problem stringlengths 14 4.09k | solution stringlengths 1 802k | task_type stringclasses 3
values | problem_tokens int64 5 895 |
|---|---|---|---|
The following is a multiple choice question (with answers).
===Question
What is the apparent magnitude of the star HD 160910?
===Choices
3.58
33.56
22.50
0.53
5.52
17.54
15.55
2.51
23.57
-9.59 | 5.52 | general_qa | 89 |
The following is a multiple choice question (with answers).
===Question
Which of the following epigenetic modifications is crucial for the maintenance of chromatin structure, X chromosome inactivation, genomic imprinting, and the maintenance of normal cell function, as well as embryonic development and disease occurren... | DNA methylation | general_qa | 129 |
The following is a multiple choice question (with answers).
===Question
We now define an algorithm: The definition of a(n) is: Signature-permutation of a Catalan automorphism. Reflect a rooted plane binary tree, and consider Deutsch's 1998 involution on Dyck paths. Given the input x_list (a series of values): [60, 61, ... | [37, 28, 25, 24, 23, 196, 195, 194, 190, 189] | general_qa | 572 |
The following is a multiple choice question (with answers).
===Question
Given that the wavenumber difference between adjacent lines in the far-infrared pure rotational spectrum of an NaCl molecule is $0.28 \mathrm{cm}^{-1}$, what is the ratio of the number of NaCl molecules in the ground state to those in the first and... | $$
N_{0} : N_{1} : N_{2}\approx1 : 2. 9 6 : 4. 8 0
$$ | general_qa | 518 |
The following is a multiple choice question (with answers).
===Question
A charged particle with charge $q$ and mass $m$ starts with an initial kinetic energy $K$ at the middle of a uniformly charged spherical region of total charge $Q$ and radius $R, q$ and $Q$ have opposite signs. The spherically charged region is not... | $$t = \dfrac{\pi}{4} \sqrt{\dfrac{4 \pi \varepsilon_0 m R^3}{qQ}}$$ | general_qa | 439 |
The following is a multiple choice question (with answers).
===Question
The surface view of endodermal cells in the gentian root appears rectangular. Which of the following statements is correct?
===Choices
Cells have large intercellular spaces and smooth walls.
The surface has an extremely fine, diagonally intersecti... | Each cell is divided into several smaller cells by longitudinal walls. | general_qa | 156 |
The following is a multiple choice question (with answers).
===Question
Consider a sequence of independent random variables $P_1, P_2, \dots$ defined for $0 \leq p \leq 1/2$, where each $P_i$ follows the distribution: \[ P_i = \begin{cases} 1 & \text{with probability $p$,} \\ -1 & \text{with probability $p$,} \\ 0 & \t... | \frac{1}{4} | general_qa | 330 |
The following is a multiple choice question (with answers).
===Question
A 65-year-old man is brought to the emergency department with a complaint of right-sided numbness for 5 hours. The numbness started in the right-side of the face and has progressed to the same side arm and leg within 30 minutes. He denies limb weak... | Lipohyalinosis of small penetrating arteries due to chronic hypertension | general_qa | 475 |
The following is a multiple choice question (with answers).
===Question
What does equilibrium of an aircraft under static balance refer to?
===Choices
Counteraction of velocity and drag
Coordination of forces and speed
Stabilization of mass and drag
Alignment of lift and propulsion
Equilibrium of thrust and drag
Balan... | Balance of Gravity and Lift | general_qa | 95 |
The following is a multiple choice question (with answers).
===Question
When a germanium crystal is cooled from 600°C to 300°C, the equilibrium concentration of Schottky defects (vacancies) in the germanium crystal decreases by six orders of magnitude. (The gas constant $R = 8.314 \, {J}/({mol·K})$.) Calculate the form... | $3.83\times10^{5}J/mol$ | general_qa | 254 |
The following is a multiple choice question (with answers).
===Question
What can the soil moisture content in a watershed be converted into _____.
===Choices
Groundwater table
Surface runoff
Water transpiration
Flowing within the soil
Evapotranspiration
Infiltration system
Condensation process
Subsurface flow
Capillar... | Evapotranspiration | general_qa | 73 |
The following is a multiple choice question (with answers).
===Question
A reversible reaction is at temperature $T$ $(K)$. Both enthalpy change and entropy change have positive values. Let $T'$ represents the equilibrium temperature. For the reaction to be spontaneous, which of the following conditions should be satisf... | $$T' < T$$ | general_qa | 142 |
The following is a multiple choice question (with answers).
