problem stringlengths 14 4.09k | solution stringlengths 1 802k | task_type stringclasses 3
values | problem_tokens int64 5 895 |
|---|---|---|---|
The following is a multiple choice question (with answers).
===Question
Let $X_1 \sim P(\lambda_1), X_2 \sim P(\lambda_2)$. Under the condition $X_1 + X_2$ = $n(n = 1, 2, \cdots)$, the conditional distribution of $X_1$ is ().
===Choices
$b\left(n,\frac{\lambda_i}{\lambda_2+\lambda_2}\right).$
$P\left(n,\frac{\lambda_1... | $b\left(n,\frac{\lambda_i}{\lambda_1+\lambda_2}\right).$ | general_qa | 313 |
The following is a multiple choice question (with answers).
===Question
The freezing point of a solution containing $50 \ cm^3$ of ethylene glycol in 50 g of water is found to be $-4^oC$. Assuming ideal behaviour, the density of ethylene glycol $(K_f$ for water $=1.86 K kg mol^{-1}$) is:
===Choices
1.033\ g/cm^3
None ... | $$1.133\ g/cm^3$$ | general_qa | 195 |
The following is a multiple choice question (with answers).
===Question
A male patient is admitted to the hospital with "sensory and motor deficits in all four limbs for 5 hours after falling from the 6th floor due to working at height", the correct position is ___.
===Choices
in the supine position the lower limbs ar... | in the supine position the upper limbs are positioned with the shoulders up to prevent retraction, and both upper limbs are placed on either side of the body with mild abduction | general_qa | 346 |
The following is a multiple choice question (with answers).
===Question
Ways to regulate educational supply and demand relationships:I. Market regulationII. Government regulationIII. Combined regulation by government and marketIV. Planned regulationV. Administrative regulation
===Choices
II,IV,V
II,III,IV
III,IV,V
I,I... | I,II,III,IV,V | general_qa | 111 |
The following is a multiple choice question (with answers).
===Question
A planet lies at a distance of $3 \times1 0^{1 1}$ m from the central star of its solar system. The solar constant is measured to be $280 \mathbf{Wm}^{-2}$ . The angular diameter of the star, as measured from the planet, is 22 arcmin. Estimate the ... | $$
4. 6 9 \times1 0^{3} \mathrm{K}
$$ | general_qa | 325 |
The following is a multiple choice question (with answers).
===Question
A beam of light having $\lambda$ between $5\times {10}^{-7}m$ and $6\times {10}^{-7}m$ is incident on a sample of atomic hydrogen. If the atoms are in first excited state, the wavelength which will have low intensity in the transmitted beam is
(Tak... | $$5.11\times {10}^{7}m$$ | general_qa | 258 |
The following is a multiple choice question (with answers).
===Question
Two moles of helium are mixed with n moles of hydrogen.If $\frac{Cp}{Cv}$$=\frac{3}{2}$ for the mixture , then the value of n is
===Choices
3/4
5/2
1
3
1/4
5/4
1/2
3/2
2
4/3 | 1 | general_qa | 92 |
The following is a multiple choice question (with answers).
===Question
What were the first, middle, and last names of the second son of Amadeus Mozart?
===Choices
Johann Karl Thomas Mozart.
Johann Karl Amadeus Mozart.
Karl Johann Mozart.
Karl Thomas Mozart.
Johann Thomas Amadeus Mozart.
Karl Johann Thomas Mozart.
Kar... | Karl Thomas Mozart. | general_qa | 105 |
The following is a multiple choice question (with answers).
===Question
What famous field marshal said, "I have no intention of shooting myself for this Bohemian corporal"?
===Choices
Erich Ludendorff
Erich von Moltke
Erich von Moltke the Younger
Erich von Hindenburg
Erwin Rommel
Erich von Falkenhayn
Erich von Manstei... | Friedrich Paulus | general_qa | 101 |
The following is a multiple choice question (with answers).
===Question
What is the first work in the history of economic thought that attempted to analyze the process of social total capital reproduction and circulation?
===Choices
Candillon's "Introduction to the Nature of Business"
Pei Di's "Political Arithmetic"
B... | Kui Nai's "Economic Tables" | general_qa | 137 |
The following is a multiple choice question (with answers).
===Question
A certain compression refrigeration equipment uses ammonia as the refrigerant. The evaporation temperature of ammonia is known to be $-10^{\circ} \ \mathrm{C}$, and the condensation temperature is 38 $\mathrm{c}$. The compressor intake is dry satur... | $$
1 \ 0 8 0 \ \ \mathrm{k J} / \mathrm{k g}
$$
$$
6. 1 7 \ \mathrm{k W}
$$
$$
4. 5
$$ | general_qa | 615 |
The following is a multiple choice question (with answers).
===Question
The expression $01^* + 1$ is grouped as $(0(1^*)) + 1$. What language does the expression represent?
