商丘英语科目四
1、The drivers, loaders and supercargoes responsible for dangerous chemicals transportation should all full understand the chemical characteristics, potential risks, features of the packaging containers and emergency measures for any unexpected accidents.
A. Right
B. Wrong
Answer：A
2、Sideslip happens most easily on which one of the following road surfaces?
A. Dry concrete road
B. Road surface at the beginning of rain
C. Damp concrete road surface
D. Road in heavy rain
Answer：B
3、As shown in this picture, the vehicles intending to turn left are not allowed to drive into left-turn waiting area directly to wait for green light.
A. Right
B. Wrong
Answer：B
4、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
5、When driving on a damp and slippery road, drivers should avoid using the emergency brake to his best ability.
A. Right
B. Wrong
Answer：A
6、The sign in front indicates a 4-kilometer distance from the next exit.
A. Right
B. Wrong
Answer：A
7、When extinguishing a fire, the driver should refrain from breathing through mouth or crying loudly Otherwise, the fire and smoke will scorch the upper respiratory tract.
A. Right
B. Wrong
Answer：A
8、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
9、When encountering such pedestrians, what should motor vehicle drivers do?
A. Bypass in front of the pedestrians
B. Bypass from behind the pedestrians
C. Sound the horn to alert the pedestrians
D. Voluntarily stop and yield
Answer：D
10、The road marker indicates that vehicles are not allowed to make a U-turn at the intersection 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、If the road condition behind is good, motor vehicle drivers should reverse rapidly.
A. Right
B. Wrong
Answer：B
13、The road marker indicates that vehicles are only allowed to turn right at the intersection ahead.
A. Right
B. Wrong
Answer：B
14、Gun powder, explosives and detonating powder belong to which of the following dangerous chemicals?
A. Oxidizing materials
B. Inflammable solid materials
C. Explosives
D. Self-igniting articles
Answer：C
15、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
16、What should the driver do to ensure safe driving when the motor vehicle encounters this situation in a residential area?
A. Sound the horn to warn the pedestrians
B. Speed up and pass as quickly as possible
C. Retain a normal speed
D. Slow down and prepare to stop
Answer：D
17、The sign on the right warns of no passing on either side of the road ahead.
A. Right
B. Wrong
Answer：B
18、Crossing the broken white line on the right edge of the road is allowed.
A. Right
B. Wrong
Answer：A
19、Which of the following materials should not be used to stop bleeding?
A. Bandage
B. Sling
C. Tourniquet
D. Hemp rope
Answer：D
20、Once inflammable gas causes a fire disaster, it should be put out with water in good time.
A. Right
B. Wrong
Answer：B