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
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 \... | $$
| S | \leq1+{\frac{( | G |-| Z |-p )} {2}}
$$ | general_qa | 427 |
The following is a multiple choice question (with answers).
===Question
Which of the following can be used to strengthen the cyanide leaching method commonly used in the industry to extract gold and silver?
===Choices
Reduce the concentration of cyanide
Maintain a constant oxidant concentration
Decrease the pH value t... | Increase the concentration of oxidant | general_qa | 121 |
The following is a multiple choice question (with answers).
===Question
If your living room, having a volume of $6 m \times 6m \times 3m \approx 100 m^{3}$, were perfectly insulated, how much energy would be needed to raise the temperature inside the room from $T_{\mathrm{i n i t i a l}}=0^{\circ} \mathrm{C}$ to $T_{\m... | $$
5 0 8 \ \mathrm{k c a l}
$$ | general_qa | 309 |
The following is a multiple choice question (with answers).
===Question
What are the two types of venomous snake fangs?
===Choices
Hinged fangs and pointed fangs
Curved teeth and solid teeth
Fixed fangs and hollow fangs
Smooth teeth and grooved fangs
Grooved teeth and tube teeth
Barbed fangs and tubular fangs
Short fa... | Grooved teeth and tube teeth | general_qa | 110 |
The following is a multiple choice question (with answers).
===Question
In Problem 21.16, the Poynting-Robertson effect was shown to be important in understanding the dynamics of ring systems. The Poynting-Robertson effect, together with radiation pressure, is also important in clearing the Solar System of dust left be... | $$
-\frac{R^{2} L_{\odot}} {2 m c^{2}} t \mathrm{s u n}.
$$ | general_qa | 494 |
The following is a multiple choice question (with answers).
===Question
Find the value of the integral $\int_{0}^{\pi} \operatorname{tan}(\theta + \mathrm{i} a) \, \mathrm{d}\theta \quad (a$ is a real number and $a \neq 0)$.
===Choices
$$
\pi i
$$
$$
2 \pi i
$$
$$
0
$$
$$
- \pi i
$$
$$
- 2 \pi i
$$
$$
i
$$
$$
\pi
$$
$... | $$
- \pi i
$$ | general_qa | 151 |
The following is a multiple choice question (with answers).
===Question
The figure shows the commonly observed decrease in diameter of a water stream as it falls from a tap. The tap has internal diameter ${ D }_{ 0 }$ and is connected to a large tank of water. The surface of the water is at a height b above the end of ... | $$D=\dfrac { { D }_{ 0 }{ v }_{ 0 } }{ v }$$ | general_qa | 428 |
The following is a multiple choice question (with answers).
===Question
There are two wavelengths, $\lambda_{1}$ and $\lambda_{2}$, which differ by 0.001 Å near 6000 Å. To resolve them using a Fabry-Pérot interferometer, what should the spacing $h$ be? Assume the reflectivity $R = 0.95$, give the lower limit of cavity ... | $$
h \approx2. 9 4 \mathrm{c m}
$$ | general_qa | 287 |
The following is a multiple choice question (with answers).
===Question
The 'antinomy of bourgeois thought' referred to by Lukács is:
===Choices
the contradiction between natural necessity and human free will
the contradiction between the rational capacity to understand the totality of the social and historical contex... | the contradiction between the possibility of the rational formal capacity to grasp the world and the impossibility of a holistic understanding of the given world itself | general_qa | 271 |
The following is a multiple choice question (with answers).
===Question
Unless stimulated by mating, the corpus luteum that is formed is non-functional, meaning it does not have the capability to secrete progesterone, and is referred to as a ______ luteum.
===Choices
dormant corpus
non-functional corpus
non-active cor... | non-functional corpus | general_qa | 96 |
The following is a multiple choice question (with answers).
===Question
A 30 kg box has to move up an inclined slope of $30^\circ$ to horizontal at a uniform velocity of 5 m/sec. If $\mu_k=\dfrac{5}{3\sqrt 3}$, the horizontal force required to move up is $(g=10 m/sec^{2})$
===Choices
$$300 N$$
\dfrac{300 \sqrt{3}}{4} ... | $$300 \times 2 \sqrt{3} N$$ | general_qa | 222 |
The following is a multiple choice question (with answers).
===Question
In the traffic flow model, what term represents "ideal flow"?
===Choices
Free flow
Modulated flow
Controlled flow
Maximum flow
Average flow
Uniform flow
Expected flow
Smooth flow
Allowed flow
Balanced flow | Free flow | general_qa | 62 |
The following is a multiple choice question (with answers).
