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 tooth roots are located above the canine fossa?
===Choices
Upper second premolar
Maxillary front teeth
Upper first molar
Maxillary canine tooth
Upper third molar
Maxillary first premolar
Upper canine tooth
Upper second molar
Upper front teet... | Maxillary first premolar | general_qa | 77 |
The following is a multiple choice question (with answers).
===Question
What does "Quasi-State" mean?
===Choices
A State that possesses neither juridical statehood nor empirical statehood.
A State that possesses empirical statehood but is severely deficient in juridical statehood.
A State that possesses empirical stat... | A State that possess juridical statehood but severely deficient in empirical statehood. | general_qa | 146 |
The following is a multiple choice question (with answers).
===Question
$a_{\mathrm{n}}$ is the normal acceleration and $a_{t}$ is the tangential acceleration. When $\boldsymbol{a}_{\mathrm{n}}=0 \,, \, \, \, \, \boldsymbol{a}_{t} \neq0 \boldsymbol{\mathrm{}}$, the mass point is in ___ motion. When $a_{\mathrm{n}} \neq... | Variable speed linear motion, uniform speed curved motion | general_qa | 222 |
The following is a multiple choice question (with answers).
===Question
Sodium (atomic mass $=23$ amu) crystallizes in a bcc arrangement with the interfacial separation between the atoms at the edge $53.6$ pm. The density (in g cm$^{-3}$) of sodium crystal is:
===Choices
1.29
$$2.07$$
2.19
1.97
2.32
none of the above
... | $$1.19$$ | general_qa | 128 |
The following is a multiple choice question (with answers).
===Question
We now define an algorithm: The definition of a(n) is the coordination sequence for the 2D periodic tiling 3.6.3.6, representing the number of vertices at distance n from a given vertex in a specified planar net structure. This sequence also corres... | [190, 238, 198, 248, 206, 258, 214, 268, 222, 278] | general_qa | 649 |
The following is a multiple choice question (with answers).
===Question
The elastic collision between two bodies, A and B, can be considered using the following model. A and B are free to move along a common line without friction. When their distance is greater than d = $1$m, the interacting force is zero; when their d... | $2$m | general_qa | 216 |
The following is a multiple choice question (with answers).
===Question
When a child is participating in an activity of interest, if he or she exhibits bad behavior, the teacher can stop the activity in time and allow him or her to continue participating when he or she behaves well. This is a specific application of th... | Extinction | general_qa | 109 |
The following is a multiple choice question (with answers).
===Question
Which of the following items pertains to the solution program for transportation problems?
===Choices
Evaluate economic impacts and develop a transportation budget.
Discuss infrastructure problems and design a transit schedule.
Investigate daily p... | Analyze real-life issues and create a transportation table. | general_qa | 129 |
The following is a multiple choice question (with answers).
===Question
If you implement a circular queue with an array of size 6, the current value of rear is 0 and the value of front is 3. What are the values of rear and font when one element is removed from the queue and two elements are added?
===Choices
3 and 4
4... | 2 and 4 | general_qa | 119 |
The following is a multiple choice question (with answers).
===Question
What are the common changes in blood pressure when elderly individuals experience reduced aortic elasticity accompanied by arteriosclerosis of small arteries?
===Choices
Systolic pressure remains stable, but diastolic pressure moderately drops.
Ar... | Both systolic and diastolic blood pressure are elevated. | general_qa | 183 |
The following is a multiple choice question (with answers).
===Question
A Wenlock-type multi-span glass greenhouse in Jinan, Shandong, measures 96 meters from east to west (10 spans, each span 9.6 meters with 3 roofs per span) and 40 meters from north to south. The gutter height is 3.6 meters, and the ridge height is 4... | 296.9 W/m² | general_qa | 323 |
The following is a multiple choice question (with answers).
===Question
Assuming the passive sign convention, find the current through a 0.1 H inductor at t = 2s if (a) V_L = 0.5 t V for 0 \leq t \leq 3s,\nu_L= 0 for t < 0 and t > 3, andi_L= 0 at t = - 3; (b) V_L = 0.5 (t + 2) V for -2 \leq t \leq s,\nu_L= 0 for t < -2... | 10 A, 22.5 A, 23.6 A | general_qa | 352 |
The following is a multiple choice question (with answers).
===Question
A cart is accelerating horizontally with constant acceleration equal to g(=$9.8m/s^2$). A particle is projected inside it with the speed u relative to the cart at the angle $\theta = 45$ with the horizontal floor of cart for an observer inside the ... | A straight line | general_qa | 104 |
The following is a multiple choice question (with answers).