===Choices
The language is the set of strings that begin with 1 and have any number of 0's following.
The language is the set of strings that can ... | The language is the set of strings that begin with 0 and have any number of 1's following. | general_qa | 235 |
The following is a multiple choice question (with answers).
===Question
Return of ulbocavernous reflex in spinal shock -
===Choices
Temporary reversal of spinal shock symptoms
Partial lesion of spinal cord
Complete transection of spinal cord
Temporary improvement in spinal cord function
Early sign of spinal cord damag... | Sign of recovery from spinal shock | general_qa | 100 |
The following is a multiple choice question (with answers).
===Question
Weigh a phenol sample of $0.7380 \mathrm{g}$ and place it in a 500 ml volumetric flask. Add an appropriate amount of water to dissolve and dilute to the mark. Transfer 25.00 ml of the solution to an iodine flask, add 30.00 ml of bromine solution $\... | $$
9 9. 1 9 \%
$$ | general_qa | 405 |
The following is a multiple choice question (with answers).
===Question
In veterinary internal medicine, which heart disease is most commonly seen in dogs?
===Choices
Bicuspid valve dysplasia
Ventricular hypertrophy
Aneurysm
Dilated cardiomyopathy
Pulmonic valve insufficiency
Atrial septal defect
Hypertrophic cardiomy... | Mitral valve degeneration | general_qa | 99 |
The following is a multiple choice question (with answers).
===Question
The internal energy of an ideal gas is related as $U=a+b(PV)$ (where $P$ is the pressure of the gas, $V$ is the volume of gas '$a$' and '$b$' are the constant). For an adiabatic process, $\gamma$ will be
===Choices
$$1 - \frac{a}{b}$$
$$1+ \frac {... | $$1+ \frac {1}{b}$$ | general_qa | 174 |
The following is a multiple choice question (with answers).
===Question
Consider the sequence defined by $f_0=1$, $f_1=2$, and $f_a=4f_{a-1}-f_{a-2}$ for $a\geq 2$. Determine the smallest odd prime factor of $f_{40}$.
===Choices
173
179
193
181
199
191
197 | 181 | general_qa | 104 |
The following is a multiple choice question (with answers).
===Question
Definition of extremely low birth weight: (Repeat)
===Choices
Wt <2 kg
Wt <0.8 kg
Wt <2.5 kg
Wt <1.1 kg
Wt <1 kg
Wt <0.9 kg
Wt <1.5 kg
Wt <1.2 kg
Wt <0.7 kg
Wt <0.95 kg | Wt <1 kg | general_qa | 103 |
The following is a multiple choice question (with answers).
===Question
Let $x,y$ be two non-negative real numbers such that $y\sqrt{2016-x^2} + x\sqrt{2016-y^2} = 2016$ . Then, the maximum possible value of $x+3y$ can be expressed as $m\sqrt{n}$ , where $n$ is not divisible by the square of any prime. Find $m + n$ .
... | 59 | general_qa | 123 |
The following is a multiple choice question (with answers).
===Question
A male sterile line of a plant was examined and found to have pollen in the male flowers but was sterile. When it was crossed with a restorer line, all the hybrid plants were pollen dispersing and all the pollen was fertile, and when it was backcro... | 2 | general_qa | 125 |
The following is a multiple choice question (with answers).
===Question
The condition for the Y parameter matrix to not exist for coupled inductance is__.
===Choices
M=0
Coupling coefficient k=-1
Magnetic flux equals zero
Coupling coefficient k=0
Magnetic fields are unaligned
Coupling coefficient k=1
Primary inductanc... | Coupling coefficient k=1 | general_qa | 95 |
The following is a multiple choice question (with answers).
===Question
In the Enterobacteriaceae family, what is the most common environmental bacterial group?
===Choices
Common Soil
Species Lactobacillus
Pathogenic Bacteria Legionella
Escherichia coli
Multi-source Bacterial Genus
Enterobacteriaceae
Widespread Mycoba... | Enterobacteriaceae | general_qa | 101 |
The following is a multiple choice question (with answers).
===Question
Replacing the emitter resistor in a long-tail differential amplifier circuit with a constant current source will ( ) for the single-ended circuit.
===Choices
Enhance the ability to suppress common-mode signals
Increase the output voltage swing
Inc... | Enhance the ability to suppress common-mode signals | general_qa | 114 |
The following is a multiple choice question (with answers).
===Question
In a certain pool, there is \(1 \, m^3\) of wastewater containing a total nitrogen concentration of 20 mg/L. Surface water is used for replacement, entering the pool at a flow rate of \(10 \, m^3/\text{min}\), with a total nitrogen concentration of... | $$
0. 1 8 \operatorname* {m i n}
$$ | general_qa | 327 |
The following is a multiple choice question (with answers).
