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
A disc of radius $R$ rolls on a horizontal surface with linear velocity $v$ and angular velocity $\omega $. A point $P$ on the circumference of the disc at $\theta $ has a vertical velocity. Then
===Choices
$$\theta = \pi + {\cos ^{ - 1}}\left( {... | $$\theta = \pi - {\cos ^{ - 1}}\left( {\frac{v}{{R\omega }}} \right)$$ | general_qa | 408 |
The following is a multiple choice question (with answers).
===Question
What sampling method is generally used in opinion polls?
===Choices
Stratified sampling
Purposive sampling
Multi-stage sampling
Self-selection sampling
Systematic sampling
Convenience sampling
Snowball sampling
Quota sampling
Cluster sampling
Rand... | Random sampling | general_qa | 67 |
The following is a multiple choice question (with answers).
===Question
Prove the stream function equation for ideal incompressible fluid under body forces with potential energy in a plane steady flow: $\nabla^{z}\psi = -f(\psi).$ Also, consider the flow as $x\to\infty$ where $u=cy^2, v=0, \frac{\partial v}{\partial x}... | $\nabla^{2}\psi=(24c^{2}\psi)^{\frac{1}{3}}$ | general_qa | 362 |
The following is a multiple choice question (with answers).
===Question
What was the first land plant to appear on Earth?
===Choices
Prionophyta
Protofungia
Gymnospermia
Bryophytema
Pteridophyta
Mouldosperma
Gymnomossia
Floridophyta
Bryophytina
Algalophyta | Gymnospermia | general_qa | 88 |
The following is a multiple choice question (with answers).
===Question
What compression technique does WOFF 2.0 use?
===Choices
Zopfli with Gzip extensions
Zopfli with Brotli and Zstd extensions
Gzip
Brotli
Deflate
Zopfli with Brotli extensions
Zopfli with Brotli and Gzip
Zopfli with Brotli and Gzip extensions
Zopfli... | Brotli | general_qa | 103 |
The following is a multiple choice question (with answers).
===Question
What is the natural angle of stability (slope stabilization angle) for loose stockpiles in general?
===Choices
Around 65°
Around 45°
Around 55°
Around 50°
Around 20°
Around 30°
Around 60°
Around 40°
Around 35°
Around 25° | Around 30° | general_qa | 96 |
The following is a multiple choice question (with answers).
===Question
For which integers n such that 3 <= n <= 11 is there only one group of order n (up to isomorphism)?
===Choices
For 4, 5, 6, and 8 only
For 4, 6, 8, and 10 only
For all integers n such that 3 <= n <= 11
For 5, 6, 7, 8, and 9 only
For 3, 5, 7, and 1... | For 3, 5, 7, and 11 only | general_qa | 197 |
The following is a multiple choice question (with answers).
===Question
Solve the integral:
$$
\int 22 \cdot \cot(-11 \cdot x)^5 \, dx
$$
===Choices
C + \frac{1}{2} \cdot \left(\cot(11 \cdot x)\right)^4 + \ln\left(1 + \left(\cot(11 \cdot x)\right)^2\right) - \frac{3}{2} \cdot \left(\cot(11 \cdot x)\right)^2
C + \frac{... | C + \frac{1}{2} \cdot \left(\cot(11 \cdot x)\right)^4 + \ln\left(1 + \left(\cot(11 \cdot x)\right)^2\right) - \left(\cot(11 \cdot x)\right)^2 | general_qa | 777 |
The following is a multiple choice question (with answers).
===Question
The term "____" refers to the ____ of human activity areas, including both direct and indirect boundaries.
===Choices
movement area, perimeter extents
utilization field, boundary lines
activity space, boundary limits
action zone, boundary restrict... | activity space, boundary limits | general_qa | 99 |
The following is a multiple choice question (with answers).
===Question
What were the year and month when Instagram also began to pilot the removal of the "Following" tab from the app, which had allowed users to view a feed of the likes and comments made by users they follow?
===Choices
September 2019
October 2019
Jun... | August 2019 | general_qa | 129 |
The following is a multiple choice question (with answers).
===Question
Patient, female, 65 years old, was found to have a mass in the right breast during a medical examination. The patient has no family history of tumors. Biopsy pathology diagnosed as invasive ductal carcinoma of the breast, but the patient refused su... | HER2 gene amplification | general_qa | 188 |
The following is a multiple choice question (with answers).
===Question
Using BPO as the initiator, a study on the kinetics of styrene polymerization was conducted at 60°C, with the data as follows: $\big[ \mathrm{M} \big]= 8.53 \mathrm{~mol} \cdot\mathrm{L}^{-1}, [ I ]=4.0 \times 10^{-3} \mathrm{~mol} \cdot\mathrm{L}^... | $$
2. 4 6 {\times} 1 0^{3},\ 0.82\ \mathrm{s}
$$ | general_qa | 554 |
The following is a multiple choice question (with answers).
