varepsilon_{r 1}} {\varepsilon_{r 2}}=4.67 \text{ or }
\frac{\varepsilon_{r 1}} {\varepsilon_{r 2}}=0.214
$$
$$
\frac{\varepsilon_{r 1}} {\varepsilon_{r 2}}=1.89 \text{ or }
\frac{\varepsilon_{r 1}} {\varepsilon_{r 2}}=0.530
$$
$$
\frac{\varepsilon_{r 1}} {\varepsilon_{r 2}}=5.89 \text{ or }
\frac{\varepsilon_{r 1}} {\varepsilon_{r 2}}=0.170
$$
$$
\frac{\varepsilon_{r 1}} {\varepsilon_{r 2}}=5.23 \text{ or }
\frac{\varepsilon_{r 1}} {\varepsilon_{r 2}}=0.191
$$ | $$
\frac{\varepsilon_{r 1}} {\varepsilon_{r 2}}=3.68 \text{ or }
\frac{\varepsilon_{r 1}} {\varepsilon_{r 2}}=0.269
$$ | general_qa | 718 |
The following is a multiple choice question (with answers).
===Question
____ is the specific manifestation of zonal laws on the surface of the Earth, which appears as the natural geographic elements or natural complexes generally extending along the latitude lines, arranged regularly according to latitude, resulting in a north-south differentiation.
===Choices
Horizontal patterning
Longitudinal nature
Climatic synchronization
Latitudinal grading
Latitudinal symmetry
Equatorial disparity
Meridional difference
Vertical zoning
Polar synchronization
Zonal nature | Zonal nature | general_qa | 107 |
The following is a multiple choice question (with answers).
===Question
A truck, in order to overtake a vehicle, is moving into the left contraflow lane at 90km/h when it suddenly notices a car coming head-on 80m ahead of it Assume that the car is traveling at 65km/h and also notices the truck overtaking it - Given that the reaction time of both drivers is 0.70s (i.e., the time elapsed between the drivers' discovery of the dangerous situation and the time when they actually braked), and that the magnitude of their acceleration after braking is 7.5 $. \mathrm{m} / \mathrm{s}^{2}$ , will the two cars collide? If yes, what will be the speed of the truck at the moment of collision?
===Choices
Yes, $70 km/h$
Yes, $40 km/h$
No
Yes, $80 km/h$
Yes, $46 km/h$
Yes, $55 km/h$
Yes, $60 km/h$ | Yes, $46 km/h$ | general_qa | 221 |
The following is a multiple choice question (with answers).
===Question
A solution of $H_2C_2O_4$ requires 200ml of NaOH for complete neutralization. The pH of the solution when 120ml of NaOH is added is: $($Given $: Ka_1 = 10^{-4}$ and $Ka_2 = 10^{-7}$ for $H_2C_2O_4) [\log 2=0.30]$
===Choices
5.8
5.3
6.4
5.4
5.9
3.4
5.7
6.7
4.6
5.6 | 6.4 | general_qa | 151 |
The following is a multiple choice question (with answers).
===Question
On which day, month, and year was the Indira Gandhi Planetarium, also known as the Patna Planetarium, located in Patna, Bihar, India, opened to the public?
===Choices
1 April 1998
1 April 1994
1 April 1992
1 April 1996
1 April 1990
1 April 1995
1 April 1997
1 April 1993
1 April 1999
1 April 1991 | 1 April 1993 | general_qa | 135 |
The following is a multiple choice question (with answers).
===Question
By whom was Count Botho zu Eulenburg preceded as Minister President of Prussia?
===Choices
Otto von Manteuffel
Albrecht von Roon
Friedrich von Preen
Leo von Caprivi
Otto von Bismarck | Leo von Caprivi | general_qa | 70 |
The following is a multiple choice question (with answers).
===Question
The current consumption tax, customs duty, and value-added tax in our country belong to ().
===Choices
Property Tax
Tax excluded in price
Excise Tax
Capital Gains Tax
Income Tax
Tax included in price
Corporate Tax
Sales Tax
Commodity Taxation
Service Tax | Commodity Taxation | general_qa | 74 |
The following is a multiple choice question (with answers).
===Question
Expand the function $f(z) = \frac{1}{z^2 + 1}$ into series at $z = -1$ and $z = \infty$ respectively.
===Choices
$$
\sum_{n=0}^{\infty} \frac{( -\mathrm{i} )^{n}} {( z+\mathrm{i} )^{n+3}}
$$
$$
\sum_{n=0}^{\infty} \left(-1 \right)^{n} \frac{z^2} {z^{2n+2}}.
$$
$$
\sum_{n=0}^{\infty} \frac{( 2\mathrm{i} )^{n+1}} {( z+\mathrm{i} )^{n+3}}
$$
$$
\sum_{n=0}^{\infty} \left(-1 \right)^{n+1} \frac{1} {z^{2 \left( n+1 \right)+1}}.
$$
$$
\sum_{n=0}^{\infty} \frac{( 2\mathrm{i} )^{n+1}} {( z+\mathrm{i} )^{n+4}}
$$
$$
\sum_{n=0}^{\infty} \left(-1 \right)^{n} \frac{1} {z^{2n+3}}.
$$
$$
\sum_{n=0}^{\infty} \frac{( -2 )^{n}} {( z-\mathrm{i} )^{n+2}}
$$
$$
\sum_{n=0}^{\infty} \left(-1 \right)^{n} \frac{1} {z^{n+2}}.
$$
$$
\sum_{n=0}^{\infty} \frac{( \mathrm{i} )^{n}} {( z-\mathrm{i} )^{n+3}}
$$
$$
\sum_{n=0}^{\infty} \frac{1} {z^{2n+2}}.
$$
$$
\sum_{n=0}^{\infty} \frac{( 2 \mathrm{i} )^{n}} {( z+\mathrm{i} )^{n+2}}
$$
$$
\sum_{n=0}^{\infty} \left(-1 \right)^{n} \frac{1} {z^{2 \left( n+1 \right)}}.
$$
$$
\sum_{n=0}^{\infty} \frac{1} {( z+2\mathrm{i} )^{n+2}}
$$
$$
\sum_{n=0}^{\infty} \left(-1 \right)^{n+1} \frac{z} {z^{2n+3}}.
$$
$$
\sum_{n=0}^{\infty} \frac{( -\mathrm{i} )^{n+1}} {( z+2\mathrm{i} )^{n+2}}
$$
$$
\sum_{n=0}^{\infty} \left(-1 \right)^{n+1} \frac{1} {z^{2n}}.
$$
$$
\sum_{n=0}^{\infty} \frac{( -2\mathrm{i} )^{n}} {( z+\mathrm{i} )^{n+2}}
$$
$$
\sum_{n=0}^{\infty} \left(-1 \right)^{n-1} \frac{1} {z^{2 \left( n \right)}}.
$$
$$
\sum_{n=0}^{\infty} \frac{\mathrm{i}^{n}} {( z+2\mathrm{i} )^{n+2}}
$$
$$
\sum_{n=0}^{\infty} \frac{1} {z^{2n+4}}.
$$ | $$
\sum_{n=0}^{\infty} \frac{( 2 \mathrm{i} )^{n}} {( z+\mathrm{i} )^{n+2}}
$$
$$
\sum_{n=0}^{\infty} \left(-1 \right)^{n} \frac{1} {z^{2 \left( n+1 \right)}}.
$$ | general_qa | 859 |
The following is a multiple choice question (with answers).
===Question
Clausthalite is a mineral composed of lead selenide (PbSe). The mineral adopts a NaCl-type structure. The density of PbSe at 25 °C is $8. 2 7 \, \mathrm{g / c m}^{3}.$ What is the edge length of the PbSe unit cell?
===Choices
$5.78\AA$
$6.50\AA$
$5.90\AA$
$5.85\AA$
$6.13\AA$
$6.30\AA$
$6.40\AA$
$6.05\AA$
$6.25\AA$
$5.72\AA$ | $6.13\AA$ | general_qa | 169 |
The following is a multiple choice question (with answers).
===Question
A cylindrical vessel of a very large cross-sectional area is containing two immiscible liquids of density $\rho_1=600 kg/m^3$ and $\rho_2=1200 kg/m^3$ as shown in the figure.A small hole having cross-sectional area $5 cm^2$ is made in right side vertical wall as shown. Take atmospheric pressure as $p_0=10^5 N/m^2, g=9.8m/s^2$. For this situation, which of following is correct? (Take cross-sectional area of the cylindrical vessel as $1000 cm^2$. Neglect the mass of the vessel)
===Choices
If the surface on which the vessel is placed is smooth, then no force is needed to maintain its static equilibrium.
If the surface on which the vessel is placed is rough ($\mu=0.04$), then the maximum force (horizontal) needed to be applied on the vessel to maintain its static equilibrium is 20.2 N.
If the surface on which the vessel is placed is rough $(\mu=0.04)$, then the minimum force (horizontal) needed to be applied on the vessel to maintains its static equilibrium is zero.
