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
Find the minimum load resistance which can be used for the zener diode as shown in figure. Given, $V_Z=10 V, R_Z=0 \Omega, R=450 \Omega, I_Z(min)=2 mA $ and $I_Z(max)=60 mA$
===Choices
$$333.3 \Omega$$
$$318.0 \Omega$$
$$0 \Omega$$
$$322.5 \Omega... | $$319.5 \Omega$$ | general_qa | 169 |
The following is a multiple choice question (with answers).
===Question
Which part of the betel nut is used for medicinal purposes?
===Choices
Green Seeds
Mature Fruit Peel
Immature Seeds
Mature Seeds
Unripe Seeds
Fresh Fruit Peel
Unripe fruit peel
Ripe Fruit Peel
Dried Seeds
Immature Fruit Peel | Mature Seeds | general_qa | 72 |
The following is a multiple choice question (with answers).
===Question
What is the most unfavorable meteorological condition for the formation of smoke-type air pollution?
===Choices
Thick fog
Strong sunlight
High wind speeds
Clear skies
Temperature inversion
Low atmospheric pressure
Low temperatures
Heavy rain
High ... | Temperature inversion | general_qa | 66 |
The following is a multiple choice question (with answers).
===Question
When you are assigned to select packaging materials, which of these factors will you consider?
===Choices
distribution
appearance
reliability
vibration
abundance
speculation
coloration
deprecation
composition | reliability | general_qa | 58 |
The following is a multiple choice question (with answers).
===Question
Given a system of molecules at $T=3 0 0 \, \mathrm{K}, \, q=1 \times1 0^{3 0}$ , and $\Delta U=3 7 4 0 \mathrm{~ J}$
$\mathrm{m o l}^{-1}$.What is the molar entropy if the molecules are distinguishable?
===Choices
$$
5 8 3. 2 ~ {\frac{\mathrm{J}} ... | $$
5 8 6. 8 ~ {\frac{\mathrm{J}} {\mathrm{K ~ m o l}}}
$$ | general_qa | 396 |
The following is a multiple choice question (with answers).
===Question
During the operation of a rice transplanter, the trajectory of the seedling claw tip shows that the ( ) is the uncontrolled phase.
===Choices
Return phase
Reset phase
Transport phase
Planting phase
Claw descend phase
Transition phase
Claw lift pha... | Transport phase | general_qa | 84 |
The following is a multiple choice question (with answers).
===Question
A was declared missing by the court, and his wife B was appointed as the property manager of A. Three months later, B sold the jointly owned house registered in her name to C, delivered it, and completed the transfer registration. During this proce... | C cannot acquire the ownership of the house in good faith, A has the right to request return | general_qa | 385 |
The following is a multiple choice question (with answers).
===Question
Scanning imaging refers to the process of using sensing elements and a scanning mirror to sample the target object point by point and line by line within an instantaneous field of view, in order to acquire information about the ________ characteris... | electromagnetic radiation | general_qa | 115 |
The following is a multiple choice question (with answers).
===Question
Is the uniform state in equilibrium? Is the equilibrium state a uniform state?
===Choices
Not necessarily, definitely
Always/always
Rarely/if ever
Often/often
Definitely, definitely
Frequently/always
Seldom/usually
Definitely, not necessarily
Poss... | Definitely, not necessarily | general_qa | 81 |
The following is a multiple choice question (with answers).
===Question
This question refers to the following information.
Oh, shame on you, poor Winter King!
What's this that you have done?
Is 't not a very naughty thing
To snatch the kaiser's crown?
Now you will have to stay away
Alike from Rhine and Prague,
And more... | These are lands that the Winter King lost in battle. | general_qa | 311 |
The following is a multiple choice question (with answers).
===Question
The basic concepts of curriculum objectives include ().I. Developing curriculum based on social needsII. Developing curriculum based on learner needsIII. Developing curriculum based on social environmental influencesIV. Determining curriculum objec... | I,II,III,IV | general_qa | 132 |
The following is a multiple choice question (with answers).
===Question
Magnetic moments of $V (Z = 23), Cr(Z = 24)$ and $Mn(Z = 25)$ are $x, y, z$. Hence
===Choices
$$x = y = z$$
x < z < y
z < x < y
z < x = y
$$x < y =z$$
z = y < x
$$z < y < x$$ | $$x < y =z$$ | general_qa | 104 |
The following is a multiple choice question (with answers).
===Question
Who was the first to openly criticize the cruelty of the landowning class and speak up for the peasants in Russian literature?
===Choices
Sumarokov
Khraskov
Kantemir
Pushkin | Kantemir | general_qa | 59 |
The following is a multiple choice question (with answers).
