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
Which of the following is true regarding the complications of a large goitre?
===Choices
It causes severe headaches due to increased pressure in the neck area
It causes a more florid thyrotoxicosis than a smaller goitre
It leads to a decreased pro... | Dysphagia is an indication for surgery | general_qa | 163 |
The following is a multiple choice question (with answers).
===Question
In a coupled inductor circuit, if the mutual inductance M is negative, what does this mean for the coupling relationship between the two coils?
===Choices
The magnetic flux decreases significantly
The magnetic fields generated by the currents flow... | The magnetic fields generated by the currents flowing in the same direction cancel each other out | general_qa | 178 |
The following is a multiple choice question (with answers).
===Question
Multiply. Assume that all variables represent positive real numbers.
\(\sqrt[3]{9 x} \cdot \sqrt[3]{4 y}\)
===Choices
$$24xy$$
$$24\sqrt[3]{3}xy$$
$$12\sqrt[3]{3}xy$$
$$72xy$$
$$18xy$$
$$108xy$$
$$54xy$$
12xy
$$36xy$$
$$3\sqrt[3]{16}xy$$ | $$36xy$$ | general_qa | 127 |
The following is a multiple choice question (with answers).
===Question
A Male, 60 years old with headache and localized swelling in the forehead. Physical examination: A ping-pong ball-like mass can be palpated at the site of the forehead swelling. CT shows: Expansion of the frontal sinus with a low-density soft tissu... | Frontal sinus mucocele | general_qa | 189 |
The following is a multiple choice question (with answers).
===Question
Which of the following is a production process?
===Choices
Driving a car
Taking a long walk
Reading a novel
Watching a movie
Building a sandcastle
Playing a video game
Listening to
Washing clothes
Eating a meal
Sleeping 8 hours nightly | Washing clothes | general_qa | 71 |
The following is a multiple choice question (with answers).
===Question
What is true about SQL SERVER2005 System Learning Edition?
I.free
II.integrated with Visual Studio 2005
III.maximum instance that can be installed is 50
IV.can be used as a database product for large enterprises
===Choices
Only II and III
Only I a... | Only I and II | general_qa | 111 |
The following is a multiple choice question (with answers).
===Question
What's the painting by Munch called with a tired girl lying on a bed painted in 1894?
===Choices
The Morning After
The Night of Despair
The Night of Sorrow
The Scream
The Night of Solitude
The Night After
The Night Before
The Day After
The Evening... | The Day After | general_qa | 88 |
The following is a multiple choice question (with answers).
===Question
The material that needs to be identified using the dissolution method is ( )
===Choices
Glass sheets, transparent layers
Floral fabric, blended fibers
Cotton cloths, smooth textures
Synthetic rubber, natural origin
Silk materials, natural fibers
W... | Floral fabric, blended fibers | general_qa | 103 |
The following is a multiple choice question (with answers).
===Question
In a reference frame where a charged capacitor is stationary, the surface charge densities on the capacitor plates are observed to be $+ \sigma_{\mathrm{e}}^{\prime}$ and $- \sigma_{\mathrm{e}}^{\prime}$. Suppose the capacitor plates are parallel t... | $$
\begin{array} {c} {{{{E=0,}}}} \\ {{{{B=0}}}} \\ \end{array}
$$ | general_qa | 476 |
The following is a multiple choice question (with answers).
===Question
Which of the following belongs to the community member type?
===Choices
Invasive species
Nocturnal species
Predatory species
Indicator species
Native species
Endemic Species
Migratory species
Dominant species
Threatened species
Extinct species | Dominant species | general_qa | 68 |
The following is a multiple choice question (with answers).
===Question
In which country did the earliest spectacles appear in Europe during the 13th century?
===Choices
Florence
France
Greece
Italy
Netherlands
Germany
Venice
England
Spain | Italy | general_qa | 57 |
The following is a multiple choice question (with answers).
===Question
If the average geothermal gradient in a certain area is 3°C per 100 meters, at approximately what depth would the boundary between magnetic and non-magnetic rocks be?
===Choices
Around 20 km
Around 30 km
Around 25 km
Around 8 km
Around 2 km
Around... | Around 20 km | general_qa | 110 |
The following is a multiple choice question (with answers).
===Question
During which developmental stage does the notochord form?
===Choices
Epiblast transition phase
Neuroectodermal stage
Embryonic disc stage
Gastrula Stage
Endodermal lining phase
Mesodermal folding stage
Blastocyst stage
Primitive streak formation
N... | Neuroectodermal stage | general_qa | 86 |
The following is a multiple choice question (with answers).
