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、A correct measure to avoid tire burst of motor vehicles is to lower the tire pressure.
A、Right
B、Wrong
Answer：B
3、Dangerous chemicals possess the characteristics of explosion, inflammation, poison, erosion and radiation.
A、Right
B、Wrong
Answer：A
4、When driving on a muddy road, what should drivers do if the wheels spin and slide?
A、Cover the ground under the wheels with gravels
B、Change to a high gear and speed out
C、Cover the ground under the driving wheels with gravels
D、Violently turn the steering wheel and suddenly leed up
Answer：C
5、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
6、What should the driver do when the motor vehicle passes the level crossing?
A、Change to neutral gear and slide over
B、Stop, look and pass
C、Speed up, look and pass rapidly
D、Slow down, look and pass slowly
Answer：B
7、What should the driver do on this kind of curving mountain road?
A、Borrow the opposite lane
B、Slow down and drive on the right
C、Stick to the central line of the road
D、Drive close to the right side
Answer：B
8、The sign in front indicates the name and number of the highway.
A、Right
B、Wrong
Answer：A
9、Which one of following ways is the safest when driving a motor vehicle on this road?
A、Driving along the central line of the road
B、Driving along the right side of the road
C、Driving at the middle of the road
D、Driving along the left side of the road
Answer：B
10、When the rear wheels of a motor vehicle skid sideways on a muddy road, the driver should turn the steering wheel in the opposite direction of the side skid.
A、Right
B、Wrong
Answer：B
11、Mr. Tong drove a large bus(capacity 55 people and carrying 54)to Taiyuan City. When he drove on a muddy road at the speed of 45 kilometers per hour, the bus skidded into a deep ditch, killing 14 people dead and badly injuring 40 What's the main illegal act committed by Mr Tong?
A、Overloaded
B、Speeding
C、Driving after drinking
D、Fatigued driving
Answer：B
12、When driving on this dangerous mountainside road motor vehicle drivers should drive along the left side of the road.
A、Right
B、Wrong
Answer：B
13、Under such circumstance at an intersection. motor vehicle drivers should be prepared to stop and yieldat any time.
A、Right
B、Wrong
Answer：A
14、The motor vehicle should speed up and pass rapidly under this situation.
A、Right
B、Wrong
Answer：B
15、Once inflammable gas causes a fire disaster, it should be put out with water in good time.
A、Right
B、Wrong
Answer：B
16、The sign on the left indicates the destinations of two highway directions
A、Right
B、Wrong
Answer：A
17、The sign on the right indicates a left-turn bypass route at the intersection ahead.
A、Right
B、Wrong
Answer：A
18、The sign on the right side warns of crosswind on the mountain pass ahead.
A、Right
B、Wrong
Answer：A
19、How should the driver use vehicle lights when the motor vehicle enters this intersection?
A、Turn on the right-turn indicator
B、Turn on the hazard lamps
C、No need to turn on any indicators
D、Turn on the left indicator
Answer：C
20、On a mountain road, what should the driver do in this situation?
A、Drive on the left and speed up to bypass
B、Stop to observe and pass slowly
C、Observe closely and pass as soon as possible
D、Sound the horn several times and pass slowly
Answer：C