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
We now define an algorithm: The definition of a(n) is: Single (or isolated or non-twin) primes: Primes p such that neither p-2 nor p+2 is prime. These are primes that do not form a twin prime pair with another prime number. Given the input x_list (... | [479, 487, 491, 499, 503, 509, 541, 547, 557, 563] | general_qa | 633 |
The following is a multiple choice question (with answers).
===Question
Haemoglobin, the red blood protein responsible for oxygen transport, binds about 1.34 cm$^{3}$ of oxygen per gram. Normal blood has a haemoglobin concentration of 150 g dm$^{-3}$. Haemoglobin in the lungs is about 97 per cent saturated with oxygen,... | $$
{5 \mathrm{c m^{3}}}
$$ | general_qa | 361 |
The following is a multiple choice question (with answers).
===Question
An oil droplet with a particle diameter of $76 \mu\mathrm{m}$ (non-volatile, considered to be rigid) freely settles in atmospheric air at 20°C. During the constant velocity phase, the measured settlement height is $2.7 \mathrm{m}$ within $20 \mathr... | $$
0. 0 1 3 8 \, m
$$ | general_qa | 396 |
The following is a multiple choice question (with answers).
===Question
A supermarket signed a contract with a bakery to provide the supermarket with 100 loaves of whole wheat bread per week for 12 consecutive weeks. The loaves were to be delivered on the first day of each week, with payment to be made within four days... | The supermarket would not be entitled to reject the operator's offer to "cure. " | general_qa | 367 |
The following is a multiple choice question (with answers).
===Question
What is the structural knowledge that large class children are required to learn when guiding children's structural games?
===Choices
Identify the texture of materials
Identify left and right
Recognize the smell of objects
Identify height, width, ... | Identify left and right | general_qa | 114 |
The following is a multiple choice question (with answers).
===Question
Airline ticket booking service belongs to ( ).
===Choices
Limited Access Services
Required Mobility Services
Premium Experience Services
Primary Flight Services
Convenience Services
Basic Booking Services
Core Services
Potential Services
Supportiv... | Convenience Services | general_qa | 64 |
The following is a multiple choice question (with answers).
===Question
We now define an algorithm: The definition of a(n) is: Fermat pseudoprimes to base 2, also called Sarrus numbers or Poulet numbers. These are composite numbers \\( n \\) such that \\( 2^{n-1} \\equiv 1 \\ (\\text{mod} \\ n) \\). Given the input x_l... | [15709, 15841, 16705, 18705, 18721, 19951, 23001, 23377, 25761, 29341] | general_qa | 847 |
The following is a multiple choice question (with answers).
===Question
$int {{{{x^2}} over {{{left( {1 - x} right)}^{100}}}}} dx = left( {} right)$
===Choices
${1 over {97}}{1 over {{{left( {1 + x} right)}^{97}}}} + {1 over {49}}{1 over {{{left( {1 + x} right)}^{98}}}} - {1 over {99}}{1 over {{{left( {1 - x} right)}^... | ${1 over {97}}{1 over {{{left( {1 - x} right)}^{97}}}} - {1 over {49}}{1 over {{{left( {1 - x} right)}^{98}}}} + {1 over {99}}{1 over {{{left( {1 - x} right)}^{99}}}} + C$ | general_qa | 859 |
The following is a multiple choice question (with answers).
===Question
If the sample is relatively complex and the distance between two adjacent peaks is too close, accurately measuring the retention values can be challenging. What method can be used for qualitative analysis?
===Choices
Qualitative analysis using rel... | Qualitative analysis by adding known substances to increase peak height | general_qa | 87 |
The following is a multiple choice question (with answers).
===Question
Tumors are classified based on their tissue origin and differentiation direction. What are the main types of malignant tumors that originate from non-epithelial tissues, and what proportion do they represent of the total number of tumors?
===Choic... | Sarcomas and lymphomas originating from mesoderm, accounting for 1% of total tumors | general_qa | 287 |
The following is a multiple choice question (with answers).
===Question
The most important pathological feature of typhoid fever is
===Choices
chronic inflammation of the intestinal lymphoid tissue with neutrophil infiltration
focal necrosis of mesenteric lymph nodes
chronic inflammation of the intestinal lymphoid tis... | proliferative reaction of the mononuclear-macrophage system | general_qa | 151 |
The following is a multiple choice question (with answers).
===Question
What did Robert Southey state was the singular diagnosis for Horatio Lord Nelson's illness and subsequent evacuation during the San Juan expedition in 1780?
===Choices
Enteric Fever
Gastroenteritis
Typhoid Fever
Typhus
Yellow Fever
Bacterial Dysen... | Dysentery | general_qa | 95 |
The following is a multiple choice question (with answers).