===Question
When titrating Bi3+ with EDTA at pH=1, the product is ()
===Choices
BiH8Y
BiY
BiH6Y
BiH4Y
BiH1Y
BiH2Y
BiH5Y
BiH3Y
BiH7Y
BiH4Y and BiH5Y coexist | BiY | general_qa | 89 |
The following is a multiple choice question (with answers).
===Question
The type of metamorphosis is one of the bases for insect classification, and the names of insects differ in various stages of metamorphosis depending on the type. A nymph is the larva of which type of metamorphosis?
===Choices
No perversion.
Regre... | Gradual metamorphosis | general_qa | 118 |
The following is a multiple choice question (with answers).
===Question
In what year did Henry Petty, 1st Earl of Shelburne, succeed his elder brother to the family estates?
===Choices
1691
1692
1700
1694
1693
1697
1698
1695
1696
1699 | 1696 | general_qa | 91 |
The following is a multiple choice question (with answers).
===Question
The standards and conditions for the promotion of national civil servants should be consistent and not vary due to differences in gender, family background, race, etc. This is the principle known as what?
===Choices
Standard of Impartiality
Notion... | Principle of Fairness | general_qa | 106 |
The following is a multiple choice question (with answers).
===Question
What are the main factors to consider in the design of underground transportation system in mines?
===Choices
Ore grade, transportation speed and transportation method
Ore composition, transportation distance and transportation method
Ore quantity... | Ore quantity, transportation distance and transportation method | general_qa | 133 |
The following is a multiple choice question (with answers).
===Question
We now define an algorithm: The definition of a(n) is hypotenuse numbers (numbers that can be expressed as the square root of the sum of the squares of two non-zero integers). Given the input x_list (a series of values): [55, 56, 57, 58, 59, 60, 61... | [119, 120, 122, 123, 125, 130, 135, 136, 137, 140] | general_qa | 615 |
The following is a multiple choice question (with answers).
===Question
Microscopic examination of a pus sample shows a filamentous organism which is acid fast with 1% sulphuric acid. Which of the following organisms could it be?
===Choices
Nocardia asteroides
Actinomyces israeli
Streptomyces somaliensis
Nocardia bras... | Nocardia brasiliensis | general_qa | 121 |
The following is a multiple choice question (with answers).
===Question
Cities in northern China are often affected by sandstorms and dust storms, which are due to what effect of the wind?
===Choices
The gushing effect.
The cooling effect.
The clearing effect.
The warming effect.
The calming effect.
The blowing effect... | The blowing effect. | general_qa | 83 |
The following is a multiple choice question (with answers).
===Question
When conducting a posture assessment from the back, the patient's palms are clearly visible; what symptom does this phenomenon indicate?
===Choices
External rotation of the clavicle
External rotation of the hand
Internal rotation of the shoulder
E... | Internal rotation of the humerus | general_qa | 106 |
The following is a multiple choice question (with answers).
===Question
A defendant wished to see his high school basketball team win the state championship. During an important game, the defendant pulled out a gun and shot at the leg of a key player on the opposing team. The defendant intended only to inflict a slight... | Murder. | general_qa | 165 |
The following is a multiple choice question (with answers).
===Question
When a falling meteoroid is at a distance above the Earth's surface of 3.00
times the Earth's radius, what is its acceleration due to the Earth's
gravitation?
===Choices
1.62 m/s²
1.75 m/s²
1.12 m/s²
1.51 m/s²
1.58 m/s²
1.41 m/s²
1.46 m/s²
1.84 m/... | 1.46 m/s² | general_qa | 136 |
The following is a multiple choice question (with answers).
===Question
What is the tool used to seal caps with plastic seal?
===Choices
Sealer
Scriber
Sterilizer
Picker
Boiler
Extruder
Blower
Welder
Gripper
Cutter | Blower | general_qa | 60 |
The following is a multiple choice question (with answers).
===Question
Casing condenser tube to go air, tube to go saturated water vapor, if the steam pressure is certain, the air inlet temperature is certain, when the air flow increases the heat transfer coefficient and wall temperature should be respectively ().
==... | Increase, decrease | general_qa | 123 |
The following is a multiple choice question (with answers).
===Question
In a heavily trafficked highway bridge near a certain city, the superstructure employs a prestressed concrete box-section beam. Assume that at the point of maximum bending moment in a certain span of the main beam of this bridge, the standard value... | 52800 | general_qa | 351 |
The following is a multiple choice question (with answers).
===Question
What is the main function of a thermostatic valve in the control of a heating system?
