1、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
2、When a motor vehicle approaches the exit of a tunnel the driver should firmly hold the steering wheel to prevent any harmful effects of a strong side wind.
A、Right
B、Wrong
Answer：A
3、Motor vehicles are prohibited from turning left in this situation.
A、Right
B、Wrong
Answer：A
4、The solid yellow line on the curb indicates that temporary stopping or parking is allowed at the roadside.
A、Right
B、Wrong
Answer：B
5、When encountering this situation in a residential area, the driver should follow them closely.
A、Right
B、Wrong
Answer：B
6、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
7、The sign in front indicates the distance to highway destination.
A、Right
B、Wrong
Answer：B
8、When a motor vehicle accidentally hits the guardrail of a highway, an effective protective measure is to turn dramatically in the opposite direction.
A、Right
B、Wrong
Answer：B
9、What should motor vehicle drivers do when going straight and passing through the intersection ahead?
A、Reduce speed when approaching the intersection
B、Reduce speed after entering the intersection
C、May pass through the intersection without speed reduction
D、Accelerate in advance to pass through the intersection
Answer：A
10、Motor vehicles should stop and wait when encountering two red lights flashing alternately at evel crossings.
A、Right
B、Wrong
Answer：A
11、Under such circumstances, motor vehicles are not allowed to overtake.
A、Right
B、Wrong
Answer：A
12、When extinguishing fire, the synthetic-made garments should not be taken off in order to protect the exposed skin from burning.
A、Right
B、Wrong
Answer：B
13、What kind of harmful effect will be brought about by continuously using the foot brake on a long downhill road?
A、Shorten the engine's service life
B、Make the driver feel tired
C、Easily cause the vehicle to overturn
D、Reduce the braking efficiency
Answer：D
14、When a tire suddenly bursts on the road, what should not be done by the driver?
A、Keep calm and release the accelerator pedal slowly
B、Hold the steering wheel firmly to ensure the vehicle goes straight
C、Apply emergency braking and stop the vehicle in the shortest possible time
D、Gently depress the brake pedal after the vehicle slows down
Answer：C
15、The sign on the right warns of traffic signals ahead.
A、Right
B、Wrong
Answer：A
16、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
17、The sign on the right indicates that drivers should choose their lanes in accordance withthe directions indicated by arrows.
A、Right
B、Wrong
Answer：A
18、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
19、Motor vehicle drivers may make a U-turn in the broken line area as long as it will not affect the normal traffic flow.
A、Right
B、Wrong
Answer：A
20、Under this circumstance, motor vehicle drivers should give the right of way to oncoming vehicle.
A、Right
B、Wrong
Answer：A