===Question
Elenawas giving her speech on why college athletes should be paid forplaying their sport. In her PowerPoint, she uses an image of anattractive football player posing with his shirt off. Was using thispicture helpful in persuading her audience?
===... | No,because the image didn't complement the image created by herspoken words. | general_qa | 205 |
The following is a multiple choice question (with answers).
===Question
How old was composer Miya Masaoka when she began studying classical music?
===Choices
5
7
10
8
13
11
9
6
12
4 | 8 | general_qa | 56 |
The following is a multiple choice question (with answers).
===Question
In response to the phenomenon of differences or even opposition in moral requirements for students between family education and school education in our country, the moral education principle that should be emphasized is ( ).
===Choices
Combining t... | Consistency and continuity of educational influence | general_qa | 132 |
The following is a multiple choice question (with answers).
===Question
The base level of the pyramid of athletic ability is ().
===Choices
muscle coordination
competitive performance
joint function
health stability
physical fitness
exercise ability
sports proficiency
movement patterns
skillful control
bodily agility | joint function | general_qa | 62 |
The following is a multiple choice question (with answers).
===Question
What system does the control method of surface-to-air missiles belong to?
===Choices
Automatic Correction System.
Program Control System.
Linear steady-state system.
Constant Value Control System.
Target Tracking System.
Dynamic Balancing System.
... | Servo Control System. | general_qa | 77 |
The following is a multiple choice question (with answers).
===Question
What are the main characteristics of the surface water circulation in the world's oceans?
===Choices
There is a large cyclonic circulation corresponding to the subtropical high in the northern hemisphere, and a large anticyclonic circulation corre... | There is a large anticyclonic circulation corresponding to the subtropical high in both the northern and southern hemispheres. | general_qa | 298 |
The following is a multiple choice question (with answers).
===Question
For all real numbers $x$ satisfying $x^4+861184\leq 1865x^2$, what is the maximum value of $f(x)=x^3-3x$?
===Choices
32674
32673
32678
32670
32672
32679
32675
32671
32676
32677 | 32672 | general_qa | 125 |
The following is a multiple choice question (with answers).
===Question
What is the function of molecular chaperones?
===Choices
Assisting the transport of proteins into the mitochondria or chloroplasts.
Stabilizing DNA molecules in cells to assist replication
Binding to the specific structure of the polypeptide helps... | Binding to the specific structure of the polypeptide helps it form the correct two-dimensional structure. | general_qa | 155 |
The following is a multiple choice question (with answers).
===Question
Which of the following is high speed steel?
===Choices
T 70 W 18 Co 4 Cr 4 V 0 Mo 75
T 90 W 25 Co 5 Cr 4 V 1 Mo 60
T 60 W 15 Co 6 Cr 3 V 1 Mo 85
T 78 W 17 Co 7 Cr 5 V 1 Mo 62
T 85 W 20 Co 3 Cr 3 V 1 Mo 68
T 75 W 18 Co 2 Cr 4 V 2 Mo 80
T 65 W 16 Co... | T 75 W 18 Co 6 Cr 4 V 1 Mo 75 | general_qa | 246 |
The following is a multiple choice question (with answers).
===Question
Given acidic slag conditions with $w \left( \mathrm{FeO} \right)=23\%$, $w \left( \mathrm{MnO} \right)=25\%$, and $\mathrm{SiO}_{2}$ ($w ( \mathrm{SiO}_{2} )=50\%$), the mass fraction of manganese in the molten steel is being asked. The expression ... | $$
0. 0 7 7 \%
$$ | general_qa | 314 |
The following is a multiple choice question (with answers).
===Question
How many Btu are required to raise the temperature of 2 pounds of water from 32°F to 212°F?
===Choices
450 Btu
Both 360 Btu and 180 * 2 Btu are correct
600 Btu
360 Btu
540 Btu
180 Btu
800 Btu
720 Btu
180 * 2 Btu
280 Btu | Both 360 Btu and 180 * 2 Btu are correct | general_qa | 121 |
The following is a multiple choice question (with answers).
===Question
What day, month, and year did over 500,000 people gather at the Black Star Square in Ghana to welcome former U.S. President Bill Clinton and his wife, Hillary Clinton?
===Choices
March 24, 1995
March 24, 1991
March 24, 1997
March 24, 1999
March 24... | March 24, 1998 | general_qa | 168 |
The following is a multiple choice question (with answers).
===Question
When did the full transition from the 10-digit to the 13-digit format for International Standard Book Numbers (ISBNs) begin?
===Choices
2007.5
2004
2007
2005
2009
2006.5
2008
2003
2010
2006 | 2007 | general_qa | 99 |
The following is a multiple choice question (with answers).