===Choices
Protect equipment
Prevent backflow
Alter temperature
Manage energy flow
Distribute heat
Regulate flow
Enhance comfort
Control the heat source
Monitor ... | Regulate flow | general_qa | 73 |
The following is a multiple choice question (with answers).
===Question
A certain 32-bit computer has a CPU clock speed of 800 MHz, with a CPI of 4 when there is a cache hit. The cache block size is 32B. The main memory uses an 8-way interleaved storage method, with each bank having a word length of 32 bits and a memor... | 1010ns | general_qa | 287 |
The following is a multiple choice question (with answers).
===Question
Mercury orbits the sun in about one-fifth of an Earth year. If 1 AU is defined as the distance from the Earth to the sun, what is the approximate distance between Mercury and the sun?
===Choices
(1/20) AU
(1/4) AU
Both (1/3) AU and 0.333 AU are co... | Both (1/3) AU and 0.333 AU are correct | general_qa | 141 |
The following is a multiple choice question (with answers).
===Question
At 298 K, $2.34 \times 10^{-4}$ kg of NaCl is added to 1 $dm^3$ of $5.00 \times 10^{-3} mol \cdot dm^{-3}$ HCl solution. If the change in the solution volume is neglected, what is the change in the solution's pH?
===Choices
-2.01
2.20
2.00
2.03
2.... | 2.34 | general_qa | 148 |
The following is a multiple choice question (with answers).
===Question
It was noted that the intensity of light absorbed while passing through a 16-km length of optical fiber glass is equivalent to the light intensity absorbed through a 25-mm thickness of ordinary window glass. Calculate the absorption coefficient $\b... | $$
1. 5 6 \times1 0^{-1 0} \, {\mathrm{m m}}^{-1}
$$ | general_qa | 404 |
The following is a multiple choice question (with answers).
===Question
The poroelastic time effect results in circumferential stresses around the well as a function of which variables?
===Choices
Casing size, temperature
Pressure, temperature
Mud weight, formation type
Pore pressure, shear stress
Drill speed, formati... | Time, distance | general_qa | 98 |
The following is a multiple choice question (with answers).
===Question
Middle ear infection accompanied by ipsilateral limb weakness or loss of muscle tone, ataxia, and a positive finger-to-nose test is most commonly seen in ()
===Choices
Otogenic cerebellar abscess
Otogenic occipital lobe abscess
Sigmoid sinus throm... | Otogenic cerebellar abscess | general_qa | 131 |
The following is a multiple choice question (with answers).
===Question
The elevation of the flat bottom spillway slab of the reservoir is 122.0 m. It is required that the outflow discharge is $Q \!=\! 1150 \, \mathrm{m}^{3} / \mathrm{s}$ when the reservoir's extreme water level is 130.4 m. Assuming the total width of ... | $$
b \!=\! 5 \mathrm{m} \,, \, \, \, n \!=\! 5 \,, \, \, \, d \!=\! 1. \, 5 \mathrm{m}
$$ | general_qa | 737 |
The following is a multiple choice question (with answers).
===Question
The free end of the open-link chain of total L and mass per unit $\lambda$ is released from rest at x = 0. The thrust force at the lower end of non-moving part due to relative motion of other part as a function of x is :
===Choices
$$\lambda g \sq... | $$2\lambda gx$$ | general_qa | 124 |
The following is a multiple choice question (with answers).
===Question
What is the mRNA produced by eukaryotes through transcription?
===Choices
Cis-trans isomer.
Structural enhancer.
Non-coding RNA transcript.
Insertion sequence
Multiple isomers
Alternative looping factor.
Gene sequence regulator.
Transcription bubb... | Cis-trans isomer. | general_qa | 76 |
The following is a multiple choice question (with answers).
===Question
The proton condition equation for a mixed solution containing 0.10 mol/L HCl and 0.20 mol/L H2SO4 is ( ).
===Choices
[H+]-0.30 = [OH-]+[SO42-]
[H+]-0.50 = [OH-]+[SO42-]
[H+]-0.30 = [Na+]+[SO42-]
[H+]-0.70 = [OH-]+[SO42-]
[H+]-0.10 = [OH-]+[SO42-]
... | [H+]-0.30 = [OH-]+[SO42-] | general_qa | 226 |
The following is a multiple choice question (with answers).
===Question
Based on the content of the question, the following statements are correct:I. Human capital can only increase personal income, while physical capital can only increase national incomeII. Both human capital and physical capital can increase personal... | II,III | general_qa | 152 |
The following is a multiple choice question (with answers).