===Question
$\alpha, \beta, $ and $\gamma$ are the roots of $x(x - 200)(4x + 1) = 1$ . Let
$$$\omega = \tan^{-1}(\alpha) + \tan^{-1}(\beta) + \tan^{-1}(\gamma) .$$$
The value of $\tan (\omega )$ can be written as $\frac{m}{n}$ where $m$ and $n$ are relatively ... | 167 | general_qa | 158 |
The following is a multiple choice question (with answers).
===Question
In which year was the Castlebridge Gospel Choir in Ireland founded?
===Choices
2002
2003
2007
2005
2001
2004
2006
2000
2009
2008 | 2003 | general_qa | 79 |
The following is a multiple choice question (with answers).
===Question
In a sealed container with a volume of $V=0.5 \mathrm{m}^{3}$, there is oxygen at 27°C and 0.6 MPa. After heating, the temperature rises to 327°C, based on constant specific heat capacity.
===Choices
$$
768.45kJ
$$
$$
881.60kJ
$$
$$
808.27kJ
$$
$$... | $$
808.27kJ
$$ | general_qa | 195 |
The following is a multiple choice question (with answers).
===Question
What equipment is commonly used to prevent pipeline explosions during power outages?
===Choices
Pressure Relief Valve
Check Valve
Temperature Control Valve
Flow Control Valve
Safety Relief Valve
Flowmeter
Solenoid Valve
Pressure Regulating Valve
T... | Emergency Shutoff Valve | general_qa | 70 |
The following is a multiple choice question (with answers).
===Question
If Roman numerals are used for ship's draft marks, the spacing between adjacent numbers should be
===Choices
3 in
6 in
12 in
9 in | 6 in | general_qa | 49 |
The following is a multiple choice question (with answers).
===Question
Equation of SHM is $x=10\sin{10\pi t}$. Find the distance between the two points where speed is $50\pi$ $cm/sec$. $x$ is in cm and $t$ is in seconds
===Choices
$$5(\sqrt{3}+1) cm$$
$$10cm$$
$$5(\sqrt{3}+3) cm$$
$$17.32cm$$
$$5(\sqrt{3}-1) cm$$
$$5... | $$5(\sqrt{3}+1) cm$$ | general_qa | 180 |
The following is a multiple choice question (with answers).
===Question
The main effects of Sini Tang are ( ).
===Choices
Dispelling dampness and reducing swelling
Expelling wind and alleviating pain
Enhancing blood circulation and tonifying blood
Strengthening the spleen and tonifying Qi
Nourishing Yin and reducing i... | Restoring Yang and rescuing adverse conditions | general_qa | 132 |
The following is a multiple choice question (with answers).
===Question
Given the vectors in cylindrical coordinates $A=4 a_{\rho}+3 a_{\phi}+2 a_{z}$ and $B=-3 a_{\rho}+2 a_{\phi}+2 a_{z}$, with starting coordinates at point $P \left( 4 , \frac{\pi} {6} , 2 \right)$ and point $Q \left( 2, {\frac{\pi} {3}} , 2 \right)$... | $$
1. 2 2 5 a_{\rho}+3. 0 1 7 a_{\phi}+4 a_{z}
$$ | general_qa | 542 |
The following is a multiple choice question (with answers).
===Question
What color does the transverse section of the river display under ultraviolet light?
===Choices
Faint orange luminescence
Bright yellow fluorescence
Vivid red luminescence
Yellowish-brown fluorescence
Pale green luminescence
Bright teal luminescen... | Soft purple luminescence | general_qa | 90 |
The following is a multiple choice question (with answers).
===Question
The thorax is one of the skeletal structures that originated in which animal?
===Choices
Fish
Birds
Amphibians
Mollusks
Insects
Mammals
Crustaceans
Cnidarians
Reptiles
Arachnids | Reptiles | general_qa | 71 |
The following is a multiple choice question (with answers).
===Question
Which of the following fish has ventral gill slits?
===Choices
Orange clownfish
White sturgeon
Yellow tang
Purple basslet
Green moray
Golden puffer
Black tip shark
Blue marlin
Red stingray
Silver mackerel | Red stingray | general_qa | 69 |
The following is a multiple choice question (with answers).
===Question
Which of the following statements are correct about the following reaction:
===Choices
Slow and rate-determining step (R.D.S) is the addition of the protonated alcohol to the acid
Slow and rate-determining step (R.D.S) is the addition of acid to t... | Slow and rate-determining step (R.D.S) is the addition of alcohol to the protonated acid | general_qa | 302 |
The following is a multiple choice question (with answers).
===Question
(a) A mixture of air and water vapor is passing over a flat plate 2 ft long at a rate of 210 ft/sec at 1atmand 75°F. Determine the mass transfer coefficient of water vapor in air if the flow is turbulent and the concentration of water vapor in air ... | 0.516 ft/sec for flat plate, 0.25 ft/sec for sphere | general_qa | 335 |
The following is a multiple choice question (with answers).