===Question
A satellite is revolving around earth with orbital speed $v_{0}$. If it stops suddenly, find the speed with which it will strike the surface of earth. $(v_{e} =$ escape velocity).
===Choices
$$\sqrt{v_{e}^{2} - 4v_{0}^{2}}$$
$$\dfrac {v_e^{2}}{v_0... | $$\sqrt {v_{e}^{2} - 2v_{0}^{2}}$$ | general_qa | 261 |
The following is a multiple choice question (with answers).
===Question
With respect to hypochlorite, chlorate and perchlorate ions, choose the correct statement(s).
===Choices
The chlorate ion reduces the sulfite ion.
The molecular shape of only chlorate ion is influenced by the lone pair of electrons of Cl.
The hypo... | The hypochlorite ion oxidizes the sulfite ion. | general_qa | 138 |
The following is a multiple choice question (with answers).
===Question
For an existing air conditioning water system, when adjusting the water flow to 80% of the pump's rated flow using valve regulation and variable frequency pump regulation, which of the following statements about the water valve is correct?
===Choi... | The pump efficiency is higher when using variable frequency regulation | general_qa | 170 |
The following is a multiple choice question (with answers).
===Question
Given :
Enthalpy of combustion of methane $\Delta_rH = -890.36 kJ \, mol^{-1}$
Enthalpy of combustion of C (graphite) $\Delta_rH = -393.51 kJ \, mol^{-1}$
$H_2 (g) + \dfrac{1}{2} O_2 (g) \rightarrow H_2 O (l)$ $\Delta_r H = -285.... | $$-415.85 \, kJ \, mol^{-1}$$ | general_qa | 432 |
The following is a multiple choice question (with answers).
===Question
When measuring the horizontal and vertical angles with an optical theodolite, the relationship between the scales and the reading indicators is ().
===Choices
The horizontal scale rotates while the reading indicator remains stationary with the ali... | The horizontal scale remains stationary while the reading indicator rotates with the alidade; the vertical scale rotates with the telescope while the reading indicator remains stationary. | general_qa | 305 |
The following is a multiple choice question (with answers).
===Question
How many positive odd integers between $0$ and $999$ inclusive can be written as sum of $3$ odd composite positive integers?
===Choices
483
485
482
477
478
479
484
486
480
481 | 481 | general_qa | 86 |
The following is a multiple choice question (with answers).
===Question
There is a shell-and-tube heat exchanger equipped with 150 steel tubes, each 2 meters long. The task is to heat air at an atmospheric pressure with a mass flow rate of $4000\mathrm{kg}/\mathrm{h}$ from 32°C to 97°C within the tube side, using 120°C... | $$
9 0. 1 \mathrm{W / ( m^{2} \cdot K )}
$$ | general_qa | 540 |
The following is a multiple choice question (with answers).
===Question
What device in a hydroelectric power station is used to convert the kinetic energy of water flow into mechanical energy?
===Choices
Water Pump Generator
Generator
Water Wheel
Water Pump Turbine Generator
Water Generator
Water Pump Turbine
Water Pu... | Turbine | general_qa | 77 |
The following is a multiple choice question (with answers).
===Question
What feature is common to algae, mosses, and ferns?
===Choices
The presence of seeds and pollen in reproduction.
All possess vascular tissues for nutrient transport.
Dependence exclusively on animal pollination for reproduction.
Light and pigments... | They all reproduce asexually through spores. | general_qa | 132 |
The following is a multiple choice question (with answers).
===Question
Which was the earliest ballet produced in the New China after its establishment?
===Choices
"Red Detachment of Women"
"Peony Pavilion Revival"
"Great Leap Forward Ballet"
"Cultural Blossoms Scene"
"Revolutionary Spring Ballet"
"Song of the Arirang... | "Red Detachment of Women" | general_qa | 96 |
The following is a multiple choice question (with answers).
===Question
Let the rank of the vector group [{alpha _1} = left( {begin{array}{*{20}{c}}{1 + lambda }11end{array}} right),{alpha _2} = left( {begin{array}{*{20}{c}}1{1 + lambda }1end{array}} right),{alpha _3} = left( {begin{array}{*{20}{c}}11{1 + lambda }end{a... | -3; | general_qa | 178 |
The following is a multiple choice question (with answers).
===Question
Among the following monomers, the one that cannot undergo anionic polymerization is ( )
===Choices
Aromatic vinyl compound
Alkyl vinyl ether
Aromatic acrylate polymer
Aliphatic ester compound
Alkyl ketone polymer
Aliphatic ketone polymer
Aromatic ... | Alkyl vinyl ether | general_qa | 107 |
The following is a multiple choice question (with answers).