===Question
What year was the municipality of Ituango, Antioquia, Colombia, founded?
===Choices
1847
1848
1842
1844
1845
1841
1843
1840
1846
1849 | 1844 | general_qa | 84 |
The following is a multiple choice question (with answers).
===Question
Given that $n(t)$ is the output of a narrowband filter with a center frequency of $f_{\mathrm{c}}$, applied to white noise $n_{\mathrm{w}}(t)$, and the power of $n(t)$ is $P_{1 \circ}$, if $n(t)$ is coherently demodulated with the carrier $2 \cos 2... | $$
P_{1}
$$ | general_qa | 209 |
The following is a multiple choice question (with answers).
===Question
An individual paid taxes 27 months ago, but did not file a tax return for that year. Now the individual wants to file a claim for refund of federal income taxes that were paid at that time. The individual must file the claim for refund within which... | Two years. | general_qa | 119 |
The following is a multiple choice question (with answers).
===Question
NGC 3091 has an effective radius of 10.07 kpc in the $B$ band and an average surface brightness within the effective radius of 21.52 $B$ -mag arcsec $- 2$ . From this information, determine $\mu_{e}$ in the $B$ band.
===Choices
$$
2 1. 7 4 5
$$
$$... | $$
2 2. 9 1 3
$$ | general_qa | 238 |
The following is a multiple choice question (with answers).
===Question
In "疾之,则以法刑断其两足而黥之" the word "刑" is:
===Choices
An adverb serving as a noun
A preposition acting as a verb
A verb used as an adjective
A verb functioning as a noun
A noun used as an adverbial modifier
A noun functioning as a verb
A noun functionin... | A noun functioning as a verb | general_qa | 116 |
The following is a multiple choice question (with answers).
===Question
A block of mass $m$ moving with a velocity $v_0$ on a smooth horizontal floor collides with a light spring stiffness $k$ that is rigidly fixed horizontally with a vertically wall. If the maximum force imparted by the spring on the block is $F$ then... | $4\sqrt{km v_0}$ | general_qa | 201 |
The following is a multiple choice question (with answers).
===Question
On which day, month, and year was Sunil Das (an Indian expressionist painter) born?
===Choices
4 August 1944
4 August 1934
4 August 1949
4 August 1959
4 August 1929
4 August 1939
4 August 1937
4 August 1938
4 August 1940
4 August 1936 | 4 August 1939 | general_qa | 117 |
The following is a multiple choice question (with answers).
===Question
A cylinder filled with hydrogen at $500\ K$ exerts a pressure of $4$ atmospheres. If hydrogen is replaced by equal mass of Helium at the same temperature, what will be i) the pressure exerted by helium ii) the relative number of molecules of hydrog... | $$2\ atm, 0.5$$ | general_qa | 188 |
The following is a multiple choice question (with answers).
===Question
Gangue components react with the ash of the fuel and the flux (limestone, dolomite, silica, etc.) to form slag, which is separated from metal iron. What is this step called?
===Choices
Blast Furnace Ironmaking
Smelting Reduction Ironmaking
Electri... | Blast Furnace Ironmaking | general_qa | 117 |
The following is a multiple choice question (with answers).
===Question
Take 30 strands of 28 tex cotton yarn, with a total weight of 82.65g. After drying, the weight is 75.26g. The measured actual strength of the yarn (after correction) is 850N. Calculate the weight deviation.
===Choices
-2.3%
-3.1%
-2.8%
-2.2%
-2.6%... | -8.84% | general_qa | 131 |
The following is a multiple choice question (with answers).
===Question
A 0.45 m thick aluminum plate with an initial uniform temperature of $500 \mathrm{K}$ is suddenly exposed to a medium at $340 \mathrm{K}$ for cooling. The convective heat transfer coefficient between the surface of the aluminum plate and the surrou... | $$
\theta=0. 9 \, / \, 6. 7 1 6=0. 1 3 4 \, \mathrm{h}
$$ | general_qa | 615 |
The following is a multiple choice question (with answers).
===Question
One gram of an alloy of aluminium and magnesium when heated with excess of dilute $HCl$ forms magnesium chloride, aluminium chloride and hydrogen. The evolved hydrogen collected over mercury at $0^{o}C$ has volume of $1.2$ litres at $0.92$ atm pres... | $Mg = 0.454$ g | general_qa | 203 |
The following is a multiple choice question (with answers).