===Question
a) Calculate heat of dissociation for Acetic acid from the following data:$CH_3COOH + NaOH\longrightarrow CH_3COONa + H_2O .... \Delta H = -13.2 Kcal$$H^{ \oplus } + \overset { \ominus }{ O }H\longrightarrow H_2O; .... \Delta H = -13.7 Kcal$.b) c... | a) $ 0.5\ kcal$ , b)$ 1.43\ cal$ | general_qa | 355 |
The following is a multiple choice question (with answers).
===Question
Which problem does China need to solve first when drawing on modern Western defense economics?
===Choices
Determination of theoretical framework
Application of Research Methods
Selection of Research Content
Integration of technological advancement... | The perspective of the research needs to be adjusted. | general_qa | 91 |
The following is a multiple choice question (with answers).
===Question
In the current Chinese code, bridge design loads are categorized into which types?
===Choices
Basic, alternating, and supplementary loads
Constant, shifting, and emergency forces
Permanent load, variable load, seismic force
Fundamental, dynamic, a... | Permanent, variable and incidental loads | general_qa | 123 |
The following is a multiple choice question (with answers).
===Question
The concept of the "male gaze" originates from ___ film theory.
===Choices
Structuralism
Formalism
Psychoanalysis
Marxism
Pragmatism
Surrealism
Hermeneutics
Ideology
Feminism
Postmodernism | Feminism | general_qa | 73 |
The following is a multiple choice question (with answers).
===Question
The integer 8871870642308873326043363 is the $1 3^{t h}$ power of an integer $n$ . What is $n$ ?
===Choices
115
104
127
83
45
96
139
37
72
58 | 83 | general_qa | 102 |
The following is a multiple choice question (with answers).
===Question
The "deterrence" concept promoted in modern society is the application of the [ ] idea from "The Art of War" by Sun Tzu.
===Choices
attack where they are unprepared, appear where you are not expected
secure victory without engaging in the battle
w... | win without fighting | general_qa | 135 |
The following is a multiple choice question (with answers).
===Question
Which of the following statements shows that human rights have a history in their origins?
===Choices
"The exercise of rights is limited to non-infringement"
"Law is the embodiment of the will of the ruling class"
"Everyone should have the right t... | " Rights can never go beyond the economic structure of society and the cultural development that is conditioned by it" | general_qa | 202 |
The following is a multiple choice question (with answers).
===Question
Who won the best actor award of the first Hundred Flowers Award Award of Popular Film( ).
===Choices
Li Xianglan
Tan Xinpei
Sun Daolin
Ruan Lingyu
Zhou Xuan
Shi Hui
Zhu Yanfang
Cui Wei
Wang Renmei
Zhao Dan | Cui Wei | general_qa | 81 |
The following is a multiple choice question (with answers).
===Question
How many positive integers $N$ satisfy all of the following three conditions? \begin{enumerate} \item[(i)] $N$ is divisible by 2020. \item[(ii)] $N$ has at most 2020 decimal digits. \item[(iii)] The decimal digits of $N$ are a string of consecutive... | 508536 | general_qa | 173 |
The following is a multiple choice question (with answers).
===Question
Consider the gene for vermilion eye color (v) in the fruit fly, Drosophilamelanogaster, to be X-linked and recessive to its wild-type allele (v^+), which produces dull red eye color. The heterogametic sex (XY) in the fruit fly is the male. A female... | Female parent genotype: v^+ v, Male parent genotype: v | general_qa | 310 |
The following is a multiple choice question (with answers).
===Question
In the waters around the Diaoyu Islands in our country, flying fish are abundant. If the environmental carrying capacity for flying fish in this area is 15,000 tons, and the intrinsic growth rate of the flying fish population is 0.04 tons per ton p... | 150 tons | general_qa | 150 |
The following is a multiple choice question (with answers).
===Question
A mobile crane used for repairing street power grids is mounted on a vehicle with a mass of 1 ton. The crane's jib $K$ is installed on rod $L$, which can rotate around a horizontal axis $O$ perpendicular to the plane of the diagram. Initially, the ... | Move 32.7 cm to the right. | general_qa | 286 |
The following is a multiple choice question (with answers).
===Question
For the cell, $Pt | H_2(g) | H^+(aq)|| Cu^{2+} (aq) |Cu(s) ; E^0_{Cu/Cu^{2+}=- 0.34V$
Then calculate approximate value of $K_{eq}$?
===Choices
$$5\times 10^{-12}$$
$$5 \times 10^{10}$$
$$2 \times 10^{12}$$
$$5 \times 10^{14}$$
$$5\times 10^{12}$$
... | $$5\times 10^{12}$$ | general_qa | 207 |
The following is a multiple choice question (with answers).