===Question
You play a slot machine in Las Vegas. For every \$1 coin you insert, there are three outcomes: (1) you lose \$1, (2) you win \$1, so your profit is \$0, (3) you win \$5, so your profit is \$4.Suppose you find that your average expected profit over ... | $$
p_{1}=0.498
$$
$$
p_{2}=0.377
$$
$$
p_{3}=0.125
$$ | general_qa | 551 |
The following is a multiple choice question (with answers).
===Question
What is the equivalent diameter of the ring gap for a cased heat exchanger with an outer tube φ108x4mm and an inner tube φ68x3mm?
===Choices
42
25
30
32
35
40
37
28
34
45 | 32 | general_qa | 84 |
The following is a multiple choice question (with answers).
===Question
The rate law of reaction between the substance $A$ and $B$ is given by $rate={K}{[A]}^{n}{[B]}^{m}$. On doubling the concentration of $A$ and making the volume of $B$ half the ratio of new rate to the earlier rate of reaction will be:
===Choices
$... | $${2}^{n-m}$$ | general_qa | 190 |
The following is a multiple choice question (with answers).
===Question
Water at 283K flows through a steel pipe with an inner diameter of 25mm at a speed of 1m/s. Try calculating its $R e$ value is ().
===Choices
21047
18326
16789
15268
19151
19487
22691
20534
17459
14263 | 19151 | general_qa | 117 |
The following is a multiple choice question (with answers).
===Question
To prevent the intrusion of ________, bagging should be carried out before artificial hybridization.
===Choices
intrusive pollen elements
exterior pollen agents
unrelated pollen strains
invasive pollen grains
undesirable pollen carriers
non-parent... | non-parental pollen | general_qa | 86 |
The following is a multiple choice question (with answers).
===Question
What is the strategic deployment for urban construction and development?
===Choices
Community-based framework
Overall urban layout
Peripheral growth management
Urban form
Sectoral urban plan
Neighborhood-focused zoning
Urban centralized form
Resid... | Overall urban layout | general_qa | 69 |
The following is a multiple choice question (with answers).
===Question
In a Young's double slit experiment the slit is illuminated by a source having two wavelengths of 400 nm and 600 nm. If distance between slits, d=1 mm, and distance between the plane of the slit and screen. D=10 m then the smallest distance from th... | 2 mm | general_qa | 124 |
The following is a multiple choice question (with answers).
===Question
Aluminum sulfide reacts with water to form aluminum hydroxide and hydrogen sulfide.How many grams of aluminum hydroxide are obtained from 14.2 $\mathrm{g}$ of aluminum sulfide?
===Choices
$$
1 5 \operatorname{g A l} ( \mathrm{O H} )_{3}
$$
$$
2 2 ... | $$
1 4 \operatorname{g A l} ( \mathrm{O H} )_{3}
$$ | general_qa | 319 |
The following is a multiple choice question (with answers).
===Question
Calculate the pH of a buffer solution prepared by dissolving 10.6 g of $Na_2CO_3$ in 500 ml of an aqueous solution containing 80 ml of 1 M HCl. ($K_a$ for $HCO_3^-=6\times 10^{-11}$)
===Choices
9.4
10.3
10.6
8.6
11.6
12.6
9.3
9.6
7.6
7.3 | 8.6 | general_qa | 132 |
The following is a multiple choice question (with answers).
===Question
What's the most fascinating part for Abbas?
===Choices
The character can exchange different people's minds, explore their thoughts and even control their minds.
The character can travel through different people's minds, experience their feelings a... | The character can travel through different people's minds, explore their thoughts and even implant new thoughts in their minds. | general_qa | 196 |
The following is a multiple choice question (with answers).
===Question
When was Tianditu officially announced to go online?
===Choices
2010
2012
2011
2014
2017
2013
2018
2009
2016
2015 | 2011 | general_qa | 77 |
The following is a multiple choice question (with answers).
===Question
Given the turbulent flow in a circular pipe, $u_{x}=u_{\operatorname* {max}} \, ( \, y / r_{0} \, )^{n} \,, \, \, \, u_{y}=0$ , where $u_{\mathrm{max}}$, $r_{0}$, and $n$ are constants, determine its flow pattern.
===Choices
Laminar distribution
P... | Rotational motion | general_qa | 143 |
The following is a multiple choice question (with answers).
===Question
When filling moderate to severe caries with amalgam, a base is required because amalgam has which characteristic?
===Choices
Poor adhesion qualities
Thermal conductivity
Low surface reactivity
Chemical corrosiveness
Volume expansion
Spherical flow... | Thermal conductivity | general_qa | 84 |
The following is a multiple choice question (with answers).
