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 broken yellow line in the center of the road indicates that overtaking by crossing the line is permitted in safe situations.
A、Right
B、Wrong
Answer：A
3、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
4、When parking temporarily in this situation, motor vehicle drivers are allowed to turn the steering wheel left to avoid sliding.
A、Right
B、Wrong
Answer：A
5、Sounding the horn on a foggy daY can arouse the attention of the opposite side. After hearing the horn from the opposite side, the driver should also sound their own horn to respond.
A、Right
B、Wrong
Answer：A
6、Motor vehicle drivers don't need to fasten their seatbelt
A、Right
B、Wrong
Answer：B
7、The sign on the right indicates the location of the highway emergency phone.
A、Right
B、Wrong
Answer：B
8、It is a bad habit for a driver to put his left arm on the window of the vehicle or hold the gear lever in his right hand for a long time.
A、Right
B、Wrong
Answer：A
9、The sign on the right warns of a road section ahead under construction.
A、Right
B、Wrong
Answer：A
10、The sign on the right side indicates no entry for all vehicles.
A、Right
B、Wrong
Answer：A
11、The sign in front indicates a 2-kilometer distance from the destination of the highway ahead.
A、Right
B、Wrong
Answer：A
12、At 3: 40 a.m. one day, Mr. Sun drove a large bus with 54 passengers(capacity 55 people). At the spot of 229 kilometers mark by 300 meters on Suiyue Expressway, the bus had a rear-end collision with a heavy semi-trailer driven by Mr. Li when passengers were getting off from the bus. As a result of the accident, 26 people were killed and 29 injured. According to the investigation afterwards, Mr. Li had been driving the bus since he left the place of departure at 6 p.m. the day before without any rest. What are the main illegal acts of the two drivers?
A、Mr. Sun illegally parked
B、Mr. Sun carried more passengers than permitted
C、Mr. Li exceeded speed limit
D、Mr. Li kept driving when tired
Answer：AD
13、The sign on the right indicates a 200-meter distance from the gas station ahead.
A、Right
B、Wrong
Answer：A
14、The motor vehicle equipped with ABS may sideslip during an emergency brake.
A、Right
B、Wrong
Answer：A
15、When driving in a residential area, the driver should not exceed the speed indicated by the speed limit sign.
A、Right
B、Wrong
Answer：A
16、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
17、Motor vehicles are not allowed to stop in this area for a long time.
A、Right
B、Wrong
Answer：A
18、After setting off from a roadside, motor vehicle drivers should watch both sides of the road, turn left and drive into the normal lane slowly.
A、Right
B、Wrong
Answer：A
19、When driving on a snowy day, drivers should follow the tracks on the road before them.
A、Right
B、Wrong
Answer：A
20、When a motor vehicle passes over an inundated road the driver should change to a low gear and pass at a constant speed.
A、Right
B、Wrong
Answer：A