===Question
Among the following compounds, the one that reacts slowest with HCN in an addition reaction is ()
===Choices
trichloroacetaldehyde
benzaldehyde
formaldehyde
trichloroacetone
acetaldehyde
propionaldehyde
acetone | benzaldehyde | general_qa | 71 |
The following is a multiple choice question (with answers).
===Question
A MOS structure capacitor consisting of Metal-SiO₂-Si (p-type) has a hole concentration $N_{A} = 1.5 \times 10^{15} \ \text{cm}^{-3}$. The SiO₂ layer thickness is $d_{0} = 0.2 \ \mu\text{m}$ with a relative permittivity $\varepsilon_{\tau_{0}} = 3.... | $$
4. 2 2 ( \mathrm{V} )
$$ | general_qa | 394 |
The following is a multiple choice question (with answers).
===Question
An enterprise produces two kinds of products, A, B, its unit profit is 300 yuan, 200 yuan respectively, the company has two machining centers I and II., they work 20 hours a day, 18 hours respectively. Products A and B need to be processed by these... | 3.2 units of product A and 8.4 units of B are produced every day | general_qa | 368 |
The following is a multiple choice question (with answers).
===Question
If the high tide on a given day occurs at 3:00 pm, at what time is the high tide most likely to occur the following day?
===Choices
3:10 pm
4:00 pm
2:10 pm
3:50 pm
3:15 pm
3:00 pm
4:10 pm
4:20 pm
3:25 pm
3:40 pm | 3:50 pm | general_qa | 108 |
The following is a multiple choice question (with answers).
===Question
For the gas phase reaction
$ 2NO \rightleftharpoons N_2 +O_2, $ $ \Delta H= -43.5 K.cals $
Which one of the following is true for the reaction
$$ N_{2(g)}+O_{2(g)} \rightleftharpoons 2NO_{(g)} $$
===Choices
$ K_c $ remains constant with changes ... | $ K_c $ is independent of temperature | general_qa | 174 |
The following is a multiple choice question (with answers).
===Question
If the pH decreases, which of the following electrode potentials increases?
===Choices
N2O/N2
Ag+/Ag
O2/OH-
SO4-/SO3-
NO2/NO
CO3-/CO2-
H2O2/H2O
Zn2+/Zn
Hg2+/Hg
Cl2/Cl- | H2O2/H2O | general_qa | 89 |
The following is a multiple choice question (with answers).
===Question
Which of the following statements about the emergence of eukaryotic cells is incorrect?
===Choices
The origin of eukaryotic cells triggered the elimination of complex multicellular forms.
The origin of eukaryotic cells facilitated the formation of... | The origin of eukaryotic cells led to the simplification of organism structures and the convergence of functions. | general_qa | 223 |
The following is a multiple choice question (with answers).
===Question
In the cell $Ag | Ag^+ || Cu^{2+} | Cu$ containing 1 M $Cu^{2+}$ and 1 M $Ag^+$ ions, 9.65 ampere current is passed for 1 hour. Select the correct statement.
===Choices
$Cu^{2+}$ will reduce to Cu and new $[Cu^{2+}] = 1.18 M$
$Ag^+$ will reduce to... | $Cu^{2+}$ will reduce to Cu and new $[Cu^{2+}] = 0.82 M$ | general_qa | 335 |
The following is a multiple choice question (with answers).
===Question
When was the Zhejiang University Architectural Design Institute established?
===Choices
1954
1953
1955
1952
1959
1958
1950
1957
1951
1956 | 1953 | general_qa | 79 |
The following is a multiple choice question (with answers).
===Question
The coefficient range of a reversed Carnot cycle is ____
===Choices
Greater than 0 but less than 1
Greater than 0 but less than or equal to 1.5
Greater than 0 but less than or equal to 1.2
Greater than 0 but less than or equal to 1
Greater than 0
... | Greater than 0 | general_qa | 139 |
The following is a multiple choice question (with answers).
===Question
Assume the instruction pipeline divides an instruction into three parts: fetching, decoding, and executing, with their respective times being $t_{\mathrm{fetch}}=$ 2 ns, $t_{\mathrm{decode}}=2$ ns, and $t_{\mathrm{execute}}=1$ ns. Then, the time re... | 203ns | general_qa | 148 |
The following is a multiple choice question (with answers).
===Question
An ideal thermally driven refrigeration cycle receives thermal energy from a solar collector at a temperature of $70^{\circ}C$, provides cooling at $15^{\circ}C$, and discharges heat into the atmosphere at $35^{\circ}C$. Determine the thermodynamic... | 1.4695 | general_qa | 152 |
The following is a multiple choice question (with answers).
