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
The language in which Pride and Prejudice was written is().
===Choices
A factor of Presentation
An attribute of Expression
A feature of Articulation
An aspect of Discussion
A property of Communication
An indicator of Conversation
A component of Di... | An attribute of Expression | general_qa | 85 |
The following is a multiple choice question (with answers).
===Question
A pendulum of mass $m$ hangs from a support fixed to a trolley. The direction of the string when the trolley rolls up a plane of inclination $\alpha$ with acceleration ${a}_{0}$ is (String and bob remain fixed with respect to trolley)
===Choices
$... | $$\theta= \tan ^{ -1 }{ \left( \cfrac { { a }_{ 0 } + g \sin{ \alpha } }{ g \cos{ \alpha } } \right) }$$ | general_qa | 548 |
The following is a multiple choice question (with answers).
===Question
A finite square grid, each link having resistance $r$, is fitted in a resistance-less conducing circular wire. Determine the equivalent resistance between $A$ and $B$ (in $\Omega$) if $r =(80/7)\Omega$
===Choices
3
7.2
4
7
6
7.5
8
10
5
9 | 6 | general_qa | 93 |
The following is a multiple choice question (with answers).
===Question
What's the aesthetic characteristics of film art?
===Choices
Simplistic and Rigid; Fragmentation and Stagnation; Surrealism and Individuality
Exaggeration and Theatricality; Lack of Depth and Variety; Narrative and Simplification
Comprehensiveness... | Comprehensiveness and Technicality; Formability and Mobility; Realism and Conventionality | general_qa | 213 |
The following is a multiple choice question (with answers).
===Question
In a vacuum container, with the volume of the container remaining constant, the average free path of a small amount of gas molecules ( ) the gas temperature rises.
===Choices
Halves abruptly
Expands slightly
Increases rapidly
Doubles continuously
... | Unchanging | general_qa | 87 |
The following is a multiple choice question (with answers).
===Question
The airflow with stagnation parameters $p_{0}=10.35 \times 10^{5} \, \mathrm{Pa}, \; \; T_{0}=350 \, \mathrm{K}$ enters a converging nozzle with an exit circular cross-section diameter of $d = 15 \, \mathrm{mm}$. What is the mass flow rate of the n... | $$
0. 3 9 5 1 \mathrm{k g} / \mathrm{s}
$$ | general_qa | 389 |
The following is a multiple choice question (with answers).
===Question
h2> drawing ID This molecule function to ______.
===Choices
bind and release G1p and M1s
bind and release C1r and C1s
attach and liberate DNA and RNA particles
link and unfasten H1n and J1m
clamp and unhook P1d and Q1e
grip and relinquish N1
adher... | bind and release C1r and C1s | general_qa | 133 |
The following is a multiple choice question (with answers).
===Question
Pressure $P$, volume $V$ and temperature $T$ of a certain material are related by $P = \dfrac{\alpha T^2}{V}$. Here, $\alpha$ is a constant. The work done by the material when temperature changes from $T_0$ to $2T_0$ while pressure remains constant... | $$\dfrac{3}{2} \alpha T_{0}^{2}$$ | general_qa | 235 |
The following is a multiple choice question (with answers).
===Question
In the ICO, the upper arch is closer to the lingual side of the tooth than the lower arch in a dental relationship that is ( ).
===Choices
anticlinal mastication
transverse dentition
inclined mastication
parallel occlusion
vertical alignment
antic... | anticlinal dentition | general_qa | 92 |
The following is a multiple choice question (with answers).
===Question
If the sensitivity of an HIV blood test (i.e., the probability of testing positive for those who actually have the disease) is 95%, and the accuracy of the test for those who do not have the disease (i.e., the probability of testing negative for th... | The probability of having AIDS given a negative test result is approximately 0.0051% | general_qa | 292 |
The following is a multiple choice question (with answers).
===Question
How many alcohol hydroxyl groups are contained in the glucose group of a cellulose macromolecule?
===Choices
3
6
2
10
7
1
5
9
8
4 | 3 | general_qa | 58 |
The following is a multiple choice question (with answers).
===Question
A teacher is reviewing a classroom assessment administered at the end of a science unit. the teacher notes that a large number of students missed the same three questions on the test. in reflecting on this situation, the teacher should consider whi... | was the content addressed by the three questions taught to students during the unit? | general_qa | 201 |
The following is a multiple choice question (with answers).