===Question
The density of stars in a particular globular star cluster is $1 0^{6} ~f\mathrm{p c}^{-3}$. Take the stars to have the same radius as the Sun, and to have an average speed of 10 km $\mathrm{s e c}^{-1}$. Find the mean free path for collisions amon... | $$\simeq6 \times1 0^{1 3} ~\mathrm{y e a r s}$$ | general_qa | 401 |
The following is a multiple choice question (with answers).
===Question
Artists use transparency to ().
===Choices
obscure details in images and confuse elements in a picture.
create contrast in images and separate elements in a picture.
boost saturation of images and fade regions in a picture.
add harmony to images a... | add harmony to images and unite areas in a picture. | general_qa | 142 |
The following is a multiple choice question (with answers).
===Question
A smooth flat plate with a width of 6 inches (150 mm) and a length of 18 inches (500 mm) is placed in a stream of crude oil with a steady flow rate of 2 feet per second (fps) and a temperature of 60°F $(s=0.925)$. Calculate the frictional resistanc... | $$
0. 0 6 6 8 \mathrm{lb f}
$$ | general_qa | 299 |
The following is a multiple choice question (with answers).
===Question
A falling ball viscometer consists of a steel ball and a glass tube. The liquid to be tested is filled into the glass tube, and the time taken for the ball to fall a certain distance is recorded to calculate the viscosity of the liquid. It is known... | $
16.35 Pa·s
$ | general_qa | 265 |
The following is a multiple choice question (with answers).
===Question
The frequency of artificial respiration is _____ times per minute.
===Choices
10-14
18-22
13-17
12-16
15-21
20-25
11-15
19-23
16-20
14-18 | 12-16 | general_qa | 88 |
The following is a multiple choice question (with answers).
===Question
In 1597, the ________ with a script by Rinuccini and music by Peri was performed. Since only fragments of the score of this work remain, people usually regard the ________ performed in 1600, which is complete and written by Rinuccini and composed b... | Daphne, Eurydice | general_qa | 162 |
The following is a multiple choice question (with answers).
===Question
Find the pressure represented by a column of
5 cm of oil of relative density 0.75.
===Choices
$$
2 3 4. 5 6 \, \mathrm{N / m}^{2}
$$
$$
3 6 7. 1 3 \, \mathrm{N / m}^{2}
$$
$$
4 1 2. 0 0 \, \mathrm{N / m}^{2}
$$
$$
4 4 7. 8 9 \, \mathrm{N / m}^{2}
... | $$
3 6 7. 1 3 \, \mathrm{N / m}^{2}
$$ | general_qa | 298 |
The following is a multiple choice question (with answers).
===Question
The continuous distillation column separates a certain binary mixture. With bubble point feed, its concentration is 0.35 (mole fraction, the same hereinafter). The column top uses a total condenser, ultimately achieving a top product concentration ... | 0.35 | general_qa | 165 |
The following is a multiple choice question (with answers).
===Question
$Co|{ Co }^{ 2+ }({ C }_{ 2 })\parallel { Co }^{ 2+ }({ C }_{ 1 })|Co$ for this cell, $\triangle$G is negative if :
===Choices
$C_2$ > $2C_1$
$C_1$ < $C_2$
$C_1$ = $C_2$
unpredictable
C_1 = 2C_2
$C_1$ > $C_2$
$C_2$ = 2$C_1$ | $C_1$ > $C_2$ | general_qa | 139 |
The following is a multiple choice question (with answers).
===Question
A 20-meter-long aluminum rod with a diameter of $14.0 \mathrm{~mm}$ is drawn through a die with an aperture of $12.7 \mathrm{~mm}$. What is the engineering line strain and true strain on this aluminum rod?
===Choices
${16.7} \%,$ ${15.5} \%$
${18.... | ${21.5} \%,$
${19.47} \%$ | general_qa | 237 |
The following is a multiple choice question (with answers).
===Question
Estimate the minimum size of a crater on the Moon that can be resolved by a 20-cm (8-in) telescope.
===Choices
$$
1. 6 ~ \mathrm{k m}
$$
$$
1. 1 ~ \mathrm{k m}
$$
$$
1. 10 ~ \mathrm{k m}
$$
$$
1. 12 ~ \mathrm{k m}
$$
$$
1. 2 ~ \mathrm{k m}
$$
$$
1... | $$
1. 3 ~ \mathrm{k m}
$$ | general_qa | 186 |
The following is a multiple choice question (with answers).
===Question
An accurate pendulum clock is mounted on the ground floor of a high building. How much time will it lose or gain in one day if it transferred to top storey of a building which is $h = 200\ m$ higher than the ground floor. Radius of earth is $6.4\ti... | It will gain $5.2\ s$ | general_qa | 191 |
The following is a multiple choice question (with answers).