If the surface on which the vessel is placed is rough ($\mu=0.04$), then the maximum force (horizontal) needed to be applied on the vessel to maintain its static equilibrium is 18.2 N.
If the surface on which the vessel is placed is smooth, then a rightward force of magnitude 2N is to be applied on the vessel to maintain its static equilibrium.
If the surface on which the vessel is placed is rough ($\mu=0.04$), then the maximum force (horizontal) needed to be applied on the vessel to maintain its static equilibrium is 20.5 N.
If the surface on which the vessel is placed is rough ($\mu=0.04$), then the maximum force (horizontal) needed to be applied on the vessel to maintain its static equilibrium is 19.8 N.
If the surface on which the vessel is placed is rough ($\mu=0.04$), then the maximum force (horizontal) needed to be applied on the vessel to maintain its static equilibrium is 21.0 N.
If the surface on which the vessel is placed is rough ($\mu=0.04$), then the maximum force (horizontal) needed to be applied on the vessel to maintain its static equilibrium is 18.9 N.
If the surface on which the vessel is placed is rough ($\mu=0.04$), then the maximum force (horizontal) needed to be applied on the vessel to maintain its static equilibrium is 19.0 N. | If the surface on which the vessel is placed is rough ($\mu=0.04$), then the maximum force (horizontal) needed to be applied on the vessel to maintain its static equilibrium is 19.8 N. | general_qa | 594 |
The following is a multiple choice question (with answers).
===Question
The following logical calculus, what is correct?
===Choices
1+1=2
2*2=1
2+3=7
2-2=2
0+0=1
1+1=1
1·B = 1
1+B=2
3-1=3
1/1=2 | 1+1=1 | general_qa | 85 |
The following is a multiple choice question (with answers).
===Question
In a three-phase balanced load Y-Δ connection system, the phase current is known to be 10A and the phase voltage is 400V. What is the magnitude of the line current?
===Choices
23.1A
19.05A
16.89A
15.49A
18.76A
17.32A
20A
14.14A
10A
25A | 17.32A | general_qa | 119 |
The following is a multiple choice question (with answers).
===Question
What is the treatment for patients with symptoms of "dizziness and headache, chest tightness, nausea and vomiting, greasy white tongue coating, and stringy and slippery pulse"?
===Choices
Xuefu Zhuyu Jiedu Jiaonang
Baixia Baizhu Jiaogulan Tang
Baihe Gujin Tanshen Wan
Huayu Baizhi Tianma Lu
Qingxin Lianzi Yinzhong
Baixia Baizhu Tianma Tang
Huoxue Anxue Yinpian Jiaonang
Qingwei Dahuang Fuzi Tang
Qingwei Jianguo Sanjie Wan
Baizhu Shaoshen Mifang Lu | Baixia Baizhu Tianma Tang | general_qa | 164 |
The following is a multiple choice question (with answers).
===Question
Which cells in plants perform specific functions but undergo programmed cell death?
===Choices
Tracheary elements, tracheids, and fibers
Thick-walled parenchymatous cells, fibers, sieve elements
Searching for guard cells, sieve cells, and collenchyma cells.
Sieve elements, sieve cells, and thick-walled parenchyma cells
Thickened-corner tissue cells, sieve cells, vessel elements
Sieve elements, fibers, and vessel elements
Thick-walled parenchymal cells, fibers, and vessel elements
Thick-walled parenchyma cells, sieve elements, and tracheids
Thick-walled parenchyma cells, tracheids, and fibers
Sieve cells, tracheids, vessel elements | Tracheary elements, tracheids, and fibers | general_qa | 174 |
The following is a multiple choice question (with answers).
===Question
Who played Creon in Antigone at the Epidaurus Festival 2022?
===Choices
Vasilis Bisbikis played Creon in Antigone at the Epidaurus Festival in 2022.
Vasilis Biskikas played Creon in Antigone at the Epidaurus Festival in 2022.
Vasilis Diamantopoulos played Creon in Antigone at the Epidaurus Festival in 2022.
Vasilis Papavasiliou played Creon in Antigone at the Epidaurus Festival in 2022.
Vasilis Bisbikis played Creon in Antigone at the Epidaurus Festival in 2021.
Vasilis Kapsis played Creon in Antigone at the Epidaurus Festival in 2022.
Vasilis Biskikos played Creon in Antigone at the Epidaurus Festival in 2022.
Vasilis Livanos played Creon in Antigone at the Epidaurus Festival in 2022.
Vasilis Biskikis played Creon in Antigone at the Epidaurus Festival in 2022.
Vasilis Bisbikis played Creon in Antigone at the Epidaurus Festival in 2023. | Vasilis Bisbikis played Creon in Antigone at the Epidaurus Festival in 2022. | general_qa | 295 |
The following is a multiple choice question (with answers).
===Question
Who said, 'Gunpowder blew the chivalry to atoms, the compass opened up the world market and established colonies, and the printing press became the tool of the Reformation, in general, the means of the scientific renaissance, the most powerful lever for creating the necessary prerequisites for mental development?'
===Choices
Deng Xiaoping
Engels
Marx
Mao Zedong | Marx | general_qa | 95 |
The following is a multiple choice question (with answers).
===Question
Who is considered the founder of the concept of the paradigm in the philosophy of science within the history and philosophy of science?
===Choices
Imre Lakatos
Thomas Kuhn
Paul Feyerabend
Karl Popper | Thomas Kuhn | general_qa | 60 |
The following is a multiple choice question (with answers).
===Question
Arrange in sequence the following E-Journal Consortia in India according to their year of establishment :
(a)National Knowledge Resource Consortium
(b)IIM Library Consortium
(c)Consortium for e-Resources in Agriculture
(d)INDEST-AICTE Consortium
===Choices
(b),(c),(d),(a)
(c),(a),(d),(b)
(c),(b),(a),(d)
(c),(d),(a),(b)
(a),(c),(b),(d)
(d),(a),(b),(c)
(d),(b),(a),(c)
(d),(c),(b),(a)
(b),(d),(c),(a)
(a),(d),(b),(c) | (b),(d),(c),(a) | general_qa | 151 |
The following is a multiple choice question (with answers).
===Question
To check the solids content in crude what type of tests can be done?
===Choices
LEI particle analysis method
AAPG test equipment
API fluid loss test equipment
SAE boiling point test
SPE test equipment
MSME test equipment
IADC thermal degradation test
ASTM density test equipment
GPA viscosity control test
ISO pressure drop test | API fluid loss test equipment | general_qa | 87 |
The following is a multiple choice question (with answers).
===Question
What happens when the potassium ion equilibrium potential is reached?
===Choices
The flow of potassium ions is driven solely by active transport mechanisms.
The voltage gradient across the cell membrane is zero.
The sodium ions outnumber potassium ions both inside and outside the cell.
The concentration of K ions outside the cell membrane is greater than the concentration of K ions inside the cell membrane.
The potassium ions (K⁺) on the inner side of the cell membrane no longer flow outward.
The potassium ion concentration gradient across the cell membrane is zero.
The potassium ions move in and out of the cell at an unequal rate.
The potassium ions stop contributing to the cell membrane potential entirely.
The equilibrium potential results in potassium ions accumulating inside the cell.
The potassium ion concentration outside the cell equals the concentration inside the cell. | The concentration of K ions outside the cell membrane is greater than the concentration of K ions inside the cell membrane. | general_qa | 171 |
The following is a multiple choice question (with answers).
===Question
During the volcanic eruption disaster on the Indonesian island of Sumatra, a person was trapped on an island where, apart from an ample supply of drinkable water, it was very difficult to find edible food. Fortunately, he had 3 kilograms of grain and a 1-kilogram female duck with him. To maximize his survival time while awaiting rescue, what should he do?
===Choices
Cook the grains immediately and avoid relying on the duck.
First eat the mother duck, then eat the grains.
Feed the ducks with 3 kilograms of grain, eat the duck eggs, and then eat the duck.
Eat 2 kilograms of grain, use 1 kilogram of grain to feed ducks, eat duck eggs, and then eat the duck.
Feed all the grains to the duck and eat only the duck eggs.
Eat the grains gradually and never eat the mother duck.
Keep the grains for yourself and release the mother duck into the wild.
Feed 1 kilogram of grain to the duck, save the rest, and live on duck eggs.
Eat the food first, then eat the mother duck.
Trade the duck for another source of food and consume the grains sparingly. | First eat the mother duck, then eat the grains. | general_qa | 250 |
The following is a multiple choice question (with answers).
===Question
"Who directed 'To Live'?"
===Choices
Jia Zhangke
Chen Kaige
Lou Ye
Zhang Ziyi
Yimou Zhang
John Woo
Tsui Hark
Ang Lee
Feng Xiaogang
Wong Kar-wai | Yimou Zhang | general_qa | 71 |
The following is a multiple choice question (with answers).
===Question
What is the basic structural unit of wood?
===Choices
foliage
cell wall
mineral
gum
molecule
lignin
xylem
hemicellulose
cellulose
fiber | fiber | general_qa | 60 |
The following is a multiple choice question (with answers).
