1、When a motor vehicle passes over an overflowing bridge, what should the driver do after stopping and observing closely?
A、Change to a high gear and pass rapidly
B、Constantly observe the changes of the flow
C、Prepare to stop at any time
D、Change to a low gear and pass through at a constant speed
Answer：D
2、When a motor vehicle stops temporarily in a rainy day,which lamp should be turned on?
A、Front and rear fog lamps
B、Hazard lamps
C、Headlamps
D、Reverse lamps
Answer：B
3、When braking, the steering will become impossible if the front wheels are blocked
A、Right
B、Wrong
Answer：A
4、When a motor vehicle moves through water, drivers should intermittently and gently depress the brake pedal in order to restore braking efficiency.
A、Right
B、Wrong
Answer：A
5、When a wounded person is beneath the wheel or cargo, we should help him/her out immediately by pulling the limbs of the wounded.
A、Right
B、Wrong
Answer：B
6、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
7、The sign on the right indicates the road width ahead is limited to 3 meters.
A、Right
B、Wrong
Answer：A
8、If a fast-moving motor vehicle has a steering failure, using emergency braking will not cause an overturn.
A、Right
B、Wrong
Answer：B
9、The guide arrow on the road surface of this lane indicates that only U-turns are permitted at the intersection ahead.
A、Right
B、Wrong
Answer：B
10、When a motor vehicle enters an expressway from the ramp, which of the following lamps should be turned on?
A、The left-turn indicator
B、The right-turn indicator
C、The hazard warning lamp
D、The headlamp
Answer：A
11、When a motor vehicle deviates from the normal direction due to steering failure and an accident is unavoidable, what should the driver do?
A、Apply emergency brake
B、Immediately steer and adjust
C、Immediately steer to the side where there is no obstacle and evade
D、Immediately steer to the side where there is an obstacle and evade
Answer：A
12、The sign on the right indicates an emergency shield 100 meters ahead.
A、Right
B、Wrong
Answer：A
13、The distance-ascertaining section of an expressway is used for the drivers to ascertain the safety distance when the speed is 100 kilometers per hour.
A、Right
B、Wrong
Answer：A
14、What should be taken note of by drivers in this situation?
A、he motor vehicle(s)on the left side
B、The motor vehicle(s) on the right side
C、The motor vehicle(s) behind
D、The motor vehicle(s)in front
Answer：A
15、As shown in the flash, when overtaking a vehicle in front, the driver should make the horizontal distance as large as possible and may cross the solid line if necessary.
A、Right
B、Wrong
Answer：B
16、When there is a braking failure on a downhill road the driver should change the gear to one position or two positions lower, and control the speed by taking advantage of the braking role of the engine.
A、Right
B、Wrong
Answer：A
17、When encountering this situation on a mountainous road, motor vehicle drivers should overtake the vehicle in front by speeding up.
A、Right
B、Wrong
Answer：B
18、Under such circumstances, what should motor vehicle drivers do?
A、Guard against the sideslip of motor vehicles
B、Guard against the crossing of pedestrians
C、Speed up and pass through as quickly as possible
D、Continuously sound the horn
Answer：B
19、As shown in the flash, the actions of the driver are correct.
A、Right
B、Wrong
Answer：B
20、Motor vehicles are prohibited from turning left in this situation.
A、Right
B、Wrong
Answer：A