===Question
In a basic aqueous solution chloromethane undergoes a substitution reaction in which $Cl^-$ is replaced by $OH^-$ as.$CH_3Cl (aq) + OH^- \rightleftharpoons CH_3 OH(aq) + Cl^- (aq)$The equilibrium constant of above reaction $K_c = 1 \times 10^{15}$... | $$0.05 M$$ | general_qa | 219 |
The following is a multiple choice question (with answers).
===Question
Which musician became Louis Armstrong's first teacher and chose him as the bandleader?
===Choices
Joe Oliver.
Joe "King" Oliver, who also played cornet.
Joe "King" Oliver, who also played trumpet.
Joe "King" Oliver, who also played trombone.
Joe "... | Peter Davis. | general_qa | 122 |
The following is a multiple choice question (with answers).
===Question
Take caffeic acid, dry it at 105°C to a constant weight, and accurately weigh 10.00 mg. Dissolve in a small amount of ethanol, transfer to a 200 ml volumetric flask, and add water to the mark. Take 5.00 ml of this solution and place it in a 50 ml v... | $$
99.80 \%
$$ | general_qa | 303 |
The following is a multiple choice question (with answers).
===Question
Which of the following heating methods has a more uniform temperature distribution along the height direction?
===Choices
Floor radiation
Wall heating system
Infrared heaters
Steam radiator
Radiator heating
Heat convectors
Baseboard heating
Hot ai... | Floor radiation | general_qa | 71 |
The following is a multiple choice question (with answers).
===Question
The following IP address of the host that requires routing to communicate with the host 10.10.100.10/18 is:
===Choices
10.10.185.1/20
10.10.100.2/18
10.10.95.1/18
10.10.185.1/18
10.10.186.1/18
10.10.185.2/18
10.10.65.1/18
10.10.185.1/19
10.10.185.... | 10.10.185.1/18 | general_qa | 197 |
The following is a multiple choice question (with answers).
===Question
What is the main difference between the news media in Britain and the United States and countries such as France, Germany, and Italy in terms of independence?
===Choices
British and U.S. media focus mainly on local news coverage
French, German, an... | French, German, and Italian media are dependent on interest groups | general_qa | 167 |
The following is a multiple choice question (with answers).
===Question
Given that the data for neutralization of a weak acid $(HA)$ and strong acid with a strong base is:
$$HA + OH^{-}\rightarrow A^{-} + H_{2}O;\ \triangle H = -41.80\ kJ$$
$$H^{+} + OH^{-}\rightarrow H_{2}O;\ \triangle H = -55.90\ kJ$$
The enthalpy of... | $$-97.20\ KJ$$ | general_qa | 222 |
The following is a multiple choice question (with answers).
===Question
Under the severe international situation, Mao Zedong and the Chinese Communists, mainly represented by him, realized the extreme importance and urgency of independently developing
===Choices
advanced missile technology
civilian technology
nuclear ... | cutting-edge military technology | general_qa | 92 |
The following is a multiple choice question (with answers).
===Question
In what city and state was Richard Diebenkorn stationed for the U.S. Marine Corps?
===Choices
San Diego, California
Camp Quantico, Virginia
Norfolk, North Carolina
Quantico, Virginia
Camp Lejeune, North Carolina
Camp Pendleton, Virginia
Camp Quant... | Quantico, Virginia | general_qa | 90 |
The following is a multiple choice question (with answers).
===Question
There are two types of soil, A and B, with different moisture contents. When they come into contact, water in the soil will flow from A to B. Their water potential (Pa) is _____.
===Choices
A=-3;B--5
A=-2;B--6
A=-1;B--5
A=-2;B--3
A=0;B--4
A=-4;B--... | A=-1;B--5 | general_qa | 138 |
The following is a multiple choice question (with answers).
===Question
Determine the count of positive integers $Z$ that fulfill all of these criteria: \begin{{enumerate}} \item[(i)] $Z$ is a multiple of 4040000. \item[(ii)] The number of decimal digits in $Z$ does not exceed 4040000. \item[(iii)] When written in deci... | 2040192930006 | general_qa | 264 |
The following is a multiple choice question (with answers).
===Question
In which year was it reported that some lichen and cyanobacteria survived and showed remarkable adaptation capacity for photosynthesis after 34 days in simulated Martian conditions in the Mars Simulation Laboratory (MSL) maintained by the German Ae... | 2012 | general_qa | 117 |
The following is a multiple choice question (with answers).