===Question
The earliest monetary policy tool owned by the central bank and now a major monetary policy tool is ().
===Choices
inflation targeting
quantitative easing
open market operations
currency swap
deposit reserve ratio
credit controls
interbank lending
interest rate targeting
foreign exchange intervention
rediscount | rediscount | general_qa | 73 |
The following is a multiple choice question (with answers).
===Question
Find the number of positive integers $n$ such that $1 \le n \le 1000$ and $\left\lfloor \dfrac{2^n}{73} \right\rfloor$ is even.
===Choices
662
670
669
666
663
667
661
665
668
664 | 667 | general_qa | 105 |
The following is a multiple choice question (with answers).
===Question
What is the relationship between the susceptance of an overhead transmission line and the geometric mean distance between the conductors?
===Choices
Changing the geometric mean distance between conductors can significantly alter the line susceptance of the circuit.
The lesser the geometric mean distance, the larger the electrical susceptance.
The greater the geometric mean distance, the similar the electrical susceptance.
The greater the geometric mean distance, the larger the electrical susceptance.
The larger the geometric mean distance, the smaller the electrical susceptance.
The capacitance of transmission lines is unrelated to the geometric mean distance.
The lesser the geometric mean distance, the lesser the electrical susceptance.
The geometric mean distance slightly affects the electrical susceptance.
The larger the geometric mean distance, the diminished the electrical susceptance.
The geometric mean distance indirectly affects the electrical susceptance. | The larger the geometric mean distance, the smaller the electrical susceptance. | general_qa | 179 |
The following is a multiple choice question (with answers).
===Question
Which of the following options is considered a medical accident? Consider the following scenarios:
I. Amniotic fluid embolism
II. Drug allergy
III. Organ adhesion at surgical site
IV. Hospital-acquired infection
Select the correct combination.
===Choices
I and II
II and IV
I and III
I and IV
IV
II
II and III
III
III and IV
I | I | general_qa | 100 |
The following is a multiple choice question (with answers).
===Question
The maximum reaction force on the skewed plate bridge occurs at ( ).
===Choices
At the load application point
At the bridge axis
Near the vertical supports
Along the longest edge
Close to the support ends
Near the obtuse angle
Close to the central hinge
Near the horizontal joints
At the mid-span of the bridge
Near the acute angle | Near the obtuse angle | general_qa | 86 |
The following is a multiple choice question (with answers).
===Question
Use the example below to answer the question that follows.
The second measure of the above example uses which rhythmic device?
X:1
T:Untitled score
C:Composer / arranger
%%score { 1 | 2 }
L:1/8
M:6/8
K:C
V:1 treble nm="Piano" snm="Pno."
%%MIDI program 0
%%MIDI control 7 100
%%MIDI control 10 64
V:2 bass
%%MIDI channel 1
%%MIDI program 0
%%MIDI control 7 100
%%MIDI control 10 64
L:1/4
V:1
D_EF =E^FG | ^F=FF FFF |] %2
V:2
[_B,,F,] _A,/ [B,,=A,] ^F,/ | B,, ^F,/ F,/ A, |] %2
===Choices
Hemiola
Anacrusis
Suspension
Augmentation | Hemiola | general_qa | 248 |
The following is a multiple choice question (with answers).
===Question
The condition for the validity of the length contraction formula $l=l_{0} \, \sqrt{1-v^{2} / c^{2}}$ is ___.
===Choices
$v$ must be zero for all systems
$l_{0}$ could vary with velocity
$l_{0}$ might change with observer
$c$ should stand for constant speed
$l_{0}$ must be the inherent length
$l$ should equal zero when $v=c$
$v$ must be less than or equal to $c$
$v$ must be greater than $c$
$c$ represents the maximum velocity
$l_{0}$ should be the initial speed | $l_{0}$ must be the inherent length | general_qa | 144 |
The following is a multiple choice question (with answers).
===Question
For a one-dimensional monoatomic lattice, under the simple harmonic approximation, consider that each atom interacts with all other atoms. Calculate the dispersion relation of the lattice wave______.
===Choices
$$ M \omega^{2}=\sum_{m=1}^{\infty} \beta_{m} \left( e^{i q m a}+e^{-i q m a}-1 \right) $$
$$ - M \omega^{2}=\sum_{m=1}^{\infty} \beta_{m} \left( e^{i q m a}+e^{-i q m a}-2 \right) $$
$$ - M \omega^{2}=\sum_{m=1}^{\infty} \beta_{m} \left( e^{i q m a}+e^{-i q m a}-12 \right) $$
$$ M \omega^{2}=\sum_{m=1}^{\infty} \beta_{m} \left( e^{i q m a}+e^{-i q m a}-2 \right) $$
$$ M \omega^{2}=\sum_{m=1}^{\infty} \beta_{m} \left( e^{i q m a}+e^{-i q m a}-7 \right) $$
$$ - M \omega^{2}=\sum_{m=1}^{\infty} \beta_{m} \left( e^{i q m a}+e^{-i q m a}-11 \right) $$
$$ M \omega^{2}=\sum_{m=1}^{\infty} \beta_{m} \left( e^{i q m a}+e^{-i q m a} \right) $$
$$ - M \omega^{2}=\sum_{m=1}^{\infty} \beta_{m} \left( e^{i q m a}+e^{-i q m a}-1 \right) $$
$$ - M \omega^{2}=\sum_{m=1}^{\infty} \beta_{m} \left( e^{i q m a}-2e^{-i q m a}-1 \right) $$
$$ - M \omega^{2}=\sum_{m=1}^{\infty} \beta_{m} \left( e^{i q m a}+e^{-i q m a} \right) $$ | $$ - M \omega^{2}=\sum_{m=1}^{\infty} \beta_{m} \left( e^{i q m a}+e^{-i q m a}-2 \right) $$ | general_qa | 537 |
The following is a multiple choice question (with answers).
===Question
In which of the following conditions does a diminished first heart sound not occur?
===Choices
Aortic regurgitation
Myocardial infarction
Myocarditis
Mitral stenosis
Mitral regurgitation
Aortic stenosis
Hypertrophic cardiomyopathy
Tricuspid regurgitation
Pulmonary hypertension
Cardiomyopathy | Mitral stenosis | general_qa | 91 |
The following is a multiple choice question (with answers).
===Question
To whom does the Chargé d'Affaires, appointed in a foreign country, have to report?
===Choices
Ministry of External Affairs
None of these
Ministry of State Affairs
Ministry of Foreign Affairs
Head of government
Foreign Office
Head of State | Foreign Office | general_qa | 70 |
The following is a multiple choice question (with answers).
===Question
Which of the following statements about Yazidism is incorrect? You need to include all incorrect options.
I. The Sufi mystic Sheikh 'Adi journeys to the Kurdish mountains in Iraq. His followers eventually call themselves "Yazidis."
II. Yazidis believe in the existence of one God named Xwedê. He is a benevolent, all-forgiving, and merciful deity, as well as the creator of the universe.
III. Sheikh Hasan, the grandson of Sheikh 'Adi's nephew, expanded Yazidi influence throughout the Muslim world during the 15th century CE.
IV. 'Adi's followers turned the qibla, the direction in which a Muslim prays, away from Mecca and towards Lalish. This was the first step in the development of the Yazidi religion away from Islam, and Sheikh 'Adi's followers began calling themselves 'Yazidis.'
V. The Yazidis were first recorded historically by Muslim historian 'Abd al-Karim al-Sam'ani (d. 1167 CE) as a community in Iraq during the 12th century CE. He wrote of a community called al-Yazidiyya in the region of Hulwan in northern Mosul, Iraq.
VI. Yazidism has had a rich history of syncretic development. For thousands of years, Yazidism incorporated elements of Zoroastrianism, Manichaeism, Gnosticism, Christianity, and Islam, all of which coalesced from 1144 CE to the 16th century CE.
===Choices
I,II and IV
IV and VI
I and VI
I and III
II and VI
III and V
III and VI
II and V
only I
IV and V | III and VI | general_qa | 385 |
The following is a multiple choice question (with answers).
===Question
The sporophyte flora is indicative of vegetation evolution, and what vegetation assemblages are indicative of the warm period?
===Choices
Coniferous forests
Tropical jungles
Savanna grasslands
Desert shrublands
Arctic tundra
Coastal mangro
Pine woodlands
Temperate grasslands
Broadleaf forests
Alpine meadows | Broadleaf forests | general_qa | 92 |
The following is a multiple choice question (with answers).
===Question
In steady-state heat conduction through a double-layered flat wall, if the thickness of each layer is the same, $\Delta t_{1} < \Delta t_{2}$ , which of the following describes the corresponding thermal conductivity relationship?
===Choices
λ1<λ1
λ1=λ1
λ2>λ1
λ1<λ2
λ2=λ1
λ2<λ2
λ2<λ1
λ1=λ2
λ1>λ2 | λ1>λ2 | general_qa | 119 |
The following is a multiple choice question (with answers).
===Question
Research the blood flow in several parts of the human circulatory system. Which of the following locations has the highest blood flow per minute?
===Choices
The renal artery as it branches off from the abdominal aorta.