===Question
Suppose the rank of $\left( \begin{matrix} {{{a}}} \\ {{{3}}} \\ {{{1}}} \\ \end{matrix} \right), \left( \begin{matrix} {{{2}}} \\ {{{b}}} \\ {{{3}}} \\ \end{matrix} \right), \left( \begin{matrix} {{{1}}} \\ {{{2}}} \\ {{{1}}} \\ \end{matrix} \righ... | $a=2$,$b=5$ | general_qa | 240 |
The following is a multiple choice question (with answers).
===Question
The description of the Mongolian ritual of worshipping heaven, 'When the Yuan dynasty arose in the northern wilderness, there was a tradition of worshipping heaven. Their clothing and headwear were simple and unadorned,' is from which book?
===Cho... | The History of the Yuan Dynasty | general_qa | 123 |
The following is a multiple choice question (with answers).
===Question
A 32 year old female underwent whole-brain irradiation therapy following tumor growth in the brain. Most common hormone deficiency seen after intracranial radiation therapy is:
===Choices
GH
Cortisol
ACTH
Somatostatin
Gonadotropins
Prolactin
Thyro... | Growth hormone | general_qa | 96 |
The following is a multiple choice question (with answers).
===Question
A certain section of water pipe has a diameter $d = 100 \mathrm{mm}$ and a flow velocity $v = 1.0 \mathrm{m/s}$, with a water temperature of 10°C. What is the maximum flow velocity to maintain laminar flow?
===Choices
2.50cm/s
4.20cm/s
1.50cm/s
6.... | 3.01cm/s | general_qa | 147 |
The following is a multiple choice question (with answers).
===Question
What's the full name of the first female Finance Minister in Zambia?
===Choices
Edith Zewelani Nawaki
Edith Zewelani Nawekwi
Edith Zewelani Nawkwi
Edith Zewelani Nawakwa
Edith Nawakwi Zewelani
Edith Nawelani Zewelaki
Edith Zewelani Nawakwi
Edith Z... | Edith Zewelani Nawakwi | general_qa | 129 |
The following is a multiple choice question (with answers).
===Question
As the flat plate keel is a strength member in the bottom structure, along the ship's length its
===Choices
Width remains constant
Both width and thickness remain constant
Thickness remains constant
Both width and thickness vary with position | Width remains constant | general_qa | 61 |
The following is a multiple choice question (with answers).
===Question
During a triaxial shear test, the first specimen experienced failure when the confining pressure was increased to 200 kPa and the vertical pressure was increased to 600 kPa. The second specimen experienced failure when the confining pressure was in... | $$
1 9. 5^{\circ}
$$ | general_qa | 240 |
The following is a multiple choice question (with answers).
===Question
Lithium oxide ($Li_2O$) has an anti-fluorite structure. The ionic radius of a lithium ion is known to be 0.060 nm, and the ionic radius of an oxygen ion is 0.140 nm; the atomic mass of oxygen ($O$) is 16, and the atomic mass of lithium ($Li$) is 6.... | 0.400nm,3.013g/cm³ | general_qa | 284 |
The following is a multiple choice question (with answers).
===Question
The given initial value problem
$$
\left\{\begin{array} {l} {y^{\prime}=ax+b,} \\ {y(0)=0} \\ \end{array} \right.
$$
has the exact solution $y(x)=\frac{a}{2}x^{2}+bx$. Prove that the global truncation error of the approximate solution $y_n$ obtaine... | $$
\varepsilon_{n}= \frac{a} {2} \, h x_{n}
$$ | general_qa | 368 |
The following is a multiple choice question (with answers).
===Question
How much must the pointing angle of a two-element radio interferometer be changed in order to move from one interference maximum to the next? Assume that the two telescopes are separated by the diameter of Earth and that the observation is being ma... | $$
0. 2 1 \ \mathrm{m}
$$
$$
0. 0 0 3 4^{\prime\prime}
$$ | general_qa | 439 |
The following is a multiple choice question (with answers).
===Question
A building has a rectangular foundation, with a length of $3.6 \mathrm{m}$, width of $2.0 \mathrm{m}$, and a burial depth of $1.5 \mathrm{m}$. The load above ground is $N = 900 \mathrm{kN}$. The foundation soil is uniform silty clay with $\gamma = ... | $$
6 7. 5 \mathrm{m m}
$$ | general_qa | 337 |
The following is a multiple choice question (with answers).
===Question
The length of the line is 300 km, $αl=1 8^{\circ}, \, X_{\mathrm{S}} / Z_{\mathrm{C}}=0. 3, P^{*} \,=0. 7, Q^{*} \,=0. 2 2$. After load shedding, $S_{\mathrm{f}}=1. 0 5$. What is the multiplier $K_{2}$ for the voltage rise at the end of the no-load... | $$1.4$$ | general_qa | 195 |
The following is a multiple choice question (with answers).