===Question
What is the strategic advantage that the Communist Party of China has gained from the signing of the Double Tenth Agreement?
===Choices
Strengthened international recognition of its governance
Secured economic aid from the United States
Gained con... | Obtained political initiative | general_qa | 121 |
The following is a multiple choice question (with answers).
===Question
Determine the remainder obtained when the expression
$2004^{2003^{2002^{2001}}}$
is divided by $1000$ .
===Choices
504
804
904
708
304
704
104
604
404
204 | 704 | general_qa | 97 |
The following is a multiple choice question (with answers).
===Question
The 10 cm ruby rod is placed inside a 20 cm resonant cavity. It is known that its spontaneous emission lifetime $\tau_{21}=4 \times 10^{-3} \mathrm{s}$, $AV = 2 \times 10^{5}$ MHz, and the one-way cavity loss rate is 8 = 0.01. Determine ① the thres... | $$
2 \times1 0^{-2 2} \, m^{-3}
$$
$$
1 6 5
$$ | general_qa | 466 |
The following is a multiple choice question (with answers).
===Question
A gas turbine combustion chamber may be approximated as a long tube of 0.4-m diameter. The combustion gas is at a pressure and temperature of $1$ atm and 1000°C, respectively, while the chamber surface temperature is 500°C. If the combustion gas co... | $\mathrm{21.9 kW/m^2}$ | general_qa | 259 |
The following is a multiple choice question (with answers).
===Question
In the circuit shown, initially there is no charge on capacitors and keys $S_1$ and $S_2$ are open. The values of the capacitors are $C_1=10\mu F$, $C_2=30\mu F$, and $C_3=C_4=80\mu F$. Which statements is/are correct?
===Choices
At time \( t=0 \)... | At time $t=0$, the key $S_1$ is closed, the instantaneous current in the closed circuit will be $25$mA | general_qa | 409 |
The following is a multiple choice question (with answers).
===Question
A patient with suspected subarachnoid haemorrhage presents with blood isolated in the fourth ventricle on a CT scan. Aneurysmal rupture is likely to have resulted from -
===Choices
Superior Cerebellar Artery Aneurysm
Inferior Cerebellar Artery Ane... | Posterior Inferior Cerebellar Artery Aneurysm | general_qa | 189 |
The following is a multiple choice question (with answers).
===Question
The human heart discharge 75 cc of blood through the arteries at each beat against an average pressure of 10 cm of mercury.Assuming that the pulse frequency is 72 per minute,the rate of working of heart in watt is (Density of mercury = $13.6 gm/cc$... | 11.9 W | general_qa | 154 |
The following is a multiple choice question (with answers).
===Question
Using the reversed-phase chromatography method to quantitatively determine a certain drug and its metabolites, the retention times measured with a column length of 15 cm are 4.50 minutes and 5.50 minutes, respectively, with half peak widths of 0.52... | 1.07 | general_qa | 149 |
The following is a multiple choice question (with answers).
===Question
Which of Puccini's operas are named after the female protagonists?
===Choices
"La Bohème"; "Turandot"; "Manon Lescaut"; "Sister Angelica".
"Tosca"; "Turandot"; "La Rondine"; "Sister Angelica".
"Tosca"; "Turandot"; "Madama Butterfly"; "Sister Angel... | "Tosca"; "Turandot"; "Manon Lescaut"; "Sister Angelica". | general_qa | 244 |
The following is a multiple choice question (with answers).
===Question
A previously healthy 30-year-old woman comes to the physician because of a 6-month history of a recurring rash that typically occurs on exposure to the sun and affects only the face. She also has noticed several nonpainful ulcers on the roof of her... | Renal biopsy | general_qa | 297 |
The following is a multiple choice question (with answers).
===Question
'In Spring of 1936 in Taiyuan' is the report literature work of which author?
===Choices
Mao Dun
Fan Changjiang
Qu Qiubai
Xia Yan
Song Zhide | Fan Changjiang | general_qa | 60 |
The following is a multiple choice question (with answers).
===Question
The indicators for assessing the work of civil aviation transport mainly include (), (), flight safety indicators and labor productivity indicators.
===Choices
Logistics efficiency, regional connectivity index
Fare competitiveness, route network c... | Output index, technical and economic index | general_qa | 120 |
The following is a multiple choice question (with answers).