The brachial artery located in the upper arm.
The right pulmonary artery at the point where it branches into the left and right pulmonary arteries.
The left coronary artery that just branches off from the aorta
The left leg artery at the point where the abdominal aorta branches into the left and right leg arteries.
The left subclavian vein before it joins the superior vena cava.
The hepatic vein before entering the inferior vena cava
The left jugular vein as it drains blood from the head.
The superior mesenteric artery as it supplies blood to the intestines.
The ascending aorta just after it leaves the left ventricle of the heart. | The right pulmonary artery at the point where it branches into the left and right pulmonary arteries. | general_qa | 194 |
The following is a multiple choice question (with answers).
===Question
At the interface between air $( \mu_{\mathrm{r}} = 1 )$ and soft iron $( \mu_{\mathrm{r}} = 7000 )$, the angle between the magnetic flux density in the soft iron and the normal to the interface is $85^{\circ}$. What is the angle between the magnetic flux density in the air and the normal to the interface?
===Choices
$$
30^{\prime}
$$
$$
60^{\prime}
$$
$$
70^{\prime}
$$
$$
25^{\prime}
$$
$$
20^{\prime}
$$
$$
45^{\prime}
$$
$$
90^{\prime}
$$
$$
15^{\prime}
$$
$$
5. 6^{\prime}
$$
$$
10^{\prime}
$$ | $$
5. 6^{\prime}
$$ | general_qa | 202 |
The following is a multiple choice question (with answers).
===Question
During a department managers' joint meeting at a company, discussions focused on production capacity and production planning. Among the following viewpoints expressed by some participants, which are correct ( ):I. Whether all machinery and equipment used for production are in good condition and fully utilized is an important factor in determining production capacityII. Continuously improving existing work hour quota standards through investigation, measurement, and analysis of operation times will help optimize production capacity and balance capacity between processesIII. Production capacity is determined by the overall balance of various links, and the decisive factor for each link is product variety variability. The capacity of each production link varies according to different processing methods for different product varietiesIV. Workers' attendance rate, technical level, proficiency, work attitude, motivation, work hour quotas, and the rationality of production organization plans are also main factors affecting enterprise production capacityV. Production capacity is the sole basis for developing production plans; without determining production capacity, it is impossible to develop production plans that conform to objective laws
===Choices
II,III,IV,V
I,II,III,Ⅳ
II,III,V,I
II,I,V,III
IV,I,II,V
I,IV,V,II
I,II,Ⅳ and Ⅴ
I,III,IV,V
I,II,III,V
III,IV,V,I | I,II,III,Ⅳ | general_qa | 287 |
The following is a multiple choice question (with answers).
===Question
The composition of the equilibrium mixture $\left ( Cl_{2}\rightleftharpoons 2Cl \right )$ which is attained at $1200^{\circ}C$ is determined by measuring the rate of effusion through a pin hole. It is observed that the given mixture effuses 1.5 times as fast as an unknown gas 'X' effuses under the same conditions. Calculate the fraction of chlorine molecules dissociated into atoms.[Molecular Mass of unknown gas=90]
===Choices
0.58
0.64
0.14
0.4
0.54
0.62
0.68
0.75
0.52
0.8 | 0.14 | general_qa | 169 |
The following is a multiple choice question (with answers).
===Question
In ancient times, what was Wular Lake also known as?
===Choices
Mahapadmasara Sarovar Sarovar
Mahapadmasara Sarovar Sar
Mahapadmasara
Mahapadmasara Sarovar Sarovar Sar
Mahapadmasara Sarovar Lake
Mahapadmasara Sarovar
Mahapadmasara Sar
Mahapadmasara Lake
Mahapadmasar
Mahapadmasara Sarovar Sarovar Lake | Mahapadmasar | general_qa | 122 |
The following is a multiple choice question (with answers).
===Question
The average windspeed over the region of the Antarctic Circumpolar Current is about \( 10 \, \text{m/s} \). Using this information:
a. Estimate the mean wind-stress (\( \tau \)) at the ocean-atmosphere interface, given \( C_D = 10^{-3} \), \( \rho_a = 1.2 \, \text{kg/m}^3 \).
b. If a unidirectional wind blows over an initially motionless water column of 10 m thickness, calculate the flow velocity of this layer after 3 hours. Assume the water density \( \rho = 1025 \, \text{kg/m}^3 \).
===Choices
\( \tau = 0.12 \, \text{Pa}, u = 0.14 \, \text{m/s} \)
\( \tau = 0.15 \, \text{Pa}, u = 0.13 \, \text{m/s} \)
\( \tau = 0.14 \, \text{Pa}, u = 0.15 \, \text{m/s} \)
\( \tau = 0.12 \, \text{Pa}, u = 0.13 \, \text{m/s} \)
\( \tau = 0.06 \, \text{Pa}, u = 0.12 \, \text{m/s} \)
\( \tau = 0.08 \, \text{Pa}, u = 0.11 \, \text{m/s} \)
\( \tau = 0.16 \, \text{Pa}, u = 0.14 \, \text{m/s} \)
\( \tau = 0.10 \, \text{Pa}, u = 0.12 \, \text{m/s} \)
\( \tau = 0.20 \, \text{Pa}, u = 0.13 \, \text{m/s} \)
\( \tau = 0.11 \, \text{Pa}, u = 0.12 \, \text{m/s} \) | \( \tau = 0.12 \, \text{Pa}, u = 0.13 \, \text{m/s} \) | general_qa | 497 |
The following is a multiple choice question (with answers).
===Question
Transient equilibrium occurs when the half-life of the parent nuclide is how many times that of the daughter nuclide
===Choices
50
5000
2
1
2000
500
10000
5
20000
1000 | 50 | general_qa | 79 |
The following is a multiple choice question (with answers).
===Question
$10\ lt$. box contains $O_{3}$ and $O_{2}$ at equilibrium at $2000\ K$. The $\triangle G^{\circ} = -534.52\ kJ$ at $8$ atm equilibrium pressure. The following equilibrium is present in the container$2O_{3}(g)\rightleftharpoons 3O_{2}(g)$. The partial pressure of $O_{3}$ will be : $(ln\ 10 = 2.3, R = 8.3\ Jmol^{-1} K^{-1})$.
===Choices
$$6.48 \times 10^{-6}$$
$$7.56 \times 10^{-6}$$
$$9.71\times 10^{-2}$$
$$22.62\times 10^{-7}$$
$$2.43 \times 10^{-6}$$
$$7.21 \times 10^{-6}$$
$$9.71\times 10^{-6}$$
$$3.71 \times 10^{-6}$$
$$4.87 \times 10^{-6}$$
$$8\times 10^{-6}$$ | $$8\times 10^{-6}$$ | general_qa | 294 |
The following is a multiple choice question (with answers).
===Question
Which of the following organisms would exhibit a kidney without glomeruli?
===Choices
Freshwater Amphibians
Marine Amphibians
Ocean Insects
Marine Fish
Marine Reptiles
Ocean Mammals
Freshwater Fish
Freshwater Reptiles
Freshwater Birds | Marine Fish | general_qa | 75 |
The following is a multiple choice question (with answers).
===Question
What is the production capacity comprehensively shown by the mutual restriction and coordination of the four major soil fertility factors of soil, water, fertilizer, gas and heat?
===Choices
Soil Compatibility
Moisture Retention
Soil Fertility
Fertilizer Efficiency
Soil Capacity
Temperature Stability
Heat Regulation
Water Permeability
Crop Yield
Gas Circulation | Soil Fertility | general_qa | 90 |
The following is a multiple choice question (with answers).
===Question
Assuming that the velocity distribution within the flat plate turbulent boundary layer can be described using a two-layer model, that is, the velocity is a linear distribution in the laminar sublayer; while in the turbulent core, the velocity follows the $1/7$th power law distribution, try to derive the expression for the thickness of the laminar sublayer.
===Choices
$$
= 6 4. 2 R e_{x}^{-5 / 9}
$$
$$
= 1 8. 9 R e_{x}^{-2 / 5}
$$
$$
= 5 7. 6 R e_{x}^{-3 / 7}
$$
$$
= 4 9. 0 R e_{x}^{-6 / 13}
$$
$$
= 8 3. 5 R e_{x}^{-7 / 8}
$$
$$
= 7 2. 4 R e_{x}^{-9 / 1 0}
$$
$$
= 3 5. 7 R e_{x}^{-8 / 11}
$$
$$
= 9 1. 3 R e_{x}^{-1 / 6}
$$
$$
= 2 6. 8 R e_{x}^{-4 / 3}
$$
$$
= 0 2. 1 R e_{x}^{-7 / 12}
$$ | $$
= 7 2. 4 R e_{x}^{-9 / 1 0}
$$ | general_qa | 324 |
The following is a multiple choice question (with answers).
===Question
Estimate the electrical conductivity at 135°C of silicon that has been doped with $1 0^{2 4} \; m^{-3}$ 0f aluminum atoms.