===Question
Heidegger believes that there are three components of care, each of which produces a considerable degree of anxiety within us. They are ( ).
===Choices
we need to practice
we are nearly entirely thrown into the world
we are partially involved in t... | we are entirely thrown into the world | general_qa | 107 |
The following is a multiple choice question (with answers).
===Question
Microbial diseases in plants can cause dysfunction, metabolic disorder, and lead to a decline in plant viability, even resulting in death or significantly reduced yield. Which fungi are less likely to cause plant diseases?
===Choices
Mold
Nematode... | Actinomycetes | general_qa | 95 |
The following is a multiple choice question (with answers).
===Question
The thylacines, marsupial predators, marsupial gliders, numbat, marsupial moles, and wallabies of Australia are very similar in form and habits to wolves, leopards, flying squirrels, anteaters, moles, and rats of the Eurasian continent, apart from ... | Parallel Evolution | general_qa | 136 |
The following is a multiple choice question (with answers).
===Question
In the pocket, there are 7 white balls and 3 black balls. If you randomly draw two balls.(1) How many white and black balls are there in the pocket?(2) What is the probability of both balls drawn being of the same color?(3) What is the probability ... | 7/12,7/18,1/36 | general_qa | 237 |
The following is a multiple choice question (with answers).
===Question
In the late 1990s, what was an important progress made in the reform of China's military enterprises?
===Choices
Increased the import of defense technology from global suppliers.
The government significantly reduced its investment in military-indu... | Completed the capability structure adjustment for the nuclear industry, aerospace, and aviation sectors. | general_qa | 154 |
The following is a multiple choice question (with answers).
===Question
During compaction in powder metallurgy, the main aim is to________.
===Choices
Maintain elasticity
Foster brittleness
Enhance flexibility
Reduce conductivity
Decrease hardness
Improve porosity
Lower viscosity
Increase density
Optimize malleability... | Increase density | general_qa | 72 |
The following is a multiple choice question (with answers).
===Question
Reduce the following big-O natations $\mathrm{O [ \ a x^{7}+3 \ x^{3}+\operatorname{s i n} ( x ) ]}=$____.
===Choices
$O[\sin(x)]$
$O[x^7+x^3]$
$O[3x^{7}]$
$O[3x^3]$
$O[ax^6]$
$O[x^7]$
$O[x^{3}]$
$O[x^{7} + x^{3} + \sin(x)]$
$O[ax^7 + \sin(x)]$
$O... | $O[x^7]$ | general_qa | 150 |
The following is a multiple choice question (with answers).
===Question
Water flows in a steel pipe with a length of 400 feet, an inner diameter of 8 inches, and a wall thickness of 0.25 inches at a speed of 10 feet per second. If the valve at the end is suddenly partially closed, the speed at this time reduces to 6 fe... | $$
3 1 8 0 0 \mathrm{l b f} / \mathrm{f t}^{2}
$$ | general_qa | 387 |
The following is a multiple choice question (with answers).
===Question
The higher the degree of differentiation of malignant tumor cells, what does it mean?
===Choices
The earlier the transfer,
The lower the life expectancy
The more frequent the relapses
The faster the growth rate
The brighter the color
The smaller t... | The smaller the heterogeneity | general_qa | 95 |
The following is a multiple choice question (with answers).
===Question
Two identical positive point charges $Q$ each fixed at a distance $d = 2a$ apart in air. A point charge $q$ lies at mid-point on the joining the charges. Now $q$ executes simple harmonic motion, if:
(i) $q$ is positive and it is given a small displ... | $$6$$ | general_qa | 177 |
The following is a multiple choice question (with answers).
===Question
According to Chinese laws, which of the following resources may belong to non-public resources?
===Choices
Agricultural resources
Cultural heritage resources
Energy resources
Land resources
Mineral Resources
Air quality resources
Wildlife resource... | Information resources | general_qa | 70 |
The following is a multiple choice question (with answers).
===Question
Which of the following statements about early Judaism is false? You need to include all the wrong options.
I. The Hebrew Bible, though, does not represent every tradition of Judeans. Distinct groups of Judeans thrived in both Mesopotamia and Egypt.... | only IV | general_qa | 290 |
The following is a multiple choice question (with answers).
===Question
On what day, month, and year did Matthew Perry die?
===Choices
28 October 2026
28 October 2023
28 October 2021
28 October 2028
28 October 2020
28 October 2027
28 October 2024
28 October 2022
28 October 2025
28 October 2029 | 28 October 2023 | general_qa | 119 |
The following is a multiple choice question (with answers).