===Question
A student who enjoys fishing once caught two scaleless grass carp from a lake. She wanted to determine whether this unique phenotype had a genetic basis. When she crossed the scaleless fish with homozygous wild-type fish, the $\mathrm{F_1}$ generat... | The gene that determines the characteristic of scales is certainly not the only one. | general_qa | 221 |
The following is a multiple choice question (with answers).
===Question
The internal structure of the Earth is divided into three main layers of () by the Mohorovičić discontinuity and the Gutenberg discontinuity.
===Choices
Crust, Atmosphere, Core
Crust, Mantle, Core
Crust, Oceanic layer, Core
Crust, Bedrock, Core
Ma... | Crust, Mantle, Core | general_qa | 133 |
The following is a multiple choice question (with answers).
===Question
Let $p$ be a prime and $G=\mathrm{S L}_{2} ( \mathbb{F}_{p} )$ . What is the order of $G$?
===Choices
$$p^3(p-1)$$
$$p^2(p-1)$$
$$p(p^2-1)$$
$$p^2(p+1)$$
$$p(p+1)$$
$$p^3(p^2-1)$$
$$p(p^2+1)$$
$$p^2(p^2-1)$$
$$p(p^3-1)$$
$$p(p^2-p)$$ | $$p(p^2-1)$$ | general_qa | 156 |
The following is a multiple choice question (with answers).
===Question
What is the relationship between planetary equilibrium temperature and orbital radius?
===Choices
$T_{planet} \propto 1/\sqrt[3]{R_{orbit}^{1.25}}$
$T_{planet} \propto 1/\sqrt[3]{R_{orbit}^{0.75}}$
$T_{planet} \propto 1/\sqrt[3]{R_{orbit}^{1.75}}$... | $T_{planet} \propto 1/\sqrt{R_{orbit}}$ | general_qa | 228 |
The following is a multiple choice question (with answers).
===Question
Based on the equation
$$
y^{\prime\prime}-6 y^{\prime}+5 y=-3 e^{\prime}+x+1.
$$
the solution of this equation is ().
===Choices
$$
f(x) = \left(4 + \frac{1}{2} x^2\right) e^x
$$
$$
f(x) = \left(3 + \frac{1}{2} x^2\right) e^{3x}
$$
$$
f(x) = \left... | $$
f(x) = \left(1 + \frac{1}{2} x^2\right) e^x
$$ | general_qa | 366 |
The following is a multiple choice question (with answers).
===Question
The imaging proportional counter on the Einstein Observatory has a sensitivity of 2.5 X $1 0^{-5}$ photons $\mathrm{c m^{-2} ~ s^{-1}}$ between 0.2-3.0 keV. Assuming a neutron star of radius 10 km at a distance of 100 pc, what upper limit can the s... | $$
T_{e} \leq0. 2 \times1 0^{6} \mathrm{~ K}
$$ | general_qa | 392 |
The following is a multiple choice question (with answers).
===Question
Who is the author of "New Angel"?
===Choices
Courbet
Turner
Basquiat
Kandinsky
Manet
Tintoretto
Kelly
Mondrian
Matisse
Bacon | Kelly | general_qa | 60 |
The following is a multiple choice question (with answers).
===Question
What is the primary disadvantage of decision trees when compared to logistic regression classifiers?
===Choices
Decision trees are more likely to overfit the training data but underfit the validation data
Decision trees are more likely to overfit ... | Decision trees are more likely to overfit the data | general_qa | 171 |
The following is a multiple choice question (with answers).
===Question
To dry H2S gas, the usual desiccant is ___.
===Choices
$\mathrm{Na}_{2} \mathbf{CO}_{3}$
$\mathrm{NaOH}$
$\mathrm{H}_{2} \mathbf{O}$
$\mathrm{MgSO}_{4}$
$\mathrm{KCl}$
$\mathrm{HCl}$
$\mathrm{H}_{2} \mathbf{SO}_{4}$
$\mathrm{P}_{2} \mathbf{O}_{5}$... | $\mathrm{P}_{2} \mathbf{O}_{5}$ | general_qa | 140 |
The following is a multiple choice question (with answers).
===Question
The estimated bandwidth required for generating a 5 rad phase shift by a 5 kHz signal at 100 MHz is ().
===Choices
150kHz
200kHz
600kHz
10kHz
300kHz
40kHz
60kHz
70kHz
50kHz
500kHz | 60kHz | general_qa | 88 |
The following is a multiple choice question (with answers).