===Question
A solid sphere of radius $R$ is set into motion on a rough horizontal surface with a linear speed ${v}_{0}$ in forward direction and an angular velocity ${ \omega }_{ 0 }={ v }_{ 0 }/2R$ in counter coefficient of friction is $\mu$, then find the t... | $${ t }_{ 0 }=\cfrac { 3{ v }_{ 0 } }{ 7\mu g } $$ | general_qa | 399 |
The following is a multiple choice question (with answers).
===Question
A steel sphere with a radius of 25 mm has a thermal conductivity of $433 \mathrm{~W / (m \cdot K)}$, a density of $7849 \ \mathrm{kg} / \mathrm{m}^{3}$, and a specific heat capacity of $0.4609 \mathrm{~kJ / (kg \cdot K)}$. The initial temperature o... | $$
= 4 7 5. 9 \mathrm{~ K}
$$ | general_qa | 396 |
The following is a multiple choice question (with answers).
===Question
$K_{1} and K_{2} $ are the maximum kinetic energies of the photo electrons emitted when light of wave lengths $\lambda _{1} and \lambda _{2} $ respectively are incident on a metallic surface. If $\lambda _{1}=3\lambda _{2} $ then
===Choices
$K _{2... | (d) $K _{2}=3K _{1} $ | general_qa | 254 |
The following is a multiple choice question (with answers).
===Question
A 20 cm long annealed steel rod clamped at one end has a square cross-section with a side length of 1 cm. What are the four lowest transverse vibration frequencies? How would the frequencies change if the cross-section were circular with a radius o... | 205 Hz,1290 Hz,3610 Hz,7075 Hz;178 Hz;1118 Hz,3129 Hz,6133 Hz; $a \,=\, 0. 6 1$ cm | general_qa | 790 |
The following is a multiple choice question (with answers).
===Question
Raphael's _____ is one of his most renowned works. Through its graceful and poetic visual language, it embodies the ideals of humanism. This masterpiece also signifies the ultimate triumph of humanist thought in Renaissance art.
===Choices
School ... | Sistine Madonna. | general_qa | 109 |
The following is a multiple choice question (with answers).
===Question
In various types of memory, both ROM and RAM use random access methods. What type of memory does not use random access methods?
===Choices
Magnetic Disk
EEPROM
SSD
Flash Drive
CD-ROM
DRAM
Tape Drive
Hard Disk
Cache Memory
SRAM | CD-ROM | general_qa | 73 |
The following is a multiple choice question (with answers).
===Question
According to labor market segmentation theory, the following statements are correct:I. Workers' education level is positively correlated with wage levelsII. Workers' education level is negatively correlated with wage levelsIII. Workers' education l... | IV,V | general_qa | 151 |
The following is a multiple choice question (with answers).
===Question
There is a solenoid with a radius of 5 cm and a length of 50 cm, carrying a current of 10 A. To generate a magnetic field of 0.1 T at its center, how many turns should there be per unit length? What is the total length of wire required?
===Choices... | $$
8 \; 1 1 5 \; \mathrm{m}^{-1},\ 1 \; 2 7 5 \; \mathrm{m}
$$ | general_qa | 491 |
The following is a multiple choice question (with answers).
===Question
In the denaturation and renaturation experiments of inclusion body proteins, which of the following experimental techniques is most likely to be used?
===Choices
Spectrophotometry
Sonication
Electrophoresis
Flow Cytometry
Lyophilization
Ultrafiltr... | Dialysis | general_qa | 90 |
The following is a multiple choice question (with answers).
===Question
Solubility of $CuCl$ in $0.02\,M\,KCl$ solution at $25^oC$ is ($K_{sp}$ of $CuCl=1.7\times10^{-6}$)
===Choices
$$8.5 \times 10^{-4}$$
$$1.7 \times 10^{-5}$$
$$8.5 \times 10^{-3}$$
$$1.7 \times 10^{-4}$$
$$8.5\times10^{-5}$$
$$1.7 \times 10^{-2}$$
... | $$1.7\times10^{-3}$$ | general_qa | 179 |
The following is a multiple choice question (with answers).
===Question
Known homogeneous equation $\left( x-1 \right) y^{\prime\prime}-x y^{\prime}+y=0$ and the general solution $Y \left( x \right)=C_{1} x+C_{2} \mathrm{e}^{x}$ , non-homogeneous equation
$\left( x-1 \right) y^{\prime\prime}-x y \prime+y=\left( x-1 \ri... | $$y=-x^{2}+C_{2} \mathrm{e}^{x}+C_{4} x-1$$ | general_qa | 429 |
The following is a multiple choice question (with answers).