===Question
A quantity of dry $\mathrm{N_{2}}$ is passed slowly through a $5 \%$ solution of chloroform of a nonvolatile substance A and then slowly through a pure chloroform liquid at standard atmosphere. After stopping the aeration the weight loss of the chl... | 353 | general_qa | 170 |
The following is a multiple choice question (with answers).
===Question
Marconi's interest in developing wireless transmission was().
===Choices
Point-to-point communication
Broadcasting live entertainment
General electrical engineering
Expanding printed publications
Increasing telegraph efficiency
Enhancing military ... | Point-to-point communication | general_qa | 75 |
The following is a multiple choice question (with answers).
===Question
To achieve a coherent length of 1m for a helium-neon laser, what should be its monochromaticity $$\Delta\lambda/\lambda$$?
===Choices
$$
1. 2 5 6 {\times} 1 0^{-1 0}
$$
$$
3. 4 5 6 {\times} 1 0^{-9}
$$
$$
9. 0 3 4 {\times} 1 0^{-8}
$$
$$
4. 1 5 0 ... | $$
6. 3 2 8 {\times} 1 0^{-1 0}
$$ | general_qa | 279 |
The following is a multiple choice question (with answers).
===Question
For the process: $ Cu^{2+}+2e^{-}\rightarrow Cu; \ log [Cu^{2+}]$ vs. $ E_{red}$ graph is shown in the figure, where OA = 0.34 V. The electrode potential of the half-cell of $ Cu/Cu^{2+}$ (0.1 M) will be [2.3303 RT/F = 0.06]
===Choices
$$-0.28 V$$... | $$ -0.34+\dfrac{0.0591}{2} V$$ | general_qa | 210 |
The following is a multiple choice question (with answers).
===Question
What is the local name of Allium humile Kunth in Kashmir as mentioned in the article "The local medicinal plant knowledge in Kashmir Western Himalaya: A way to foster ecological transition via community-centred health seeking strategies"?
===Choic... | Mali Da Pyaz | general_qa | 121 |
The following is a multiple choice question (with answers).
===Question
A charge $Q$ is placed at each of two opposite corners of a square. A charge $q$ is laced at each of the two opposite corners of the square. If the resultant electric field on $Q$ is zero, then
===Choices
$$Q=2\sqrt{2}q$$
$$Q=-\cfrac{q}{\sqrt{8}}$... | $$Q=-\cfrac{q}{2\sqrt{2}}$$ | general_qa | 214 |
The following is a multiple choice question (with answers).
===Question
Polymers that undergo thermal degradation only by depolymerization reaction include ().
===Choices
Poly-ethylene terephthalate
Poly-methyl methacrylate
Poly-alpha-methylstyrene
Poly-styrene sulfonate
Poly-ethyl acrylate
Poly-v
Poly-vinyl chloride
... | Poly-alpha-methylstyrene | general_qa | 99 |
The following is a multiple choice question (with answers).
===Question
The coordination number of the central ion is 6 and the concentration of the complex is 0.001 mol/L. Please rank the following solutions in descending order of conductivity (in alphabetical order): a. [CrCl2(NH3)4]Cl b. [Pt(NH3)6]Cl4 c. K3[PtCl6] d... | b > d ≈ c > a | general_qa | 186 |
The following is a multiple choice question (with answers).
===Question
At 21°C and 37°C, $V_{m}$ is $140 \mathrm{n}M \times1^{-1} \times \text{min}^{-1}$ and $400 \mathbf{n}M \times\mathbf{l}^{-1} \times\mathcal{\text{min}}^{-1}$, respectively. Calculate the activation energy and the temperature coefficient $Q_{10}$ b... | 11.828 cal/mol, 1.92 | general_qa | 270 |
The following is a multiple choice question (with answers).
===Question
When determining the pH value of a solution using the electrometric method, the electrode system consists of a glass electrode and a saturated calomel electrode. The glass electrode serves to measure the activity (concentration) of hydrogen ions in... | Indicator electrode | general_qa | 101 |
The following is a multiple choice question (with answers).
===Question
Hump shunting is mainly used () and ().
===Choices
The momentum of the cars, electrical propulsion systems
The gravity of the vehicle itself, the thrust of the locomotive
The mechanical advantage, kinetic energy sources
The pressure of steam engin... | The gravity of the vehicle itself, the thrust of the locomotive | general_qa | 135 |
The following is a multiple choice question (with answers).
===Question
A spherical particle with a diameter of $0.12\mathrm{mm}$ and a density of $2300\mathrm{kg}/\mathrm{m}^{3}$ freely settles in water at $20^{\circ}\mathrm{C}$. Please calculate the distance required for the particle to reach 99% of its settling velo... | $$
6. 7 5 \times1 0^{-5} \, \mathrm{m}
$$ | general_qa | 344 |
The following is a multiple choice question (with answers).