===Question
What idea of Sun Tzu's Art of War is reflected in Liu Bei and Kong Ming's "Longzhong Pairing" in the Chinese masterpiece Romance of the Three Kingdoms?
===Choices
Calculation in the temple
Secrecy in negotiations
Achieving victory beforehand
Strat... | Calculation in the temple | general_qa | 111 |
The following is a multiple choice question (with answers).
===Question
Consider three identical massless spring.The left end of the first,Second and the spring are affixed to a wall, to a block of mass m placed on a horizontal floor (not frictionless) and to a block of mass m placed on a horizontal frictionless floor ... | $$ x_1 = x_2 = x_3 $$ | general_qa | 242 |
The following is a multiple choice question (with answers).
===Question
12-year-old female, accidentally fell and fell to sit, knocked over the hands of the hot liquid resulting in double buttock burns, self-consciousness of severe pain in the buttocks, did not do any treatment emergency admissions, the examination of ... | 6% superficial II | general_qa | 165 |
The following is a multiple choice question (with answers).
===Question
What is the atomic number of the anode target material of the X-ray tube if the wavelength of the emitted Kα line is 0.071 nm?
===Choices
43
48
44
39
46
38
47
40
42
45 | 42 | general_qa | 80 |
The following is a multiple choice question (with answers).
===Question
The address is () after compiling the link.
===Choices
Relative Address
Offset Address
Base Site
Segment address
Effective Address
Virtual Address
Absolute address
Logical address
Physical Address
Linear address | Virtual Address | general_qa | 55 |
The following is a multiple choice question (with answers).
===Question
Magnesium (Mg) has an HCP crystal structure and a density of $1.7 4g/cm^{3}$. What is the volume of its unit cell in cubic centimeters?
===Choices
$$
1. 3 9 \times1 0^{-2 8} \mathrm{~ m^3 / u n i t ~ c e l l}
$$
$$ 5. 6 4 \times 10^{-27} \mathrm{~... | $$
1. 3 9 \times1 0^{-2 8} \mathrm{~ m^3 / u n i t ~ c e l l}
$$ | general_qa | 374 |
The following is a multiple choice question (with answers).
===Question
A 76-year-old woman is brought to the physician by her daughter for evaluation of progressive cognitive decline and a 1-year history of incontinence. She was diagnosed with dementia, Alzheimer type, 5 years ago. The daughter has noticed that in the... | Home hospice care | general_qa | 428 |
The following is a multiple choice question (with answers).
===Question
The main factor that determines the alkaline process for producing alumina is ().
===Choices
aluminum processing speed
aluminum-silicon ratio
impurity types
silicon carbide presence
silicon oxide content
silicon dioxide amount
aluminum extraction ... | aluminum-silicon ratio | general_qa | 83 |
The following is a multiple choice question (with answers).
===Question
What compilation did Machine Girl release in 2015?
===Choices
Phantom Tracks (2015 Deluxe)
Phantom Tracks (2015 Reissue)
Phantom Tracks
Phantom Tracks (2014)
Phantom Tracks (2015)
Phantom Tracks (2015 Remastered)
Phantom Tracks (2015 Edition)
Phan... | Phantom Tracks | general_qa | 117 |
The following is a multiple choice question (with answers).
===Question
In an asynchronous serial transmission system, the character format is: 1 start bit, 8 data bits, 1 parity bit, and 2 stop bits. If it requires transmitting 120 characters per second, calculate the bit rate for transmission is ().
===Choices
1080b... | 960bps | general_qa | 125 |
The following is a multiple choice question (with answers).
===Question
Which of the following judgments about the nature and types of conflict-of-law rules is correct?
===Choices
Article 182 of China's Contract Law: 'Employment contracts executed within China's borders adhere strictly to domestic labor laws' is an ex... | Article 185 of China's Civil Aviation Law: 'The acquisition, transfer, and termination of ownership of civil aircraft are governed by the law of the country where the civil aircraft is registered' is an example of bilateral conflict-of-law rules. | general_qa | 506 |
The following is a multiple choice question (with answers).
===Question
Citizen A of Country A (male) and Citizen B of Country B (female) were married in Country B and later moved to Country C. After 10 years, A died in Country C. His children from a previous marriage filed a lawsuit in a court in Country C to claim A'... | Refoulement | general_qa | 207 |
The following is a multiple choice question (with answers).
===Question
The pH value of general injections should be ?