===Question
Cervical cancer most commonly occurs in what?
===Choices
External cervical os
Cervical muscular layer
Cervical glandular epithelium
Posterior lip of the cervix
Cervical canal
Cervical submucosal tissue
Cervical vascular structure
Internal orifice ... | External cervical os | general_qa | 96 |
The following is a multiple choice question (with answers).
===Question
What historical event does Turgenev refer to with the title of his novel 'The Precipice'?
===Choices
The eve of the French Revolution
The eve of the British Industrial Revolution
The eve of the Russian Revolution
The eve of the Bulgarian people's ... | The eve of the Bulgarian people's uprising against the Ottoman Empire | general_qa | 74 |
The following is a multiple choice question (with answers).
===Question
A man of mass M stands on the floor of box of mass m as shown in figure. he raises himself and the box with an acceleration a= g/ 3 by means of a rope going over a fixed frictionless pulley. if the mass of the rope is negligible compared to (M + m ... | $$2 mg$$ | general_qa | 188 |
The following is a multiple choice question (with answers).
===Question
The electrons in the crystal basically move around the nucleus and are mainly affected by the atomic field. The effects of other atomic fields can be treated as _______. This is the _____ model that describes the state of electrons in the crystal.
... | Perturbation; tight binding | general_qa | 127 |
The following is a multiple choice question (with answers).
===Question
An optical fiber with a step index profile, a core diameter of 62.5 micrometers, a numerical aperture of 0.2 at a wavelength of 1300 nm is used for signal distribution and transmission in a local area network. How many guided modes would it support... | 456 | general_qa | 118 |
The following is a multiple choice question (with answers).
===Question
Which of the following meets the definition of a Chinese city?
===Choices
Defensive structure
Town with historical significance
District with residential zones
Place of exchange
Settlement with commercial exchange functions | Settlement with commercial exchange functions | general_qa | 53 |
The following is a multiple choice question (with answers).
===Question
What is the bandwidth of the coefficient array of the modified method of equations if the images are numbered perpendicular to the direction of the air strip when leveling the beam method area network?
===Choices
3N+1
N+1
2N+4
4N+2
4N+1
2N+2
N+2
2... | 2N+2 | general_qa | 99 |
The following is a multiple choice question (with answers).
===Question
"Unemployment has obvious peaks and troughs and is not evenly distributed throughout the year." This is a description of seasonal unemployment regarding ().
===Choices
employment responsibility
economic conditions
regularity characteristics
indust... | regularity characteristics | general_qa | 84 |
The following is a multiple choice question (with answers).
===Question
Feeding yellow woolly bear moth larvae with petunias causes the larvae to vomit, and after recovery, the larvae refuse to feed on petunias. What kind of response pattern in learning behavior does this process belong to?
===Choices
Aversion to Lear... | Connected Learning | general_qa | 107 |
The following is a multiple choice question (with answers).
===Question
Which of the following statements about sweating in the body is correct?
===Choices
Sweating is inhibited by high temperatures
Excessive sweating can cause isotonic dehydration
Excessive sweating can cause hypotonic dehydration
Sweat glands are on... | Excessive sweating can cause hypertonic dehydration | general_qa | 145 |
The following is a multiple choice question (with answers).
===Question
Apply Rayleigh's method to analyze the expression for the unit width flow rate $q$ over an overflow weir is ().It is known that $q$ is related to the head $H$ above the weir, the density of water $\rho$, and the gravitational acceleration $g$.
===... | $$
q=k H^{\frac{3} {2}} g^{\frac{1} {2}}
$$ | general_qa | 334 |
The following is a multiple choice question (with answers).
===Question
The transpiration cooling with liquid oxygen as cooling mediumis used to protect the combustion chamber walls frombeing destroyed. The temperature of inside surface of wallsshould be maintained at 1170°R by adding liquid oxygenat 170°R through the ... | 28.5 lb-moles / hr.ft^2 | general_qa | 262 |
The following is a multiple choice question (with answers).
===Question
Given the system $H(s)=\frac{s+k}{s^2+2s+k}$ is a minimum phase system, then the range of $k$ is?
===Choices
$k<-1$
$k \geq 1$
$k \geq 0$
$k<0$
$k>0$
$0<k<1$
$k>1$
$0 \leq k < 1$
$k \geq -1$
$k>-1$ | $k>0$ | general_qa | 109 |
The following is a multiple choice question (with answers).
===Question
What is Taiwan's tax system the general term for?
