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、When the tire pressure is too low, what will happen if the tire changes its shape in waves and increases in temperature due to fast movement?
A、Unstable tire pressure
B、Even lower tire pressure
C、Driving resistance increases
D、Tire burst
Answer：D
3、This sign indicates the traffic broadcast and radio television channel of highway.
A、Right
B、Wrong
Answer：B
4、When rescuing a wounded person in coma causing by excessive blood loss, it is necessary to take measures to prevent heat loss.
A、Right
B、Wrong
Answer：A
5、Drivers neednt yield to pedestrians who display such behavior.
A、Right
B、Wrong
Answer：B
6、The sign on the right side indicates no entry for all vehicles.
A、Right
B、Wrong
Answer：A
7、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
8、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
9、In rain, the most effective way to avoid the danger arising from "water slide" is to drive at high speed
A、Right
B、Wrong
Answer：B
10、Mr Hao drove a heavy dump truck with 84.84 tons of cargo (truck allowing for 15.58 tons). When he drove on the No 262 provincial highway in Luanxian County, at the spot of 34 kilometers mark by 623 meters, his truck overturned onto the sideway after a rear-end collision with another truck in front carrying 45.85 tons of cargo(a truck allowing for 1. 71 tons). As a result of this accident, 19 people were killed and 17 injured. What's the common illegal act of the two drivers?
A、Speeding
B、Overloaded
C、Fatigued driving
D、Driving after drinking
Answer：B
11、The sign in front gives information about the direction of road exits.
A、Right
B、Wrong
Answer：A
12、When a fast-moving vehicle encounters an emergency the driver should turn to evade first and then brake to slow down so as to mitigate the damage.
A、Right
B、Wrong
Answer：B
13、The sign on the right warns of a guarded crossing 150 meters ahead.
A、Right
B、Wrong
Answer：B
14、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
15、When a motor vehicle passes over an overflowing bridge, what should the driver do after stopping and observing closely?
A、Change to a high gear and pass rapidly
B、Constantly observe the changes of the flow
C、Prepare to stop at any time
D、Change to a low gear and pass through at a constant speed
Answer：D
16、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
17、Under such circumstances at a congested intersection, what should motor vehicle drivers do?
A、Force the vehicle to go back to its original lane
B、Closely follow the vehicle in front and refuse to yield
C、Politely yield and pass through
D、Sound the horn and turn on the head lamps
Answer：C
18、The sign on the right warns of a road section ahead under construction.
A、Right
B、Wrong
Answer：A
19、The sign on the right warns of a sharp winding road ahead.
A、Right
B、Wrong
Answer：B
20、If a motor vehicle encounters a strong side wind when it leaves the opening of an expressway tunnel, what will happen?
A、A feeling of deceleration
B、A feeling of acceleration
C、A feeling of pressure
D、Deviation in direction
Answer：D