===Question
The following _____ have the colors "red, yellow, and white."
===Choices
Sunset Glow Black Tea
Ruby Tip Herbal Blend
Pearl Grey Chai Latte
Crimson Edge White Tea
Silver Needle Jasmine Tea
White Tip Oolong Tea
Emerald Dew Pu'erh Tea
Golden Leaf Gre... | White Tip Oolong Tea | general_qa | 95 |
The following is a multiple choice question (with answers).
===Question
Regarding DDZ-III type transmitters, the correct statement is ( )
===Choices
On-site transmission signal ranges 3~~15mA
Current transmission, current reception
Remote transmission signal ranges 3~~15mA
Each unit is powered individually by 220V
Out... | On-site transmission signal is 4~~20mA | general_qa | 124 |
The following is a multiple choice question (with answers).
===Question
The assumption of human nature used in Hawthorne's experiment is ().
===Choices
Social people
Competitive spirit
Cooperative individual
Altruistic being
Economic man
Emotional thinker
Rational actor
Robot
Isolated entity
Complex people | Social people | general_qa | 67 |
The following is a multiple choice question (with answers).
===Question
What is the only country in the world to invoke Napoleon in its national anthem?
===Choices
Russia
Belgium
France
Poland
Italy | Poland | general_qa | 44 |
The following is a multiple choice question (with answers).
===Question
Vinyl chloride undergoes suspension polymerization at 50°C using AIBN as an initiator. At this temperature, the initiator has a half-life of $t_{1/2} = 74$ hours, with an initiator concentration of $0.01 \ \mathrm{mol} \cdot \mathrm{L}^{-1}$ and an... | $680$ | general_qa | 182 |
The following is a multiple choice question (with answers).
===Question
What year did the painter Joseph Matthäus Aigner paint "Portrait of a Lady with Her Dog"?
===Choices
1865
1862
1863
1864
1867
1860
1861
1869
1868
1866 | 1863 | general_qa | 87 |
The following is a multiple choice question (with answers).
===Question
How many moles of ATP can be produced by the complete oxidation of 1 mol of stearic acid?
===Choices
125
120
180
105
150
160
98
110
130
140 | 120 | general_qa | 78 |
The following is a multiple choice question (with answers).
===Question
When measuring the birefringence of non-circular fibers, the following methods are generally used:
===Choices
Liquid refraction method
Liquid refractive immersion method
Optical refraction method
Optical refractive method
Liquid refractive method
... | Liquid immersion method | general_qa | 91 |
The following is a multiple choice question (with answers).
===Question
In the system shown in figure $m_A=4m,m_B=3m$ and $m_C=8m$. Friction is absent everywhere. String is light and in-extensible. If the system is released from rest find the acceleration of block $B$
===Choices
$\frac{g}{2}$ (left ward)
$\frac{g}{8}$... | $\frac{g}{4}$ (rightward) | general_qa | 171 |
The following is a multiple choice question (with answers).
===Question
Calculate $\Delta G^0$ (in kcal/mole) for decomposition of $Cl_2 (g) \rightleftharpoons 2Cl(g)$, if chlorine molecules are 50% dissociated at 1000 k at a pressure of 15 atm at equilibrium (In 20= 2.99)
===Choices
-2.56
-2.99
-4.13
-3.25
-5.99
-3.5... | -2.6 | general_qa | 149 |
The following is a multiple choice question (with answers).
===Question
Given the following $N$-point DFT $X(k)$, find $x(n) = \mathrm{IDFT} \big[ X(k) \big]$ is ().
$$
X(k) = \begin{cases}
\frac{N}{2} \mathrm{e}^{i \theta}, & k = m \\
\frac{N}{2} \mathrm{e}^{-i \theta}, & k = N-m \\
0, & \text{otherwise}
\end{cases}
$... | $$
x ( n )= \operatorname{c o s} \! \left( \frac{2 \pi} {N} m \, n+\theta\right) \!, \quad n=0 \,, 1 \,, 2 \,, \cdots, N-1
$$ | general_qa | 819 |
The following is a multiple choice question (with answers).
===Question
In which class of carcinogens did the International Agency for Research on Cancer of the World Health Organization place nickel metal and nickel alloys in 2017?
===Choices
Class 2C
Class 2B
Class 3
Class 1
Class 2A | Class 2B | general_qa | 71 |
The following is a multiple choice question (with answers).