===Choices
collection and implementation
collection and management
collection and coordination
collection and enforcement
collection and governance
collection and oversight
collection and execution... | collection and administration | general_qa | 67 |
The following is a multiple choice question (with answers).
===Question
If a 50 g bullet traveling at 40,000 cm/sec is stopped by a steel plate, how much heat is generated, on the assumption that the energy is completely converted into heat?
===Choices
4 × 10^10 ergs
6 × 10^10 ergs
2 × 10^10 ergs
5 × 10^9 ergs
1.2 × 1... | 4 × 10^10 ergs | general_qa | 170 |
The following is a multiple choice question (with answers).
===Question
Make reasonable assumptions to estimate the surface temperature of Neptune is____. Disregard any potential internal heat sources. Known data: the average distance from the Sun to Earth is $1.5 \times 10^8 \mathrm{km}$; the average distance from the... | 52K | general_qa | 197 |
The following is a multiple choice question (with answers).
===Question
Keep chromium in water vapor-containing $\mathrm{H_{2}}$ at 1500K and a pressure of $10^{5} \mathrm{Pa}$. To prevent chromium from oxidizing, what should the maximum partial pressure of $\mathrm{H_{2}}$ in the gaseous phase be?
===Choices
$$
3. 0 ... | $$
1. 0 \times1 0^{5} \mathrm{P a}
$$ | general_qa | 303 |
The following is a multiple choice question (with answers).
===Question
In the design of a straight-toothed cylindrical gear, if the center distance is kept constant and the module m is increased, it is possible to ().
===Choices
Increase the contact strength of the tooth surface
The curvature and contact strength rem... | Increase the bending strength of the gear teeth | general_qa | 127 |
The following is a multiple choice question (with answers).
===Question
How does the required compression ratio change as the evaporator temperature decreases?
===Choices
becomes lower for a given condensation temperature
becomes higher for a given increase in condensation temperature
becomes higher for an increased e... | becomes higher for a given condensation temperature | general_qa | 107 |
The following is a multiple choice question (with answers).
===Question
Denis Dutton's universal signatures in aesthetics include ().
===Choices
Expertise or Virtuosity
Patterns or Symmetry
Emotion or Sentimentality
Clarity or Simplification
Complexity or Density
Precision or Exactness
Simplicity or Minimalism
Randomn... | Expertise or Virtuosity | general_qa | 86 |
The following is a multiple choice question (with answers).
===Question
What is the lifespan of a seed called from physiological maturity to loss of viability?
===Choices
Seed survival term
Seed existence span
Seed growth duration
Seed development cycle
Seed germination period
Seed lifespan
Seed vitality extent
Seed m... | Seed lifespan | general_qa | 73 |
The following is a multiple choice question (with answers).
===Question
In which of the following processes does the expansion work or technical work of the working medium equal the heat absorbed
===Choices
Constant pressure process
Infinite pressure process
Infinite volume process
Variable temperature process
Constan... | Constant temperature process | general_qa | 83 |
The following is a multiple choice question (with answers).
===Question
In which decade did the crinoline first appear in history?
===Choices
1860s
1880s
1870s
1810s
1840s
1850s
1832s
1820s
1830s
1835s | 1830s | general_qa | 89 |
The following is a multiple choice question (with answers).
===Question
Abdominal wall kneading sensation is commonly seen in what condition?
===Choices
Acute Pancreatitis
Acute cholecystitis
Mild intestinal dyspepsia
Irritable bowel syndrome
Tuberculous peritonitis
Stomach ulcer deterioration
Severe appendicitis infl... | Tuberculous peritonitis | general_qa | 100 |
The following is a multiple choice question (with answers).
===Question
Which is the function of Jichuan Jian?
===Choices
Warming the spleen
Balancing the spleen
Enhancing the lung
Strengthening the heart
Cooling the kidney
Calming the stomach
Warming the kidney
Nourishing the brain
Calming the kidney
Cooling the live... | Warming the kidney | general_qa | 81 |
The following is a multiple choice question (with answers).
===Question
Two wires of the same material have masses in the ratio 3:4. The ratio of their extensions under the same load if their lengths are in the ratio 9:10 is
===Choices
27 : 32
27 : 25
6 : 5
27 : 39
5 : 3
27 : 40
27 : 36
27 : 38
27 : 35
27 : 30 | 27 : 40 | general_qa | 121 |
The following is a multiple choice question (with answers).