===Question
In what year did Welsh broadcaster Louise Elliott join Jamie Owen as host of a weekday morning show on BBC Radio Wales?
===Choices
2002
2010
2008
2001
2006
2007
2004
2005
2009
2003 | 2007 | general_qa | 89 |
The following is a multiple choice question (with answers).
===Question
Which type of flow is ideal for the design of spillways?
===Choices
Continuous flow
Smooth flow
Transitional flow
Uniform flow
Steady flow
Balanced flow
Laminar flow
Turbulent flow
Static flow
Regular flow | Turbulent flow | general_qa | 67 |
The following is a multiple choice question (with answers).
===Question
In which opera house in the city of Milan did Puccini's opera Madama Butterfly premiere?
===Choices
Teatro alla Scala di Roma
Teatro Regio di Milano
La Scala Opera House
Teatro alla Scala di Firenze
Teatro alla Scala di Napoli
Teatro alla Scala
Te... | La Scala Opera House | general_qa | 106 |
The following is a multiple choice question (with answers).
===Question
A draft for $350 dated October 15 and due in 60 days was discounted on November 12 at 5% with collection fee of (1/5)% . Find the proceeds.
===Choices
$348.50
$346.50
$349.50
$347.74
$347.00
$348.00
$350.00
$346.25
$349.00
$345.00 | $347.74 | general_qa | 140 |
The following is a multiple choice question (with answers).
===Question
The Masson model can be divided into two types: ( ) and ( ).
===Choices
open chain model, closed chain model
single chain model, double chain model
continuous chain model, broken chain model
chain link model, matrix chain model
straight chain mode... | straight chain model, branch chain model | general_qa | 112 |
The following is a multiple choice question (with answers).
===Question
What is the definition of (private archives)?
===Choices
Private archives are records of private conversations held by public figures.
Private archives are historical records kept by museums.
Private archives are digital records accessible only to... | Private archives refer to privately owned archives formed by individuals or private organizations in social activities. | general_qa | 140 |
The following is a multiple choice question (with answers).
===Question
Find the least positive integer $Q$ such that a regular tetrahedron with vertices having integer coordinates can be inscribed within the sphere defined by the equation \[ d^2 + q^2 + p^2 = Q. \]
===Choices
\boxed{7}
\boxed{9}
\boxed{11}
\boxed{6}
... | \boxed{3} | general_qa | 119 |
The following is a multiple choice question (with answers).
===Question
Two aldopentoses A and B give the same osazone derivation. A is oxidised to an optically active aldaric acid by dilute nitric acid. Ruff degradation of B gave a tetrose which was similarly oxidised to an optically active aldaric acid. Assign the st... | $$A=III, B=II$$ | general_qa | 169 |
The following is a multiple choice question (with answers).
===Question
Three-phase half-wave controlled rectifier circuit with back electromotive force load: to ensure continuous current, a reactor with a sufficiently large inductance is connected in series. Given $U_{2} = 100 \, V$, $R_{d} = 1 \, \Omega$, $L_{T} = 1 ... | $$6.7V,44.63A,11.28°$$ | general_qa | 350 |
The following is a multiple choice question (with answers).
===Question
Evaluate $\int\int\int_{E}{\left(x^3+y^3+z^3\right) d V}$, where $E$ is the region defined by:
$$
E = \left\{(x,y,z) | 0 \le x \le 2, 0 \le y \le 2 \cdot x, 0 \le z \le 4-x-y\right\}
$$
===Choices
104/5
108/5
114/5
116/5
112/5
102/5
111/5
110/5
10... | 112/5 | general_qa | 167 |
The following is a multiple choice question (with answers).
===Question
In a one-dimensional lattice with a lattice constant of 2.5 Å, the time required for an electron to move from the bottom of the energy band to the top when subjected to external electric field of $10^2 V/m$ is estimatedly (); the time is estimatedl... | $$
8. 2 7 \times1 0^{-8} \, \mathrm{s}
$$
$$
8. 2 7 \times1 0^{-13} \, \mathrm{s}
$$ | general_qa | 580 |
The following is a multiple choice question (with answers).
===Question
Wahin-Finkelday giant cells in lymphoid tissue are characteristic of which of the following infections?
===Choices
Congenital measles infection
Congenital rubella infection
Measles
Congenital cytomegalovirus infection
Rubella
HIV infection
Mumps | Measles | general_qa | 75 |
The following is a multiple choice question (with answers).