===Question
Please fill in the blanks with the most appropriate option based on semantics and relevant syntactic knowledge.Tous les décorateurs vous le diront : inutile de soigner son aménagement si la lumière est négligée... Elle permet d'agrandir une pièce, ... | une atmosphère, sublimer, consacrés, en la matière, Heureusement | general_qa | 381 |
The following is a multiple choice question (with answers).
===Question
In brachial plexus nerve arising from root is
===Choices
Ulnar nerve
Nerve to latissimus dorsi
Axillary nerve
Suprascapular nerve
Nerve to rhomboids
Nerve to pectoralis minor
Nerve to subclavius
Nerve to biceps brachii
Nerve to subscapularis
Nerve... | Nerve to serratus anterior | general_qa | 102 |
The following is a multiple choice question (with answers).
===Question
The atomic mass of $B^{10}$ is $10.811\ amu$. The binding energy of $B^{10}$ nucleus is [ Given: The mass of electron is $0.0005498\ amu$, the mass of proton is $m_p=1.007276\ amu$ and the mass of neutron is $m_n=1.008665\ amu$]:
===Choices
$$378.... | $$-678.272\ MeV$$ | general_qa | 242 |
The following is a multiple choice question (with answers).
===Question
In the GC separation of components $\mathbf{A}$ and $\mathbf{B}$, their $t_{\mathrm{R}}$ are 5.5 min and 6.2 min, respectively. The retention time for components not entering the stationary phase is 1.0 min. What is the ratio of the migration rate ... | 6.2 | general_qa | 140 |
The following is a multiple choice question (with answers).
===Question
When planning complex military operations, commanders must go through a series of systematic steps to ensure the effectiveness of their decisions. Which of the following most closely aligns with a key step in this systematic decision-making process... | Intelligence Gathering and Analysis: Systematically collect and evaluate intelligence information from both friendly and enemy forces to fully understand the battlefield situation. | general_qa | 274 |
The following is a multiple choice question (with answers).
===Question
Let the matrix $A$ be similar to $B$ , where $A \!=\! \left( \! \! \begin{array} {c c c} {{{-2}}} & {{{0}}} & {{{0}}} \\ {{{2}}} & {{{a}}} & {{{2}}} \\ {{{3}}} & {{{1}}} & {{{1}}} \\ \end{array} \! \! \right)$ , $B {=} \left( \begin{matrix} {{{-1}}... | $$
a=0, \quad b=-2
$$ | general_qa | 315 |
The following is a multiple choice question (with answers).
===Question
Using anhydrous sodium carbonate and borax as two standard substances to determine the concentration of a certain hydrochloric acid solution, the results are as follows:
Using anhydrous sodium carbonate: 0.1005, 0.1007, 0.1003, 0.1009 (mol/L)
Using... | No significant difference | general_qa | 211 |
The following is a multiple choice question (with answers).
===Question
A 3-year-old boy is brought to the physician by his parents for a well-child examination. The boy was born at term via vaginal delivery and has been healthy except for impaired vision due to severe short-sightedness. He is at the 97th percentile fo... | Mutation in fibrillin-1 gene | general_qa | 270 |
The following is a multiple choice question (with answers).
===Question
Which medical book is known as the ancestor of Fang Shu?
===Choices
"Manual of Clinical Diagnosis"
"Handbook of Traditional Chinese Remedies"
"Compendium of Materia Medica"
"Comprehensive Guide to Herbal Medicine"
"Synopsis of Direct and Indirect ... | "Treatise on Febrile and Miscellaneous Diseases" | general_qa | 115 |
The following is a multiple choice question (with answers).
===Question
A coil is connected in series with a variable capacitor $C$ and a thermoelectric milliammeter with an internal resistance of 20Ω. The system is connected to an oscillator with a constant output amplitude and variable frequency. When the capacitance... | $$
\frac{1 0} {\pi} \times1. 0 0 0 3 4 \mathrm{k H z}, \ \ 3. 2 9 5 \mathrm{m A}
$$ | general_qa | 707 |
The following is a multiple choice question (with answers).
===Question
Who is the author of "The Head Teacher"?
===Choices
Wang Anyi.
Han Han.
Lu Yao.
Ma Jian.
Yu Hua.
Liu Xinwu.
Cao Wenxuan.
Wang Shuo.
Jiang Rong.
Mo Yan. | Liu Xinwu. | general_qa | 69 |
The following is a multiple choice question (with answers).
===Question
We now define an algorithm: The definition of a(n) is the sequence obtained by expanding the generating function (1 - x + x^2) / (1 - x)^2 in powers of x. Given the input x_list (a series of values): [62, 63, 64, 65, 66, 67, 68, 69, 70, 71], determ... | [62, 63, 64, 65, 66, 67, 68, 69, 70, 71] | general_qa | 518 |
The following is a multiple choice question (with answers).
