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 sign on the right indicates an emergency shield 100 meters ahead.
A、Right
B、Wrong
Answer：A
3、The sign on the right side warns of an emergency lane 500 meters ahead.
A、Right
B、Wrong
Answer：A
4、What should the driver do on this kind of curving mountain road?
A、Borrow the opposite lane
B、Slow down and drive on the right
C、Stick to the central line of the road
D、Drive close to the right side
Answer：B
5、When a front tire bursts, after controlling the driving direction, what should be done by the driver in order to slow down and stop?
A、Immediately change to a high gear
B、Immediately change to a low gear
C、Immediately change to the neutral gear
D、Apply emergency braking
Answer：B
6、When driving on this dangerous mountainside road, motor vehicles should drive along the right side of the road.
A、Right
B、Wrong
Answer：A
7、When the fuel of a motor vehicle catches fire, which of the following things cannot be used to put out the fire?
A、Sandy soil on the roadside
B、Cotton-padded clothes
C、Overalls
D、Water
Answer：D
8、When the engine suddenly stalls on the road and cannot be restarted, the driver should apply emergency braking to force the vehicle to stop as fastas possible.
A、Right
B、Wrong
Answer：B
9、The sign on the right warns of a wildlife protection area ahead.
A、Right
B、Wrong
Answer：B
10、What should be done by the driver who intends to overtake but the motor vehicle in front neither reduces its speed nor allows the right of way?
A、Continuously sounding the horn and accelerating to overtake
B、Accelerating and continuing to overtake
C、Refraining from overtaking
D、Following the vehicle in front closely and finding a chance to overtake
Answer：C
11、The sign on the right side indicates that turning left is not permitted at the intersection ahead.
A、Right
B、Wrong
Answer：A
12、When a motor vehicle breaks down and cannot be moved away from the emergency lane or the road shoulder, the driver and all passengers should get off the vehicle and wait on the road side instead of leaving the expressway.
A、Right
B、Wrong
Answer：B
13、Once inflammable gas causes a fire disaster, it should be put out with water in good time.
A、Right
B、Wrong
Answer：B
14、The guide arrow on the road surface of this lane indicates that only left turns are permitted at the intersection ahead.
A、Right
B、Wrong
Answer：A
15、A motor vehicle should not obstruct other vehicles when it enters the driving lane from an acceleration lane.
A、Right
B、Wrong
Answer：A
16、The sign on the right warns of a village 200 meters ahead.
A、Right
B、Wrong
Answer：A
17、What should motor vehicle drivers do under the circumstance shown in the flash?
A、Drive by borrowing the opposite lane
B、Brake suddenly and pass through at a lower speed
C、Drive by the outer side of the curve
D、Reduce speed fully and drive by the right side
Answer：D
18、Which of the following method is correct to rescue an unconscious person?
A、Apply cardio-pulmonaryresuscitation immediately
B、Press the philtrum of the wounded person with force
C、Continuously slap the face of the wounded person
D、Check the breath of the wounded person before other emergency treatments
Answer：D
19、When a motor vehicle on an expressway stops in an emergency due to breakdown or an accident, what should the driver and the passengers do?
A、Stand in front of the motor vehicle
B、Wait in the motor vehicle for rescue
C、Stand behind the motor vehicle
D、Promptly move to the road shoulder on the right side or the emergency lane
Answer：D
20、The sign on the right indicates notice by sounding the horn.
A、Right
B、Wrong
Answer：B