===Question
There are five types of temperature inversions: radiation inversion, subsidence inversion, advection inversion, turbulent inversion, and ________.
===Choices
thermal inversion
convection inversion
seasonal inversion
wind inversion
pressure inversi... | frontal inversion | general_qa | 80 |
The following is a multiple choice question (with answers).
===Question
When salt is sprinkled on a flame, yellow light consisting of two closely spaced wavelengths, 588.997 nm and 589.594 nm, is produced. They are called the sodium D line and were observed by Fraunhofer in the Sun's spectrum. If this light falls on a ... | $$
0.0219^\circ
$$ | general_qa | 242 |
The following is a multiple choice question (with answers).
===Question
Supermassive black holes are thought to exist in the centers of many galaxies. What would be the Schwarzschild radii of black holes of 1 million and 1 billion solar masses, respectively?
===Choices
For 1 million solar masses, the star's radius hit... | Therefore, the 1 million solar mass star has a Schwarzschild radius of 3 million km, which is 4.3 times the radius of the Sun. The 1 billion solar mass black hole would have a Schwarzschild radius of 3 billion km. | general_qa | 453 |
The following is a multiple choice question (with answers).
===Question
Which specific law or set of legal principles provides the foundation for enacting criminal law?
===Choices
Administrative Law
Civil Law
Maritime Law
Common Law
Corporate Law
Tort Law
Probate Law
Statutory Law
Economic Law
Constitution | Constitution | 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 of numbers formed by using the formulas k*(5*k+1)/2 or k*(5*k-1)/2, where k is an integer. Given the input x_list (a series of values): [41, 42, 43, 44, 45, 46, 47, 48, 49, 50], det... | [1010, 1092, 1113, 1199, 1221, 1311, 1334, 1428, 1452, 1550] | general_qa | 722 |
The following is a multiple choice question (with answers).
===Question
Which newspaper company originally hosted the Lanzhou Morning News?
===Choices
Gansu Daily News
Gansu Morning Daily Newspaper
Gansu Evening Daily Newspaper
Lanzhou Daily Newspaper
Gansu Daily News Company
Gansu Morning Newspaper
Gansu Evening News... | Gansu Daily Newspaper | general_qa | 89 |
The following is a multiple choice question (with answers).
===Question
In a 100 MW reactor, the number of fissions per second is___.
===Choices
$$
4 \times 1 0^{1 7}
$$
$$
2 \times 1 0^{1 8}
$$
$$
5 \times 1 0^{1 8}
$$
$$
9 . 5 \times 1 0^{1 7}
$$
$$
7 \times 1 0^{1 7}
$$
$$
3 . 5 \times 1 0^{1 8}
$$
$$
1 0^{1 8}
$$
... | $$
1 0^{1 8}
$$ | general_qa | 197 |
The following is a multiple choice question (with answers).
===Question
Which of the following statements about the impact of climate change on the global cryosphere is incorrect?
===Choices
The altitude of mountain glaciers is generally increasing.
Arctic sea ice has always been connected to the land and has never be... | Arctic sea ice has always been connected to the land and has never been disconnected. | general_qa | 145 |
The following is a multiple choice question (with answers).
===Question
What is the title of the painting Sir William Beechey (British portraitist) painted for the 1798 exhibition of the Royal Academy?
===Choices
George III and the Prince of Wales at the Military Parade
George III and the Prince of Wales at the Royal ... | George III and the Prince of Wales Reviewing Troops | general_qa | 182 |
The following is a multiple choice question (with answers).
===Question
Children absolutely respect and obey the teacher's words, think that disobedience, disobedience is bad, according to Piaget's theory of character development stage, it is in ___.
===Choices
The authority stage
Egocentric stage
The submission stage... | The authority stage | general_qa | 97 |
The following is a multiple choice question (with answers).
===Question
Among the following power plants, those that can be selected as frequency-regulating plants are( ).
===Choices
Low-Temperature, Low-Pressure Thermal Power Plant
Medium Temperature and Medium Pressure Thermal Power Plant
High-Temperature, High-Pres... | Medium Temperature and Medium Pressure Thermal Power Plant | general_qa | 91 |
The following is a multiple choice question (with answers).
===Question
What is the minimum kinetic energy in MeV of a proton in a medium-sized nucleus having a diameter of 8.0 x 10^-15 m?
===Choices
0.08
0.08 x 10^-3
8.0
0.000008
80
0.005
0.5
0.008
0.8
0.0008 | 0.08 | general_qa | 109 |
The following is a multiple choice question (with answers).