===Question
For a reversible first - order reaction $A\rightleftharpoons B K_{1}=10^{-2}s^{-1}$ and $[B]_{eq}=4$. If $[A]_{0}=0.01$ mole $L^{-1} $ and $ [B]_{0}=0$, what will be the concentration of B after 30 s?
===Choices
0.0027 m
0.0015 m
0.0024 m
0.0023 m... | 0.0025 m | general_qa | 178 |
The following is a multiple choice question (with answers).
===Question
Red-green color blindness is caused by a recessive sex- linked gene. If a red-green color-blind man marries a woman with normal vision whose father was red-green color blind, what will be the expected phenotypic results in their children?
===Choic... | (1/4) female, normal vision; (1/4) male, normal vision; (1/4) female, color blind; (1/4) male, color blind | general_qa | 280 |
The following is a multiple choice question (with answers).
===Question
Labyrinthine fistula complicating otitis media is most commonly located in the ()
===Choices
Superior semicircular canal
Vestibule
Lateral semicircular canal
Posterior semicircular canal
Eustachian tube
External auditory canal
Round window
Cochlea... | Lateral semicircular canal | general_qa | 85 |
The following is a multiple choice question (with answers).
===Question
The most prominent aspect of Machiavelli's theory is ()?
===Choices
Link politics closely with morality
Separated religion from morality
Emphasized the importance of virtue in leadership
Suggested that fear is a more effective tool than love
Argue... | Separated politics from morality. | general_qa | 112 |
The following is a multiple choice question (with answers).
===Question
Who is the representative of neo-psychoanalytic psychology?
===Choices
Maslow
Adler
Bandura
Skinner
Watson
Jung
Pavlov
Sigmund Freud
Waldron
Erikson | Erikson | general_qa | 64 |
The following is a multiple choice question (with answers).
===Question
We now define an algorithm: The definition of a(n) is: Reversed binary words of length up to n in reversed lexicographic order. Given the input x_list (a series of values): [55, 56, 57, 58, 59, 60, 61, 62, 63, 64], determine the corresponding outpu... | [59, 58, 61, 63, 62, 60, 56, 48, 32, 65] | general_qa | 506 |
The following is a multiple choice question (with answers).
===Question
The media divides the newspaper market into the 'reader market, advertising market, news resource market, and investor market'. Who proposed this?
===Choices
Shram
Syndicate
Benjamin Day
McManus | McManus | general_qa | 58 |
The following is a multiple choice question (with answers).
===Question
Which of the following options does not use enharmonic equivalents to change♭D-♭E?
===Choices
♭D-♯D
♭D-♭♭F
♯C-♭♭F
♯C-♭E | ♯C-♭♭F | general_qa | 62 |
The following is a multiple choice question (with answers).
===Question
What month and year was Greek artist Kristof's album "Psychagogia" released?
===Choices
July 2022
March 2021
February 2022
February 2023
March 2022
June 2022
May 2022
April 2022
February 2021
January 2022 | February 2022 | general_qa | 104 |
The following is a multiple choice question (with answers).
===Question
What causes localized excitement?
===Choices
Stimulation initiates lower K+ channel activity.
Stimulation triggers a minor cell repolarization.
Stimulation causes excessive polarization shifts.
Cellular Reactive Hypopolarization Event
Stimulation ... | Stimulation causes slight depolarization of the cell membrane. | general_qa | 117 |
The following is a multiple choice question (with answers).
===Question
Determine the atomic mass of silicon, given the following information about
silicon's stable isotopes.
$$
\begin{array}{lcc}
& \text { Mass } & \text { Percent Abundance } \\
\hline \mathrm{Si}-28 & 27.9769265 \mathrm{amu} & 92.223 \% \\
\mathrm{Si... | 28.0914 amu | general_qa | 274 |
The following is a multiple choice question (with answers).
===Question
The lyricist of "Teach Me How Not to Think of Her" is ________.
===Choices
Xu Zhimo
Liu Bannong
Guo Moruo
Shen Congwen
Lu Xun
Mao Dun
Chen Duxiu
Wen Yiduo
Hu Shi
Zhou Zuoren | Liu Bannong | general_qa | 84 |
The following is a multiple choice question (with answers).
===Question
In his book 'China: Tradition and Transformation,' John Fairbank points out: 'Neo-Confucianism is not merely the inheritance and development of pre-Qin and Han Confucianism. It is partly a re-development of tradition and partly a completely new cre... | absorbing Buddhist and Taoist ideas to make Confucianism more philosophical and speculative | general_qa | 303 |
The following is a multiple choice question (with answers).
