1、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
2、The sign on the right warns of three or more winding roads ahead.
A、Right
B、Wrong
Answer：B
3、The sign on the right warns that the road will narrow over the next 5 kilometers.
A、Right
B、Wrong
Answer：A
4、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
5、The sign on the right warns of a widened right-hand road ahead.
A、Right
B、Wrong
Answer：B
6、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
7、Which of the following is a bad habit when changing lanes?
A、Turning on the indicator in advance
B、Observing closely before changing a lane
C、Change lanes at will
D、Not obstructing the passing of other normally moving vehicles
Answer：C
8、The main reason for this accident is that the pedestrian crossed the street in front of the motor vehicle.
A、Right
B、Wrong
Answer：B
9、After speeding up to more than 60 km/hour, a motor vehicle driver may drive onto the driving lane directly.
A、Right
B、Wrong
Answer：B
10、Drivers may go straight and pass through when traffic police give these hand signals
A、Right
B、Wrong
Answer：B
11、The diamond-shaped broken line warns that drivers should drive at a lower speed on the road sections ahead.
A、Right
B、Wrong
Answer：A
12、The road marker indicates that vehicles are only allowed to turn right at the intersection ahead.
A、Right
B、Wrong
Answer：B
13、The sign on the right side warns of an emergency lane 500 meters ahead.
A、Right
B、Wrong
Answer：A
14、Which of the following materials should not be used to stop bleeding?
A、Bandage
B、Sling
C、Tourniquet
D、Hemp rope
Answer：D
15、When an erosive material catches fire, it should not be put out with water cannon.
A、Right
B、Wrong
Answer：A
16、The leading cause of this accident is that the driver failed to make sure that it was safe to reverse before doing so.
A、Right
B、Wrong
Answer：A
17、What should the driver do when the motor vehicle counters this situation?
A、Sound the horn continuously to warn
B、Speed up and bypass from the front
C、Slow down when encountering any risks
D、Slow down voluntarily and yield
Answer：D
18、The sign on the right warns of an embankment road 200 meters ahead.
A、Right
B、Wrong
Answer：A
19、When encountering a school bus which stops at the right roadside and students are embarking or disembarking, and there are three motor vehicle lanes in each direction, motor vehicle drivers on the left lane behind the bus should stop and wait.
A、Right
B、Wrong
Answer：B
20、When a bus encounters an unexpected situation or an accident, the driver should do his best to minimize the loss and should never cause a secondary accident or even greater loss for the sake of avoiding danger.
A、Right
B、Wrong
Answer：A