1、When driving on a muddy road, what should drivers do if the wheels spin and slide?
A、Cover the ground under the wheels with gravels
B、Change to a high gear and speed out
C、Cover the ground under the driving wheels with gravels
D、Violently turn the steering wheel and suddenly leed up
Answer：C
2、When a motor vehicle encounters thick fog on an expressway and the visibility is poor, the driver should immediately brake and stop.
A、Right
B、Wrong
Answer：B
3、Drivers are not allowed to drive on or across these filled-in slanted yellow lines.
A、Right
B、Wrong
Answer：A
4、The sign in the red circle indicates that the left road is only for small vehicles.
A、Right
B、Wrong
Answer：B
5、Drivers may cross these lane-dividing lines to change lanes in the same direction.
A、Right
B、Wrong
Answer：B
6、When approaching motor vehicles ahead running at a normal speed on the highway, drivers behind may find a chance and weave through them swiftly.
A、Right
B、Wrong
Answer：B
7、The sign on the right indicates an emergency shield 100 meters ahead.
A、Right
B、Wrong
Answer：A
8、Which is the correct way to use a fire extinguisher?
A、Stand on the leeward side
B、Direct the fire extinguisher at the source of fire
C、Try to approach the source of fire as close as possible
D、Direct the fire extinguisher at the flames
Answer：B
9、The sign on the right indicates that driving along left side only.
A、Right
B、Wrong
Answer：A
10、The sign on the right warns for children on the section ahead.
A、Right
B、Wrong
Answer：A
11、The sign on the right indicates that vehicles from the primary road have priority.
A、Right
B、Wrong
Answer：A
12、When a motor vehicle encounters an emergency on an expressway, the driver should not swiftly turn the steering wheel to evade.
A、Right
B、Wrong
Answer：A
13、When a bicycle borrows the motor vehicle lane, the motor vehicle may sound the horn hurriedly to warn the bicycle to yield.
A、Right
B、Wrong
Answer：B
14、Upon encountering this traffic signal, how should a driver react?
A、Observe the traffic situation and pass at a reduced speed
B、Pass at an increased speed without changing gears
C、Pass before the train comes
D、Crossing the stop line is prohibited
Answer：D
15、When the engine suddenly stalls on the road and cannot be restarted, the driver should apply emergency braking to force the vehicle to stop as fastas possible.
A、Right
B、Wrong
Answer：B
16、When encountering such a situation, the vehicles should cut speed or stop to yield as approaching each other.
A、Right
B、Wrong
Answer：A
17、The sign on the right indicates that drivers should choose their lanes in accordance withthe directions indicated by arrows.
A、Right
B、Wrong
Answer：A
18、When driving in a heavy rain, drivers should contro their speed to prevent their vehicles from sliding.
A、Right
B、Wrong
Answer：A
19、When a motor vehicle reaches a muddy or burst-and-muddy section of the road, the driver should stop, observe and select a level and solid section or a section with vehicle tracks.
A、Right
B、Wrong
Answer：A
20、The sign on the right warns of an unguarded railway crossing 150 meters ahead.
A、Right
B、Wrong
Answer：A