===Question
The chemical component in Chinese medicine, Gardenia fruit (Shan Zhi Zi), that is highly reactive and changes color when exposed to acids, bases, enzymes, and amino acids is likely ()
===Choices
Tannins
Anthraquinones
Triterpenoids
Flavonoids
Xant... | Iridoids | general_qa | 100 |
The following is a multiple choice question (with answers).
===Question
The total utility from sardines is maximized when they are purchased until
===Choices
marginal benefit equals marginal cost
marginal cost is zero
production cost is at its minimum
marginal utility equals marginal cost
total cost equals total benef... | marginal utility is zero | general_qa | 102 |
The following is a multiple choice question (with answers).
===Question
Use the $D_0$ value of $\mathrm{H}_2(4.478 \mathrm{eV})$ and the $D_0$ value of $\mathrm{H}_2^{+}(2.651 \mathrm{eV})$ to calculate the first ionization energy of $\mathrm{H}_2$ (that is, the energy needed to remove an electron from $\mathrm{H}_2$ )... | 15.425 $\mathrm{eV}$ | general_qa | 239 |
The following is a multiple choice question (with answers).
===Question
Which of the following statements about ship cargo operations is incorrect?
1.During anchoring operations, if there are two white-marked chain links on both sides of the connecting link in the water, it indicates that 4 shots of anchor chain are in... | 1,2,3,4 | general_qa | 259 |
The following is a multiple choice question (with answers).
===Question
Find the minimum value of \[ | \sin x + \cos x + \tan x + \cot x + \sec x + \csc x | \] for real numbers $x$.
===Choices
2 \sqrt{2} - 1.25
2 \sqrt{2} - 1.75
2 \sqrt{2} - 1
2 \sqrt{2} - 1.1
2 \sqrt{2} + 1
2 \sqrt{2} - 1.5
2 \sqrt{2} - 2
2 \sqrt{2} ... | 2 \sqrt{2} - 1 | general_qa | 168 |
The following is a multiple choice question (with answers).
===Question
The research methods of Marxist political economy include ( ).
===Choices
Logical and Historical Unity Method
Historical Materialism
Empirical Dialectics
Materialist Idealism
Dialectical Materialism
Empirical Materialism
Mechanical Materialism
Sci... | Dialectical Materialism | general_qa | 79 |
The following is a multiple choice question (with answers).
===Question
It is known that $K_{\mathrm{s p}}^{\ominus} \left( \mathrm{C a F}_{2} \right)=1. 5 \times1 0^{-1 0}$ , and that it can be dissolved in 0.250 L of 0.10 mol/L Ca(NO3)2 solution ____$\rm Ca \mathbf{F}_{ 2}$ .
===Choices
$7.0 \times1 0^{-4} \mathbf{g... | $3.8 \times1 0^{-4} \mathbf{g}$ | general_qa | 296 |
The following is a multiple choice question (with answers).
===Question
What was the first and last name of the first woman lawyer admitted in New York state?
===Choices
Katherine Stone
Katherine S. Stoneman
Katherine Stoneman
Kate Stone
Kate Stoneman-Smith
Kate S. Stone
Kate Stoneman
Kate S. Stoneman | Kate Stoneman | general_qa | 73 |
The following is a multiple choice question (with answers).
===Question
The two key experiments that proved DNA is the genetic material are: the transformation experiment with Streptococcus pneumoniae and the infection experiment with T2 phage. The common argument evidence from these two experiments is
===Choices
The ... | The exogenous DNA absorbed by the organism (and not protein) altered its genetic potential | general_qa | 236 |
The following is a multiple choice question (with answers).
===Question
We now define an algorithm: The definition of a(n) is the sequence defined by the following process: Start with any positive integer n. Then each term is obtained from the previous term as follows: if the previous term is even, the next term is one... | [1, 4, 2, 1, 4, 2, 1, 4, 2, 1] | general_qa | 536 |
The following is a multiple choice question (with answers).
===Question
For a first-order liquid phase reaction $\mathcal{A}\longrightarrow\mathbb{R}$, when conducted in a continuous stirred-tank reactor (CSTR), the conversion rate can reach 50%. What is the conversion rate if the process is transferred to a plug flow ... | 63.2% | general_qa | 151 |
The following is a multiple choice question (with answers).
===Question
Find the quantum number of the excited state of electron in ${ He }^{ + }$ ion which on transition to first excited state emit photon of wavelength 108.5 nm (${ R }_{ H }=\quad 1.09678*{ 10 }^{ 7 }\quad { m }^{ -1 }$)
===Choices
12
9
8
10
6
7
5
2
... | 6 | general_qa | 111 |
The following is a multiple choice question (with answers).