===Question
Evaluate $\int\int\int_{E}{(x \cdot z+1) d V}$, where $E$ is the region defined by:
$$
E = \left\{(x,y,z) | 0 \le x \le \sqrt{y}, 0 \le y \le 2, 0 \le z \le 1-x^2-y^2\right\}
$$
===Choices
73/30 - 52*sqrt(2)/42
73/30 - 52*sqrt(2)/41
73/30 - 52*sqr... | 73/30 - 52*sqrt(2)/35 | general_qa | 274 |
The following is a multiple choice question (with answers).
===Question
What is the energy (in electron volts) of a 100-GHz (1 gigahert $\mathrm{z}=1 0^{9}$ Hz) microwave photon?
===Choices
$$
4. 5 \times1 0^{-6} \mathrm{e V}.
$$
$$
1. 9 \times1 0^{-5} \mathrm{e V}.
$$
$$
5. 0 \times1 0^{-5} \mathrm{e V}.
$$
$$
8. 8 \... | $$
4. 1 \times1 0^{-4} \mathrm{e V}.
$$ | general_qa | 274 |
The following is a multiple choice question (with answers).
===Question
The method of using a variety of machines to accomplish the operations of cutting, baling, transporting, stacking, threshing, and cleaning separately is known as ___.
===Choices
singular processing method
collective farming technique
combined harv... | separate harvesting method | general_qa | 96 |
The following is a multiple choice question (with answers).
===Question
In a sinusoidal steady-state circuit, the current I = 10∠30° A and the voltage V = 100∠-45° V are known. The complex power S of the circuit is__.
===Choices
750+j1000 VA
1000+j500 VA
750−j500 VA
100−j150 VA
1000+j1500 VA
500+j750 VA
500+j500 VA
50... | 500−j750 VA | general_qa | 165 |
The following is a multiple choice question (with answers).
===Question
The diameter of the circular waveguide is $5 \mathrm{cm}$ and it is filled with air. When the operating wavelength is $7$ cm, find the waveguide wavelength $\lambda_{\mathbf{s}}$ for the lowest-order mode is ().
===Choices
$$
0 9. 8 5 \times1 0^{-... | $$
1 2. 2 5 \times1 0^{-2} \ \mathrm{m}
$$ | general_qa | 330 |
The following is a multiple choice question (with answers).
===Question
Which of the following statements about the law of armed conflict is incorrect?
===Choices
Under the principle of distinction, the law of war prohibits attacking military objectives that are located within civilian areas, unless the attack can be ... | Under the principle of distinction, the law of war prohibits attacking military objectives that are located within civilian areas, unless the attack can be justified by a military necessity that outweighs the potential civilian harm. | general_qa | 246 |
The following is a multiple choice question (with answers).
===Question
An automobile traveling at a speed of 30 mi/hr accelerates uniformly to a speed of 60 mi/hr in 10 sec. How far does the automobile travel during the time of accelera-tion?
===Choices
100 ft/sec
150 ft
75 ft/sec
88 ft/sec
1/2 * (30 mi/hr + 60 mi/hr... | Both 660 ft and 1/2 * (30 mi/hr + 60 mi/hr) * 10 sec are correct | general_qa | 156 |
The following is a multiple choice question (with answers).
===Question
Which article of the International Covenant on Civil and Political Rights stipulates that everyone shall have the right to hold opinions without interference?
===Choices
Article 19.1
Article 19.3
Article 19.2
Article 17
Article 15
Article 16
Artic... | Article 19 | general_qa | 97 |
The following is a multiple choice question (with answers).
===Question
Let $F$ be the positive integer consisting of 1998 decimal digits, all of which are 1; that is, \[F=1111\cdots 11.\] Determine the $482$th digit after the decimal point in the decimal expansion of $\sqrt{F}$.
===Choices
2
1
3
5
4
8
9
6
7 | 3 | general_qa | 102 |
The following is a multiple choice question (with answers).
===Question
The music section ends with the dominant chord of the main key and ends with a half cadence of the harmony, which is called _______.
===Choices
Incomplete cadence
Open music section
Interrupted section
Transitional section
Preliminary section
Half... | Open music section | general_qa | 87 |
The following is a multiple choice question (with answers).
===Question
A study on a certain type of finch found that the primary risks faced in wintering grounds are hunger and predation. Therefore, this finch allocates its activity time to three types of behavior: keeping watch for predators, foraging, and engaging i... | Increased Risk of Predation | general_qa | 174 |
The following is a multiple choice question (with answers).
===Question
Find the minimum value of \[\frac{(x+1/x)^6-(x^6+1/x^6)-2}{(x+1/x)^3+(x^3+1/x^3)}\] for $x>0$.
===Choices
8
5.9
7
4
6
5
5.5
5.2
5.8
5.7 | 6 | general_qa | 99 |
The following is a multiple choice question (with answers).