===Question
Different types of plants require varying numbers of days to complete photoperiod induction. Short-day plants such as cocklebur, rice, duckweed, and rapeseed need the minimum number of photoperiods to complete induction. How many photoperiods are r... | 1 | general_qa | 95 |
The following is a multiple choice question (with answers).
===Question
The wave function of the electron in the hydrogen atom is given by $\Psi_{2 1 1}=\frac{1} {8 \sqrt{\pi}} ( \frac{1} {a_{1}} )^{\frac{3} {2}} ( \frac{r} {a_{1}} ) e^{\frac{r} {2a_{1}}} {sin \theta}e^{xp}$, where $a_{1}$ is the first Bohr radius.
Det... | $$
r=4a_{1}
$$ | general_qa | 259 |
The following is a multiple choice question (with answers).
===Question
Naigaidai is an important prehistoric site located in which country?
===Choices
Morocco
Algeria
Libya
Sudan
Jordan
Tunisia
Ethiopia
Egypt | Egypt | general_qa | 57 |
The following is a multiple choice question (with answers).
===Question
For a homogenous gaseous reaction $A \rightarrow 2B$, the initial pressure was $P_0$ while pressure after time $t$ was $P$ and $ P > P_0$. The expression for the rate constant K is
===Choices
$$k=\dfrac{2.303}{t}log\dfrac{2P_0}{2P_0-2P}$$
$$k=\dfr... | $$k=\dfrac{2.303}{t}log\dfrac{2P_0}{2P_0-P}$$ | general_qa | 382 |
The following is a multiple choice question (with answers).
===Question
The figure shows the top view of a uniform solid prism. The sides of the prism are $AB= 4 cm, BC=3cm$ and $AC=5 cm$ the thickness of the prism (perpendicular to the plane of the paper) is $t=1 cm$. The prism is mounted on a frictionless axis passin... | $$\frac{{\sqrt 2 \times {{10}^{ - 2}}}}{\pi }kg{m^2}$$ | general_qa | 478 |
The following is a multiple choice question (with answers).
===Question
A charged particle enters a uniform magnetic field perpendicularly. If the particle's incident speed increases to twice its original value and the magnetic field's magnetic induction strength also doubles, how much does the magnetic flux through th... | 4 times | general_qa | 113 |
The following is a multiple choice question (with answers).
===Question
The electric field intensity at any point on an arbitrary Gaussian surface in an electric field is determined by:
===Choices
all charges in space.
the charges distributed within the Gaussian surface.
the charges distributed both inside and outside... | all charges in space. | general_qa | 216 |
The following is a multiple choice question (with answers).
===Question
Consider a call option on a non-dividend-paying stock. Assume the stock price is $49, the option strike price is $50, the risk-free rate is 5% per annum, the annual volatility of the stock price is 20%, and the option maturity is 20 weeks (0.3846 y... | -4.31 | general_qa | 153 |
The following is a multiple choice question (with answers).
===Question
A draft for $800, due in 3 months and bearing interest at 4(1/2)%, was discounted 60 days before it was due. If the discount rate was 5%, what were the proceeds?
===Choices
$809.00
$795.00
$790.26
$812.34
$800.00
$810.00
$807.50
$805.26
$802.26
$8... | $802.26 | general_qa | 145 |
The following is a multiple choice question (with answers).
===Question
In administrative management, what is the act of examining and evaluating the results of actions?
===Choices
Skill Assessment
Outcome Verification
Attitude Assessment
Procedure Testing
Performance Evaluation
Result Analysis
Activity Monitoring
Exe... | Performance Evaluation | general_qa | 66 |
The following is a multiple choice question (with answers).
===Question
What is the month, day, and year Kaitlin Armstrong pleaded not guilty to the murder charge of Moriah Wilson and was arraigned?
===Choices
July 21, 2025
July 21, 2027
July 21, 2020
July 21, 2026
July 21, 2021
July 21, 2019
July 21, 2024
July 21, 20... | July 21, 2022 | general_qa | 155 |
The following is a multiple choice question (with answers).
===Question
How many times has Auy COONOVER Jr. been nominated for the Academy Award for Best Sound Effects Editing?
===Choices
10
8
3
9
2
7
5
4
6
1 | 4 | general_qa | 60 |
The following is a multiple choice question (with answers).
===Question
Using WMAP values for a universe of matter and radiation, estimate the time interval $\Delta t$ between when recombination began (say, when 99% of the hydrogen atoms were ionized) and when recombination ended (say, when 1% of the hydrogen atoms wer... | $$
1 5 1 \ \mathrm{k y r}
$$ | general_qa | 257 |
The following is a multiple choice question (with answers).