===Question
For the following cell $Zn| Zn^{2+} // Cd^{2+}// Cd $
$E_{cell}=0.30V $ and $E^0_{cell}=0.36V.$ Then the value of $ $[Cd^{2+}]/ [Zn^{2+}]$ is
===Choices
$$0.2$$
$$100$$
$$0.05$$
$$20$$
$$0.1$$
$$0.02$$
$$0.5$$
$$0.01$$
$$1$$
$$10$$ | $$10$$ | general_qa | 145 |
The following is a multiple choice question (with answers).
===Question
In the initial screening for bactericidal activity, at what inhibition rate can a substance proceed to re-screening?
===Choices
90%
78%
88%
70%
85%
92%
80%
95%
75%
65% | 95% | general_qa | 70 |
The following is a multiple choice question (with answers).
===Question
A normal person's body temperature is highest at which time of the day?
===Choices
1-6 PM
8-11 AM
5-8 PM
11 AM-2 PM
10 AM-12 PM
6-9 PM
Noon at 12 PM
7-11 PM
4-8 AM
3-7 AM | 1-6 PM | general_qa | 91 |
The following is a multiple choice question (with answers).
===Question
If the ratio of the washing rate to the final filtration rate $\mathrm{d}V/\mathrm{d}\tau$ for a plate-and-frame filter press is 1/4, what is the ratio of the washing rate to the final filtration rate for a leaf filter?
===Choices
4
1
0.5
3
2.5
2
... | 1 | general_qa | 101 |
The following is a multiple choice question (with answers).
===Question
The expression
$$
\mathrm{a+( ( b * c-d ) / e+f^{*} g / h )+i / j}
$$
has the suffix expression ().
===Choices
$$
\mathrm{a b c ~ * d-1 / f ~ g * h ~ /++i ~ j ~ ~}
$$
$$
\mathrm{a ~ * d-1 / f ~ g * h ~ /++i ~ j ~ /+~}
$$
$$
\mathrm{a ~ * d-e / f ~... | $$
\mathrm{a b c ~ * d-e / f ~ g * h ~ /++i ~ j ~ /+~}
$$ | general_qa | 360 |
The following is a multiple choice question (with answers).
===Question
Find the surface heat transfer coefficient of a 2 ft. high flat plateat 220°F, when immersed in water at 70°F.
===Choices
250 Btu/hr-ft^2-°F
160 Btu/hr-ft^2-°F
205 Btu/hr-ft^2-°F
170 Btu/hr-ft^2-°F
180 Btu/hr-ft^2-°F
150 Btu/hr-ft^2-°F
191.1 Btu/h... | 191.1 Btu/hr-ft^2-°F | general_qa | 180 |
The following is a multiple choice question (with answers).
===Question
Which of the following is the simplest form of drier works with solar energy?
===Choices
Spray drier
Tunnel drier
Tower drier
Box drier
Tent drier
Shade drier
Roof drier
Vacuum shelf drier
Drum drier
Flash drier | Tent drier | general_qa | 80 |
The following is a multiple choice question (with answers).
===Question
The focal length of an objective lens of a microscope is $4mm$, and the intermediate image is formed $160mm$ behind the focal point of the objective lens. If the magnification of the eyepiece is 20x, what is the total magnification of the microscop... | 820 | general_qa | 118 |
The following is a multiple choice question (with answers).
===Question
$FAD$ is a redox-active molecule which takes part in many important biological reactions. The redox potential of $FAD$ at $pH\ 7.0$ is given below.$FAD+2H^{+}+2e^{-}\rightleftharpoons FADH_{2}$; $E_{FADH_{2}/FAD}=0.18V$. Calculate the redox potenti... | $$0\ V$$ | general_qa | 199 |
The following is a multiple choice question (with answers).
===Question
At present, the most bronze tripod inscriptions found by archaeology is __.
===Choices
Wang Jin Ding
Mao Gongding
Yu the Great Ding
Si Mu Wu Ding
Xiao Yu Ding
King Kang Ding
Tai Zi
Dake Ding
He Zun
Gao Zong Ding | Mao Gongding | general_qa | 78 |
The following is a multiple choice question (with answers).
===Question
What is the main function of the piston air ring?
===Choices
Transduction, heat exchange
Preservation, heat dispersion
Spacing, temperature adjustment
Filtration, temperature balancing
Compression, thermal conduction
Ventilation, heat dissipation
... | Sealing, heat conduction | general_qa | 90 |
The following is a multiple choice question (with answers).
===Question
Consider air at a temperature of 230 K. Calculate the speed of sound.