===Choices
5~9
5~10
4~10
5~8
6~11
4~9
7~12
3~9
3~10
2~8 | 4~9 | general_qa | 70 |
The following is a multiple choice question (with answers).
===Question
What distinguishes tapeworms from flukes?
===Choices
They produce only one type of specialized larval stage.
All species are free-living in aquatic environments.
The adults reproduce exclusively through external fertilization.
Degeneration of the ... | The larvae all live parasitically. | general_qa | 118 |
The following is a multiple choice question (with answers).
===Question
By 1913, how many stars could astronomer Annie Jump Cannon classify per hour?
===Choices
225
180
175
230
160
150
190
200
210
240 | 200 | general_qa | 76 |
The following is a multiple choice question (with answers).
===Question
The reason anaerobic bacteria cannot grow in an oxygen-rich environment:
===Choices
Lack of a complete electron transport pathway
Lack of cell wall
Structure is too simple
Lack of a complete respiratory enzyme chain
Lack of a complete respiratory ... | Lack of a complete respiratory enzyme system | general_qa | 108 |
The following is a multiple choice question (with answers).
===Question
The physical reason why the target strength might be positive is __________.
===Choices
extensive wave attenuation
low transmission efficiency
minimal surface reflection
large scattering cross-section
high sound speed difference
broad frequency ba... | large scattering cross-section | general_qa | 77 |
The following is a multiple choice question (with answers).
===Question
The hallmark of the emergence of institutionalized education is ______.
===Choices
the realization of lifelong education
the onset of vocational training centers
the rise of localized community schools
the incorporation of digital classrooms
the i... | the realization of lifelong education | general_qa | 97 |
The following is a multiple choice question (with answers).
===Question
In a cold storage facility, there are ten 100-watt light bulbs and two 2-kilowatt ventilators (assuming a motor efficiency of 0.85). If the light bulbs are used for 3 hours per day and the ventilators are used for 20 hours per day, what is the refr... | 4.04 | general_qa | 152 |
The following is a multiple choice question (with answers).
===Question
When the air temperature is $-\theta^{\circ}C$, the ice on a large shallow lake increases by $x\ m$ in $t$ seconds. The thermal conductivity of ice is:
(Density of ice $= \rho kg\ m^{-3}$ and $L =$ Latent heat in $J\ k$).
===Choices
$$\dfrac{5\rho... | $$\dfrac {\rho Lx^{2}}{2\theta t}$$ | general_qa | 279 |
The following is a multiple choice question (with answers).
===Question
Ram and Ali have been fast friends since childhood. Ali neglected studies and now has no means to earn money other than a camel whereas Ram has become an engineer. Now both are working in the same factory. Ali uses camel to transport the load withi... | 5 : 3 | general_qa | 386 |
The following is a multiple choice question (with answers).
===Question
Two particle each of mass $'m'$ are placed at A and C are such $AB=BC=L.$. The gravitational force on the third particle placed at D at a distance Lon the perpendicular bisector of the line AC is
===Choices
$$\cfrac{{G{m^2}}}{{3\sqrt 2 {L^2}}}\,al... | $$\cfrac{{G{m^2}}}{{\sqrt 2 {L^2}}}\,along\,DB$$ | general_qa | 343 |
The following is a multiple choice question (with answers).
===Question
In a 16-color image, there are 16 colors to be represented, and what are the 16 colors to be represented?
===Choices
10-bit binary number
24-bit binary number
12-bit binary number
20-bit binary number
6-bit binary number
8-bit binary number
14-bit... | 4-bit binary number | general_qa | 102 |
The following is a multiple choice question (with answers).
===Question
Electrode reaction $0+n e \xlongequal{} \mathbb{}$R at 20°C has an exchange current density of $1 \times 10^{-9} \mathrm{A/cm^{2}}$. When the cathodic overpotential is 0.556 $\mathbf{V}$, the cathodic current density is 1 A/cm$^{2ff}$. Assuming the... | $$
= 0. 9 4
$$ | general_qa | 257 |
The following is a multiple choice question (with answers).
===Question
The personal rate of return on education investment is usually higher than ().
===Choices
market interest rate
annual inflation rate
consumer price index
profit rate
bank prime rate
national unemployment rate
federal reserve rate
economic growth r... | market interest rate | general_qa | 71 |
The following is a multiple choice question (with answers).
===Question
What is the term for a fruit that develops from a single ovary and has multiple seeds, such as a tomato?
===Choices
Simple seed
Simple fruit
Aggregate fruit
Multiseed berry
Singular drupe
Basic seedpod
Complex berry
Unified follicle
Singular seedl... | Simple fruit | general_qa | 78 |
The following is a multiple choice question (with answers).