===Question
The half-cell reactions for the corrossion are
${2H^+}$ + $1/2 O_2$ + $2e^-$ $\rightarrow$ $H_2O$ ; $E^o$ = - 1.23 V
$Fe^{2+}$ + $2e^-$ $\rightarrow$ Fe ; $E^o$ = -0.44 V
Find the $\triangle {G^o}$ (in kJ) for the overall reaction
===Choices
77... | -76 | general_qa | 157 |
The following is a multiple choice question (with answers).
===Question
The biological functions of RNC are to serve as a template for protein synthesis, a tool for ______, and to bind with proteins to form ribosomes as the site of protein synthesis.
===Choices
facilitating cell division
breaking down nucleic acids
st... | transporting amino acids | general_qa | 109 |
The following is a multiple choice question (with answers).
===Question
The maximum length refers to the horizontal distance between the foremost and aftermost points including _____
===Choices
Shell plating
Structural bulkheads and external hull components
Structural bulkheads and shell plating
Structural bulkheads
S... | Internal hull components | general_qa | 85 |
The following is a multiple choice question (with answers).
===Question
A clay sample with relatively low moisture content was subjected to a uniaxial compression test. When the pressure reached 90 kPa, the soil sample began to fail and developed a failure plane, which formed a 35° angle with the vertical line. Determi... | $$
2 0^{\circ}
$$
$$
3 1. 5 \mathbf{k P a}
$$ | general_qa | 366 |
The following is a multiple choice question (with answers).
===Question
The group synchronization system has two operating states: the ( ) state and the ( ) state.
===Choices
Initiate; Terminate
Phase; Waveform
Primary; Secondary
Continuous; Discrete
Input; Output
Stable; Variable
Maintain; Relevant
Active; Passive
Co... | Maintain; Capture | general_qa | 82 |
The following is a multiple choice question (with answers).
===Question
$A$ cylindrical specimen of a hypothetical metal alloy is stressed in compression. If its original and
final diameters are 30.00 cond 30.04 mm, respectively, and its final length is 105.20 mm, the its original length if the deformation is totally e... | 105.69 mm | general_qa | 189 |
The following is a multiple choice question (with answers).
===Question
In order to prepare a buffer of $P^H$ 8.26, the amount of $(NH_4)_2SO_4$ required to be mixed with 1L of 0.1 M $NH_3(pK_b=4.74)$ is:
===Choices
1 mol
1.5 mol
0.5 mol
0.3 mol
2 mol
5 mol
0.4 mol
0.2 mol
0.1 mol
10 mol | 0.5 mol | general_qa | 119 |
The following is a multiple choice question (with answers).
===Question
The basic characteristics of the change in stress state after the formation of a slope are characterized by ___.
===Choices
Redistribution of tension stresses at the apex of the slope, reduction of radial stresses at the base, and reduction of she... | Concentration of tensile stresses at the top of the slope, reduction of radial stresses at the face of the slope, and concentration of shear stresses at the foot of the slope | general_qa | 345 |
The following is a multiple choice question (with answers).
===Question
Which of the following options is more in line with the attribution explanation proposed by the theory of self-control?
===Choices
A top scientist is involved in a "data fabrication"
A famous director is implicated in a "casting fraud"
A famous si... | A famous singer is caught in the "drug door" | general_qa | 156 |
The following is a multiple choice question (with answers).
===Question
What is the scanning mode of LC-MS/MS (three-stage quadrupole mass analyzer) used for quantitative analysis?
===Choices
Specific reaction tracking
Selective reaction detection
Specific compound analysis
Selective ion monitoring
Differential chemic... | Selective reaction detection | general_qa | 87 |
The following is a multiple choice question (with answers).
===Question
Tandem fans can increase ___.
===Choices
heat capacity
light intensity
air volume
color brightness
material hardness
smell strength
wind pressure
water temperature
sound volume | wind pressure | general_qa | 52 |
The following is a multiple choice question (with answers).
===Question
It is known that the central wavelength of the GaAs laser diode is $0.85 \mu. \mathrm{m}$, the resonator length is 0.4mm, and the material refractive index is 3.7. If the optical gain of the laser is always greater than the total attenuation of the... | 410 | general_qa | 172 |
The following is a multiple choice question (with answers).
===Question
At $25^{\circ} \ \mathrm{C}$, under pressure between 0 and 1000 atm, the volume of water is measured as:
$$
V = 18.066 - 0.715 \times 10^{-3} \, \mathbf{p} + 0.046 \times 10^{-8} \, \mathbf{p}^{2} \, \mathrm{cm}^{3} \cdot \mathrm{mol}^{-1}
$$
Assum... | $$
3 3. 1 \mathrm{J} \cdot\mathrm{m o l}^{-1}
$$ | general_qa | 439 |
The following is a multiple choice question (with answers).