===Question
A ring, a disc , a hollow sphere and a solid sphere take part in a race on an inclined plane. If all of them have the same radius and the same mass, which of them will win the race?
===Choices
Cylinder
cylinder
hollow sphere
Solid sphere
Disc
Hol... | ring | general_qa | 93 |
The following is a multiple choice question (with answers).
===Question
The cells of the crescents in diffuse crescentic glomerulonephritis are
===Choices
visceral epithelial cells of the glomerular capsule and macrophages
visceral epithelial cells of the glomerular capsule and fibroblasts
visceral epithelial cells of... | visceral epithelial cells of the glomerular capsule and monocytes | general_qa | 180 |
The following is a multiple choice question (with answers).
===Question
According to the Hague Rules, in which of the following situations is the carrier exempt from the liability imposed by law?
===Choices
Confiscation by a legitimate power or authorized officials.
Detainment or imprisonment by unauthorized civilians... | Detainment or imprisonment by a monarch, authority, or people, or legal seizure. | general_qa | 154 |
The following is a multiple choice question (with answers).
===Question
In oceanic sediments, the sediments with siliceous remains greater than 30% and siliceous and calcareous remains greater than 50% are called _____.
===Choices
siliceous mud
calcareous silt
organic-rich shale
siliceous sand
biogenic mud
biogenic sa... | siliceous mud | general_qa | 104 |
The following is a multiple choice question (with answers).
===Question
Who is responsible for the music of <Hira Hira Hihiru>?
===Choices
MANYO
MANYOUZU
MANYOSHI
MANYOZU
MANYOZ
MANYOU
MANYOUS
MANYOUSU
MANYOUSHI
MANYOUZ | MANYO | general_qa | 84 |
The following is a multiple choice question (with answers).
===Question
What is the ratio of the actual heat dissipation of the fin to the heat dissipation assuming that the entire surface of the fin is at the rib base temperature?
===Choices
Tertiary performance
Auxiliary efficiency
Secondary productivity
Main profic... | Auxiliary efficiency | general_qa | 83 |
The following is a multiple choice question (with answers).
===Question
There are 15 ping-pong balls in a box, 9 of which are new balls. Take out any 3 balls in the first game, put them back in the original box after the game, and take out any 3 balls in the second game. What is the probability that all three balls tak... | $$
0. 0 8 9
$$ | general_qa | 218 |
The following is a multiple choice question (with answers).
===Question
The function \( y = (x - 3)e^x + C_1x^2 + C_2x + C_3 \) satisfies a differential equation ( ).
===Choices
\( y''' = xe^x \)
\( y'' - 4y = 0 \)
\( y'' + y' = x + e^x \)
\( y'' + y' = e^x \)
y''' = 2xe^x - 3
\( y'' + y' = xe^x \)
y''' = 2xe^x
\( y''... | \( y''' = xe^x \) | general_qa | 176 |
The following is a multiple choice question (with answers).
===Question
Most bacteriophage capsid proteins are ( ).
===Choices
Linear formation
Perfect symmetrical
Regular formulation
Circular aggregate
Irregular molecule
Fragmented structure
Symmetrical composite
Asymmetrical compound
Uniform composite
Asymmetrical o... | Symmetrical composite | general_qa | 64 |
The following is a multiple choice question (with answers).
===Question
From different value perspectives, criminal intelligence can be classified into the following () types:
I. Strategic Intelligence
II. Tactical Intelligence
III. Operational Intelligence
IV. Action Intelligence
===Choices
II
I,II,IV
II,III
I,II,III... | I,II,IV | general_qa | 92 |
The following is a multiple choice question (with answers).
===Question
Above the sandy seabed at 20 meters, there is a line array 10A in length (with a wavelength ⋋ of 6 cm), with a beam aimed at the seabed at a grazing angle of 12°. Given that the source level of the emitted sound is 100 dB and the pulse width is 10 ... | 12.4dB | general_qa | 167 |
The following is a multiple choice question (with answers).
===Question
Compare the performance indicators of the 2ASK, 2FSK, and 2PSK systems. Among them, the one with the worst effectiveness is the ____ system, and the one with the best reliability is the ____ system.
===Choices
2FSK, 2PSK
2FSK, 2ASK
2FSK, 2FSK
2PSK... | 2FSK, 2PSK | general_qa | 139 |
The following is a multiple choice question (with answers).
