1、How many kinds of law-breaking acts are displayed in flash 4?
A、One
B、Two
C、Three
D、Four
Answer：C
2、The broken yellow line in the center of the road indicates that bypassing by crossing the line is prohibited in any condition.
A、Right
B、Wrong
Answer：B
3、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
4、When encountering this situation, which of the following is the correct way to overtake other vehicles?
A、Turn on high-beam
B、Use high-beam and low-beam alternatively
C、Turn on low-beam
D、Turning on hazard lamp
Answer：B
5、When driving on an expressway in rain, the driver should slow down to avoid steering failure arising from "water slide"
A、Right
B、Wrong
Answer：A
6、Mr Li drove a large bus with 21 passengers( capacity 35 people). He found the braking system was abnormal on the way but failed to repair it. When running on the Shuangdao Haiwan Bridge at a speed of 50 kilometers per hour(speed limit 40 km/h), the bus fell into the sea due to a braking system failure, killing 13 people and injuring 8. What's the main illegal act committed by Mr Li?
A、Speeding
B、Fatigued drivin
C、Carrying more passengers than permitted
D、Driving a motor vehicle with potential safety hazard
Answer：AD
7、The driver may turn right directly at this intersection.
A、Right
B、Wrong
Answer：B
8、The sign on the right indicates a left-turn bypass route at the intersection ahead.
A、Right
B、Wrong
Answer：A
9、The sign in front gives information about the direction of road exits.
A、Right
B、Wrong
Answer：A
10、Under the circumstances shown in the flash, what should be done by the vehicle in front?
A、Reduce speed swiftly or apply emergency brake
B、Drive at a higher speed after giving a proper space
C、Reduce speed and yield by the right side of the road
D、Drive at a higher speed by the right side of the road
Answer：C
11、The sign on the right warns of a ferry crossing 100 meters after turning right at the intersection ahead.
A、Right
B、Wrong
Answer：A
12、The guide arrow on the road surface of this lane indicates that the lanes ahead will merge to the left side.
A、Right
B、Wrong
Answer：A
13、In the flash, it is correct for the driver to behave this way when there is a traffic jam caused by an accident on the expressway.?
A、Right
B、Wrong
Answer：B
14、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
15、When encountering a school bus which stops at the right roadside and students are embarking or disembarking, and there are two 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：A
16、Which of the following is a basic requirement for rescuing the injured at the scene of a traffic accident?
A、Treat wounds first and safe life later
B、Save life first and treat wounds later
C、Help lightly wounded persons first
D、Help seriously wounded persons later
Answer：B
17、What should be done when drivers evade an emergency on the highway?
A、Take braking measures to reduce speed
B、Yield by turning to the left side
C、Evade by swiftly turning the steering wheel
D、Yield by turning to the right side
Answer：A
18、When parking for a long time on an upward slope due to breakdown on the road, drivers should use this method to stop up wheels.
A、Right
B、Wrong
Answer：B
19、The sign in the red circle indicates that the left road is only for small vehicles.
A、Right
B、Wrong
Answer：B
20、After a traffic accident, what is the most effective measure to prevent secondary accidents?
A、Evacuate all passengers
B、Turn on the hazard lamps
C、Mark the original place of the injured persons
D、Properly place the danger warning sign
Answer：ABD
21、What should the driver do in this situation?
A、Speed up and overtake from the left side
B、Sound the horn continuously to warn the bicycle
C、Follow the bicycle closely
D、Slow down and yield to the bicycle
Answer：D
22、The motor vehicle should speed up and pass rapidly under this situation.
A、Right
B、Wrong
Answer：B
23、What action is important on this kind of mountain road?
A、Take care of the dangerous hillside road on the left
B、Drive on the left
C、Drive along the central line of the road
D、Drive on the right side and pass slowly
Answer：D
24、The driver should pay attention to the left side when the motor vehicle passes this intersection.
A、Right
B、Wrong
Answer：B
25、Under the circumstances shown in the flash, what should the driver do?
A、Find a chance to overtake the vehicle in front
B、Weave through motor vehicles ahead and pass
C、Reduce speed, stop, and wait in line
D、Sound the horn to urge vehicles in front
Answer：C