===Question
Visible light with wavelengths ranging from $390 nm$ to $780 nm$ is incident perpendicularly on a grating with a grating spacing of $d=0.002 mm$. To obtain a first-order visible spectrum with a length of $50 mm$ on the focal plane of a lens, what i... | $222.6nm$ | general_qa | 174 |
The following is a multiple choice question (with answers).
===Question
Who won the Anonymous Was A Woman award with a pure drawing in 2019?
===Choices
Marsha Cottrell won the Anonymous Was A Woman award with a print in 2019.
Marsha Cottrell won the Anonymous Was A Woman award with a collage in 2019.
Marsha Cottrell w... | Marsha Cottrell | general_qa | 248 |
The following is a multiple choice question (with answers).
===Question
Which of the following kinds of brain scans would be most useful in disproving the statement: "Most people only use 10 percent of their brains"?
===Choices
MRA
CAT
DTI
PET
MRI
SPECT
X-ray
EEG
Ultrasound | PET | general_qa | 71 |
The following is a multiple choice question (with answers).
===Question
A $30kg$ box has to move up an inclined slope of $30^{o}$ to the horizontal at a uniform velocity of $5ms^{-1}$. If the frictional force retarding the motion is $150N$, the horizontal force required to move up is $(g=10\ ms^{-2})$
===Choices
$$300... | $$300\ N$$ | general_qa | 266 |
The following is a multiple choice question (with answers).
===Question
Research the blood flow in several parts of the human circulatory system. Which of the following locations has the highest blood flow per minute?
===Choices
The renal artery as it branches off from the abdominal aorta.
The brachial artery located ... | The right pulmonary artery at the point where it branches into the left and right pulmonary arteries. | general_qa | 194 |
The following is a multiple choice question (with answers).
===Question
In a multipotential field superposition, the expression for the total potential energy is?
===Choices
$\Psi = \sum_{i=1}^n \Psi_i$
$\Lambda = \sum_{i=1}^n \Lambda_i$
$\Pi = \sum_{i=1}^n \Gamma_i$
$\Sigma = \prod_{i=1}^n \Sigma_i$
$\Phi = \prod_{i=... | $\Phi = \sum_{i=1}^n \Phi_i$ | general_qa | 195 |
The following is a multiple choice question (with answers).
===Question
For a certain concrete cast-in-place pile, it is known that the pile diameter is 0.8m, and the top of the pile is located 2.0m below the ground surface. The pile has a length of 10.0m and penetrates into the sand and gravel layer to a depth of $2 \... | 459.4kN | general_qa | 402 |
The following is a multiple choice question (with answers).
===Question
A glass tube of circular cross-section is closed at one end. This end is weighted and the tube floats vertically in water heavy end down. How far below the water surface is the end of the tube? Given Outer radius of the tube 0.14 cm, mass of weight... | 4.31 cm | general_qa | 167 |
The following is a multiple choice question (with answers).
===Question
What is the basin storage capacity $W_m$$ also known as?
===Choices
Soil Moisture Content
Essential Water Reserve of the Basin
Estimated Evaporation Rate of the Basin
Excess Water Overflow of the Basin
Basin Water Storage Capacity
Effective Water ... | Maximum Storage Capacity of the Basin | general_qa | 102 |
The following is a multiple choice question (with answers).
===Question
For patients with chronic diarrhea, spleen deficiency and dampness, rumbling bowels, loose and sticky stools, thick and greasy tongue coating, or diarrhea immediately after eating, the following drugs should be added to the spleen-strengthening and... | Yang-raising and dampness-removing drugs | general_qa | 182 |
The following is a multiple choice question (with answers).
===Question
Proteases find it challenging to act on ___________, thereby making them less effective than soluble globular proteins.
===Choices
insoluble fibrous proteins
soluble fibrous proteins
insoluble linear carbohydrates
dynamic helical proteins
inactive... | insoluble fibrous proteins | general_qa | 95 |
The following is a multiple choice question (with answers).
===Question
When was the Milgram experiment conducted?
===Choices
1962
1960
1968
1964
1965
1969
1963
1966
1961
1967 | 1963 | general_qa | 74 |
The following is a multiple choice question (with answers).
===Question
Let $A=\{(x,y):0\leq x,y<1\}$. For $(x,y)\in A$, let \[S(x,y) = \sum_{\frac{1}{2}\leq \frac{m}{n}\leq 2} x^m y^n,\] where the sum ranges over all pairs $(m,n)$ of positive integers satisfying the indicated inequalities. Evaluate \[\lim_{(x,y)\right... | 3 | general_qa | 171 |
The following is a multiple choice question (with answers).