===Question
For a geometrically non-adjustable dual-rotor mixed-flow turbofan engine, when the engine is operating at maximum state, as the flight Mach number increases, if the regulation rule of constant equivalent rotational speed of the low-pressure rotor i... | increases, increases | general_qa | 143 |
The following is a multiple choice question (with answers).
===Question
When a radar detects a cyclone from different azimuths, from the radar center looking outward, where is the outflow (positive radial velocity) always located?
===Choices
To the left
To the edges
To the right
Directly downward
Directly upward
On th... | To the right | general_qa | 86 |
The following is a multiple choice question (with answers).
===Question
Marx and Engels founded scientific socialism, fundamentally surpassing utopian socialism, achieving the great leap from utopia to science in socialism. This surpassing is embodied in
===Choices
Marx's theory of surplus value reveals the opposition... | The materialist conception of history founded by Marx, on the basis of revealing the general laws of human social development and the laws of capitalist development, scientifically proved the historical inevitability of socialism replacing capitalism | general_qa | 389 |
The following is a multiple choice question (with answers).
===Question
The continuous advancement of science and technology and the increasing socialization of production inevitably require the adjustment and transformation of old production relations that are not adapted to the requirements of scientific and technolo... | The emergence of joint-stock companies and the development of share capital | general_qa | 203 |
The following is a multiple choice question (with answers).
===Question
For fluids with different viscosities flowing through circular pipes of different diameters, what happens to their critical Reynolds numbers?
===Choices
They double
They become zero
They are inversely proportional
They converge swiftly
They are th... | They are the same | general_qa | 83 |
The following is a multiple choice question (with answers).
===Question
What is the ChemSpider ID of Sitagliptin, an anti-diabetic medication used to treat Type 2 diabetes?
===Choices
2694137
3571946
2261949
8426317
7351948
5913742
9137426
6482915
3571948
8246317 | 3571948 | general_qa | 121 |
The following is a multiple choice question (with answers).
===Question
In which year was the Simuriçi settlement archaeological site inscribed on the UNESCO World Heritage List?
===Choices
2015
2020
2013
2017
2014
2021
2012
2016
2018
2019 | 2018 | general_qa | 86 |
The following is a multiple choice question (with answers).
===Question
The mutual adaptation between entomophilous flowers and pollinating insects is the result of which type of evolutionary process?
===Choices
Repeated Evolution
Adaptive Speciation
Symbiotic Evolution
Convergent Evolution
Parallel Evolution
Divergen... | Collaborative Evolution | general_qa | 86 |
The following is a multiple choice question (with answers).
===Question
When the counting efficiency is 0.3, the counter can accurately record radioactivity that is 30 pulses/min higher than the background. Based on the detectable amount of radioactivity of the isotope $\mathrm{B i^{2 1 2} ( T h C}$), determine the sen... | $$
3.02 \times 10^{-18} \text{ grams}
$$ | general_qa | 305 |
The following is a multiple choice question (with answers).
===Question
What is the garden known as the "Garden of Ten Thousand Gardens" in China?
===Choices
The West Lake Garden
The Tiger Hill Garden
The Humble Administrator's Garden
The Yuyuan Garden
The Lingering Garden
Zhangjiajie National Forest Park
The Summer P... | Yuanmingyuan | general_qa | 97 |
The following is a multiple choice question (with answers).
===Question
Using a DJ6 optical theodolite to observe a vertical angle, with the left plate reading 76°24'18" and the right plate reading 283°35'48", the vertical angle is ( ).
===Choices
13°34'48"
13°35'48"
13°35'45"
13°35'42"
13°36'05"
13°36'10"
13°35'40"
1... | 13°35'45" | general_qa | 159 |
The following is a multiple choice question (with answers).
===Question
In his spare time, Richard Rusczyk shuffles a standard deck of 52 playing cards. He then turns the cards up one by one from the top of the deck until the third ace appears. If the expected (average) number of cards Richard will turn up is $m/n,$ wh... | 164 | general_qa | 137 |
The following is a multiple choice question (with answers).
===Question
A spaceship traveling at a speed of $v=0.6c$ observes that a soccer match on Earth lasted for 50 minutes. What is the duration of the match as perceived by people on the ground?
===Choices
55 minutes
80 minutes
35 minutes
62.5 minutes
30 minutes
5... | 40 minutes | general_qa | 98 |
The following is a multiple choice question (with answers).
===Question
The gravitational acceleration at location A is $979.442 \mathrm{cm/s^{2}}$, and at location B it is $980.129 \mathrm{cm/s^{2}}$. How many seconds does a pendulum clock that is set for location A gain or lose in 24 hours after being moved to locati... | Gains 30.30 seconds every 24 hours. | general_qa | 248 |
The following is a multiple choice question (with answers).