===Question
For a known first-order linear homogeneous system of equations $x^{\prime}=A(t)x$, the eigenvalues are 1 and 2, and their corresponding eigenvectors are respectively ${\binom{1} {1}} \cdot{\binom{1} {0}}$,Then the coefficient matrix $\mathrm{A} \ (... | $$\left( \begin{matrix} {{2}} & {{-1}} \\ {{0}} & {{1}} \\ \end{matrix} \right)$$ | general_qa | 453 |
The following is a multiple choice question (with answers).
===Question
The longitudinal deck strakes are located at _____, while the keel plate is located at _____
===Choices
Bottom/side part
Bottom/side shell
Side part/bottom
Ship side/side part | Ship side/side part | general_qa | 57 |
The following is a multiple choice question (with answers).
===Question
A 23-year-old woman presents to her family physician complaining of an extremely itchy rash on her neck, buttocks, and extensor arms and legs. She has been afebrile and has not had any recent travel, outdoor activity, or sick contacts. She has a lo... | Intestinal biopsy is likely to show blunting of the villi and hyperplasia of the crypts | general_qa | 343 |
The following is a multiple choice question (with answers).
===Question
At a certain high mountain, pure water boils at 90°C. How many minutes are needed to cook a hard-boiled egg, which can be cooked in 3 minutes at 100°C, on such a high mountain? Assume the activation energy of the egg cooking process (i.e., protein ... | $$
3 0 0 \text{ min}
$$ | general_qa | 250 |
The following is a multiple choice question (with answers).
===Question
Color blindness is a sex-linked defect. The defective gene is located in the $X$ chromosome. Females
carry an $X X$ chromosome pair, while males have an $X Y$ pair. The trait is recessive, which means that the patient exhibits color blindness only ... | 0.0064 | general_qa | 250 |
The following is a multiple choice question (with answers).
===Question
In object-oriented technology, the basic components of class diagrams are classes and ____.
===Choices
Modules
Operation
Elements
Character
Attributes
Association
Objectives
Functions
Parameters
Entities | Association | general_qa | 53 |
The following is a multiple choice question (with answers).
===Question
The main reason for choosing a differential amplifier circuit as the input stage of an integrated operational amplifier is to ( ).
===Choices
Improve power efficiency
Enhance noise immunity
Minimize power dissipation
Stabilize output voltage
Reduc... | Reduce temperature drift | general_qa | 86 |
The following is a multiple choice question (with answers).
===Question
Which refrigerants are used in Electrolux and Li-Br water refrigeration systems?
===Choices
R-22 and Methanol
Carbon and Tetrafluoride
Propane and Chloride
Ammonia and LithiumWater and Water
Butane and Glycol
Ammonia and Water
Water and Bromide
He... | Ammonia and Water | general_qa | 107 |
The following is a multiple choice question (with answers).
===Question
The music institution established during the Zhou Dynasty is:
===Choices
Jiaofang Qi
Dayue Si
Taichang Si
Dasi Yi
Taichang Shu
Jiaofang
Jiaozhong Si
Taichang Yu
Dasi Yue
Dayue Shu | Dasi Yue | general_qa | 77 |
The following is a multiple choice question (with answers).
===Question
Insert a polarizer at a 45° angle between a pair of orthogonal polarizers, and the intensity of monochromatic natural light passing through them becomes () times the original.
===Choices
$2/\sqrt 3$
$3/\sqrt 3$
$2/\sqrt 2$
$4/\sqrt 3$
$5/\sqrt 3$
... | $4/\sqrt 2$ | general_qa | 124 |
The following is a multiple choice question (with answers).
===Question
In a high-steep structure area, the main exploration target consists of three layers. From shallow to deep, the depths are 1000 m, 2000 m, and 3000 m, with velocities of 2800 m/s, 4000 m/s, and 5000 m/s, respectively. The maximum dip angle of the s... | 3000 | general_qa | 176 |
The following is a multiple choice question (with answers).
===Question
What to use in engine thermal calculations?
===Choices
Total fuel quantity
Minimal pressure variance
Critical fuel density
High calorific value
Continuous energy factor
Basic temperature shift
Average temperature increment
Low calorific value
Stan... | Low calorific value | general_qa | 66 |
The following is a multiple choice question (with answers).
===Question
Camera lenses usually contain an aperture of variable diameter to control exposure. Consider a lens of focal length 50 mm and diameter 25 mm, with a resolution of 200 [(lines) / mm]. How far can this lens be stopped down before diffraction effects ... | 6 mm | general_qa | 111 |
The following is a multiple choice question (with answers).
===Question
What are the three categories of windows based on their use?
===Choices
Operational Dashboard, Input Command Sheet, and Interaction Form.
User Feedback Form, Information Layout, and System Interaction Screen.