===Question
An electron with initial velocity $v_0\hat i$ is in the region of electric end magnetic fields, $-E_0\hat i$ and $B_0\hat j$ respectively. The de-Broglie wavelength of the electron at time t is given by :
===Choices
$$\lambda = \frac{h}{qt(E_0^2 ... | $$\lambda = \frac{h}{mv_0}$$ | general_qa | 329 |
The following is a multiple choice question (with answers).
===Question
The accumulation of greenhouse gases (GHGs) causes global warming by letting sunlight into the atmosphere as _______. Then, when the earth re-radiates the heat back to space, the gases trap the energy in the form of outgoing ______.
===Choices
vis... | ultraviolet radiation, infrared radiation | general_qa | 136 |
The following is a multiple choice question (with answers).
===Question
When the standard system is used, only two reference values of electrical volume need to be selected, and other reference values of electrical volume can be derived according to the relationship between them. What is the usual selection method?
==... | Selection of Power and Voltage Reference Values | general_qa | 144 |
The following is a multiple choice question (with answers).
===Question
Given a microstrip substrate with a relative dielectric constant $\varepsilon_{\mathrm{r}}=3.78$, thickness $h=0.635 \ \text{mm}$, characteristic impedance $Z_{\mathrm{c}}=50 \ \Omega$, and operating frequency $f=10 \ \text{GHz}$. Determine the gui... | 2.931,1.73cm | general_qa | 221 |
The following is a multiple choice question (with answers).
===Question
The edible part of litchi and longan is the seed coat. What does it develop from?
===Choices
Receptacle
Endosperm
Stipule
Cotyledon
Petiole
Ovarian wall
Peduncle
Pericarp
Funicle
Seed coat | Funicle | general_qa | 77 |
The following is a multiple choice question (with answers).
===Question
According to "A Survey of London; Reprinted From the Text of 1603," the first constables of the Tower of London (Othowerus, Acolinillus, Otto, and Geoffrey de Mandeville) occupied land in East Smithfield, near the Tower, and turned it into what?
=... | A vineyard. | general_qa | 128 |
The following is a multiple choice question (with answers).
===Question
What are the stages in the process of fresh milk spoilage?
===Choices
4
6
1
9
8
7
5
10
2
3 | 5 | general_qa | 50 |
The following is a multiple choice question (with answers).
===Question
The velocity of electron from a platinum surface when radiation of 200 nm falls on it will be given, the work function of platinum is 5 eV.$\left( 1eV=1.6\times { 10 }^{ -19 }J \right) $
===Choices
6.82 \times { 10 }^{ 2 }{ ms }^{ -1 }
6.82 \times... | $$6.84\times { 10 }^{ 2 }{ ms }^{ - }$$ | general_qa | 305 |
The following is a multiple choice question (with answers).
===Question
Which film won the Best Director Award at the 2016 Hong Kong Film Awards?
===Choices
From Vegas to Macau III
The Monkey King 2
The Taking of Tiger Mountain
Monkey King 2
Port of Call
Trivisa
Cold War II
The Mermaid
Ten Years | The Mermaid | general_qa | 78 |
The following is a multiple choice question (with answers).
===Question
In the circuit shown, the resistance $r$ is a variable resistance. If for $r=fR$, the heat generation in $r$ is maximum then the value of $f$ is:
===Choices
\dfrac{1}{6}
\dfrac{2}{3}
$$\dfrac{1}{2}$$
\dfrac{1}{5}
\dfrac{1}{3}
$$1$$
\dfrac{2}{5}
$$... | $$\dfrac{1}{2}$$ | general_qa | 135 |
The following is a multiple choice question (with answers).
===Question
What the information of Chinese government mainly includes four key aspects?
===Choices
1.Government Enterprise Architecture 2.Network Administration 3.Information Asset Management 4.Digital Service Centers
1.Government Portal Development 2.Inter-... | 1.Government Office Automation 2.Government Office Networking 3.Sharing of Government Information Resources 4.Government Public Website Development and External Services | general_qa | 266 |
The following is a multiple choice question (with answers).
===Question
Consider the problem of how plants might lift water from ground level to their leaves. Assume that there is a semipermeable membrane at the roots, with pure water on the outside, and an ideal solution inside a small cylindrical capillary inside the... | $$
h ~ ~ \approx~ 1 0^{-8} ~ \mathrm{c m}
$$ | general_qa | 437 |
The following is a multiple choice question (with answers).
===Question
Nickel (z = 28) combines with a negative monodenate ligand X- to form a paramagnetic complex $\left[ { NiX }_{ 4 } \right] ^{ 2- }$. The number of unpaired electron (s) in the nickel and geometry of this complex ion are, respectively
===Choices
On... | One, square planar | general_qa | 139 |
The following is a multiple choice question (with answers).
===Question
A homogeneous circular ring is suspended horizontally. The lengths of the three suspension wires are all $l.$ When the ring is in equilibrium, the wires are vertical and attached to the ring at points $A, B, C,$ which divide the ring into three equ... | $\omega=\sqrt{\frac gl}$ | general_qa | 214 |
The following is a multiple choice question (with answers).
