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 a section for ascertaining the distance between the vehicles 200 meters ahead.
A、Right
B、Wrong
Answer：A
3、The sign on the right warns of a dangerous mountainside road ahead.
A、Right
B、Wrong
Answer：A
4、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
5、The driver should take emergency evasion measures when the motor vehicle suddenly self-ignites. Which ones of the following methods are correct?
A、Spray clean water to extinguish the fire
B、Report to the police
C、Use the spare fire extinguisher in the vehicle to put out the fire
D、Set up a warning sign in the oncoming direction
Answer：BCD
6、The sign on the right indicates that the speed limit of 40km/hour is lifted on the road ahead.
A、Right
B、Wrong
Answer：A
7、What needs attention when a motor vehicle drives on a road covered with ice and snow?
A、Braking length is extended
B、Anti-skating resistance will be greater
C、The adhesive force of the road will be greater
D、The braking length will be shorter
Answer：A
8、At this moment, the driver may speed up and pass the intersection rapidly.
A、Right
B、Wrong
Answer：B
9、Upon encountering this traffic signal, how should a driver react?
A、Observe the traffic situation and pass at a reduced speed
B、Pass at an increased speed without changing gears
C、Pass before the train comes
D、Crossing the stop line is prohibited
Answer：D
10、What kind of harmful effect will be brought about by continuously using the foot brake on a long downhill road?
A、Shorten the engine's service life
B、Make the driver feel tired
C、Easily cause the vehicle to overturn
D、Reduce the braking efficiency
Answer：D
11、What should the driver do when the motor vehicle encounters this situation in front of a school?
A、Bypass before the queue
B、Slow down and pass slowl
C、Stop promptly and yield
D、Go through in the spaces between the queues
Answer：C
12、When encountering such pedestrians, motor vehicle drivers may continuously sound the horn to alert them to yield.
A、Right
B、Wrong
Answer：B
13、Turning on the high-beam is an effective way to improve visibility in fog weather.
A、Right
B、Wrong
Answer：B
14、Motor vehicle drivers don't need to use any lamp at night when passing through a road section where the street light condition is good.
A、Right
B、Wrong
Answer：B
15、What does this sign on the fly-over junction indicate?
A、Turn right
B、Drive straight or turn left
C、Drive straight or turn right
D、Take a U-turn under bridge
Answer：C
16、Driving and smoking has no negative effect on safe driving
A、Right
B、Wrong
Answer：B
17、When finding a tire burst on the road, the driver should gently depress the brake pedal, reduce speed and stop the vehicle slowly.
A、Right
B、Wrong
Answer：A
18、The marking on the road surface indicates that the speed limit of this road section is 50 km/hour.
A、Right
B、Wrong
Answer：A
19、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
20、The sign on the right warns of no passing on either side of the road ahead.
A、Right
B、Wrong
Answer：B
21、The sign on the left indicates no U-turn at the intersection ahead.
A、Right
B、Wrong
Answer：A
22、The sign on the right side indicates that turning left is not permitted at the intersection ahead.
A、Right
B、Wrong
Answer：A
23、The sign on the right indicates to stop and yield at the intersection ahead.
A、Right
B、Wrong
Answer：A
24、What matters need attention when driving on a rainy day?
A、Avoid using the emergency brake or making sharp turns
B、Keep a safe enough distance
C、Observe the traffic situation of non-motor vehicles and surrounding pedestrians
D、Drive at a safe speed
Answer：ABCD
25、When driving in a heavy rain, drivers should contro their speed to prevent their vehicles from sliding.
A、Right
B、Wrong
Answer：A