Interaction Workflow Canvas, Configura... | Data Manipulation Form, Control Form, and Information Interaction Form. | general_qa | 150 |
The following is a multiple choice question (with answers).
===Question
What is the state presented over time and space by the development of a crop population called?
===Choices
Crop population structure
Agricultural growth pattern
Agricultural demographic timeline
Crop demographic expansion
Agricultural population d... | Crop population structure | general_qa | 84 |
The following is a multiple choice question (with answers).
===Question
What is the earliest existing Chinese map drawn using the scale grid mapping method?
===Choices
The Southern Song stone-carved Yu Ji Tu (incorrectly labeled)
The Southern Song stone-carved Yu Ji Tu (incorrectly restored)
The Southern Song stone-ca... | The Southern Song stone-carved Yu Ji Tu | general_qa | 165 |
The following is a multiple choice question (with answers).
===Question
The human face and fish body pattern is the most representative pattern on ().
===Choices
Yangyun culture painted pottery
Banshan painted pottery
Yinxu oracle bone inscriptions
Miaodigou painted pottery
Liangzhu culture painted pottery
Shang dynas... | Yangyun culture painted pottery | general_qa | 103 |
The following is a multiple choice question (with answers).
===Question
$100$ mL of $0.02\ M$ benzoic acid ($pKa = 4.20$) is titrated using $0.02\ M$ $NaOH$. $pH$ after $50$ mL and $100$ mL of $NaOH$ have been added are:
===Choices
$$4.2, 8.35$$
$$4.2, 7$$
$$4.2, 8.2$$
$$4.2, 7.5$$
$$3.50, 7$$
$$4.2, 8.15$$
$$4.2, 8.... | $$4.2, 7$$ | general_qa | 203 |
The following is a multiple choice question (with answers).
===Question
The nuclear reaction $n+_{ 5 }^{ 10 }B\longrightarrow _{ 3 }^{ 7 }\quad Li+_{ 2 }^{ 4 }$He is observed to occure even when very slow moving neutrons $\left( { m }_{ n }=1.0087u \right) $ strick a boron atom at rest. For a particular reaction in whi... | 1.02 MeV | general_qa | 239 |
The following is a multiple choice question (with answers).
===Question
When conducting quality acceptance inspection of shaft construction, the requirement for shaft wall thickness is
===Choices
Meets design requirements, with local deviation not less than 100mm from the design thickness
Meet design requirements, wit... | Meet design requirements, with local deviations not less than 50mm from the designed thickness | general_qa | 225 |
The following is a multiple choice question (with answers).
===Question
Which of the following geochemical methods is mainly used for prospecting?
===Choices
Geological mapping
Geochemical testing
Geophysical survey
Geochemical prospecting
Geochemical survey
Environmental sampling
Mineral sampling
Geochemical explorat... | Geochemical exploration | general_qa | 70 |
The following is a multiple choice question (with answers).
===Question
The non-equilibrium theory believes that the market price does not have sufficient ().
===Choices
volatility ratio
temporal fluctuation
constant variation
predictable outcome
rigidity
static effect
financial stability
dynamic effect
strategic infl... | elasticity | general_qa | 67 |
The following is a multiple choice question (with answers).
===Question
What is the definition of public archives?
===Choices
Public archives refer to the records of public institutions or other public organizations that are formed in the course of their official activities.
Public archives are records that have been ... | Public archives refer to the records of public institutions or other public organizations that are formed in the course of their official activities. | general_qa | 184 |
The following is a multiple choice question (with answers).
===Question
To improve message(),one must use specific,concrete,and precise language.
===Choices
denotation
metaphor
abstraction
symbolism
connotation
vagueness
inference
ambiguity
interpretation
generalization | denotation | general_qa | 65 |
The following is a multiple choice question (with answers).
===Question
According to the range of tidal action, coastal zones can be divided into _____ , _____ and _____.
===Choices
shoreline area, tidal basin, deep sea zone
high tide zone, medium tide zone, low tide zone
intertidal zone, mid-tidal zone, subtidal zone... | intertidal zone, mid-tidal zone, subtidal zone | general_qa | 153 |
The following is a multiple choice question (with answers).
===Question
Two thermally insulated vessels 1 and 2 are filled with air at temperature $(T_1,\, T_2)$, volumes $(V_1,\, V_2)$ and pressure $(P_1,\, P_2)$ respectively. If the value joining the two vessels is opened, the temperature inside the vessel at equilib... | $$\displaystyle \frac{T_1\, T_2\, P(V_1\, +\, V_2)}{P_1V_1T_2\, +\, P_2V_2T_1}$$ | general_qa | 628 |
The following is a multiple choice question (with answers).