===Choices
$$
1 3 0 0 \ ( \Omega\! \!-\! \mathrm{m} )^{-1}
$$
$$
1 0 0 5 \ ( \Omega\! \!-\! \mathrm{m} )^{-1}
$$
$$
1 2 3 0 \ ( \Omega\! \!-\! \mathrm{m} )^{-1}
$$
$$
9 8 7 0 \ ( \Omega\! \!-\! \mathrm{m} )^{-1}
$$
$$
1 0 5 0 \ ( \Omega\! \!-\! \mathrm{m} )^{-1}
$$
$$
1 1 2 0 \ ( \Omega\! \!-\! \mathrm{m} )^{-1}
$$
$$
1 2 1 0 \ ( \Omega\! \!-\! \mathrm{m} )^{-1}
$$
$$
1 1 1 5 \ ( \Omega\! \!-\! \mathrm{m} )^{-1}
$$
$$
1 1 0 0 \ ( \Omega\! \!-\! \mathrm{m} )^{-1}
$$
$$
1 1 8 0 \ ( \Omega\! \!-\! \mathrm{m} )^{-1}
$$ | $$
1 1 2 0 \ ( \Omega\! \!-\! \mathrm{m} )^{-1}
$$ | general_qa | 356 |
The following is a multiple choice question (with answers).
===Question
Regarding the clinical significance of APTT testing, which of the following statements is correct?
===Choices
In patients with hemophilia A, APTT is often shortened.
APTT is reduced by decreased anticoagulant substances in the blood.
APTT is prolonged with increased anticoagulant substances in the blood.
APTT is shortened in cases of fibrinogen or prothrombin deficiency.
APTT results extending more than 11 seconds beyond the normal control is considered prolonged.
APTT is shortened with increased clotting substances in blood.
APTT is prolonged in thrombotic diseases.
APTT is shortened in conditions of excessive
APTT results lessening more than 10 seconds beyond the normal control is considered prolonged.
APTT is prolonged by decreased clotting factors in blood. | APTT is prolonged with increased anticoagulant substances in the blood. | general_qa | 176 |
The following is a multiple choice question (with answers).
===Question
What is the energy of a 1 µm photon?
===Choices
1.11 eV
0.5 eV
2.4 eV
1 eV
12.4 eV
1.24 eV
0.62 eV
2.48 eV
3.72 eV
3.14 eV | 1.24 eV | general_qa | 93 |
The following is a multiple choice question (with answers).
===Question
What does the term "combatant privilege" refer to in military law?
===Choices
The ability of soldiers to act without accountability in military conflicts.
The right of combatants to be exempt from captivity during lawful wartime activities.
The authorization of soldiers to carry weapons in conflict without legal repercussions.
The entitlement of combatants to be protected in hostilities without being held criminally responsible for lawful acts of war.
The right of combatants to engage in hostilities without being held criminally responsible for lawful acts of war.
The authorization of soldiers to conduct operations without facing criminal charges for lawful acts of war.
The privilege of military individuals to participate in combat without criminal charges.
The privilege of combatants to participate in warfare without criminal liability for accepted acts of war.
The entitlement of military personnel to engage in battles without facing legal consequences.
The immunity of combatants from being prosecuted for legally defined acts of warfare. | The right of combatants to engage in hostilities without being held criminally responsible for lawful acts of war. | general_qa | 194 |
The following is a multiple choice question (with answers).
===Question
For long-distance oil and gas pipelines, what is the most important maintenance task?
===Choices
Environmental monitoring
Antifreeze
Emergency drills
Endpoint security
Leak Prevention
Anticorrosion
Engine maintenance
Fire Prevention
Electrical grounding
Equipment inspection | Anticorrosion | general_qa | 68 |
The following is a multiple choice question (with answers).
===Question
The concept of document guarantee rate: ().
===Choices
It signifies the level of funding allocated to document preservation efforts.
It assesses the frequency of document usage by library patrons.
It reflects the diversity of topics covered in the library's document collection.
It represents the ratio of new documents added to the library's collection annually.
It tracks the number of documents that are lost or damaged over time.
It refers to the indicator of the extent to which the library's collection of documents meets the needs of residents.
It evaluates the quality of the documents based on user reviews.
It measures the financial backing provided to libraries for document acquisition.
It indicates the percentage of documents that are available in digital format.
It denotes the average time taken to process new documents for the collection. | It refers to the indicator of the extent to which the library's collection of documents meets the needs of residents. | general_qa | 166 |
The following is a multiple choice question (with answers).
===Question
When did the original domestic unified book number of the People's Republic of China start to be implemented?
===Choices
1956
1951
1953
1959
1957
1954
1958
1952
1955
1950 | 1956 | general_qa | 86 |
The following is a multiple choice question (with answers).
===Question
The planes $4x-5y-2z=2,5x-4y+2z+2=0,2x+2y+8z-1=0$
===Choices
Form a sphere
Meet at a curve
Meet in a line
Form a cube
meet at a point
Form a tetrahedron
None of these
Form a cylinder
Form a cone
Form a prism | Form a prism | general_qa | 102 |
The following is a multiple choice question (with answers).
===Question
Who said, 'Any myth is to conquer and dominate natural forces with imagination and the aid of imagination, and to visualize natural forces; therefore, as these natural forces are actually dominated, myths also disappear?'
===Choices
Joseph Campbell
Jean-Paul Sartre
Sigmund Freud
Michel Foucault
Thomas Hobbes
Friedrich Nietzsche
Arthur Schopenhauer
Carl Jung
Albert Camus
Karl Heinrich Marx | Karl Heinrich Marx | general_qa | 105 |
The following is a multiple choice question (with answers).
===Question
Cough with symptoms of chest fullness and oppression, abundant white and sticky phlegm, shortness of breath and wheezing, inability to lie flat, symptoms worsen with slight exertion, aversion to wind and easy sweating, epigastric and abdominal fullness, reduced appetite, fatigue and weakness. The tongue is pale, the coating is white and greasy, and the pulse is slippery. ( ) can be used for treatment.
===Choices
Su Zi Jiang Qi Tang combined with Xiao Chai Hu Tang with modifications
Su Zi Jiang Qi Tang combined with Xiao Chai Hu Tang and modifications
Yue Bi Jia Ban Xia Tang with modifications
Su Zi Jiang Qi Tang combined with San Zi Yang Qin Tang and Xiao Chai Hu Tang with modifications
Su Zi Jiang Qi Tang combined with San Zi Yang Qin Tang without modifications
Xiao Qing Long Tang with modifications
Su Zi Jiang Qi Tang combined with Xiao Qing Long Tang with modifications
Su Zi Jiang Qi Tang combined with Xiao Chai Hu Tang and San Zi Yang Qin Tang with modifications
Su Zi Jiang Qi Tang combined with San Zi Yang Qin Tang with modifications
Wen Dan Tang combined with Gui Zhi Fu Ling Wan with modifications | Su Zi Jiang Qi Tang combined with San Zi Yang Qin Tang with modifications | general_qa | 258 |
The following is a multiple choice question (with answers).
===Question
Mr. Wang, male, 45 years old, with no previous history of heart disease. Over the past week, he has frequently experienced sudden palpitations. Physical examination: heart rate: $150bpm$, regular rhythm. After carotid sinus pressure, the heart rate suddenly slows to $5bpm$, but after exercise, it increases again to $150bpm$. Based on the above medical history, what is the most likely diagnosis for this patient?
===Choices
Premature Ventricular Contraction
Atrial Flutter
Mitral Valve Prolapse
Ventricular Fibrillation
Atrial Fibrillation
Long QT Syndrome
Paroxysmal Supraventricular Tachycardia
Hypertrophic Cardiomyopathy
Sinus Bradycardia
Sick Sinus Syndrome | Paroxysmal Supraventricular Tachycardia | general_qa | 187 |
The following is a multiple choice question (with answers).
===Question
In an advanced study of Earth sciences, researchers observed the crustal movement in a certain region of the Earth and discovered that the crust had moved 300 meters northward over 1000 years. If the average thickness of the crust is 30 kilometers, what is the average annual speed of the crust in that region and the annual rate of change in the crust's thickness?
===Choices
0.05 m/year, 0.010 m/year
0.45 m/year, 0.009 m/year
0.35 m/year, 0.005 m/year
0.1 m/year, 0.008 m/year
0.3 m/year, 0.001 m/year
0.4 m/year, 0.006 m/year
0.15 m/year, 0.004 m/year
0.2 m/year, 0.007 m/year
0.5 m/year, 0.003 m/year
0.25 m/year, 0.002 m/year | 0.3 m/year, 0.001 m/year | general_qa | 251 |
The following is a multiple choice question (with answers).
===Question
The displacement Y (in cm) produced by a simple harmonic wave is given by $Y = \frac{10}{\pi} sin (2000 \pi t - \frac{\pi x}{17})$
then the period and the maximum velocity of the particle in the medium respectively will be
===Choices
$10^{-3}$ sec and 330 metre per sec
$10^{-4}$ sec and 230 metre per sec
$10^{-3}$ sec and 200 metre per sec
$10^{-3}$ sec and 300 metre per sec
$10^{-4}$ sec and 330 metre per sec
$10^{-4}$ sec and 180 metre per sec
$10^{-4}$ sec and 300 metre per sec
$10^{-4}$ sec and 200 metre per sec
$10^{-4}$ sec and 210 metre per sec
$10^{-4}$ sec and 220 metre per sec | $10^{-3}$ sec and 200 metre per sec | general_qa | 241 |
The following is a multiple choice question (with answers).
