1、When a gas tanker is leaking heavily, which of the following measures is wrong?
A、Cut off the power
B、Wear gas mask and protect gloves
C、Turn off the valve to stop leaking
D、Evacuate people to the leeward side
Answer：D
2、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
3、The driver should drive on the left in this kind of tunnel.
A、Right
B、Wrong
Answer：B
4、What should the motor vehicle driver do when the motor vehicle encounters the crosswalk in thissituation?
A、Slow down and pass
B、Speed up and pass
C、Sound the horn and pass
D、Stop immediately
Answer：A
5、The sign on the right warns of a guarded crossing 150 meters ahead.
A、Right
B、Wrong
Answer：B
6、Mr. Tang drove a large bus with 74 passengers (capacity 30 people). When descending a long curving slope at a speed of 38 kilometers per hour, the bus overturned to a brook beside the road. As a result of the accident, 17 people were killed and 57 people injured. What's the main illegal act committed by Mr. Tang?
A、Driving after drinking
B、Carrying more passengers than permitted
C、Fatigued driving
D、Speeding
Answer：BD
7、When parking temporarily in this situation, motor vehicle drivers are allowed to turn the steering wheel right to avoid sliding.
A、Right
B、Wrong
Answer：A
8、The guide arrow on the road surface of this lane indicates that the lanes ahead will merge to the left side.
A、Right
B、Wrong
Answer：A
9、When encountering an emergency on a highway, the driver should not drastically turn to evade.
A、Right
B、Wrong
Answer：A
10、The sign on the right warns of no passing due to collapse on the road ahead.
A、Right
B、Wrong
Answer：B
11、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
12、Before a motor vehicle enters a tunnel, the driver should adjust the speed in accordance with the indication of the traffic sign at the entrance of the tunnel.
A、Right
B、Wrong
Answer：A
13、The driver should speed up to 40 kilometers per hour when he/she sees this traffic sign.
A、Right
B、Wrong
Answer：B
14、After setting off from the roadside, motor vehicle drivers should speed up as soon as possible and make a sharp left-turn in order to drive into the normal lane.
A、Right
B、Wrong
Answer：B
15、When following a vehicle on the road, the distance from the vehicle in front is not important. As long as the driver goes forward at the same speed as the vehicle in front does, he/she can avoid a rear-end collision.
A、Right
B、Wrong
Answer：B
16、Motor vehicles are not permitted to change lanes in this position.
A、Right
B、Wrong
Answer：A
17、After a traffic accident, what is the most effective measure to prevent secondary accidents?
A、Evacuate all passengers
B、Turn on the hazard lamps
C、Mark the original place of the injured persons
D、Properly place the danger warning sign
Answer：ABD
18、When braking, side skid or tail swing may occur if the rear wheels are blocked.
A、Right
B、Wrong
Answer：A
19、How to reduce speed or stop when driving on a road covered with snow and ice?
A、Take full advantage of driving brake
B、Take full advantage of the control power from engine
C、Take full advantage of parking brake
D、Take full advantage of speed retarder
Answer：B
20、After a motor vehicle falls into water, the driver won't be able to open the side doors or windows to escape until water nearly fills up the compartment.
A、Right
B、Wrong
Answer：A
21、When such circumstances happen suddenly, drivers should reduce speed in a timely fashion or stop to yield.
A、Right
B、Wrong
Answer：A
22、The sign on the right indicates that no long-sounding horn.
A、Right
B、Wrong
Answer：B
23、When encountering this situation at the gate of a school, the driver should prepare to stop.
A、Right
B、Wrong
Answer：A
24、When approaching a sharp curve, motor vehicle drivers should reduce speed only after entering the curve.
A、Right
B、Wrong
Answer：B
25、What should the driver do when he/she encounters an oncoming ambulance in the same lane?
A、Keep to the side and reduce speed or stop to yield
B、Drive ahead by occupying another lane
C、Yield by speeding up and changing lanes
D、Drive ahead in the original lane
Answer：A