===Question
What is the translational entropy for carbon monoxide CO (C has mass $m=1 2$ amu, O has mass $m=1 6 \, \mathrm{a m u} )$ at $T=3 0 0 \, \mathrm{K}, \, p=1$ atm?
===Choices
$$
1 4 7. 3 \; {\frac{\mathrm{J}} {\mathrm{K \; m o l}}}$$
$$
1 5 4. 6 \; {... | $$
1 5 0. 3 \; {\frac{\mathrm{J}} {\mathrm{K \; m o l}}}
$$ | general_qa | 396 |
The following is a multiple choice question (with answers).
===Question
Find the pressure represented by a column of$$
1 0 \mathrm{~ c m ~ o f ~ w a t e r.}
$$
===Choices
$$
9 2 0 \mathrm{N / m}^{2}
$$
$$
9 7 9 \mathrm{N / m}^{2}
$$
$$
1 0 0 1 \mathrm{N / m}^{2}
$$
$$
1 0 5 0 \mathrm{N / m}^{2}
$$
$$
9 5 5 \mathrm{N /... | $$
9 7 9 \mathrm{N / m}^{2}
$$ | general_qa | 246 |
The following is a multiple choice question (with answers).
===Question
A and B, two basketball players, have shooting accuracies of 0.7 and 0.6 respectively. Each player shoots three times. What is the probability that both players score an equal number of baskets?
===Choices
$$
0. 3 0 0 7 6
$$
$$
0. 3 1 0 7 6
$$
$$
... | $$
0. 3 2 0 7 6
$$ | general_qa | 230 |
The following is a multiple choice question (with answers).
===Question
Given the probabilities P(A) = 0.3 and P(B) = 0.2, what is the probability of the union P(A ∪ B) if A and B are mutually exclusive? If A and B are independent? If B is a subset of A?
===Choices
.5, 0.44, 0.3
.44, 0.5, 0.2
.5, 0.44, 0.2
0.44, 0.5, ... | .5, 0.44, 0.3 | general_qa | 215 |
The following is a multiple choice question (with answers).
===Question
The two main functions of the circuit are to convert () and process ().
===Choices
Heat, Motion
Current, Frequency
Electricity, Vibration
Light, Sound
Force, Information
Charge, Communication
Power, Data
Power, Wave
Energy, Signal
Voltage, Wave | Energy, Signal | general_qa | 73 |
The following is a multiple choice question (with answers).
===Question
How many levels of fissures in a tectonic fissure network can be categorized according to their size?
===Choices
9
7
8
3
5
10
1
2
6
4 | 3 | general_qa | 59 |
The following is a multiple choice question (with answers).
===Question
In a 6-year-old child with burns involving the whole of head and trunk, estimated body surface area of burns is:
===Choices
44%
45%
42%
41%
46%
47%
55%
58%
52%
43% | 44% | general_qa | 72 |
The following is a multiple choice question (with answers).
===Question
What are the thermoelectric power and Peltier coefficient of n-type PoTe with a conductivity of 2000 S/cm, an electron mobility of $6000 \ \mathrm{cm}^{2} / ( \mathrm{V} \cdot \mathrm{s} )$, and an effective electron mass of $0.2 \ m_{0}$, assuming... | $$
- 1. 7 9 \times1 0^{-4} ( \mathrm{V} / \mathrm{K} ),\ 5 3. 8 ( \mathrm{m V} )
$$ | general_qa | 594 |
The following is a multiple choice question (with answers).
===Question
Who is the ancient Greek thinker who proposed the distinction between "oikonomia" and "chrematistics"?
===Choices
Anaxagoras
Plato
Xenophon
Thales
Heraclitus
Democritus
Pythagoras
Epicurus
Socrates
Aristotle | Aristotle | general_qa | 80 |
The following is a multiple choice question (with answers).
===Question
Lyricism is a special form of reflection. Firstly, the object of lyrical reflection primarily involves ______ aspects of social life. Secondly, emotions reflect the specific relationship between the subject and the object.
===Choices
The environme... | The spiritual aspects. | general_qa | 97 |
The following is a multiple choice question (with answers).
===Question
A uniform electric field of magnitude $100 \mathrm { V } / \mathrm { m }$ in space is directed along the line $y = 3 + x$ . Find the electric potential difference between $( 1,3 )$ and $( 3,1 )$
===Choices
$$200 \mathrm { V }$$
$$100 \mathrm { V }... | 0 | general_qa | 174 |
The following is a multiple choice question (with answers).
===Question
The money market refers to the market for trading financial assets with a maturity of how long?