===Question
There is currently a conical water tank system. It is known that the fluid flow through the valve is turbulent and its relationship with the water head $H$ is given by
$$
Q = 0.005 \sqrt{H}
$$
where $Q$ is the flow rate, measured in $\mathbf{m}^3 / \mathbf{s}$, and $H$ is measured in meters (m).
Assume the water head is 2 m at $t=0$. What will the water head be at $t=60$ seconds?
===Choices
$$
x=1. 4 7 6 8 m
$$
$$
x=1. 5 8 9 2 m
$$
$$
x=1. 4 8 2 3 m
$$
$$
x=1. 8 2 5 9 m
$$
$$
x=1. 6 3 0 7 m
$$
$$
x=1. 5 3 4 7 m
$$
$$
x=1. 6 9 4 5 m
$$
$$
x=1. 7 2 0 1 m
$$
$$
x=1. 7 1 8 9 m
$$
$$
x=1. 6 5 2 1 m
$$ | $$
x=1. 6 5 2 1 m
$$ | general_qa | 316 |
The following is a multiple choice question (with answers).
===Question
A homebuyer wishes to take out a mortgage of $100,000 for a 30-year period. What monthly payment is required if the interest rate is 9%?
===Choices
$950.00
$900.00
$700.00
Both 804.62$ and 804.62 dollars are correct
804.62$
$650.00
$820.00
$880.00
$750.00
804.62 dollars | Both 804.62$ and 804.62 dollars are correct | general_qa | 148 |
The following is a multiple choice question (with answers).
===Question
A uniform flow with a depth of 1mm passes over the glass roof. If the temperature is 15°, and the roof slope is 0.08, what is the flow rate per meter of the roof?
===Choices
$$
q \,=\, 0. 0 0 0 1 2 0 {\mathrm{m}}^{3} / ( {\mathrm{s}} \cdot{\mathrm{m}} )
$$
$$
q \,=\, 0. 0 0 0 2 3 0 {\mathrm{m}}^{3} / ( {\mathrm{s}} \cdot{\mathrm{m}} )
$$
$$
q \,=\, 0. 0 0 1 2 0 0 {\mathrm{m}}^{3} / ( {\mathrm{s}} \cdot{\mathrm{m}} )
$$
$$
q \,=\, 0. 0 0 0 7 1 0 {\mathrm{m}}^{3} / ( {\mathrm{s}} \cdot{\mathrm{m}} )
$$
$$
q \,=\, 0. 0 0 0 4 7 5 {\mathrm{m}}^{3} / ( {\mathrm{s}} \cdot{\mathrm{m}} )
$$
$$
q \,=\, 0. 0 0 0 0 9 5 {\mathrm{m}}^{3} / ( {\mathrm{s}} \cdot{\mathrm{m}} )
$$
$$
q \,=\, 0. 0 0 0 8 6 0 {\mathrm{m}}^{3} / ( {\mathrm{s}} \cdot{\mathrm{m}} )
$$
$$
q \,=\, 0. 0 0 0 5 0 5 {\mathrm{m}}^{3} / ( {\mathrm{s}} \cdot{\mathrm{m}} )
$$
$$
q \,=\, 0. 0 0 0 3 4 0 {\mathrm{m}}^{3} / ( {\mathrm{s}} \cdot{\mathrm{m}} )
$$
$$
q \,=\, 0. 0 0 0 6 9 0 {\mathrm{m}}^{3} / ( {\mathrm{s}} \cdot{\mathrm{m}} )
$$ | $$
q \,=\, 0. 0 0 0 2 3 0 {\mathrm{m}}^{3} / ( {\mathrm{s}} \cdot{\mathrm{m}} )
$$ | general_qa | 523 |
The following is a multiple choice question (with answers).
===Question
In the above question, the intensity of the waves reaching a point P far away on the x-axis from each of the four sources is almost the same and equal to $I_0.$ Then,
===Choices
If $d=\lambda /6,$ the intensity at P is $3I_0.$
If $d=\lambda /6,$ the intensity at P is $5I_0.$
If $d=\lambda /4,$ the intensity at P is $4I_0.$
If $d=\lambda /6,$ the intensity at P is $4I_0.$
If $d=\lambda /2,$ the intensity at P is $3I_0.$
None of these is true
If $d=\lambda /6,$ the intensity at P is $2I_0.$
If $d=\lambda /6,$ the intensity at P is $7I_0.$
If $d=\lambda /6,$ the intensity at P is $8I_0.$
If $d=\lambda /6,$ the intensity at P is $6I_0.$ | If $d=\lambda /6,$ the intensity at P is $3I_0.$ | general_qa | 243 |
The following is a multiple choice question (with answers).
===Question
In sampling inference, the sampling error is____.
===Choices
Inevitable but controllable
Avoidable and inevitable
Predictable but uncontrollable
Inevitable yet predictable
Manageable and avoidable
Inevitable and uncontrollable
Avoidable and controllable
Avoidable
Avoidable but unpredictable
Controllable but unavoidable | Inevitable but controllable | general_qa | 82 |
The following is a multiple choice question (with answers).
===Question
In which year was the United States Army Air Forces elevated to become the independent United States Air Force?
===Choices
1947
1949
1945
1950
1946
1942
1948
1943
1986
1944 | 1947 | general_qa | 86 |
The following is a multiple choice question (with answers).
===Question
An $lpha$ - particle is projected towards the following nucleus with same kinetic energy in different experiment the distance of closet approach is maximum for
===Choices
Au (Z=79)
Na(Z=11)
Ca (Z=21)
Ca (Z=20)
Ag (Z=47)
Cu (Z=29)
Cu (Z=28)
Ag (Z=48) | Au (Z=79) | general_qa | 102 |
The following is a multiple choice question (with answers).
===Question
According to the CAPM model, assuming: market expected return = 15%, risk-free rate = 8%; expected return of X security = 17%, beta value of X = 1.25; which of the following statements is correct?
===Choices
Alpha value of X is -0.25%
X is expected to underperform the market
Alpha value of X is 1.25%
X is fairly priced
Expected return of X should be 16%
Market expected return of X is 18.75%
X is overvalued
Alpha value of X is 0.25%
Beta value of X indicates high volatility
X is undervalued | Alpha value of X is 0.25% | general_qa | 159 |
The following is a multiple choice question (with answers).
===Question
A defendant, a nurse at a nursing home, is charged with murdering a resident at the home by adding an allegedly lethal substance to the resident's food. At trial, to prove that the substance added to the resident's food could result in death, the prosecutor, without first calling any witnesses, offers to read into evidence several pages from a standard medical treatise that support the prosecution's claim that the substance the defendant added to the food is lethal. Is the evidence offered admissible?
===Choices
Yes, because the prosecutor is allowed to introduce evidence without calling witnesses.
No, because the treatise itself must be introduced as an exhibit.
Yes, because the treatise is a public document and therefore exempt from the hearsay rule.
No, because the treatise excerpts are considered hearsay and do not qualify for an exception.
No, because the treatise excerpts were not offered during the examination of a qualified expert.
Yes, because the prosecution is merely providing evidence that supports their claim.
No, because the treatise must be confirmed by an expert in the field before being admissible.
No, because the substance's lethal nature is not relevant to the case.
Yes, because the lethal nature of the substance is relevant to the defendant's state of mind and intent.
Yes, although hearsay, under the learned treatise exception to the hearsay rule. | No, because the treatise excerpts were not offered during the examination of a qualified expert. | general_qa | 286 |
The following is a multiple choice question (with answers).
===Question
A point $D$ is on side $BC$ of triangle $ABC$ such that $BD=20$ and $DC=14$ . A circle $\Gamma$ centered at $D$ is tangent to rays $\overrightarrow{AB}$ and $\overrightarrow{AC}$ . Line $l$ is a tangent of $\Gamma$ that is parallel to $BC$ , and let $l$ intersect $\overrightarrow{AB}$ at $X$ and $\overrightarrow{AC}$ at $Y$ . How many different integer lengths can $XY$ take on?
===Choices
54
56
58
51
57
50
53
59
55
52 | 54 | general_qa | 165 |
The following is a multiple choice question (with answers).
===Question
What is the main function of aerodynamic thrust augmentation during missile launch?
===Choices
Enhance the missile's fuel efficiency
Decrease the temperature around the missile
Decrease the drag force on the missile
Improving flight stability
Increase the missile's flight altitude
Improve the missile's stealth capabilities
Control the missile launch direction.
Increase the speed of the missiles
Increase the missile's weight for more stability
Reduce the noise produced during flight | Increase the speed of the missiles | general_qa | 104 |
The following is a multiple choice question (with answers).