===Choices
$$
2 7 5 \mathrm{~ m / s e c}
$$
$$
3 1 5 \mathrm{~ m / s e c}
$$
$$
2 8 5 \mathrm{~ m / s e c}
$$
$$
2 8 0 \mathrm{~ m / s e c}
$$
$$
3 1 0 \mathrm{~ m / s e c}
$$
$... | $$
3 0 4 \mathrm{~ m / s e c}
$$ | general_qa | 224 |
The following is a multiple choice question (with answers).
===Question
What are the basic aspects of the universal nature of religion?
===Choices
Political leadership and governmental structure
Financial growth and prosperity
Artistic expression and visual arts
Spiritual entities and rituals only
Architectural styles... | Social essence and cultural essence | general_qa | 95 |
The following is a multiple choice question (with answers).
===Question
Which group of people might not be suitable for high-impact aerobic exercise?
===Choices
Middle-aged Men
Office Workers
Young Adults
Teenagers
Elderly People
Children
Pregnant Women
Young Men
Middle-aged Women
Athletes | Elderly People | general_qa | 66 |
The following is a multiple choice question (with answers).
===Question
A solution containing 1 mol per liter of each $Cu(NO_3)_2,\, AgNO_3,\, and\, Hg_2(NO_3)_2$ is being electrolyzed by using inert electrodes. The value of standard electrode potentials in volts (reduction potential) are$Ag\, |\, Ag^{\bigoplus}\, =\, ... | $$Ag, Hg, Cu$$ | general_qa | 291 |
The following is a multiple choice question (with answers).
===Question
In his article "The Central Place of Southern Germany," Christaller employs empirical and deductive methods to infer that the distribution of settlements is ().
===Choices
Radial
Square
Linear
Random
Scattered
Triangle
Grid-like
Elliptical
Hexagon... | Triangle | general_qa | 71 |
The following is a multiple choice question (with answers).
===Question
Joe is the trustee of a trust set up for his father. Under the Internal Revenue Code, when Joe prepares the annual trust tax return, Form 1041, he
===Choices
Can only sign the return if he is also a certified public accountant.
Is not considered a... | Is not considered a tax return preparer. | general_qa | 217 |
The following is a multiple choice question (with answers).
===Question
Between 25 and 35 degrees latitude, north and south, named the_______, also known as the subtropics, which is an important climatic belt in the world.
===Choices
tropical territory
monsoon area
subtropical zone
polar region
frigid zone
equatorial ... | subtropical zone | general_qa | 97 |
The following is a multiple choice question (with answers).
===Question
We now define an algorithm: The definition of a(n) is: Remove all prime factors of the form 4k+3 from n, where k is a non-negative integer. Given the input x_list (a series of values): [78, 79, 80, 81, 82, 83, 84, 85, 86, 87], determine the corresp... | [26, 1, 80, 1, 82, 1, 4, 85, 2, 29] | general_qa | 474 |
The following is a multiple choice question (with answers).
===Question
Which of the following cancers is a specific type of lung adenocarcinoma?
===Choices
Pancreatic Lung Cancer
Small Cell Lung Cancer
Skin Cell Lung Cancer
Prostate Cancer of the Lung
Lung Cancer
Large Cell Lung Cancer
Soft Tissue Lung Cancer
Brain C... | Scar Cancer of the Lung | general_qa | 87 |
The following is a multiple choice question (with answers).
===Question
A large tower is to be supported by a series of steel wires; it is estimated that the load on each wire will be $13,300 \ N(3000 Ib_{f})$ . The minimum required wire diameter is (), assuming a factor of safety of 2.0 and a yield strength of 860 MPa... | $$
6. 3 \, {\mathrm{m m}} \ \ ( 0. 2 5 \, {\mathrm{i n}}. )
$$ | general_qa | 453 |
The following is a multiple choice question (with answers).
===Question
Cézanne is known as the "Father of Modern Art", What subject matter did his paintings primarily focus on?
===Choices
Religious paintings
Abstract forms
Mythological figures
Still life
Landscapes
Urban scenes
Historical events
Literary themes
Portr... | Still life | general_qa | 77 |
The following is a multiple choice question (with answers).
===Question
A particle P of mass m attached to a vertical axis by two strings AP and BP of length L each. The separation AB = L, P rotates around the axis with an angular velocity $ '\omega'$ .the tensions in the strings AP & BP are $ T_1 and T_2 $ respectivel... | BP will remain taut only if $ \omega \ge \sqrt { 2g / L } $ | general_qa | 250 |
The following is a multiple choice question (with answers).
===Question
The Halpin-Tsai model is mainly used to predict the properties of which type of material?
===Choices
Advanced ceramics
Composite materials
Polymer composites
Composite fibers
Reinforced plastics
Composite polymers
Polymer matrix composites
Polymer... | Composite materials | general_qa | 77 |
The following is a multiple choice question (with answers).