===Choices
six months
eighteen months
one year
three months
five years
two years
nine months
four years
two and a half years
one month | one year | general_qa | 68 |
The following is a multiple choice question (with answers).
===Question
To which constellation does the star J2 Tau belong?
===Choices
Cetus
Andromeda
Gemini
Auriga
Aries
Orion
Taurus
Lynx
Perseus
Canis Major | Auriga | general_qa | 62 |
The following is a multiple choice question (with answers).
===Question
Let \(A\) be an \(m \times n\) matrix, \(B\) be an \(n \times m\) matrix, and satisfy \(AB = E\), then ( ).
===Choices
the row vector set of \(A\) is linearly independent, the column vector set of \(B\) is linearly independent
the row vector set o... | the row vector set of \(A\) is linearly independent, the column vector set of \(B\) is linearly independent | general_qa | 314 |
The following is a multiple choice question (with answers).
===Question
A recording acousto-optic deflector uses tellurium dioxide as the acousto-optic medium. It is known that the number of resolvable points $N=300$, the ultrasonic transit time $\tau=10$μs, and the operating wavelength $\lambda=0.6328$μm. What is the ... | 37.5mm | general_qa | 177 |
The following is a multiple choice question (with answers).
===Question
The chemical staple fiber cut length is determined according to the form of the spinning processing equipment and the length of the fiber blended with it, and is divided into(), () and () three fiber types.
===Choices
Cotton type, medium-long type... | Cotton type, medium-long type, wool type | general_qa | 169 |
The following is a multiple choice question (with answers).
===Question
The most massive subatomic particle is the
===Choices
positron
beta particle
muon
photon
electron
neutrino
neutron
alpha particle
quark
proton | alpha particle | general_qa | 55 |
The following is a multiple choice question (with answers).
===Question
Considering the athletes' tolerance and training effect, what is the method of increasing load that can only be applied to elite athletes?
===Choices
Leapfrog-style
Steady increase
Gradual escalation
Incremental progression
Linear style
Stepped
Pr... | Leapfrog-style | general_qa | 79 |
The following is a multiple choice question (with answers).
===Question
The characteristics of business management information systems include:
I. Solving information management problems from a systems perspective
II. Based on modern information tools such as computers
III. Database processing systems
IV. Online transa... | I,II,IV | general_qa | 113 |
The following is a multiple choice question (with answers).
===Question
The copper target emits $\lambda=0. 1 5 4 n m$ $\mathbf{X}$ rays incident on aluminum single crystal, such as aluminum (111) surface first-order Bragg reflection angle $\theta=1 9. 2^{\ circ}$, based on this, try to calculate the spacing of the alu... | 0.234;0.405 | general_qa | 234 |
The following is a multiple choice question (with answers).
===Question
Assume that the continuous random variables $$x_{1}, x_{2}$$ are independent of each other, and the variances all exist $$x_{1}$$, the probability densities of $$x_{2}$$ are $$f_{1}( x), f_{2}(x)$$, the probability density of random variable $$Y_{1... | EY1=EY2, DY1>DY2 | general_qa | 297 |
The following is a multiple choice question (with answers).
===Question
The solid powder formed by β-cyclodextrin (β-CD) and the volatile oil of citrus peel is ( ).
===Choices
Precipitant
Co-precipitate
Gel
Emulsifier
Microcapsule
Suspension
Compound
Nanoemulsion
Inclusion complex
Colloidal aggregate | Compound | general_qa | 81 |
The following is a multiple choice question (with answers).
===Question
For some viscoelastic polymers that are subjected to stress relaxation tests, the stress decays with time according to
$$
\sigma( t )=\sigma( 0 ) \mathrm{e x p} \! \left(-{\frac{t} {\tau}} \right)
$$
where $\sigma(t)$ and $\sigma(0)$ represent the ... | $$
3. 6 6 \ \mathrm{M P a} \ ( 5 2 2 \ \mathrm{p s i} )
$$ | general_qa | 591 |
The following is a multiple choice question (with answers).
===Question
Among the options below, which description of "health capital stock" is correct?
===Choices
It refers to the total number of labor force within a certain scope who are physically healthy, meet the physical fitness standards, and are capable of com... | It refers to a person's physical health condition and physical fitness, including height, weight, healthy lifespan, etc. | general_qa | 260 |
The following is a multiple choice question (with answers).
===Question
Which of the following fish will float to the surface first when there is a lack of dissolved oxygen in the water?
===Choices
Catfish
Starfish
Stone moroko
Swordfish
Sunfish
Jellyfish
Goldfish
Angelfish
Clownfish
Lionfish | Stone moroko | general_qa | 75 |
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