===Question
Two opposite forces $F_1 = 120N \:and \:F_2 = 80N$ act on an heavy elastic plank of modulus of elasticity $y=2\times 10^{11}N/m^2$ and length $L = 1m$ placed over a smooth horizontal surface. The cross-sectional area of plank is $A = 0.5m^2$. If th... | 1 | general_qa | 152 |
The following is a multiple choice question (with answers).
===Question
When the rotor resistance increases, the maximum slip and the mechanical characteristic curve of the asynchronous motor move in the direction of ( ), while the value of the maximum torque remains unchanged.
===Choices
s=1.2
s>1
s<1
s=0
s=1.3
s=1
s... | s>1 | general_qa | 99 |
The following is a multiple choice question (with answers).
===Question
How long can the ATP reserves in muscles sustain continuous high-intensity activity during exercise?
===Choices
23-25 seconds
13-16 seconds
7-9 seconds
26-28 seconds
5-8 seconds
20-22 seconds
10-12 seconds
3-6 seconds
1-2 seconds
17-19 seconds | 5-8 seconds | general_qa | 95 |
The following is a multiple choice question (with answers).
===Question
How far does a beam of pions with kinetic energy of 1 $MeV$ for $\pi^+) $?
===Choices
94cm
84cm
100cm
98cm
88cm
96cm
102cm
86cm
104cm
92cm | 94cm | general_qa | 84 |
The following is a multiple choice question (with answers).
===Question
Which of the following methods detects multiple test substances with a single marker?
===Choices
Western blot analysis
Immunoprecipitation sequence analysis
Flow cytometry assay
Microarray chip decoding
ELISA indirect method
MRI imaging technique
... | ELISA indirect method | general_qa | 81 |
The following is a multiple choice question (with answers).
===Question
Which of the following statements about reinforcement theory is correct?
===Choices
Positive reinforcement refers to punishing behaviors that do not align with organizational goals, thereby weakening or eliminating them
Reinforcement theory was fi... | Negative reinforcement should primarily be implemented as continuous negative reinforcement. | general_qa | 97 |
The following is a multiple choice question (with answers).
===Question
When Party A endorses and transfers a bill to Party B, Party A does not record Party B's name in the endorse to field. After discovering this, Party B fills in their own name in the endorse to field. Which of the following statements about the vali... | Valid | general_qa | 159 |
The following is a multiple choice question (with answers).
===Question
A spacecraft reenters the atmosphere with a surface shell temperature of $1000^{\circ} \mathrm{C}$ and then falls into an ocean with a temperature of $5^{\circ} \mathrm{C}$. The heat transfer coefficient between the seawater and the shell surface i... | $$
5 2 2^{0} C
$$ | general_qa | 327 |
The following is a multiple choice question (with answers).
===Question
In an acidic indicator 'Hln' has ionization constant is $10^{-8}$. The acid form of indicator is yellow and alkaline from is red. Which is correct statement?
(Given: $log2=0.3,log3=0.48$)
===Choices
Change in pH is 0.96 when $75\%$ yellow colour c... | pH of indicator is 8.3 when ratio of acid form to alkaline form is 2 | general_qa | 271 |
The following is a multiple choice question (with answers).
===Question
For free radical polymerization terminated by bimolecular interaction, if each macromolecule contains 1.3 initiator residues, assuming no chain transfer reaction occurs, what are the relative quantities of coupling termination and disproportionatio... | $$
4 6 \ \%,\ 5 4 \ \%
$$ | general_qa | 241 |
The following is a multiple choice question (with answers).
===Question
To launch a planet from Earth at the third cosmic velocity $v_{3}$ directly towards the Sun ("directly towards the Sun" means relative to Earth).What is the trajectory equation ? (assuming Earth's orbit is approximately circular).
===Choices
$r=\f... | $r=\frac{R_{\mathrm{se}}}{1+v_3\sqrt{\frac{R_{\mathrm{se}}}{GM_s}}\cos\left(\theta-\frac{\pi}{2}\right)}.$ | general_qa | 532 |
The following is a multiple choice question (with answers).
===Question
Among the raw materials for magnesium smelting, what is the chemical formula of dolomite?
===Choices
$\text{CaPO}_4 \cdot \text{MgPO}_4$
$\text{CaCO}_3 \cdot \text{MgCO}_3$
$\text{CaSO}_4 \cdot \text{MgSO}_4$
$\text{CaCO}_3 \cdot \text{MgCO}_2$
$\... | $\text{CaCO}_3 \cdot \text{MgCO}_3$ | general_qa | 237 |
The following is a multiple choice question (with answers).
