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、The sign in front is an advance announcement of famous places and distances en route.
A、Right
B、Wrong
Answer：A
3、When a motor vehicle encounters thick fog on an expressway and the visibility is poor, the driver should immediately brake and stop.
A、Right
B、Wrong
Answer：B
4、Motor vehicles should stop and yield rapidly when encountering this situation at a bus station.
A、Right
B、Wrong
Answer：A
5、Which is the correct way to use a fire extinguisher?
A、Stand on the leeward side
B、Direct the fire extinguisher at the source of fire
C、Try to approach the source of fire as close as possible
D、Direct the fire extinguisher at the flames
Answer：B
6、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
7、The slow-down-and-yield line at the intersection ahead indicates that vehicle drivers should stop and give the right of way to vehicles on the trunk road.
A、Right
B、Wrong
Answer：B
8、When parking temporarily on a snowy day, drivers should turn on the headlamp and fog lamp.
A、Right
B、Wrong
Answer：B
9、The sign on the right warns of a winding road to the left ahead.
A、Right
B、Wrong
Answer：B
10、The slanted filled-in yellow marking in the middle of the road warns that there is a stationary obstacle ahead.
A、Right
B、Wrong
Answer：A
11、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
12、When a motor vehicle stops in snow, which lamp should be turned on?
A、Front and rear fog lamps, clearance lamp and rear position lamp
B、Reverse lamp, clearance lamp and rear position lamp
C、Headlamp, clearance lamp and rear position lamp
D、Hazard lamps, clearance lamp and rear position lamp
Answer：D
13、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
14、Under such circumstances, what should be done bY motor vehicle drivers in order to yield to the pedestrians politely?
A、Set off after pedestrians pass
B、Set off and bypass in front of the pedestrians
C、Sound the horn to warn the pedestrians to yield
D、Set off and approach the pedestrians slowly
Answer：A
15、How many kinds of law-breaking acts are displayed in flash 1?
A、One
B、Two
C、Three
D、Four
Answer：B
16、The sign on the right side warns of crosswind on the mountain pass ahead.
A、Right
B、Wrong
Answer：A
17、How to run when encountering this situation at the intersection?
A、stop and wait
B、obey the traffic lights
C、run straight on the right side
D、may turn right
Answer：A
18、If a motor vehicle misses an exit on the expressway, the driver may reverse along the road shoulder.
A、Right
B、Wrong
Answer：B
19、What influence does smoking have upon driving?
A、Harmful for safe driving
B、Increase concentration
C、Help relaxation
D、No effect on driving
Answer：A
20、When a motor vehicle catches fire, the driver should te to park the vehicle in an open place far away from urban areas, buildings, trees, other motor vehicles and flammable materials.
A、Right
B、Wrong
Answer：A