1、What should a driver do before entering a tunnel on an expressway
A、Turn on the high-beam
B、Turn on the width lamp and the tail lamp
C、Turn on the low-beam
D、Sound the horn before entering the tunnel
Answer：C
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、Which of the following is a basic requirement for rescuing the injured at the scene of a traffic accident?
A、Treat wounds first and safe life later
B、Save life first and treat wounds later
C、Help lightly wounded persons first
D、Help seriously wounded persons later
Answer：B
4、The sign in front indicates the distance to highway destination.
A、Right
B、Wrong
Answer：B
5、The sign indicates no overtaking on the section ahead.
A、Right
B、Wrong
Answer：B
6、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
7、What should be done first after getting into the vehicle?
A、Observe the surrounding traffic situation
B、No need to observe the traffic situation around
C、Open the door and get in directly
D、Take note of the weather
Answer：A
8、When a wounded person suffering burns is thirsty, he should only drink plain boiled water.
A、Right
B、Wrong
Answer：B
9、When driving on a long downhill road, which is the best way to control the speed?
A、Coast in neutral gear
B、Take a low gear
C、Depress the clutch
D、Pull up the handbrake
Answer：B
10、When a motor vehicle slides sideways on a road covered by ice and snow, the driver should violently turn the steering wheel to adjust the direction.
A、Right
B、Wrong
Answer：B
11、When there is bleeding at the bone fracture of a wounded person, the first thing to do is to fix the wounded part in position, then stop the bleeding and dress the wound.
A、Right
B、Wrong
Answer：B
12、Under such circumstances, the motor vehicle is allowed to overtake.
A、Right
B、Wrong
Answer：B
13、When going straight or turning right, drivers are not allowed to drive on or across the guide lines on both sides of the intersection.
A、Right
B、Wrong
Answer：A
14、When there is a braking failure on a downhill road, if there is no favorable terrain or opportunity to stop the vehicle, the driver should drop gear by one position or two positions, and control the speed by taking advantage of the braking role of the engine.
A、Right
B、Wrong
Answer：A
15、Drivers may temporarily cross these central broken and solid yellow lines when overtaking.
A、Right
B、Wrong
Answer：A
16、The sign on the right side warns of an emergency lane 500 meters ahead.
A、Right
B、Wrong
Answer：A
17、The sign on the right warns of three or more winding roads ahead.
A、Right
B、Wrong
Answer：B
18、The area in the yellow rectangle markings on the right side of the road indicates that temporary stopping is permitted here.
A、Right
B、Wrong
Answer：B
19、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
20、When a motor vehicle accidentally hits a guardrail of a highway, the driver should stabilize and adjust the steering wheel properly, and refrain from turning the steering wheel drastically.
A、Right
B、Wrong
Answer：A