===Question
In an elastic collision of two particles with masses $m_1$ and $m_2$, the initial velocities are $\mathbf{u}_1$ and $\mathbf{u}_2=\alpha \mathbf{u}_1$. If the initial kinetic energies of the two particles are equal, find the conditions on $u_1 / u_... | $3 \pm 2 \sqrt{2}$ | general_qa | 219 |
The following is a multiple choice question (with answers).
===Question
In which year did the Legislative Yuan of Taiwan pass the 'Physical Therapist Act'?
===Choices
1996
1999
1993
1992
1991
1998
1994
1990
1995
1997 | 1995 | general_qa | 84 |
The following is a multiple choice question (with answers).
===Question
In which year was the position of Senior Enlisted Advisor to the Chairman officially established for the first time?
===Choices
1947
2001
2012
1949
2005 | 2005 | general_qa | 62 |
The following is a multiple choice question (with answers).
===Question
Who advocated self-reliance in building guns and ships to develop China's naval industry?
===Choices
Yu Qiaqing
Zhang Zhidong
Zeng Guofan
Wang Jingwei
Cai E
Kang Youwei
Huang Xing
Sun Yat-sen
Yuan Shikai
Li Hongzhang | Zeng Guofan | general_qa | 87 |
The following is a multiple choice question (with answers).
===Question
Who was the Prime Minister of Japan during Ok mAbe Jun's tenure as Minister of Finance?
===Choices
Taro Kuroda
Taro Aso
Yoshihiko Noda
Naoto Kan
Shinzo Abe | Yoshihiko Noda | general_qa | 62 |
The following is a multiple choice question (with answers).
===Question
Rank the following turbocharging systems based on the vibration performance of turbine blades: 1.Twin-pulse 2.Triple-pulse 3.Pulse-conversion 4.MPC 5.Constant-pressure
===Choices
52431
13542
54321
12345
32145
54231
23541 | 54321 | general_qa | 101 |
The following is a multiple choice question (with answers).
===Question
The rate of the CO reduction reaction on the ore ball falls within the external diffusion range, with the Sherwood number equation $Sh = 2 + 0.16 Re^{2/3}$. The diameter of the ore ball is $d = 2 \times 10^{-3} \, \mathrm{m}$; the airflow velocity ... | $$
0. 4 4 1 \ \mathrm{m / s},4. 7 6 \times1 0^{-4} \mathrm{~ m}
$$ | general_qa | 588 |
The following is a multiple choice question (with answers).
===Question
What stage are most of the cells within dormant seeds in?
===Choices
State of Preservation
Phase G2
Epoch of Resilience
Phase G1
S phase
Period of Enlightenment
Moment of Silence
Stage M
Cycle of Restfulness
Duration of Dormancy | Period of Enlightenment | general_qa | 70 |
The following is a multiple choice question (with answers).
===Question
What type of fruit does a banana belong to, and which structural part constitutes the main edible portion?
===Choices
Pomes and Samaras; Pericarp and Peduncle
Hesperidiums and Drupes; Endosperm and Anther
Achene and Legumes; Cotyledon and Ovary
Be... | Berries and Pseudocarps; Endocarp and Receptacle | general_qa | 174 |
The following is a multiple choice question (with answers).
===Question
The Burgundian School is also known as ________.
===Choices
The Renaissance Madrigal School
The Classical Period School
The Neoclassical Music School
The Second Viennese School
The Baroque Style School
The Romanesque Music School
The Ars Subtilior... | The First Netherlandish School | general_qa | 96 |
The following is a multiple choice question (with answers).
===Question
The relation between $U(r)$ and r for diatomic molecule is given as $U(r)=\dfrac{a}{r^{12}} - \dfrac{b}{r^5}$The energy of dissociation of the molecule if given as
===Choices
$$\dfrac{b^2}{8a^2}$$
$$\dfrac{b^2}{4a^2}$$
$$\dfrac{b^2}{4a}$$
$$\dfrac... | $$\dfrac{b^2}{4a^2}$$ | general_qa | 194 |
The following is a multiple choice question (with answers).
===Question
A charged particle with mass (m) and charge (q) is shot into a uniform magnetic field (\vec{B}) at an angle (\theta) with a velocity (v). The trajectory of the charged particle is a helix. To increase the pitch of the helix, which of the following ... | Decrease the magnetic field (B); | general_qa | 157 |
The following is a multiple choice question (with answers).
===Question
The works written by Tan Sitong during the Wuxu Reform period to promote the ideas of reform and innovation are as follows ().
===Choices
Reflections on Modern Governance
The Study of Benevolence
The Path to National Renewal
Japanese Political Cha... | The Study of Benevolence | general_qa | 110 |
The following is a multiple choice question (with answers).