===Question
What should be the value of time interval ( $\Delta t$) for reasonable accuracy of the computed response, where $\mathrm{T_{n}}$ is the natural period of the oscillator?
===Choices
$\Delta t \leq0. 3 \mathsf{T}_{\mathsf{n}}$
$\Delta t =0. 5 \maths... | $\Delta\mathsf{t} \leq0. 1 \, \mathsf{T}_{\mathsf{n}}$ | general_qa | 264 |
The following is a multiple choice question (with answers).
===Question
Four identical pendulums are made by attaching a small ball of mass $100$g on a $20$cm long thread and suspended from the same point. Now each ball is given charge Q so that balls move away from each other with each thread making an angle of $45^o$... | $1.5\mu$C | general_qa | 200 |
The following is a multiple choice question (with answers).
===Question
A one-dimensional atomic chain composed of identical atoms, with two atoms in each primitive cell, the primitive cell length is a, and the relative distance between the two atoms in the primitive cell is b. Find the E(k) function of the correspondi... | E(k)=E_{s},-J_{0},-2J_{1},\cos (\frac{ka},{2}, )\cdot e^{-ik(na-\frac{a},{2},+b )}, | general_qa | 536 |
The following is a multiple choice question (with answers).
===Question
What does marked communication mean?
===Choices
a signal method for transmitting messages between electronic devices
a coded language designed for confidential business transactions
a mode of interaction that involves touch and facial expressions ... | a mode of communication that conveys sound through objects or symbols | general_qa | 133 |
The following is a multiple choice question (with answers).
===Question
Infarction of anterior inferior cerebellar artery may cause damage to
===Choices
Spinal nucleus of trigeminal nerve
Medial vestibular nucleus
Spinal trigeminal nucleus
Medial vestibular nuclei
Lateral spinothalamic tract
Cochlear nuclei
Vestibular... | Vestibular nuclei | general_qa | 95 |
The following is a multiple choice question (with answers).
===Question
Let $X$ be uniformly distributed over $\{1, 2, \ldots, m\}$. Assume $m=2^n$ . We ask random questions: Is $X\in S_1$? Is $X\in S_2$? ... until only one integer remains. All $2^m$ subsets of $\{1, 2, \ldots, m\}$ are equally likely. Suppose we ask $... | 0.0 | general_qa | 184 |
The following is a multiple choice question (with answers).
===Question
Which of the following ways is used to add multi-line comments in JS files in wechat applets?
===Choices
/* Comment content
/*Comment content/
<!-Comment content
//Comment contents//
/Comments content
[Comment content]
/Comment contents/
# Comment... | /Comment contents/ | general_qa | 80 |
The following is a multiple choice question (with answers).
===Question
What work should be done in an SQL query using the WHERE clause?
===Choices
Limit the output of the SUM(sal) function
Define the output columns of the query
Delete the rows that do not meet the conditions
Limit the number of rows returned
Set an a... | Compare the value of EMPNO with 7876 | general_qa | 109 |
The following is a multiple choice question (with answers).
===Question
What is the total number of officially recognized ethnic groups in Myanmar?
===Choices
138
134
139
135
130
136
137
131
133
132 | 135 | general_qa | 69 |
The following is a multiple choice question (with answers).
===Question
Two real numbers $h$ and $r$ are chosen at random in the interval (0,1) with respect to the uniform distribution. What is the probability that the closest integer to $h/r$ is even? Express the answer in the form $r+s\pi$, where $r$ and $s$ are rati... | \frac{5 - \pi}{4} | general_qa | 192 |
The following is a multiple choice question (with answers).
===Question
Even if non-governmental organizations generate income surplus during their activities, they cannot distribute it between their members and the board of directors. Its attribute is called ().
===Choices
Non governmental
Non personal nature
Non div... | Non profit organization | general_qa | 84 |
The following is a multiple choice question (with answers).
===Question
An electric dipole moment $ \overrightarrow P = (2.0 \hat i + 3.0 \hat j) \mu $ is placed in a uniform electric field $ \overrightarrow E = (3.0 \hat i+ 2.0 \hat k) \times 10^5 NC^{-1} $ .
===Choices
If the dipole is rotated in the electric field,... | If the dipole is rotated in the electric field, the maximum potential energy of the dipole is 1.3 J | general_qa | 341 |
The following is a multiple choice question (with answers).