===Question
Let $X(t)$ be a Poisson process, and a new stochastic process $Y(t)$ is constructed as follows:
$$
Y(0)=0, \quad Y(t)=\sum_{n=1}^{X(t)} Z_{n}
$$
where $Z_n$ is a set of independent and identically distributed random variables, which are independent... | $$\phi_{Y}(v)=\mathrm{e}^{-\lambda t\left[\phi_{2}(n)-1\right]}
$$ | general_qa | 426 |
The following is a multiple choice question (with answers).
===Question
All of the following statements about Library of Congress Classification are correct
I. The LCC system, developed between 1898 and 1910, uses 21 classes (A-Z), optimizing automated libraries for resource categorization.
II. The LCC system helps aut... | I) III) V) VII) X) | general_qa | 341 |
The following is a multiple choice question (with answers).
===Question
To neutralize 25.00 ml of a purified weak acid solution with unknown composition, 44.60 ml of 0.1050 mol/L standard $\mathrm{NaOH}$ is required. An equal amount of base is added to 50.00 ml of this weak acid to form a buffer solution. To determine ... | 6.77 | general_qa | 238 |
The following is a multiple choice question (with answers).
===Question
Find the volume of the solid that lies under the double cone $z^2 = 4 \cdot x^2 + 4 \cdot y^2$, inside the cylinder $x^2 + y^2 = x$, and above the plane $z = 0$.
===Choices
10/18
6/9
18/9
16/9
14/9
12/9
10/9
8/9
4/9
2/9 | 8/9 | general_qa | 121 |
The following is a multiple choice question (with answers).
===Question
What is a "whole tone scale"?
===Choices
a scale using a mix of whole and half steps
a scale that includes seven natural tones
a scale consisting of only diminished intervals
a scale that repeats every five notes
a scale that excludes minor second... | a scale that contains all twelve semitones | general_qa | 114 |
The following is a multiple choice question (with answers).
===Question
Explain the process of archive formation: ().
===Choices
The formation process of archives is primarily about translating documents into multiple languages.
The formation process of archives is about analyzing documents for data extraction.
The fo... | The formation process of archives refers to the process of various forms of documents from being produced to being formally preserved as archives and playing the role of archives. | general_qa | 197 |
The following is a multiple choice question (with answers).
===Question
To determine the $\mathbf{C} \mathbf{a}^{2+}$ in blood, $\mathbf{C a}^{2+}$ is often precipitated as $\mathrm{CaC_{2}O_{4}}$. The $\mathrm{CaC_{2}O_{4}}$ is then dissolved in $\mathrm{H_{2}SO_{4}}$ and titrated with a $\mathrm{KMnO}_{4}$ standard s... | $$
1 0. 2 2 \mathrm{m g}
$$ | general_qa | 406 |
The following is a multiple choice question (with answers).
===Question
Indicate the equilibrium equation and constant expression for theautoprotolysisof liquid ammonia. If KNH_3 = 10^-22 , how many molecules of ammonia are ionized in 1 mole of ammonia? Assume a density of 0.771g/ml for ammonia.
===Choices
8.99 × 10^1... | 2.66 × 10^11 molecules | general_qa | 200 |
The following is a multiple choice question (with answers).
===Question
During the adiabatic change of ideal gas, the relation between the pressure ad the density will be-
===Choices
$$\dfrac{P_1}{P_2}=(\dfrac{d_2}{d_1})^\dfrac{y}{1}$$
\(\dfrac{P_1}{P_2}=(\dfrac{d_1}{d_2})^\dfrac{y}{1} \)
$$\dfrac{P_1}{P_2}=(\dfrac{d_... | $$\dfrac{P_1}{P_2}=(\dfrac{d_2}{d_1})^\dfrac{1}{y}$$ | general_qa | 367 |
The following is a multiple choice question (with answers).
===Question
The comprehensive evaluation result is not a simple sum of each index value, and needs to be processed according to (), its mathematical method is ().
===Choices
Specific numerical formulas, calculation techniques
Different analytical approaches, ... | Certain mathematical methods, evaluation models | general_qa | 118 |
The following is a multiple choice question (with answers).
===Question
After a male bee and a female bee mate, the F1 offspring of the male bees have four genotypes: AB, Ab, aB, and ab; the female bees have three genotypes: Aabb, aaBb, and aabb. What are the genotypes of the parents?
===Choices
AaBbXab
aabbXAa
AabbXa... | AaBbXab | general_qa | 138 |
The following is a multiple choice question (with answers).