===Question
Two power line construction routes are being considered. Route A is 15 miles long and goes around a lake. Each mile will cost $6,000 to build and $2,000 a year to maintain. At the end of fifteen years, each mile will have a salvage value of $3,000.... | $41,558 for Route A and $23,654 for Route B | general_qa | 405 |
The following is a multiple choice question (with answers).
===Question
There is a two-stage compression one-throttling ammonia-22 refrigeration device, $t_k$= 35°C, $t_0$= -38°C, the temperature of the liquid refrigerant in front of the auxiliary expansion valve is 39°C, the temperature of the liquid refrigerant in fr... | $4.04 (\text{kgf/cm}^2)$ | general_qa | 283 |
The following is a multiple choice question (with answers).
===Question
In a battle, both the Red and Blue sides each have 3 attack options. The payoff matrix for both sides under different tactical combinations is as follows (the first number represents the payoff for the Red side, and the second number represents the... | (Red2, Blue2) | general_qa | 218 |
The following is a multiple choice question (with answers).
===Question
What is the primary function of the effector in a reflex arc?
===Choices
Reaction occurred
Integrated Analysis Information
Conducting Information
Analysis conducted
Challenge processed
Information gathered
Reaction delayed
Stimulus Reception and R... | Reaction occurred | general_qa | 73 |
The following is a multiple choice question (with answers).
===Question
L:1/4
M:none
K:C
A A A A |] %1 How many parts replace the basic division?
===Choices
L:1/4
M:none
K:C
A3 z |] %1
L:1/4
M:none
K:C
AAA z z4 |] %1
L:1/4
M:none
K:C
A3 z z4 |] %1
L:1/4
M:none
K:C
A A A z |] %11 | L:1/4
M:none
K:C
A A A z |] %11 | general_qa | 129 |
The following is a multiple choice question (with answers).
===Question
In a temperature measurement system using LM35 sensor and ADC0801, if the reference voltage ($V_{ref}$) needed is 2.56V for an 8-bit ADC with 10mV resolution per bit, what voltage input ($V_{in}$) is required for the ADC0801?
===Choices
$1.12V
$1.... | $1.28V | general_qa | 156 |
The following is a multiple choice question (with answers).
===Question
Let $C$ be the smooth projective curve over $\mathbb{C}$ with affine equation $y^{2}=f ( x )$ , where $f \in\mathbb{C} [ x ]$ is a square-free monic polynomial of degree $d=2 n$ .
What is the deficit of $C$?
===Choices
$n-1$
$n+1$
$2n-1$
$n^{2}-1$... | $n-1$ | general_qa | 136 |
The following is a multiple choice question (with answers).
===Question
When the dead space volume doubles, the ventilation/perfusion ratio of the lung will ( ).
===Choices
quadruple in amount
stay constant over time
double
diminish to zero
incrementally reduce in value
halve
decrease marginally
increase, but less tha... | decrease, but less than halve | general_qa | 86 |
The following is a multiple choice question (with answers).
===Question
The commonly used item for industrial standard sieve numbers in China refers to ( ).
===Choices
The number of sieve holes per inch length
The number of sieve holes per centimeter length
The diameter of the sieve holes in inches
The thickness of th... | The number of sieve holes per inch length | general_qa | 127 |
The following is a multiple choice question (with answers).
===Question
In assessing metabolic processes we are usually more interested in the work that may be performed for the consumption of a given mass of compound than the heat it can produce (which merely keeps the body warm). What is the maximum energy that can b... | $$
{3. 1 \times1 0^{4} \mathrm{~ k J}}
$$ | general_qa | 392 |
The following is a multiple choice question (with answers).
===Question
In how many ways can 8 people be seated at 5 identical round tables? Each table must have at least 1 person seated.
===Choices
2160
2060
1460
1760
1660
2560
1960
1860
2260
1560 | 1960 | general_qa | 94 |
The following is a multiple choice question (with answers).
===Question
A $\mathbf{p}$-type semiconductor sample measuring 30 mm in length, 6 mm in width, and 1 mm in thickness, has a resistance of $500\Omega$. When placed in a 0.5 T magnetic field perpendicular to the sample plane and a current of 10 mA passes through... | $$
1 0^{2} [ \mathrm{\ c m^{2} ( \ V \cdot\ s )} ]
$$ | general_qa | 402 |
The following is a multiple choice question (with answers).
===Question
There is a cylindrical buoy, 1.8m in height and 1.35m in diameter, with a mass of 770kg, and its center of gravity is 0.9m from the bottom. Prove that this buoy cannot stably float upright in seawater with a density of 1025kg/m³. If a chain is atta... | $$
4 6 3 6 \mathrm{N}
$$ | general_qa | 309 |
The following is a multiple choice question (with answers).