===Question
A particle of mass $2\ kg$ is moving in a circular path of radius $1\ m$ such that its centripetal acceleration is varying with time $a_{c}=4t^{2}$. The power delivered to the particle is
===Choices
$$16t$$
$$2t^2$$
$$14t$$
$$8t$$
$$4t$$
$$2t$$
$$10t$$
$$6t$$
$$12t$$
$$18t$$ | $$4t$$ | general_qa | 125 |
The following is a multiple choice question (with answers).
===Question
In Stendhal's The Red and the Black, Julien's final tragic ending stems from?
===Choices
The huge disparities in social classes and the irreconcilable contradictions that arise from them
The turbulent political environment in France at that time and the strength of the feudal restoration
Vanity, ambition, and misconception of love in his personal character
His blind hatred and unrealistic rebellion against the aristocratic class | The huge disparities in social classes and the irreconcilable contradictions that arise from them | general_qa | 96 |
The following is a multiple choice question (with answers).
===Question
Let $G$ be a non-abelian finite group. Let $c ( G )$ be the number of conjugacy classes in $G$ Define $\overline{{{c}}} ( G ) :=c ( G ) / | G |, \, ( | G |=\mathrm{C a r d} ( G ) )$ . Suppose that there exists a prime number $p$ and an element $x \in G$ such that the cardinality of the conjugacy class of $x$ is divisible by $p$ . Find a good/sharp upper bound for $\overline{{{c}}} ( G )$ .
===Choices
$$
| S | \leq1-{\frac{( | G |+| Z |+p )} {2}}
$$
$$
| S | \geq1+{\frac{( | G |-| Z |/p )} {2}}
$$
$$
| S | \leq1+{\frac{( | G |-| Z |-p )} {2}}
$$
$$
| S | \geq1-{\frac{( | G |-| Z |+p )} {2}}
$$
$$
| S | \geq1+{\frac{( | G |+| Z |/p )} {2}}
$$
$$
| S | \geq1+{\frac{( | G |+| Z |-p )} {2}}
$$
$$
| S | = 1+{\frac{( | G |-| Z |-2p )} {2}}
$$
$$
| S | \leq1+{\frac{( | G |+p-| Z | )} {2}}
$$
$$
| S | \leq1+{\frac{( | G |+| Z |-p^2 )} {2}}
$$
$$
| S | \leq1+{\frac{( | G |-2| Z |-p )} {2}}
$$ | $$
| S | \leq1+{\frac{( | G |-| Z |-p )} {2}}
$$ | general_qa | 427 |
The following is a multiple choice question (with answers).
===Question
A 50-year-old female. She has experienced chest tightness after activity for 1 year and paroxysmal nocturnal dyspnea for 4 days. Physical examination: BP 130/80mmHg, P2 is hyperactive, a diastolic rumbling murmur can be heard at the apex of the heart, no murmurs are heard in other valve areas. The most likely diagnosis for this patient is
===Choices
Mitral regurgitation
Mitral stenosis with a diastolic murmur and hyperactive P2
Mitral stenosis with a systolic murmur and hyperactive P2
Mitral regurgitation with a diastolic murmur
Tricuspid stenosis
Mitral stenosis
Mitral stenosis with a systolic murmur
Mitral stenosis with a diastolic murmur
Aortic regurgitation
Aortic stenosis | Mitral stenosis | general_qa | 213 |
The following is a multiple choice question (with answers).
===Question
Which Taiwanese writer's medical-themed novel is 'Mister Snake'?
===Choices
Chen Yi-heng
Chen Yi-feng
Chen Yi-fen
Chen Yi-fang
Lai He
Chen Yi-hong
Chen Yingzhen
Chen Yi-ho
Chen Yi-hao
Chen Yi-fu | Lai He | general_qa | 88 |
The following is a multiple choice question (with answers).
===Question
The truth table at the bottom of this page gives values for the three Propositional Logic sentences on the right for all possible values of the three proposition constants shown on the left.
| p | q | r | p ⇒ q ∨ r | p ⇒ r | q ⇒ r |
|-----|-----|-----|-----------|-------|-------|
| 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 1 | 0 | 1 | 0 | 0 |
| 1 | 0 | 1 | 1 | 1 | 1 |
| 1 | 0 | 0 | 0 | 0 | 1 |
| 0 | 1 | 1 | 1 | 1 | 1 |
| 0 | 1 | 0 | 1 | 1 | 0 |
| 0 | 0 | 1 | 1 | 1 | 1 |
| 0 | 0 | 0 | 1 | 1 | 1 |
Use this truth table to answer the following questions about logical entailment.
a. {p ⇒ q ∨ r} ⊨ (p ⇒ r)
b. {p ⇒ r} ⊨ (p ⇒ q ∨ r)
c. {q ⇒ r} ⊨ (p ⇒ q ∨ r)
d. {p ⇒ q ∨ r, p ⇒ r} ⊨ (q ⇒ r)
e. {p ⇒ q ∨ r, q ⇒ r} ⊨ (p ⇒ r)
===Choices
No, No, Yes, Yes, No
Yes, No, Yes, No, No
No, Yes, Yes, No, No
Yes, Yes, Yes, No, Yes
Yes, No, No, No, No
Yes, No, No, Yes, Yes
No, No, Yes, No, Yes
No, No, No, Yes, Yes
Yes, Yes, No, Yes, No
No, Yes, No, No, Yes | No, Yes, No, No, Yes | general_qa | 454 |
The following is a multiple choice question (with answers).
===Question
Please fill in the blanks with the most appropriate option based on semantics and relevant syntactic knowledge.
« Je me réveille en pleine forme dès __1__ du réveil, à 6 h 30. Je mets la bouilloire à chauffer et vais réveiller mes deux aînés et mon mari. Thomas, __2__, ouvre un oeil en même temps que nous tous. Je me verse un thé et prépare le petit déjeuner. Ensuite, je jette un oeil à l'ordinateur pour vérifier que __3__ de méga-urgent n'a surgi pendant la nuit, comme une plainte menaçant __4__ Wikipedia en justice pour article jugé diffamatoire. »
===Choices
l'appel, le plus grand, rien, de tirer
la sonnerie, la plus petite, (qu') une espèce, de traîner
l'appel, le benjamin, quelque chose, de traîner
le son, le plus grand, rien, d'entraîner
l'écho, la plus petite, (qu') une espèce, d'opposer
l'écho, la fille, (qu') un drôle, d'entraîner
la sonnerie,le benjamin,rien,de traîner
le son, le benjamin, quelque chose, d'opposer
la sonnerie, la fille, (qu') un drôle, de tirer
l'appel, la fille, rien, d'opposer | la sonnerie,le benjamin,rien,de traîner | general_qa | 349 |
The following is a multiple choice question (with answers).
===Question
Insert a steel screw of length $L$ into a copper tube, assuming the cross-sectional area ratio between the screw and the tube is $S_{1} / S_{2} = 1 / 2$. The longitudinal elastic modulus of the steel screw is $E_{1} = 2 \times 10^{6} \mathrm{kg/cm^{2}}$, and its thermal expansion coefficient is $\alpha_{1} = 1.1 \times 10^{-5} / \mathbf{°C}$. The longitudinal elastic modulus of the copper tube is $E_{2} = 10^{6} \mathrm{kg/cm^{2}}$, and its thermal expansion coefficient is $\alpha_{2} = 1.65 \times 10^{-5} / \mathbf{°C}$. Calculate the thermal stress when the temperature rises from 20°C to 220°C is ().
===Choices
The thermal stress in the steel screws is $\sigma_{1}=950 \mathrm{kg/cm^{2}}$, and the thermal stress in the copper pipe is $\sigma_{2}=-400 \mathrm{kg/cm^{2}}$.
The thermal stress in the steel screws is $\sigma_{1}=1100 \mathrm{kg/cm^{2}}$, and the thermal stress in the copper pipe is $\sigma_{2}=-550 \mathrm{kg/cm^{2}}$.
The thermal stress in the steel screws is $\sigma_{1}=1025 \mathrm{kg/cm^{2}}$, and the thermal stress in the copper pipe is $\sigma_{2}=-500 \mathrm{kg/cm^{2}}$.
The thermal stress in the steel screws is $\sigma_{1}=1050 \mathrm{kg/cm^{2}}$, and the thermal stress in the copper pipe is $\sigma_{2}=-525 \mathrm{kg/cm^{2}}$.
The thermal stress in the steel screws is $\sigma_{1}=1200 \mathrm{kg/cm^{2}}$, and the thermal stress in the copper pipe is $\sigma_{2}=-600 \mathrm{kg/cm^{2}}$.
The thermal stress in the steel screws is $\sigma_{1}=1125 \mathrm{kg/cm^{2}}$, and the thermal stress in the copper pipe is $\sigma_{2}=-590 \mathrm{kg/cm^{2}}$.
The thermal stress in the steel screws is $\sigma_{1}=975 \mathrm{kg/cm^{2}}$, and the thermal stress in the copper pipe is $\sigma_{2}=-450 \mathrm{kg/cm^{2}}$.