===Question
How many chromatic auxiliary notes are there in the following example?
L:1/16
M:4/4
K:C
_E2_c2_B2_A2 G2D2 E2>=E2 | FEFC _A_c_BA G2AG F4 |] %2
===Choices
2
3
1
4 | 3 | general_qa | 88 |
The following is a multiple choice question (with answers).
===Question
Where does Anchoonychia belong in the animal classification?
===Choices
arachnid
nematode
marsupial
cephalopod
annelid
tardigrade
cnidarian
platyhelminth
echinoderm
gastropod | tardigrade | general_qa | 73 |
The following is a multiple choice question (with answers).
===Question
We now define an algorithm: The definition of a(n) is Blue code for n: in the binary coding of a polynomial over GF(2), substitute x+1 for x. (Consider the binary representation of n as the coefficient vector of a polynomial over the finite field G... | [44, 46, 47, 40, 41, 43, 42, 85, 84, 86] | general_qa | 571 |
The following is a multiple choice question (with answers).
===Question
The Solubility product of $CaSO_{4}$ is water at $25^{\circ}C\ 9.0\times 10^{-6} M^{2}$. Then its solubility is $mg/m$ is [Mol wt of $CaSO_{4} = 136]$.
===Choices
$$3.0 \times 10^{-2}$$
$$136\times 10^{-3}$$
$$136$$
$$3.0 \times 10^{-4}$$
$$2.0 \t... | $$3.0\times 10^{-3}$$ | general_qa | 210 |
The following is a multiple choice question (with answers).
===Question
If the random variable $\mathbf{X}$ follows a normal distribution $N ( \mu_{1}, \sigma_{1}^{2} )$ , $\mathbf{Y}$ follows a normal distribution $N ( \mu_{2}, \sigma_{2}^{2} )$ , and $P ( \mid X-\mu_{1} \mid< 1 ) > P ( \mid Y-\mu_{2} \mid< 1 )$ , the... | $$
\sigma_{1} < \sigma_{2}
$$ | general_qa | 255 |
The following is a multiple choice question (with answers).
===Question
How long does it usually take for vegetation cover measures to prevent soil erosion?
===Choices
8 years
4 months
9 months
10 years
1 month
5 years
6 years
3 years
2 years
1 year | 3 years | general_qa | 62 |
The following is a multiple choice question (with answers).
===Question
What is the main channel for the movement of Jinbo and Yuanqi?
===Choices
Shao Yang
Chong Mai
San Jiao
Yin Wei
Yang Ming
Dai Mai
Ren Mai
Tai Yang
Tai Yin
Du Mai | San Jiao | general_qa | 66 |
The following is a multiple choice question (with answers).
===Question
There is a crane which, when lifting cargo, experiences impact vibrations, followed by gradually diminishing vibrations. The maximum amplitude resulting from the impact is measured to be 10 mm, with a period $T=0.04$ s. Assuming the system's relati... | $$
9. 5 3 4 \mathrm{s}
$$ | general_qa | 257 |
The following is a multiple choice question (with answers).
===Question
Which scientist successfully studied artificial parthenogenesis in amphibians by artificially stimulating matured toad eggs?
===Choices
Wang Chong
Li Shizhen
Li Zhi
Zhang Heng
Zhu Xi
Wang Yangming | Zhu Xi | general_qa | 64 |
The following is a multiple choice question (with answers).
===Question
At 1600°C, molten steel $w [ {\mathrm{\scriptsize~ C}} ]=0.2\%)$ can absorb hydrogen when in contact with air of varying humidity. Air humidity: 0.3% in winter, and 5% in summer. Try to determine the increase in hydrogen content in the molten steel... | $$
0. 1 3 \times1 0^{-3} \%,5.3 \times1 0^{-4} \%
$$ | general_qa | 427 |
The following is a multiple choice question (with answers).
===Question
The flow rate $Q = 0.027 \, \mathrm{m}^3/\mathrm{s}$ in a certain water pipeline has a head loss along a 1000m length of $20 \, \mathrm{m}$, with a water temperature of $t = 20^\circ \mathrm{C}$. It is a standard cast iron pipe with an equivalent r... | $$
d \!=\! 0. 1 4 9 \mathrm{m}
$$ | general_qa | 358 |
The following is a multiple choice question (with answers).
===Question
In a vacuum, there is a semicircular thin wire with radius $R$ carrying a current $I$. The magnetic field strength at the center of the semicircle is ( ).
===Choices
$\frac{2\mu_{0}I}{\pi R}$
$\frac{\mu_{0}I}{2\pi R}$
$\frac{\mu_{0}I}{\pi R}$
$\fr... | $\frac{\mu_{0}I}{4R}$ | general_qa | 185 |
The following is a multiple choice question (with answers).