===Question
Arrange in sequence the following E-Journal Consortia in India according to their year of establishment :
(a)National Knowledge Resource Consortium
(b)IIM Library Consortium
(c)Consortium for e-Resources in Agriculture
(d)INDEST-AICTE Consortium
=... | (b),(d),(c),(a) | general_qa | 151 |
The following is a multiple choice question (with answers).
===Question
A machine is blowing spherical soap bubbles of different raddi filled with helium gas. It is found that if the bubbles have a radius smaller than $1 cm$, then they sink to the floor in still air. Larger bubbles float in the air. Assume that the thi... | $$3.50 \mu m$$ | general_qa | 268 |
The following is a multiple choice question (with answers).
===Question
In a certain computer system, the main memory address has m bits, and the machine word length is n bits, where m > n. If the instruction set uses a fixed-length format, the direct register addressing mode has the fastest execution speed, while the ... | Direct Register Addressing Mode | general_qa | 185 |
The following is a multiple choice question (with answers).
===Question
If linear programming can be calculated using the simplex method without adding artificial variables ( ).
===Choices
There is definitely an optimal solution
There is definitely a feasible solution
All constraints are in the form of less than or eq... | There is definitely a feasible solution | general_qa | 94 |
The following is a multiple choice question (with answers).
===Question
In which Vermont town was politician Charles Jairus Adams born in 1917?
===Choices
Barre, Washington County
Windsor, Windsor County
Rutland, Rutland County
Montpelier, Washington County
Barre, Orange County
Windsor, Orange County
Windsor, Washingt... | Randolph, Orange County | general_qa | 104 |
The following is a multiple choice question (with answers).
===Question
To some extent, the continuous expansion of the U.S. President's powers is a historical inevitability. What is the most fundamental reason for this?
===Choices
At the end of the 19th century, imperialist competition entered a white-hot stage, and ... | The development of industrialization and urbanization led to the intensification of socio-economic contradictions, and only a government with expanded size and powers could address these contradictions. | general_qa | 403 |
The following is a multiple choice question (with answers).
===Question
L:1/16
M:2/4
K:C
F4 F4 | F/F/(3:2:5F/F/F/ z/ z (9:8:15F/4F/4F/4F/4F/4F/4F/4F/4F/4 z/4 z/ z/ z/4 z/4 z/ z |] %2 The total duration value of the measures is:
===Choices
L:1/4
M:6/4
K:C
c2 z z2 z |] %1
L:1/4
M:6/4
K:C
c6 |] %1
L:1/4
M:6/4
K:C
A3 z2 z... | L:1/4
M:6/4
K:C
c4 z z |] %1 | general_qa | 212 |
The following is a multiple choice question (with answers).
===Question
The ancients proposed the method of "accumulating good deeds" to cultivate oneself. Where did this come from?
===Choices
Xunzi put forward this in the "Encouragement to Study"
Confucius proposed in The Analects of Confucius
Lao Tzu put forward thi... | Xunzi put forward this in the "Encouragement to Study" | general_qa | 158 |
The following is a multiple choice question (with answers).
===Question
An unconfined compression test was conducted on a certain saturated soft clay, yielding a shear strength of 80 kPa. If the same soil sample undergoes a triaxial unconsolidated undrained shear test with a confining pressure of 180 kPa, at what verti... | $$
8 0 k P a
$$ | general_qa | 212 |
The following is a multiple choice question (with answers).
===Question
The main basis for human lg to be divided into five categories is ().
===Choices
Protein Length
Molecular weight size
Monomer Count
Light chain antigen location
Number of Disulfide Bonds
Position of Disulfide Bonds
Heavy chain antigenicity
Light C... | Heavy chain antigenicity | general_qa | 83 |
The following is a multiple choice question (with answers).
===Question
The number of doctors in a certain region has increased year by year, with the year-on-year growth rates for the years 1993, 1994, and 1993 being 89%, 18%, and 15%, respectively. By what percentage has the number of doctors in this region increased... | 4 6. 5 6 % | general_qa | 157 |
The following is a multiple choice question (with answers).
===Question
Carburize the steel with a carbon mass fraction of 0.1%, keeping the carbon mass fraction on the surface of the steel at 1.2% during the carburization process. It is required that the carbon mass fraction be 0.45% at 2 mm below the surface. Given $... | 28.4h | general_qa | 172 |
The following is a multiple choice question (with answers).
===Question
The dielectric between certain coaxial cylindrical electrodes is $\mathrm{SF}_{6}$ gas, and its breakdown field strength $E_{\mathrm{b}}$ follows a Gumbel distribution, with distribution parameters $\eta\!=\! 177 \mathrm{kV/cm}, \ \gamma\!=\! 5.67 ... | $$
1 6. 9 2 \%
$$ | general_qa | 258 |
The following is a multiple choice question (with answers).
===Question
Given the following product, which of the following keyword sets is most suitable for it?