===Question
The number of tests in the optimal table of the symmetric formal primordial problem (MAX) is known to be $( \lambda_1, \ \lambda_2, \ ...,\lambda_n)$. The number of tests for the relaxation variable is $( \lambda_{n+1}, \ \lambda_{n+2}, \ ..., \lam... | $$-( \lambda_{n+1}, \ \lambda_{n+2}, \ ..., \lambda_{n+m })$$ | general_qa | 358 |
The following is a multiple choice question (with answers).
===Question
Female, 30 years old, experiencing paroxysmal palpitations, facial flushing, sweating, dizziness, hand tremors, headache, and nausea/vomiting for the past six months. Has experienced two episodes of extreme anxiety accompanied by a sense of impendi... | Hypothyroidism | general_qa | 160 |
The following is a multiple choice question (with answers).
===Question
The lower end of a 4m long uniform rod AB is pulled with constant speed v = 4m/s. The speed of centre of mass of the rod at $ \theta =6{ 0}^{ 0 } $ will be $ \frac { n }{ \sqrt {3 } } m/s $ . Find the value of n
===Choices
$$3$$
$$1$$
$$\frac{... | $$1$$ | general_qa | 187 |
The following is a multiple choice question (with answers).
===Question
The time period of a particle in simple harmonic motion is $T$. Assume potential energy at mean position to be zero. After a time of $T/6$ it passes its mean position, its
===Choices
velocity will be half its maximum velocity
displacement will be ... | velocity will be half its maximum velocity | general_qa | 175 |
The following is a multiple choice question (with answers).
===Question
A typical roulette wheel used in a casino has 38 slots that are numbered $1,2,3, \ldots, 36,0,00$, respectively. The 0 and 00 slots are colored green. Half of the remaining slots are red and half are black. Also, half of the integers between 1 and ... | $\frac{2}{38}$ | general_qa | 276 |
The following is a multiple choice question (with answers).
===Question
Two men, each weighing $80 \mathrm{kg}$, eat the same food every day and complete the same work. However, $\mathbf{A}$ walks to and from work for 60 minutes each day, while $\mathbf{B}$ drives a car for 20 minutes each day for commuting and spends ... | $$
4.04kg
$$ | general_qa | 211 |
The following is a multiple choice question (with answers).
===Question
A particle moves along $x$-axis as follows: It starts from rest at $t=0$ from a point $x=0$ and comes to rest at $t=1$ at a point $x=1$. No other information is available about its motion for the intermediate time $0<t <1$. If $lpha$ denotes the i... | $lpha$ cannot remain positive for all $t$ in the interval $0\le t \le 1$ | general_qa | 342 |
The following is a multiple choice question (with answers).
===Question
Using white sugar to prepare culture media can satisfy the needs of microorganisms for ( ).
===Choices
Structural Lipids
Digestive Enzymes
Active Vitamins
Essential Amino Acids
Organic Salts
Vital Proteins
Cellular Fibers
Molecular Compounds
Trace... | Trace Elements | general_qa | 82 |
The following is a multiple choice question (with answers).
===Question
Who was the first scholar in the history of economic thought to propose that the level of interest rates depends on the supply and demand of borrowed capital?
===Choices
Dudley North
David Hume
William Petty
Thomas Hobbes
Adam Smith
Richard Cantil... | Dudley North | general_qa | 86 |
The following is a multiple choice question (with answers).
===Question
A certain vibrating system satisfies the equation $u^{\prime \prime}+\gamma u^{\prime}+u=0$. Find the value of the damping coefficient $\gamma$ for which the quasi period of the damped motion is $50 \%$ greater than the period of the corresponding ... | 1.4907 | general_qa | 150 |
The following is a multiple choice question (with answers).
===Question
Choose the correct numbers of $lpha$- and $\beta$-particles given out during nuclear transformation as :$_{92}^{238}\textrm{U}\rightarrow _{82}^{214}\textrm{Pb}$
===Choices
Number of $lpha$ particles = 5
Number of $\beta$ particles = 1
Number of... | Number of $\beta$ particles = 2 | general_qa | 169 |
The following is a multiple choice question (with answers).
===Question
Which of the following statements is correct about the critical path?
===Choices
The track involving the highest number of dependencies is the critical path.
The path that requires the smallest budget is the critical path.
The route constrained by... | The path whose duration is equal to the total project duration is the critical path. | general_qa | 165 |
The following is a multiple choice question (with answers).
===Question
On the edge of the concentration triangle, the arrow points from the vertex of the triangle (the point of compound composition) to the permelter point, and from the permelter point to ( ).
===Choices
maximum phase boundary
upper solid solution
int... | low eutectic point | general_qa | 102 |
The following is a multiple choice question (with answers).