===Question
A rectangular waveguide filled with air has cross-sectional dimensions of $a \times b$, where $b < a < 2b$. Due to significant losses near the cutoff frequency, the lower working frequency is typically set to be 1.25 times the cutoff frequency, and... | $$
9. 8 3 ( \mathbf{W} )
$$ | general_qa | 356 |
The following is a multiple choice question (with answers).
===Question
When the supply voltage $V_s$ is connected across the potentiometer we will need to safeguard it and the wiring against possible high currents and so a resistance $R_s$ can be put in series with the potentiometer $R_p$. For an angle $θ$ with a pote... | $V_s \times \frac{R_p}{R_s+R_p} \times (θ/θ_F)$ | general_qa | 258 |
The following is a multiple choice question (with answers).
===Question
In anthropological research, what is the term for the practice of immersing oneself in a community to better understand its culture and practices?
===Choices
Social exploration
Community immersion
Cultural dive
Field immersion
Cultural immersion
C... | Fieldwork | general_qa | 78 |
The following is a multiple choice question (with answers).
===Question
Explain the content of information management from a humanistic perspective: ().
===Choices
examine the role of artificial intelligence in automating information processes.
investigate the legal frameworks governing data privacy and protection.
ex... | study the influence and construction of moral, ethical and cultural factors in information flow control. | general_qa | 144 |
The following is a multiple choice question (with answers).
===Question
From the perspective of Marxism, what is the essence of human beings in their reality?
===Choices
the sum total of all economic and social relations
eating when hungry and drinking when thirsty, clothing, food, housing, and transportation
the sum ... | the sum total of all social relations | general_qa | 123 |
The following is a multiple choice question (with answers).
===Question
The velocity vector of a particle moving in the xy plane is given by v=ti +xj. If initially , the particle was at origin then the equation of trajectory of the projectile is:
===Choices
9x^3 - 16y^2 = 0
$4x^2-9y$=0
$16x^2-9y^3$=0
$9x^2-16y^3$=0
16... | $16x^3- 9y^2$=0 | general_qa | 200 |
The following is a multiple choice question (with answers).
===Question
Which of the following movies is a work by French director Louis Malle?
===Choices
La Dolce Vita
Hiroshima Mon Amour
The Third Man
Lawrence of Arabia
Some Like It Hot
Chinatown
The Deer Hunter
On the Waterfront
Sunset Boulevard
Vertigo | Hiroshima Mon Amour | general_qa | 77 |
The following is a multiple choice question (with answers).
===Question
A metal plate of area $1\times { 10 }^{ -4 }{ m }^{ 2 }$ is illuminated by a radiation of intensity 16 m $W/{ m }^{ 2 }.$ The work function of the metal is 5 eV. The energy of the incident photons is 10 eV and only 10% of it produces photo electro... | $${ 10 }^{ 12 } and\ 5eV$$ | general_qa | 336 |
The following is a multiple choice question (with answers).
===Question
What are the conditions for the isobaric surface to be horizontal in a stationary liquid under the action of gravity?
===Choices
Interconnected with each other
Different gases, interconnected
The same liquid
No liquids, just solid materials
The sa... | The same liquid, interconnected | general_qa | 96 |
The following is a multiple choice question (with answers).
===Question
The potential energy $U$ of a body of unit mass moving in one dimensional conservative force field is given by $U=x^{2}-4x+3$. All units are in $SI$. For this situation mark out correct statement (s).
===Choices
If speed of the body at equilibrium... | If speed of the body at equilibrium position is $4\ m/s$, then the amplitude of oscillation would be $2\sqrt{2}m$. | general_qa | 340 |
The following is a multiple choice question (with answers).
===Question
When the signal frequency is equal to the low cutoff frequency $f_{\mathrm{L}}$ or the high cutoff frequency $f_{\mathrm{H}}$ of an amplifier circuit, the amplification factor decreases to approximately ( ) of its mid-frequency value.
===Choices
0... | 0.7 times | general_qa | 115 |
The following is a multiple choice question (with answers).
===Question
To increase the transmitted light intensity of a camera lens, a thin film of a medium is often coated on the lens. Assume that the refractive index of the medium is $n$, which is less than that of the lens glass. When light of wavelength $\lambda$ ... | $\frac{\lambda}{4n}$ | general_qa | 178 |
The following is a multiple choice question (with answers).
===Question
In the coordination of integrated education personnel for preschool special needs children, () play a key role.
===Choices
Elementary school teachers
Local government officials
Child daycare providers
Correctional professionals
Parents
Preschool a... | Correctional professionals | general_qa | 79 |
The following is a multiple choice question (with answers).