Product Title: Fishing Tackle Lots,Fishing Baits Kit Set with Free Tackle Box,for Freshwater Trout Bass Salmon with Fishing Plier
Product Description: Fishing... | fishing lure, tackle kit, lake | general_qa | 307 |
The following is a multiple choice question (with answers).
===Question
The transformation process of the young people with bad moral character generally goes through the awakening stage, the transformation stage and ___.
===Choices
Adaptation stage
Repeated stage
Reformation stage
Realization stage
Awareness stage
Re... | Self-Renewal stage | general_qa | 81 |
The following is a multiple choice question (with answers).
===Question
A wooden block of mass $2 m$ is hung with the help of a light string of length $l$ in the vertical plane.A bullet of mass $\frac { m } { 4 }$ moving horizontally with velocity $v _ { 0 } \left( v _ { 0 } = \sqrt { 5 g l } \right)$ penetrates the bl... | $$\frac { v _ { 0 } ^ { 2 } } { 256 g }$$ | general_qa | 334 |
The following is a multiple choice question (with answers).
===Question
Given the data $25^0C$$Ag+I^+\longrightarrow AgI+e^-$ $E=0.152 V$$Ag\longrightarrow Ag^+ + e^-$ $E=-0.800 V$What is the value of $LogK_{sp}$ for $AgI\left[ 2.303\cfrac { RT }{ F } =0.059V \right] $
===Choices
+8.10
-8.10
+8.610
-... | +8.612 | general_qa | 187 |
The following is a multiple choice question (with answers).
===Question
The early clinical manifestations of pediatric tuberculous meningitis are ____.
===Choices
increased energy levels
clear skin improvement
immediate muscle mass
loss of appetite
improved concentration
change of character
noticeable height growth
en... | change of character | general_qa | 75 |
The following is a multiple choice question (with answers).
===Question
In the design of gas pipelines, what is the general slope of the pipeline that should be maintained?
===Choices
1%
12%
6%
5%
15%
3%
10%
4%
2%
8% | 1% | general_qa | 60 |
The following is a multiple choice question (with answers).
===Question
_______water in soil is one type of soil water. After the film water is filled, the moisture retained in the capillary pores through capillary action (curved liquid surface tension) is called capillary water.
===Choices
Atmospheric
Surface
Capilla... | Capillary | general_qa | 92 |
The following is a multiple choice question (with answers).
===Question
Who was the first South Korean president to be born after the founding of South Korea?
===Choices
Lee Myung-bak
Kim Dae-jung
Moon Jae-in
Park Geun-hye | Park Geun-hye | general_qa | 55 |
The following is a multiple choice question (with answers).
===Question
When conducting market segmentation, an aluminum products manufacturing company first divided the aluminum products market into automotive manufacturing, residential construction, and beverage container manufacturing industries, and selected the re... | End users → Product application → Customer size → User requirements | general_qa | 184 |
The following is a multiple choice question (with answers).
===Question
Titrate the same concentration of Pb2+ with 0.020 mol/L EDTA in an ammoniacal buffer containing tartrate (A) at pH=10. It is known that lgK(PbY)=18.0, lgY(H)=0.5, lgPb(OH)=2.7, and lgPb(A)=2.8 at the stoichiometric point (Pb2+ forms a 1:1 complex w... | 14.4; 8.5; 8.2; 11.3 | general_qa | 303 |
The following is a multiple choice question (with answers).
===Question
Consider a thoroughly mixed vessel where a salt is dis-solved inwater. The volume of the fresh water initially in the tank is 100lbm.The inlet conditions are,ṁ_w= 150 lb/hr. and ṁ_s= 30 lb/hr. The resulting solution leaves at a rate of 120 lb/hr. I... | 0.26 | general_qa | 168 |
The following is a multiple choice question (with answers).
===Question
What does stochastic mean?
===Choices
None of the other choices
Probabilistic
Random
Spontaneous
Warming
Unpredictable
Chaotic
Uncertain
Variable
Cooling | Random | general_qa | 55 |
The following is a multiple choice question (with answers).
===Question
What are the reversible pathological changes in arterioles in primary hypertension?
===Choices
Hyperplasia of the endothelial lining
Neointimal hyperplasia enhancing luminal narrowing
Smooth muscle atrophy of the vascular wall
Fatty infiltration i... | Vascular spasm | general_qa | 111 |
The following is a multiple choice question (with answers).
===Question
De-Broglie wavelength of two particles $A$ and $B$ are plotted against $\left (\dfrac {1}{\sqrt {V}}\right )$; where $V$ is potential on the particle. Which of the following relation is correct about mass of particle.
===Choices
$$M_{A} \geq M_{B}... | $$M_{A} > M_{B}$$ | general_qa | 198 |
The following is a multiple choice question (with answers).