===Question
A steel rod is 0.5 m long with a radius of $0.005 \ \mathrm{m}$, and both ends are free. Determine the fundamental frequency of the rod's transverse vibration. If the rod vibrates at the fundamental frequency and the amplitude at the center of the ... | $$
f=1 7 9 \ \mathrm{H z} ; 0. 0 3 3 \ \mathrm{m}
$$ | general_qa | 441 |
The following is a multiple choice question (with answers).
===Question
Usually, enterprises applying for loans from commercial banks will obtain more information about their investment projects than banks. This information difference is () and it will cause () problems.
===Choices
asymmetric information; risk sharing... | asymmetric information; adverse selection | general_qa | 116 |
The following is a multiple choice question (with answers).
===Question
Which of the following categories can broadly classify the fruit varieties in Shigatse region? ()
I. Agricultural area fruit varieties
II. Pastoral area fruit varieties
III. Forest area fruit varieties
IV. Mountain area fruit varieties
===Choices
... | I,II,III | general_qa | 94 |
The following is a multiple choice question (with answers).
===Question
In triangle $ABC$ , the bisector of angle $A$ meets side $\overline{BC}$ at $D$ and the circumcircle of $ABC$ at $M$ . If $O_1$ and $O_2$ are the circumcenters of triangles $ABC$ and $ADC$ , respectively, and $O_1O_2 = 4$ , $MO_2 = 9$ , and $CO_2 =... | 98 | general_qa | 161 |
The following is a multiple choice question (with answers).
===Question
What does sister chromatid refer to?
===Choices
A pair of homologous chromosomes
A pair of non-homologous chromosomes
The pair of chromosomes formed during the interphase of cell division.
The pair of chromosomes replicated during the cell divisio... | The pair of chromosomes replicated during the cell division phase | general_qa | 124 |
The following is a multiple choice question (with answers).
===Question
At $27^{o}C$ a gas compressed suddenly such that its pressure becomes $\dfrac{1}{32}$ of original pressure. Final temperature in Kelvin will be $\left ( \gamma =5/3 \right )$
===Choices
82.63
75.5
75.83
74.63
76
100
80.63
74.83
75
81.63 | 75 | general_qa | 120 |
The following is a multiple choice question (with answers).
===Question
Accretion of supermassive objects surrounding the region of radiation Black holes vary a lot on 12-hour timescales. Knowing that it takes 8.32 light minutes for light to travel from the Sun to the Earth, what is the size of the region estimated in ... | $$
8 6. 5 \mathrm{A U}
$$ | general_qa | 238 |
The following is a multiple choice question (with answers).
===Question
During a certain period, the number of times a vehicle is parked is the ratio of the actual cumulative number of parks to the parking lot capacity. What is this called?
===Choices
Parking turnover rate
Vehicle stationing proportion
Parking load pe... | Parking turnover rate | general_qa | 93 |
The following is a multiple choice question (with answers).
===Question
Arrange the following indicator digits/connecting symbols used in Colon Classification (6th edition) according to their descending order :
(a).(dot)
(b)'(inverted comma)
(c):(colon)
(d);(semi-colon)
===Choices
(a),(d),(c) and (b)
(b),(a),(d) and (... | (d),(c),(a) and (b) | general_qa | 162 |
The following is a multiple choice question (with answers).
===Question
Let the population (X) be uniformly distributed on ([0, \theta]). A sample of size 1, (X_1), is drawn from this population. Which of the following (\hat{\theta}) is an unbiased estimator of (\theta)?
===Choices
(\hat{\theta} = \frac{5}{3}X_1)
(\ha... | (\hat{\theta} = 2X_1) | general_qa | 228 |
The following is a multiple choice question (with answers).
===Question
The given system equation is $y ( t )=f^{2} ( t ) \! \cdot\! u ( t )$, then the system is ( ).
===Choices
Nonlinear time-varying system
Linear time-varying system
Linear time-invariant system
Nonstatic linear time-varying system
Static linear time... | Nonlinear time-varying system | general_qa | 127 |
The following is a multiple choice question (with answers).
===Question
On a very cold day in Alaska the temperature is measured to be - 60°C. Assuming atmospheric pressure to be 100kPa, calculate the value of the saturation pressure of the water vapor in theall.
===Choices
0.00109kPa
25kPa
100kPa
0.0005kPa
5kPa
0.5kP... | 0.00109kPa | general_qa | 130 |
The following is a multiple choice question (with answers).
===Question
Perform the following operations on the given complex numbers.
(1) Express the complex number $z = -1 + 3 \mathrm{i}$ in exponential form;
(2) Calculate the complex number $\left( \frac{1-\sqrt{3} \, \mathrm{i}}{2} \right)^{3}$.