===Question
Of the following objects, the one that shines most like an emission nebula shines is().
===Choices
a candle flame flickering at night
a polished mirror reflecting sunlight
a light bulb glowing in a lamp
a red hot ember from a campfire
a glowing fl... | a glowing fluorescent light tube | general_qa | 98 |
The following is a multiple choice question (with answers).
===Question
The gonads are located () of the swim bladder.
===Choices
On the right side only
On the left side only
On both sides laterally
Dorsal centrally
Ventral bottom
Ventral side
Dorsal top
On both sides dorsally
On both sides ventrally
On both sides cen... | On both sides centrally | general_qa | 81 |
The following is a multiple choice question (with answers).
===Question
Human capital content becomes a measure of the quality level of human resources ().
===Choices
Talent acquisition
Intrinsic determinants
Core competencies
Performance benchmarks
Capability indicators
Workforce metrics
External influencers
Skill se... | Intrinsic determinants | general_qa | 68 |
The following is a multiple choice question (with answers).
===Question
If a rubber ball is taken down to a 100 m deep lake, its volume decreases by 0.1%. If $g=10\quad m/{ s }^{ 2 }$ then the bulk modulus of elasticity for rubber, in N/${ m }^{ 2 }$, is
===Choices
$${ 10 }^{ 8 }$$
$${ 10 }^{ 12 }$$
$${ 10 }^{ 10 }$$
... | $${ 10 }^{ 10 }$$ | general_qa | 181 |
The following is a multiple choice question (with answers).
===Question
When a linear list adopts linked storage, the storage addresses of the nodes().
===Choices
Must not have any gaps in between
Must change if nodes are deleted
Can be permanently fixed during runtime
Must be continuous
Must be consistent in their or... | Can be either continuous or not | general_qa | 100 |
The following is a multiple choice question (with answers).
===Question
$1.4275\ g$ sample of $[Cr(NH_3)_6]SO_4Cl$ (mol. wt $= 285.5$) is dissolved to prepare $250\ mL$ solution showing an osmotic pressure of $1.478\ atm$ at $27^{\circ}C$.Which of the following statements are correct about this solution?I.Each molecule... | All of the these | general_qa | 241 |
The following is a multiple choice question (with answers).
===Question
If linearly polarized light is incident perpendicularly on a calcite crystal with its optical axis parallel to the interface, and the direction of the light's electric field vector makes an angle of 60° with the principal plane of the crystal, what... | 3:1 | general_qa | 125 |
The following is a multiple choice question (with answers).
===Question
Which statement is true about the K-Means algorithm?
===Choices
all attribute values must be categorical
requires attributes to be dependent
k must equal number of observations
centroids are always initial labels
attribute values may be either cat... | all attributes must be numeric | general_qa | 97 |
The following is a multiple choice question (with answers).
===Question
The two given group codes are (1111) and (0000). If used for error detection, they can detect () bit errors; if used for error correction, they can correct () bit errors.
===Choices
3,1
5,3
3,2
2,1
4,2
1,1
0,0
1,0
2,2 | 3,1 | general_qa | 97 |
The following is a multiple choice question (with answers).
===Question
Which permanent teeth are more prone to congenital defects?
===Choices
Upper and lower second incisors
Upper and lower second molars
Upper and lower central incisors
Upper and lower first molars
Upper and lower third molars
Upper and lower second ... | upper and lower lateral incisors | general_qa | 96 |
The following is a multiple choice question (with answers).
===Question
If $\mathrm{Fe}_{2}\mathrm{O}_{3}$ is dissolved in NiO, the mass fraction $w(\mathrm{Fe}_{2}\mathrm{O}_{3})$ is 10%. At this point, some $3\mathrm{Ni}^{2+}$ are replaced by $(2\mathrm{Fe}^{3+}+$ □) to maintain charge balance. Given that $r_{U^{-}}=... | $$
2. 4 6 \times1 0^{2 7} ( \uparrow)
$$ | general_qa | 427 |
The following is a multiple choice question (with answers).
===Question
Which is the largest saltwater lake in India?
===Choices
Sambhar Lake
Wular Lake
Chilika Lake
Pulicat Lake
Vembanad Lake | Chilika Lake | general_qa | 52 |
The following is a multiple choice question (with answers).
===Question
The new steam pressure of a certain Rankine cycle is $3 MPa$, with a temperature of 600°C. The condenser is maintained at 45°C. Given that the relative internal efficiency of the turbine is 0.85 and ignoring the pump work, calculate the cycle therm... | 0.318 | general_qa | 140 |
The following is a multiple choice question (with answers).