===Question
What are the genres of ancient Greek music?
===Choices
Field chants, Hunting calls
Musical dramas, Historical chronicles
Sappho ballads, Alceos rhythms
Lyric forms, Choral hymns
Narrative epics, Courtly verses
Festival songs, Religious prayers
Epi... | Sappho ballads, Alceos rhythms | general_qa | 108 |
The following is a multiple choice question (with answers).
===Question
According to the way advertising information is communicated, media advertising can generally be divided into which of the following?
===Choices
Conventional advertising and unconventional advertising
Hard advertising and soft advertising
Outdoor ... | Hard advertising and soft advertising | general_qa | 64 |
The following is a multiple choice question (with answers).
===Question
A particle performs simple harmonic motion along the x-axis, described by the equation $x=0.04 \cos(2\pi t + \frac{\pi}{3})$. What is the shortest time interval from $t=0$ until the particle is at position $x=0.02$ m and moving in the positive dire... | $\frac{1}{3}$s | general_qa | 183 |
The following is a multiple choice question (with answers).
===Question
Assuming the size of a disk block is 1KB, for a 540MB hard disk, how much storage space is the minimum required for its File Allocation Table (FAT)?
===Choices
$$
1 4 0 0 \mathrm{K B}
$$
$$
1 3 5 0 \mathrm{K B}
$$
$$
1 4 7 5 \mathrm{K B}
$$
$$
1 8... | $$
1 3 5 0 \mathrm{K B}
$$ | general_qa | 226 |
The following is a multiple choice question (with answers).
===Question
Divide the interval [1,2] into 5 equal parts, and use the composite Simpson's rule to calculate the approximate value of the integral $\int_{1}^{2} \mathrm{e}^{\frac{1} {x}} \mathrm{d} x$. Estimate the truncation error as ____.
===Choices
$$
\int_... | $$
\int_{a}^{b} f ( x ) \operatorname{d} x=2.020077
$$
$$
\mid R_{s} \mid=0.0001102
$$ | general_qa | 643 |
The following is a multiple choice question (with answers).
===Question
Which of the following is not an electrocardiographic manifestation of third-degree atrioventricular (AV) block?
===Choices
The QRS complexes are wide and irregularly spaced.
The atrial rate is equal to the ventricular rate.
The atrial rate is les... | The frequency of R waves is greater than the frequency of P waves. | general_qa | 152 |
The following is a multiple choice question (with answers).
===Question
A projectile is fired in such a way that its horizontal range is equal to
three times its maximum height. What is the angle of projection?
===Choices
57.50
56.81
53.13
55.00
56.42
54.74
56.31
56.10
56.00
56.50 | 56.31 | general_qa | 105 |
The following is a multiple choice question (with answers).
===Question
A block of mass of 10 kg is kept on rough inclined plane.The inclined plane is kept inside a lift.At t=0, the system is set in motion, the lift accelerates upwards with 10 $m/{s^2}.$
The work done by normal reaction on the block in one second w.r.t... | none of these | general_qa | 125 |
The following is a multiple choice question (with answers).
===Question
If there is an expression a/b in the transaction program, if the expression is evaluated when b is 0, the fault that will occur belongs to ().
===Choices
The media is faulty
Operating system error
Clock error
User input error
The machine stops
App... | Transaction failure | general_qa | 83 |
The following is a multiple choice question (with answers).
===Question
A ring rolls without slipping on the ground. Its centre C moves with a constant speed $u$. P is any point on the ring. The speed of P with respect to the ground is $v$.
===Choices
$v=u$, if CP is horizontal.
$$v= \sqrt{u}$$
$v= \sqrt{4u}$, if CP i... | $v= \sqrt{2u}$, if CP is horizontal. | general_qa | 142 |
The following is a multiple choice question (with answers).
===Question
What is the basic structure of the nervous system?
===Choices
Spinal pathways
Synaptic cleft
Reflex arc
Receptor
Sensory neuron
Neuronal circuits
Nervous tissue
Motor neuron
Peripheral nerves
Central nervous system | Nervous tissue | general_qa | 67 |
The following is a multiple choice question (with answers).
===Question
How many new mineral deposits were discovered nationwide in China in 2021?
===Choices
99
95
91
94
92
90
97
93
96
98 | 95 | general_qa | 63 |
The following is a multiple choice question (with answers).
===Question
A uniform electric field of $100\ Vm^{-1}$ is directed at $30^{\circ}$ with the positive x-axis as shown in Fig. $OA =2m$ and $OB =4m$. The potential difference $V_B-V_A$ is :
===Choices
$$\displaystyle -100 \left[2-\sqrt3\right]V$$
$$-100 \left[1... | $$\displaystyle -100 \left[2+\sqrt3\right]V$$ | general_qa | 276 |
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