===Question
The volume of the cylindrical thick-walled test container is 0.1 L, containing water in a critical state. Allow it to cool to room temperature, 20 °C, and determine the amount of heat released by the water in the process is(). (Given that the criti... | $$
- 6 2. 3 \ \mathrm{k J}
$$ | general_qa | 274 |
The following is a multiple choice question (with answers).
===Question
China is divided into how many Class I zones according to the Natural Zoning Standards for Roads nationwide?
===Choices
10
9
3
8
5
7
6
11
4
12 | 7 | general_qa | 59 |
The following is a multiple choice question (with answers).
===Question
China's ( ) boasts the largest distribution area and the most well-developed in the world. Its ecosystem's biomass and productivity are second only to the tropical rainforest ecosystem, ranking it second.
===Choices
Evergreen Broadleaf Forest
Coni... | Evergreen Broadleaf Forest | general_qa | 115 |
The following is a multiple choice question (with answers).
===Question
What is the core of Marshall's economic theory system?
===Choices
Resource Allocation Theory and Efficiency Theory
Distribution Theory and Consumption Theory
Price Theory and Distribution Theory
Consumption Theory and Investment Theory
Labor Theor... | Price Theory and Distribution Theory | general_qa | 93 |
The following is a multiple choice question (with answers).
===Question
Which economist, when evaluating the theory of comparative advantage, metaphorically stated that if theories could participate in beauty contests, the comparative advantage theory would rank among the top due to its incomparably beautiful logical s... | Samuelson | general_qa | 93 |
The following is a multiple choice question (with answers).
===Question
Secondary load power supply system should preferably be powered by what?
===Choices
Single Circuit Line
Regular Line Set
Multiple Redundant Lines
Two-circuit lines
General Utility Feed
Independent Power Grid
Three-phase Section
Reliable Circuit
De... | Two-circuit lines | general_qa | 68 |
The following is a multiple choice question (with answers).
===Question
What is the meaning of practical activities?
===Choices
Practical endeavor is a subjective approach in which the individual and the matter coordinate mutually via a specific conduit aiming towards altering the virtual environment.
Practical initia... | Practical activity is an objective process in which the subject and the object interact with each other through a certain intermediary with the purpose of transforming the objective world. | general_qa | 299 |
The following is a multiple choice question (with answers).
===Question
When the French horn plays a middle C (actual pitch) with ff dynamics, which of the following instruments can match its volume at the same pitch?
===Choices
Tuba
Clarinet
Trombone
Flute | Trombone | general_qa | 59 |
The following is a multiple choice question (with answers).
===Question
On days when the atmospheric pressure is 750 mm Hg, the low pressure pressure gauge of the refrigerator shows a vacuum of 10 mm Hg. What is the low pressure absolute pressure of the refrigerator kgf/cm²?
===Choices
0.891
0.883
0.893
0.921
0.874
0.... | 0.883 | general_qa | 125 |
The following is a multiple choice question (with answers).
===Question
Which university is the famous economist Makoto Itoh an emeritus professor of?
===Choices
University of Tsukuba
University of Osaka Prefecture
University of Osaka City
University of Osaka
University of Kyoto
University of Tokyo Prefecture
Universi... | University of Tokyo | general_qa | 85 |
The following is a multiple choice question (with answers).
===Question
What does the high or low abrasion rate of aggregate in Los Angeles mean?
===Choices
Aggregates with a high wear rate possess greater abrasion resistance.
In road construction, aggregates with high Los Angeles abrasion rates are preferred.
Aggrega... | In road construction, aggregates with low Los Angeles abrasion rates are preferred. | general_qa | 179 |
The following is a multiple choice question (with answers).
===Question
What is reflected in the contradiction between the emphasis on foundation and the emphasis on application in the curriculum and teaching of higher education?
===Choices
The contradiction between assessment methods and learning outcomes
The contrad... | The contradiction between academic orientation and social orientation | general_qa | 124 |
The following is a multiple choice question (with answers).
===Question
A gaseous sample of neon, maintained at constant tem-perature, occupies 500 ml at 2.00 atm. Calculate the volume when the pressure is changed to each of the following:(a)4.00 atm;(b)760 torr;(c)1.8 × 10^-3 torr.
===Choices
(a) 1.00 l, (b) 0.50 l, ... | (a) 0.25 l, (b) 1.00 l, (c) 4.35 × 10^5 l | general_qa | 439 |
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