===Choices
$$
\sqr... | $$
\sqrt{1 0} \, \mathrm{e}^{i [ \operatorname{a r c t a n} (-3 )+\pi]}
$$
$$
- 1
$$ | general_qa | 556 |
The following is a multiple choice question (with answers).
===Question
The structure of the TMJ disk consisting of collagen fibers and thick elastic fibers is ( ).
===Choices
Inferior joint cartilage
Anterior synovial capsule
Medial disc ligament
Posterior temporal attachment
Lateral articular surface
Intermediate sy... | Posterior temporal attachment | general_qa | 98 |
The following is a multiple choice question (with answers).
===Question
Triangle $ABC$ has an inradius of $5$ and a circumradius of $16$ . If $2 \cos B = \cos A+\cos C$ , then the area of triangle $ABC$ can be expressed as $\frac{a\sqrt{b}}{ c}$ , where $a$ , $b$ , and $c$ are positive integers such that a and c are re... | 141 | general_qa | 165 |
The following is a multiple choice question (with answers).
===Question
What are the main tunneling technologies in underground mines?
===Choices
Hydraulic tunneling and mechanical tunneling
Biological tunneling and mechanical tunneling
Solar tunneling and mechanical tunneling
Open-pit tunneling and mechanical tunneli... | Explosive tunneling and mechanical tunneling | general_qa | 114 |
The following is a multiple choice question (with answers).
===Question
How many siblings did Elizabeth Spencer, Baroness Hunsdon, have?
===Choices
12
10
9
8
4
11
3
7
5
6 | 6 | general_qa | 54 |
The following is a multiple choice question (with answers).
===Question
The sharp cusp like eminence found on the lingual surface in the cingulum region of permanent maxillary canine is known as:
===Choices
Cingulum tubercle.
Perikymata.
Tubercle.
Cingulum eminence.
Cusp.
Cingulum tubercule.
Cingulum.
Mammeleon.
Lobes... | Tubercle. | general_qa | 97 |
The following is a multiple choice question (with answers).
===Question
Derive the relationship between the wall shear stress $\tau_{\mathrm{s}}$ and the average velocity $u_{\mathrm{b}}$ for incompressible fluid under one-dimensional steady-state laminar flow in a circular pipe.
===Choices
$$
\tau_{\mathrm{s}}=-\mu\f... | $$
\tau_{\mathrm{s}}=-\mu\frac{\mathrm{d} u} {\mathrm{d} r} \Big|_{r=r_{\mathrm{i}}}=4 \mu u_{\mathrm{b}} / r_{\mathrm{i}}
$$ | general_qa | 655 |
The following is a multiple choice question (with answers).
===Question
A wedge of mass $M$ is free to move on smooth horizontal surface. Two blocks of mass $m_1$ and $m_2$, are free to move on smooth inclined surfaces of the wedge.
If $\dfrac{m_1}{m_2} = \dfrac{\sin 2 \theta_2}{\sin 2 \theta_1}$, the wedge
===Choices... | may accelerate right ward | general_qa | 131 |
The following is a multiple choice question (with answers).
===Question
The series advance correction will increase the cutoff frequency and the high frequency amplitude of the open-loop system, and the response speed of the closed-loop system _______ and the anti-interference ability _______.
===Choices
Same rate, be... | Faster , worse. | general_qa | 102 |
The following is a multiple choice question (with answers).
===Question
What are the training methods such as cognitive cue, emotional recall, emotional transposition, consolidation and deepening, and situational performance?
===Choices
Environmental adaptation training techniques
Experiential training techniques
Trai... | Training techniques for empathy | general_qa | 100 |
The following is a multiple choice question (with answers).
===Question
In September 2022, biologists reported what number of Devils Hole Pupfish in Devils Hole, the most they'd observed in 19 years?
===Choices
265.
262.
267.
268.
261.
266.
260.
263.
269.
264. | 263. | general_qa | 91 |
The following is a multiple choice question (with answers).
===Question
What is the most suitable ecological condition for the apex community in the single apex theory?
===Choices
Climate
Predator presence
Water availability
Altitude
Nutrient levels
Human activity
Sunlight exposure
Wind patterns
Soil type
Vegetation t... | Climate | general_qa | 68 |
The following is a multiple choice question (with answers).
===Question
The economic foundation of Chiang Kai-shek's reactionary regime is ( )
===Choices
feudal landlord economy
national state capital
bureaucratic state capital
national state monopoly capital
national monopoly capital
national private capital
state-ow... | state monopoly capital | general_qa | 82 |
The following is a multiple choice question (with answers).
===Question
Which term refers to the systematic examination of operational performance and outcomes?
===Choices
Operational assessment
Function evaluation
Process audit
Efficiency review
Resource allocation
Workflow analysis
Strategic evaluation
Performance c... | Operational assessment | general_qa | 63 |
The following is a multiple choice question (with answers).