===Question
'$n$' droplets of equal size of radius $r$ coalesce to form a bigger drop of radius $R$. The energy liberated is equal to _________.
($T=$ Surface tension of water)
===Choices
4\pi { r }^{ 2 }T\left[ { n }^{ { 1 }/{ 2 } }-1 \right]
$$4\pi { R }^{ ... | $$4\pi { R }^{ 2 }T\left[ { n }^{ { 1 }/{ 3 } }-1 \right] $$ | general_qa | 356 |
The following is a multiple choice question (with answers).
===Question
Kelvin the Frog calls a $5$ -digit integer $\overline{d_1d_2d_3d_4d_5}$ " cool beans" if each of the $d_i$ are nonzero and pairwise distinct (e.g. no two digits are the same), $d_1 < d_2 < d_3$ and $d_3 > d_4 > d_5$ . For example, the integer $1893... | 756 | general_qa | 191 |
The following is a multiple choice question (with answers).
===Question
A Body of mass m, moving along the positive X-direction is subjected to a resistive force $F = K{v^2}$ ( where K is a constant and v the particle velocity). If $m = 10kg,v = 10m/s\;{\text{at}}\;t = 0,\;{\text{and}}\;K = 2N/{m^2} - {s^{ - 2}}$ the ... | $$-\dfrac{{10}}{3}m/s$$ | general_qa | 262 |
The following is a multiple choice question (with answers).
===Question
Who is considered the founder of the concept of the paradigm in the philosophy of science within the history and philosophy of science?
===Choices
Imre Lakatos
Thomas Kuhn
Paul Feyerabend
Karl Popper | Thomas Kuhn | general_qa | 60 |
The following is a multiple choice question (with answers).
===Question
In Resonance tube experiment, if $400\ Hz$ tuning fork is used, the first resonance occurs when length of air column in the tube is $19\ cm$. If the $400\ Hz$. tuning fork is replaced by $1600\ Hz$ tuning fork then to get resonance, the water level... | $$5\ cm$$ | general_qa | 159 |
The following is a multiple choice question (with answers).
===Question
Let $E_{k} \subset [0, 1] \, (k=1, 2, \ldots, N)$ be measurable sets, where the union of any three of them is $[0, 1]$. Define $S_{1}=\sum_{k=1}^{N} m(E_{k})$, and
$$
S_{2}=\sum_{j=1}^{N} \sum_{k=1}^{N} m(E_{j} \cap E_{k}), \quad S_{3}=\sum_{1 \leq... | $$
\int_{0}^{1} \bigl( \sum_{k=1}^{N} \chi_{E_{k}} ( x ) \bigr)^{3} \mathrm{d} x=S_{1}+\, 6 S_{2}+\, 6 S_{3}
$$ | general_qa | 881 |
The following is a multiple choice question (with answers).
===Question
Let $\tilde{x}(m) = DFS[\tilde{x}(n)] ,\tilde{y}(m) = DFS[\tilde{y}(n)]$, where it is known that
$$
\tilde{Y}(m) = W_{4}^{-m} \tilde{X}(m)
$$
If
$$
\tilde{x}(n) = \{..., 4, 3, 2, 1, ...\}
$$
then find the principal range of $\tilde{y}(n)$ is { ____... | $3,2,1,4$ | general_qa | 240 |
The following is a multiple choice question (with answers).
===Question
A 36-year-old female was admitted to the hospital with high fever, cough with sputum, and numerous petechiae on her limbs for one week. Physical examination: temperature 39.6°C, appearance of anemia, purpura on the skin, no superficial lymphadenopa... | Aplastic anemia | general_qa | 294 |
The following is a multiple choice question (with answers).
===Question
For long ships, the bottom structure has many longitudinal members and densely arranged inclined stiffeners. This structure belongs to
===Choices
Longitudinal framing system
None of the above
Transverse framing system
Combined framing system | Combined framing system | general_qa | 59 |
The following is a multiple choice question (with answers).
===Question
The magnitude of the electrostatic force between two identical ions that are separated by a distance of $5.0 \times 10^{-10} \mathrm{~m}$ is $3.7 \times 10^{-9}$ N. What is the charge of each ion?
===Choices
$3.2$ $10^{-19} \mathrm{C}$
$5.0 \times... | $3.2$ $10^{-19} \mathrm{C}$ | general_qa | 265 |
The following is a multiple choice question (with answers).
===Question
What is the Chinese compass instrument used for when determining a straight line?
===Choices
True azimuth
Local azimuth
Geographic azimuth
Navigational azimuth
Celestial azimuth
Solar azimuth
Relative azimuth
Quadrant angle
Coordinate azimuth
Magn... | Magnetic azimuth | general_qa | 66 |
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