===Question
A model pipe geometrically similar to the air duct is made at a scale of 1:30, using water with 50 times the viscosity and 800 times the density of air for the model experiment. If the flow velocity in the air duct is 6 m/s, what should be the flow... | $$
= 1 1. 2 5 \mathrm{~ m / s}
$$ | general_qa | 307 |
The following is a multiple choice question (with answers).
===Question
The Song-Ming Neo-Confucian scholars generally advocated the cultivation theory of 'preserving reason' and 'eliminating desires', the epistemology of 'investigating things' and 'rectifying the mind', and the theory of merit of 'regulating the famil... | standardizing social order and maintaining rule | general_qa | 188 |
The following is a multiple choice question (with answers).
===Question
During the process of driving a 40-m long reinforced concrete pile into a foundation soil, a pile-driving hammer imparts a force impulse that can be assumed to vary as a half sine wave with an amplitude of 2500 kN and a duration of 0.012 seconds. T... | 22343;0 | general_qa | 293 |
The following is a multiple choice question (with answers).
===Question
The body of a kidnap victim was brought to you for autopsy. Apa from a few bruises near the mouth and the face there were no obvious external injuries. The toxicology tests confirmed the presence of chloroform in the blood. What is the fatal blood ... | 40 mg % | general_qa | 116 |
The following is a multiple choice question (with answers).
===Question
Calculate the enthalpy of combustion of methyl alcohol at 298 K from the following dataBond$\displaystyle C-H$$\displaystyle C-O$$\displaystyle O-H$$\displaystyle O=O$$\displaystyle C=O$Bond Enthalpy ( kJ $\displaystyle mol^{-1}$414351.5464.5494711... | $$\displaystyle -136.7 kJ mol^{-1}$$ | general_qa | 344 |
The following is a multiple choice question (with answers).
===Question
Under Chinese law, A shopping mall (A) sent an offer to a company (B) for purchasing 100 refrigerators. B sent a letter of acceptance on May 1, which was received by the shopping mall on May 8. As the general manager was out of town, the general ma... | May 8 | general_qa | 151 |
The following is a multiple choice question (with answers).
===Question
Using 1949 as the base year and 2000 as the reporting period, the average development speed of product output value should be calculated to the power of __________.
===Choices
50
51
55
53
52
48
47
54
49
56 | 51 | general_qa | 85 |
The following is a multiple choice question (with answers).
===Question
The direct evidence for the sliding filament theory of muscle contraction is what happens to the light band, dark band, and H band during skeletal muscle contraction?
===Choices
The M band and H band shorten, while the A band length remains unchan... | The M band and H band shorten, while the A band length remains unchanged. | general_qa | 221 |
The following is a multiple choice question (with answers).
===Question
One of the basic principles of strategic management is that managers adjust strategies according to environmental changes. When the global economic environment deteriorates, for export-oriented manufacturing enterprises, appropriate measures includ... | III and IV | general_qa | 154 |
The following is a multiple choice question (with answers).
===Question
In the compressed gas refrigeration cycle, the state of the air as it enters the compressor is $p_{1}=0.1 \ \mathrm{M Pa}$, $t_{1}=-20 \ \mathrm{^\circ C}$. In the compressor, it is isentropically compressed to $p_{2}=0.5 \ \mathrm{M Pa}$, and then... | $$
1. 7 1
$$
$$
6 8. 4 8 \mathrm{~ k J / k g}
$$ | general_qa | 538 |
The following is a multiple choice question (with answers).
===Question
If nucleosynthesis processes only produced $I^{127}$ and $I^{129}$ abundances at equal rates until time t, after which synthesis stopped, and at time $t_1$ $Xe^{129}$ began accumulating in a specific random medium, what is the relationship for the ... | For $t\ll2\tau$: $Xe^{129}/I^{127} = e^{-t}(1-e^{-t/2})$
For $t\gg2\tau$: $Xe^{129}/I^{127} = e^{-t/\lambda\tau}$ | general_qa | 354 |
The following is a multiple choice question (with answers).
===Question
Kinetic energy of a particle executing SHM changes with time according to following graph mass of the particle is $2\ kg$. Then
===Choices
time period of oscillation is $0.15\ s$
time period of oscillation is $0.14\ s$
amplitude of oscillation is ... | time period of oscillation is $0.1\ s$ | general_qa | 181 |
The following is a multiple choice question (with answers).
===Question
In urban traffic management, what is the core goal of "real-time traffic information system"?
===Choices
Reduce travel delays
Better traffic rule enforcement
Enhance route flexibility options
Increase roadway capacity
Reduce environmental pollutio... | Improve travel experience | general_qa | 82 |
The following is a multiple choice question (with answers).