The thermal stress in the steel screws is $\sigma_{1}=990 \mathrm{kg/cm^{2}}$, and the thermal stress in the copper pipe is $\sigma_{2}=-470 \mathrm{kg/cm^{2}}$.
The thermal stress in the steel screws is $\sigma_{1}=1150 \mathrm{kg/cm^{2}}$, and the thermal stress in the copper pipe is $\sigma_{2}=-575 \mathrm{kg/cm^{2}}$.
The thermal stress in the steel screws is $\sigma_{1}=1250 \mathrm{kg/cm^{2}}$, and the thermal stress in the copper pipe is $\sigma_{2}=-650 \mathrm{kg/cm^{2}}$. | The thermal stress in the steel screws is $\sigma_{1}=1100 \mathrm{kg/cm^{2}}$, and the thermal stress in the copper pipe is $\sigma_{2}=-550 \mathrm{kg/cm^{2}}$. | general_qa | 750 |
The following is a multiple choice question (with answers).
===Question
What type of institution do community health service agencies belong to?
===Choices
Tertiary Healthcare
Primary Health Providers
Specialist Medical Care
Community Based Program
Secondary Medical Care
Integrated Health Service
For-profit healthcare
Non-profit Healthcare
Local Medical Unit
Primary Care Facilities | Non-profit Healthcare | general_qa | 69 |
The following is a multiple choice question (with answers).
===Question
The music fragment shown in the following example develops the musical material through modulation. The composition of the first group of modulations is ( ), and the composition of the second group of modulations is ( ) (the numbers in the options represent the number of measures):
===Choices
4+4+4; 2+2
4+4; 2+2
4+4; 1+1+1
2+2+2+2; 1+1+1+1 | 4+4; 1+1+1 | general_qa | 116 |
The following is a multiple choice question (with answers).
===Question
What is the adiabatic time scale?
===Choices
$\tau=\frac{\mathbf{U}^2} {\mathbf{L}}$
$\tau=\mathbf{L} + \mathbf{U}$
$\tau=\frac{\mathbf{U}} {\mathbf{L}}$
$\tau=\sqrt{\frac{\mathbf{L}} {\mathbf{U}}}$
$\tau=\frac{\mathbf{L}} {\mathbf{U}^2}$
$\tau=\frac{\mathbf{U}^3} {\mathbf{L}}$
$\tau=\mathbf{L} \cdot \mathbf{U}$
$\tau=\frac{\mathbf{L}^2} {\mathbf{U}}$
$\tau=\frac{\mathbf{L}} {\mathbf{U}}$
$\tau=\frac{1}{\mathbf{L} \cdot \mathbf{U}}$ | $\tau=\frac{\mathbf{L}} {\mathbf{U}}$ | general_qa | 215 |
The following is a multiple choice question (with answers).
===Question
At 30°C and 101.3 kPa, ammonia gas mixed in the air is absorbed using a packed column. The packing used is random ceramic rings with a specific surface area of 300 $m^2$/ $m^3$ and a diameter of 15 mm. The average partial pressure of ammonia in the mixed gas is known to be 6.0 kPa, the empty tower mass velocity of the gas is $G = 3.0 \mathbf{kg}/(\mathbf{m}^2\cdot\mathbf{s})$; under operating conditions, the diffusion coefficient of ammonia in air is $1.98\times 10^{-5}\mathrm{m}^2/$s, the viscosity of the gas is $1.86\times10^{-5}$ Pa·s, and the density is 1.14 kg/m³. Calculate the gas film absorption coefficient $k_{\mathrm{G}}$.
===Choices
$k_{G}=3.40\times10^{-5}kmol/(m^{2}\cdot s\cdot kPa)$
$k_{G}=1.55\times10^{-5}kmol/(m^{2}\cdot s\cdot kPa)$
$k_{G}=2.00\times10^{-7}kmol/(m^{2}\cdot s\cdot kPa)$
$k_{G}=4.50\times10^{-5}kmol/(m^{2}\cdot s\cdot kPa)$
$k_{G}=9.90\times10^{-6}kmol/(m^{2}\cdot s\cdot kPa)$
$k_{G}=7.80\times10^{-6}kmol/(m^{2}\cdot s\cdot kPa)$
$k_{G}=2.20\times10^{-5}kmol/(m^{2}\cdot s\cdot kPa)$
$k_{G}=1.80\times10^{-4}kmol/(m^{2}\cdot s\cdot kPa)$
$k_{G}=5.12\times10^{-6}kmol/(m^{2}\cdot s\cdot kPa)$
$k_{G}=1.00\times10^{-5}kmol/(m^{2}\cdot s\cdot kPa)$ | $k_{G}=1.55\times10^{-5}kmol/(m^{2}\cdot s\cdot kPa)$ | general_qa | 525 |
The following is a multiple choice question (with answers).
===Question
The interaction closely related to the generation of the second signal for B cell activation is ( )
===Choices
The interaction between CD4 molecules and MHC class II molecules
The interaction between CD40L and CD86 molecules
The interaction between CD40L and CD40 molecules
The interaction between CD40 and CD40L molecules
The interaction between CD40 and CD86 molecules
The interaction between CD40L and CD80 molecules
The interaction between CD40 and CD80 molecules
The interaction between IL-2 and IL-2R
The interaction between B7 molecules and CD28 molecules | The interaction between CD40L and CD40 molecules | general_qa | 147 |
The following is a multiple choice question (with answers).
===Question
Assume the displacement of the spring oscillator system is the superposition of two vibrations with different frequencies and amplitudes, i.e.,
$$
x(t) = \sin \omega t + \frac{1}{2} \sin 2\omega t
$$
Question: At what time is the displacement greatest? At what time is the velocity greatest?
===Choices
$$
{\frac{\pi} {2}}, \frac{\pi} {3}
$$
$$
0, {\frac{\pi} {3}}
$$
$$
{\frac{\pi} {4}}, 0
$$
$$
{\frac{\pi} {3}}, \frac{\pi}{2}
$$
$$
{\frac{\pi} {3}}, {\frac{\pi} {6}}
$$
$$
{\frac{\pi} {6}}, 0
$$
$$
{\frac{\pi} {3}}, \pi
$$
$$
{\frac{\pi} {2}}, 0
$$
$$
{\frac{\pi} {3}}, {\frac{\pi}{4}}
$$
$$
{\frac{\pi} {3}}, 0
$$ | $$
{\frac{\pi} {3}}, 0
$$ | general_qa | 257 |
The following is a multiple choice question (with answers).
===Question
Which of the following is the basic category established by Pigou in the Economics of War?
===Choices
The Relationship Between Productivity and War
Application of Mechanical Weapons
Economic Mobilization for War Efforts
War Finance
Wartime Economy and Peacetime Economy
International Trade during Wartime
Defense Spending and Economic Impact
Military Logistics and Supply Chains
Domestic Resource Allocation in Conflict
Civilian Contributions to Military Efforts | Wartime Economy and Peacetime Economy | general_qa | 103 |
The following is a multiple choice question (with answers).
===Question
During what year did Kiki Smith earn the Nelson A. Rockefeller Award for the first time?
===Choices
2011
2014
2008
2015
2012
2013
2006
2007
2009
2010 | 2010 | general_qa | 85 |
The following is a multiple choice question (with answers).
===Question
What is the probability that a ground-state tritium atom becomes ground-state $\mathrm{He}^{+}$ instantly after undergoing beta decay?
===Choices
$$
{\frac{5 0 8} {7 4 6}}
$$
$$
{\frac{6 2 1} {7 0 3}}
$$
$$
{\frac{6 0 1} {7 3 5}}
$$
$$
{\frac{5 4 7} {7 6 1}}
$$
$$
{\frac{5 5 2} {9 1 2}}
$$
$$
{\frac{4 9 3} {8 4 1}}
$$
$$
{\frac{3 8 2} {5 8 4}}
$$
$$
{\frac{5 1 2} {7 2 9}}
$$
$$
{\frac{4 4 4} {7 8 8}}
$$
$$
{\frac{5 2 9} {6 9 4}}
$$ | $$
{\frac{5 1 2} {7 2 9}}
$$ | general_qa | 245 |
The following is a multiple choice question (with answers).
===Question
An electron moves with speed $2\times{10}^{5}m{s}^{-1}$ along the positive x-direction in the presence of a magnetic induction $\overline { B } =\hat { i } +4\hat { j } -3\hat { k } $ tesla. The magnitude of the force experienced by the electrons in newton is (charge on the elextron $=1.6\times{10}^{-19}C$)
===Choices
$$1.24 \times 10^{-13}$$
$$1.12 \times 10^{-13}$$
$$1.38 \times 10^{-13}$$
$$1.22 \times 10^{-13}$$
$$1.02 \times 10^{-13}$$
$$1.18\times{10}^{-13}$$
$$1.72\times{10}^{-13}$$
$$1.44 \times 10^{-13}$$
$$1.28\times{10}^{-13}$$
$$1.6\times{10}^{-13}$$ | $$1.18\times{10}^{-13}$$ | general_qa | 281 |
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