1、Which of the following acts are prohibited when passing through a tunnel?
A、Overtaking
B、Stopping
C、Making a U-turn
D、Reversing
Answer：ABCD
2、Once inflammable gas causes a fire disaster, it should be put out with water in good time.
A、Right
B、Wrong
Answer：B
3、When a motor vehicle deviates from the normal direction due to steering failure, what should the driver do?
A、Immediately steer and adjust
B、Reduce speed and stop the vehicle as early as possible
C、Steer to the side where there is no obstacle to evade
D、Steer to the side where there is an obstacle to evade
Answer：B
4、When rescuing a wounded person who has been poisoned by toxic gas, the first measure is to send him/her to a place with fresh air so that he/she will not continue to be poisoned.
A、Right
B、Wrong
Answer：A
5、Motor vehicles should stop and yield rapidly when encountering this situation at a bus station.
A、Right
B、Wrong
Answer：A
6、The sign on the left indicates no U-turn at the intersection ahead.
A、Right
B、Wrong
Answer：A
7、The sign on the right warns that there are vehicles converging into the intersection on the right.
A、Right
B、Wrong
Answer：A
8、The sign on the right warns of a continuous downhill section ahead.
A、Right
B、Wrong
Answer：B
9、This sign warns to bypass from the right side to avoid the roadblock.
A、Right
B、Wrong
Answer：B
10、When the rear wheels of a motor vehicle skid sideways on a muddy road, the driver should turn the steering wheel in the opposite direction of the side skid.
A、Right
B、Wrong
Answer：B
11、The motor vehicle should stop on the right and wait in this situation.
A、Right
B、Wrong
Answer：A
12、When approaching another vehicle at night, why should the driver alternate between high-and-low-beam at a distance more than 150 meters?
A、Warn each other before passing
B、Driving habit
C、Easy to observe the situation ahead from either side
D、Courtesy
Answer：C
13、The sign in front gives information about the direction of road exits.
A、Right
B、Wrong
Answer：A
14、When fixing the unexposed bones in position, it is necessary to exceed the upper and lower joints of the wounded body part.
A、Right
B、Wrong
Answer：A
15、What's the emergency measure to deal with a sudden tire burst on the road?
A、Swiftly braking to slow down
B、Firmly hold the steering wheel and steadily stop the vehicle as early as possible
C、Swiftly turn the steering wheel to adjust the direction
D、Go ahead at a low speed and find a place for tire change
Answer：B
16、Under such circumstances, what should be done by a motor vehicle driver in order to yield out of courtesy?
A、Driving at a higher speed
B、Closely following the vehicle in front
C、Driving at a higher speed by the right side
D、Driving at a lower speed by the right side
Answer：D
17、The sign on the right side warns of crosswind on the mountain pass ahead.
A、Right
B、Wrong
Answer：A
18、When driving on road sections where safe sight distance is affected, such as the top of a ramp, what should drivers do to ensure safety?
A、Rush through
B、Use hazard lamp
C、Cut speed and sound the horn
D、Drive at will
Answer：C
19、If a driver finds there is no vehicle behind, he/she may change lanes without turning on the indicator.
A、Right
B、Wrong
Answer：B
20、When disembarking, what should be done by drivers in order to keep safe?
A、Opening the door and disembarking immediately after stopping
B、Observing the traffic situation ahead
C、Opening the door first and then observing the situation beside and behind the vehicle
D、Observing the situation beside and behind the vehicle before opening the door slowly
Answer：D