===Question
Nylon 66 is synthesized from the molar reaction of adipic acid and hexamethylenediamine. Given that the equilibrium constant for the polymerization reaction is $K \!=\! 4 3 2$, calculate how much water content should be controlled in the reaction s... | $$
0. 0 1 0 8 \mathrm{m o l} / \mathrm{L}
$$ | general_qa | 368 |
The following is a multiple choice question (with answers).
===Question
If relation A has m properties, and relation B has n properties, then A × B has ____ properties.
===Choices
m+n+1
m+n
m-n
$m+n×2$
m+n-1
m/n
2m+2n
$m \times n$
$m×n+1$
$m^n$ | m+n | general_qa | 83 |
The following is a multiple choice question (with answers).
===Question
The rules of baseball state that a batter Legally Completes His Time at Bat when he is put out or becomes a base runner. Which situation below is the best example of a batter Legally Completing His Time at Bat?
===Choices
Peter's high pop fly land... | Jared's blooper over the head of the short-stop puts him in scoring position. | general_qa | 220 |
The following is a multiple choice question (with answers).
===Question
Small and medium biogas projects refer to single biogas fermentation volumes of 20-500 cubic meters, or a total volume of biogas projects ranging from 20 to how many cubic meters?
===Choices
1200
700
2500
1000
300
100
3000
800
500
2000 | 1000 | general_qa | 107 |
The following is a multiple choice question (with answers).
===Question
MRI imaging, hepatic lesion target sign refers to().
===Choices
T2-weighted image, medium signal lesion with no obvious central shadow
T2-weighted image, with areas of high signal showing even higher signal intensity.
DWI images show low signal ed... | T2-weighted image, with areas of high signal showing even higher signal intensity. | general_qa | 199 |
The following is a multiple choice question (with answers).
===Question
The structural difference between ursodeoxycholic acid and chenodeoxycholic acid is ().
===Choices
different substituents at position 11
different substitutions at position 7
different optical activity at position 11
different substitutions at pos... | different optical activity at position 7 | general_qa | 108 |
The following is a multiple choice question (with answers).
===Question
When did Radio Television Hong Kong's Fifth Channel officially start broadcasting?
===Choices
1975
1980
1978
1977
1981
1976
1974
1972
1979
1973 | 1978 | general_qa | 79 |
The following is a multiple choice question (with answers).
===Question
The photoelectron spectrum of carbon has three equally sized peaks. What peak is at the lowest energy?
===Choices
The 2s peak has the lowest energy.
The 2p peak has the lowest energy.
The 1p peak has the lowest energy.
The 1s peak has the lowest e... | The 2p peak has the lowest energy. | general_qa | 137 |
The following is a multiple choice question (with answers).
===Question
There is a hybrid: CCDDxccdd. Assuming the two loci are linked and are 20 map units apart. The proportion of the genotype (ccdd) in $\mathbf{F}_{2}$ is ____.
===Choices
10%
16%
5%
14%
25%
12%
22%
20%
8%
18% | 16% | general_qa | 92 |
The following is a multiple choice question (with answers).
===Question
Among the ridge lines, the lower the pass elevation, ____.
===Choices
Embankment passes through the col
The longer the route
The deeper the valley
The windier the conditions
The smaller the average slope
The shorter the route
The wider the ridge
M... | The longer the route | general_qa | 88 |
The following is a multiple choice question (with answers).
===Question
The first tube of cerebrospinal fluid (CSF) collected is used for which of the following tests?
===Choices
Infectious agent screening
Microscopic examination
Jaundice detection test
Hematological profiling
General appearance examination
Chemical a... | Bacterial culture | general_qa | 87 |
The following is a multiple choice question (with answers).
===Question
Given a working wavelength of 8 mm, a rectangular waveguide $(a \times b = 7.112 \times 3.556 \, \mathrm{mm}^2)$ is used for $\mathrm{TE}_{10}$ mode transmission. It is now necessary to convert to $\mathrm{TE}_{01}^{0}$ mode transmission in a circu... | $$
1 7. 3 5 ( \mathrm{m m} ),8.34mm
$$ | general_qa | 433 |
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... | $k_{G}=1.55\times10^{-5}kmol/(m^{2}\cdot s\cdot kPa)$ | general_qa | 525 |
The following is a multiple choice question (with answers).
===Question
Our understanding of marine life has continually expanded with the mastery of navigation and ___ technology.
===Choices
coastal
offshore
underwater
naval
aquatic
submarine
deep-sea
oceanic
fishing
maritime | naval | general_qa | 66 |
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