===Question
Let $\mathbb{P}^{5}$ be the projective space of homogeneous quadratic polynomials $F ( X, Y, Z )$ over $\mathbb{C}$ , and let $\Phi\subset\mathbb{P}^{5}$ be the set of those polynomials that are products of linear factors. Similarly, let $\mathbb{P... | (a)$\dim\Phi=4,\dim\Psi=6$.\
(b)$\Phi=3,\Psi=15$. | general_qa | 467 |
The following is a multiple choice question (with answers).
===Question
In $\Delta G=-177$ K cal for
$(1)$ $2 Fe(s)+\dfrac{3}{2}O_2(g)\rightarrow Fe_2O_3(s)$ and $\Delta G=-19$K cal for
$(2)$ $4 Fe_2O_3(s)+Fe(s)\rightarrow 3Fe_3O_4(s)$
What is the Gibbs free energy of formation of $Fe_3O_4$?
===Choices
$$-243.3\dfrac{... | $$-727\dfrac{kcal}{mol}$$ | general_qa | 259 |
The following is a multiple choice question (with answers).
===Question
Irradiate the $Cs_{2}$ target with a Ra-Be neutron source to prepare $P^{32}$ via the reaction $S^{32}$(n,p)$P^{32}$. If the irradiation lasts for 10 hours and the neutron flux is $n_{0}$ = 1.8×10$^{13}$ neutrons/min, with an effective neutron capt... | 1.3 $\cdot 10^{11}$ beta particles/minute | general_qa | 330 |
The following is a multiple choice question (with answers).
===Question
There is a step-index optical fiber with a core diameter of $2a \equiv 50 \ \mu\mathrm{m}$, $n_{1} = 1.48$, $n_{2} = 1.46$, and an operating wavelength of $0.82 \ \mu\mathrm{m}$. How many modes can be transmitted in the optical fiber? When $\lambda... | 1078;
429 | general_qa | 212 |
The following is a multiple choice question (with answers).
===Question
In today's era of social culture and big data analytics, almost every application and product is linked to social networks or massive user data. If you are planning to develop a complete social networking application that can support more than 100,... | Mongo + Redis | general_qa | 137 |
The following is a multiple choice question (with answers).
===Question
The Chinese 'Methods for Bidding and Tendering of Construction Projects' stipulates that projects that should be publicly tendered by law include ( ).
===Choices
Projects involving national security, state secrets, or disaster relief.
National key... | National key projects determined by the State Council's development planning department. | general_qa | 216 |
The following is a multiple choice question (with answers).
===Question
A thin straight vertical conductor has $10 amp$ current flows vertically upwards. it is present at a place where $B_H = 4 \times 10^{-6}\ T$. Arrange the net magnetic induction at the following points in descending order.(a) at $0.5m$ on south of c... | $$b, a, d, c$$ | general_qa | 217 |
The following is a multiple choice question (with answers).
===Question
An electron in hydrogen atom after absorbing energy photons can jump between energy states $n_{1}$ and $n_{2}(n_{2} > n_{1})$. Then it may return to ground state after emitting six different wavelengths is emission spectrum. The energy of emitted p... | $$n_{2} = 4, n_{1} = 3$$ | general_qa | 250 |
The following is a multiple choice question (with answers).
===Question
In Anxi tea art, "floating clouds and flowing water" refers to ____.
===Choices
Place a lid over the cup to trap all of the steam inside.
Shake the bowl gently to blend the mixture thoroughly.
Add a spoonful of salt to enhance the flavor profile.
... | Scrape off the remaining water at the bottom of the bowl. | general_qa | 153 |
The following is a multiple choice question (with answers).
===Question
$A$ , $B$ , and $C$ are chosen randomly on a unit circle. Let $H$ be the orthocenter of triangle $ABC$ , and let region $R$ be the locus of $H$ . The area of region $R$ can be expressed as $n\pi$ , for some integer $n$ . Compute $n$ .
===Choices
6... | 9 | general_qa | 111 |
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 great... | $$
{\frac{\pi} {3}}, 0
$$ | general_qa | 257 |
The following is a multiple choice question (with answers).
===Question
What is the abbreviation for the Sculptor constellation?
===Choices
For the Sculptor constellation, the abbreviation is 'Scul'.
For the Sculptor constellation, the abbreviation is 'Scto'.
For the Sculptor constellation, the abbreviation is 'Sculp'... | For the Sculptor constellation, the abbreviation is 'Scl'. | general_qa | 169 |
The following is a multiple choice question (with answers).
===Question
What month, day, and year did President Sukarno deliver his "To Build the World Anew" speech?
===Choices
October 1st, 1960
September 30th, 1962
September 30th, 1966
September 30th, 1963
October 30th, 1960
September 30th, 1960
September 30th, 1964
... | September 30th, 1960 | general_qa | 159 |
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