===Question
_____ is the dimension used for calculating ship stability, trim, freeboard height, and water resistance
===Choices
Molded dimensions
Perpendicular dimensions
Maximum dimensions
Registered dimensions | Molded dimensions | general_qa | 51 |
The following is a multiple choice question (with answers).
===Question
A single conservative force F(x) acts on a 1.0-kg particle that moves along the x-axis. The potential energy U(x) is given by U(x) = 20 + $(x - 2)^2$ where x is in meters. At x = 5.0 m, the particle has a kinetic energy of 20 J.The maximum and mini... | 7.38m, -2.38m | general_qa | 233 |
The following is a multiple choice question (with answers).
===Question
Given the relationship table S(NO,NAME,AGE), where AGE is the field for age, the following expression is equivalent to ().
AGE NOT BETWEEN 18 AND 24
===Choices
AGE<18 AND AGE<=24
AGE>=18 AND AGE<=24
AGE<18 OR AGE>=24
AGE<=18 OR AGE>24
AGE<=18 AND ... | AGE<18 OR AGE>24 | general_qa | 154 |
The following is a multiple choice question (with answers).
===Question
The materials in plastic packaging that have good printability are PA (Polyamide), PVC (Polyvinyl Chloride), and __________.
===Choices
PET (Polyethylene Terephthalate)
PCL (Polycaprolactone)
PTFE (Polytetrafluoroethylene)
PVDC (Polyvinylidene Chl... | PVDC (Polyvinylidene Chloride) | general_qa | 128 |
The following is a multiple choice question (with answers).
===Question
As the relative molecular mass of the polymer increases, which index of the polymer will increase?
===Choices
Surface tension
Optical clarity
Impact resistance
Melting point
Electrical resistance
Tensile strength
Apparent viscosity
Thermal conduct... | Apparent viscosity | general_qa | 73 |
The following is a multiple choice question (with answers).
===Question
Which angel is portrayed in Leonardo da Vinci's "Virgin of the Rocks"?
===Choices
The angel Michael.
The angel Seraphiel.
The angel Ariel.
The angel Uriel.
The angel Gabriel.
The angel Nathaniel.
The angel Sariel.
The angel Raphael.
The angel Bara... | The angel Uriel. | general_qa | 82 |
The following is a multiple choice question (with answers).
===Question
Which island in Antarctica is named after Livingston?
===Choices
Livingston Island, South Shetland Islands
Livingston's Island
Livingston Island, Falkland Islands
Livingston Island, South Orkney Islands
Livingston Island, Bouvet Island
Livingston ... | Livingston Island | general_qa | 98 |
The following is a multiple choice question (with answers).
===Question
The forage germplasm bank is a repository for the purpose of preserving forage ______.
===Choices
Plant genetic sources
Agricultural genetic stocks
Plant preservation items
Germplasm collections
Forage genetic reserves
Seed stock components
Geneti... | Germplasm resources | general_qa | 85 |
The following is a multiple choice question (with answers).
===Question
Given $\phi^{\Theta}( Z\mathrm{h} ^{2+ }: Zn)=-0.763 V$, the overpotential at the Zn cathode when $H_{2}$ begins to evolve is 0.72 V, and it can be assumed that $\eta^(H^+|H_{2},Pt)$ is independent of the concentration of the electrolyte in the sol... | 2.7 | general_qa | 212 |
The following is a multiple choice question (with answers).
===Question
Besides eyes and antennae, what other sensory organs does the snail have?
===Choices
touch hairs, sound receptors
taste buds, hearing organ
scent glands, humidity detector
sniffer, balance capsule
vibration pads, light sensors
whiskers, moisture s... | sniffer, balance capsule | general_qa | 98 |
The following is a multiple choice question (with answers).
===Question
In which year was the Taiwan modern dance performance groupienie enctype established?
===Choices
2008
2007
2006
2009
2005
2002
2003
2004
2000
2001 | 2004 | general_qa | 80 |
The following is a multiple choice question (with answers).
===Question
The current consumption tax, customs duty, and value-added tax in our country belong to ().
===Choices
Property Tax
Tax excluded in price
Excise Tax
Capital Gains Tax
Income Tax
Tax included in price
Corporate Tax
Sales Tax
Commodity Taxation
Serv... | Commodity Taxation | general_qa | 74 |
The following is a multiple choice question (with answers).
===Question
Among the following compounds, which one has the strongest additional polarization effect between positive and negative ions?
===Choices
CaS
LiBr
CsCl
CuO
HgS
MgO
RbI
BaF
SrBr
NaF | HgS | general_qa | 68 |
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