===Question
When water is transported upward in a large tree, which of the following factors is the most important?
===Choices
Photosynthesis in Leaves
Oxygen supply to the roots
Transpiration of Leaves
Spouting Water
Active Transport in the Xylem
Capillary A... | Transpiration of Leaves | general_qa | 112 |
The following is a multiple choice question (with answers).
===Question
$\triangle ABC$ has $AB=3$ , $BC=2007$ , and $CA=2008$ . Point $E$ is on $AC$ such that $\angle ABE=\angle EBC$ . The parallel to $BC$ through $E$ hits $AB$ at $F$ . If $BE$ hits $CF$ at $D$ , then find $\frac{CD}{DF}$ .
===Choices
671
669.5
670
6... | 670 | general_qa | 163 |
The following is a multiple choice question (with answers).
===Question
The single-phase half-wave controllable rectifier circuit supplies power to inductive load, $L = 20 \, \text{mH}, \, U_{2} = 100 \, \text{V}$, what is the load current $I_{\mathrm{d}}$ when $\alpha = 60^{\circ}$?
===Choices
$12.9A$
$14.6A$
$14.1A$... | $13.7A$ | general_qa | 164 |
The following is a multiple choice question (with answers).
===Question
What are the duration of the sound, the interval time, and the effective sound pressure level of pulse noise?
===Choices
Less than 0.5 seconds; greater than 1 second; variation greater than 40 dB
More than 0.7 seconds; under 2 seconds; fluctuation... | Less than 0.5 seconds; greater than 1 second; variation greater than 40 dB | general_qa | 239 |
The following is a multiple choice question (with answers).
===Question
Which of the following descriptions is correct about the origin and development of the transition from military to civilian?
===Choices
Military-to-civilian conversion ceased to develop after the end of the Cold War.
Civilian adoption of military ... | The transition from military to civilian use is a historical phenomenon that emerged alongside warfare. | general_qa | 191 |
The following is a multiple choice question (with answers).
===Question
Let $f(x) =\frac{2}{x^2 -1}$ . Find the largest positive integer $n$ such that
$$$f(2) + f(3) + ... + f(n) \ge \frac{2006}{1337} - \frac{101}{n} + \frac{99}{n + 1}.$$$
===Choices
516
512
513
517
518
511
510
515
514
519 | 516 | general_qa | 141 |
The following is a multiple choice question (with answers).
===Question
The tensile axis direction of the iron single crystal is [011]. If $\tau_{c} = 33.8 \mathrm{~MPa}$, what stress is required for the material to yield?
===Choices
$$
\approx6 4. 9 \mathrm{M P a}
$$
$$
\approx7 2. 6 \mathrm{M P a}
$$
$$
\approx9 1. ... | $$
\approx8 2. 8 \mathrm{M P a}
$$ | general_qa | 252 |
The following is a multiple choice question (with answers).
===Question
Which of the following organs does not have an excretory function?
===Choices
Gallbladder
Skin
Liver
Lungs
Pancreas
Heart
Stomach
Salivary gland
Spleen
Kidney | Salivary gland | general_qa | 64 |
The following is a multiple choice question (with answers).
===Question
With regard to the legal classification of Roman law, Which of the following categories is based on the scope of application of the law? (Choose the option that includes all the correct categories)\nI.Public law and private law\nII. Human law, mate... | Only III | general_qa | 135 |
The following is a multiple choice question (with answers).
===Question
The measure of dependable or trustworthy evidence refers to _________.
===Choices
Consistency.
Accuracy.
Authenticity.
Accountability.
Sustainability.
Reliability.
Functionality.
Specificity.
Validity. | Reliability. | general_qa | 55 |
The following is a multiple choice question (with answers).
===Question
A mixture of 45 mL of CO, CH4 C2H2, and 100 mL of LO2 is burned completely at 0°C and cooled to its original temperature to a volume of 80 mL. After absorbing the CO with KOH, the volume is reduced to 15 mL. What is the volume of each of the CO, CH... | 10 mL, 15 mL, 20 mL | general_qa | 241 |
The following is a multiple choice question (with answers).
===Question
What day, month, and year was the EP "Dirty Laundry" released by Adore Delano?
===Choices
February 19, 2022
October 19, 2023
November 29, 2022
August 29, 2021
July 9, 2020
December 5, 2020
July 9, 2021
March 1, 2021
October 19, 2020
May 25, 2021 | July 9, 2021 | general_qa | 143 |
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