===Question
Test for diagnosis of pyogenic meningitis is?
===Choices
CSF PCR
CSF culture
CSF WBC count
CSF cell count
PET scan
CSF examination
CSF microscopic examination
Widal
CSF protein
CSF glucose | CSF examination | general_qa | 68 |
The following is a multiple choice question (with answers).
===Question
What kind of scale does 1 cm on the map correspond to 1 km on the ground?
===Choices
Graphical Representation
Linear Distance
Altitude Marker
Compass Direction
Topographic Grid
Fractional Scale
Verbal Scale
Area Measurement
Numerical Legend
Temper... | Verbal Scale | general_qa | 73 |
The following is a multiple choice question (with answers).
===Question
A furnace operates at 1 atm using preheated air to improve fuel efficiency. When the air is preheated to 800K and the air-fuel mass ratio is 18, what is the adiabatic flame temperature? Assume the initial temperature of the fuel is 450K. Other ther... | 2551 | general_qa | 247 |
The following is a multiple choice question (with answers).
===Question
For the cell prepared from electrode $A$ and $B$, electrode $A$: $\dfrac{Cr_2O_7{^{2-}}}{Cr^{3+}}$ , $E^o{_{red}}$ = + 1.33 V and electrode $\dfrac{Fe^{3+}}{Fe^{2+}}$, $E^o{_{red}}$ = 0.77 V, which of the following statement is not correct?
===Cho... | $A$ will be positive electrode | general_qa | 169 |
The following is a multiple choice question (with answers).
===Question
The maximum tensile stress that aluminum can withstand is $2.0 \times 10^{8} \, \mathrm{N / m}^{2}$, and for steel, it is $1.0 \times 10^{9} \, \mathrm{N / m^{2}}$. Assuming the radius of the aluminum membrane is $0.01 \, \mathrm{m}$, what is the m... | $$
f=1 0. 4 \mathrm{~ k H z} ; 1 3. 8 \mathrm{~ k H z}
$$ | general_qa | 473 |
The following is a multiple choice question (with answers).
===Question
\( \int{\frac{2x-1}{\sqrt{1- { { x}^{2}}}}dx} \)
===Choices
\(2\sqrt{1- { { x}^{2}}}+rcsin x+C\)
\(\sqrt{1- { { x}^{2}}}-rcsin x+C\)
\(\sqrt{1- { { x}^{2}}}+rcsin x+C\)
\(-2\sqrt{1- { { x}^{2}}}-\arcsin x+C\)
-2\sqrt{1- { { x}^{2}}}+\arcsin x+C... | \(-2\sqrt{1- { { x}^{2}}}-\arcsin x+C\) | general_qa | 260 |
The following is a multiple choice question (with answers).
===Question
What classification method does Mr. Ding Naitong's "Index of Chinese Folk Story Types" use?
===Choices
Structural
Uther Index
Proppian
Interpretive grouping
Morphological
Functional
Numerical classification
Thompson Index
Counting method
AT | AT | general_qa | 73 |
The following is a multiple choice question (with answers).
===Question
_______ refers to a large category of products manufactured using organisms, biological tissues, or their components, used for prevention, diagnosis, and treatment.
===Choices
Bioelectronics
Biocosmetics
Bioinformatics
Biopharmaceutics
Biocomputin... | Biopharmaceutics | general_qa | 87 |
The following is a multiple choice question (with answers).
===Question
In biological oxidation reactions that rely on organic mechanisms, exogenous inorganic oxides are primarily used as the final electron acceptors. What is this called?
===Choices
Metabolic Acidosis
Fermentation
Cellular Ketogenesis
Aerobic Respirat... | Anaerobic Respiration | general_qa | 108 |
The following is a multiple choice question (with answers).
===Question
What are some typical choices of structural systems for concert halls?
I. Wood Light Frame
II. Heavy Timber Construction
III. Cross-Laminated Timber
IV. Long-Span Wood Systems
V. Masonry Systems
VI. Lightweight Steel Framing
VII. Steel Frame
VIII. ... | VII, X | general_qa | 185 |
The following is a multiple choice question (with answers).
===Question
Xi Jinping's Thought on Socialism with Chinese Characteristics for a New Era deepens the understanding of ( ) with a brand new perspective.
===Choices
the laws of socialist economic construction
the laws of economic development in socialism
the la... | the laws of socialist construction | general_qa | 116 |
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