1、Under such circumstances, motor vehicles are allowed to cross the central solid line to overtake.
A、Right
B、Wrong
Answer：B
2、How many kinds of law-breaking acts are displayed in flash 3?
A、One
B、Two
C、Three
D、Four
Answer：B
3、The sign on the left warns that there are vehicles converging into the intersection on the left.
A、Right
B、Wrong
Answer：A
4、The motor vehicle may promptly overtake the vehicle in front from the left side in this situation.
A、Right
B、Wrong
Answer：B
5、The signs on each side warn of changes in road alignment ahead.
A、Right
B、Wrong
Answer：A
6、The sign in front is an advance announcement of the directions led by this intersection.
A、Right
B、Wrong
Answer：A
7、What should the driver do when a motor vehicle encounters this situation on a mountain road?
A、Stick to respective lanes and speed up to approach each other
B、Drive close to the central line of the road
C、Retain the normal speed
D、Slow down
Answer：D
8、The sign in front is an advance announcement of famous places and distances en route.
A、Right
B、Wrong
Answer：A
9、Motor vehicles should stop and yield rapidly when encountering this situation at a bus station.
A、Right
B、Wrong
Answer：A
10、At this moment, the driver may speed up and pass the intersection rapidly.
A、Right
B、Wrong
Answer：B
11、What should be taken note of by drivers in this situation?
A、he motor vehicle(s)on the left side
B、The motor vehicle(s) on the right side
C、The motor vehicle(s) behind
D、The motor vehicle(s)in front
Answer：A
12、When the motor vehicle encounters a crosswalk in this situation, the driver may speed up and pass rapidly.
A、Right
B、Wrong
Answer：B
13、During normal driving, the driver should do his/her best to run close to or on the central line so as not to allow oncoming vehicles any opportunity to occupy his own route.
A、Right
B、Wrong
Answer：B
14、Drivers may go ahead when traffic polices posture is like this.
A、Right
B、Wrong
Answer：A
15、When the electric equipment and gasoline of a motor vehicle catches fire, the driver may extinguish the fire with water.
A、Right
B、Wrong
Answer：B
16、The sign on the right warns of an unguarded railway intersection ahead.
A、Right
B、Wrong
Answer：B
17、The sign on the right indicates that sounding the horn is prohibited here.
A、Right
B、Wrong
Answer：B
18、When this signal is constantly flashing, how should a driver react?
A、Speed up as soon as possible
B、Pull over and wait
C、Observe the traffic situation around to make sure of safe driving
D、Refrain from passing
Answer：C
19、The sign on the right warns of a dangerous mountainside road ahead.
A、Right
B、Wrong
Answer：A
20、When an erosive material catches fire, it should not be put out with water cannon.
A、Right
B、Wrong
Answer：A