1、How many kinds of law-breaking acts are displayed in flash 3?
A、One
B、Two
C、Three
D、Four
Answer：B
2、What should motor vehicle drivers do when parking temporarily on a rainy day?
A、Turn on hazard lamp
B、Turn on front and back fog lamp
C、Turn on low-beam
D、Set up warning sign at the back of the vehicle
Answer：A
3、Under such circumstances, motor vehicle drivers should stop and yield
A、Right
B、Wrong
Answer：A
4、Sideslip happens most easily on which one of the following road surfaces?
A、Dry concrete road
B、Road surface at the beginning of rain
C、Damp concrete road surface
D、Road in heavy rain
Answer：B
5、The sign on the right warns of children on the section ahead.
A、Right
B、Wrong
Answer：B
6、Motor vehicle drivers are allowed to overtake on this road section.
A、Right
B、Wrong
Answer：B
7、Drivers are not allowed to cross these lane-dividing lines when overtaking in the same direction.
A、Right
B、Wrong
Answer：A
8、When a wounded person suffering burns is thirsty, he should only drink plain boiled water.
A、Right
B、Wrong
Answer：B
9、When steering failure happens to a fast moving motor vehicle, what should the driver do?
A、Apply emergency braking
B、mmediately change to a low gear
C、Reasonably use the driving brake and the stopping brake and refrain from applying emergency braking
D、Turn on the hazard lamps
Answer：BCD
10、Before driving, it is necessary to check whether the cooling liquid, engine oil and fuel oil, are leaking.
A、Right
B、Wrong
Answer：A
11、The sign on the right warns of a one-way tunnel ahead.
A、Right
B、Wrong
Answer：B
12、Under this circumstance, motor vehicle drivers should not reduce speed.
A、Right
B、Wrong
Answer：B
13、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
14、When rescuing a wounded person who has been poisoned by toxic gas, the first measure is to send him/her to a place with fresh air so that he/she will not continue to be poisoned.
A、Right
B、Wrong
Answer：A
15、When the tire pressure is too low, what can happen when driving at a high speed?
A、Tire pressure will be unstable
B、Tire pressure will increase
C、Driving resistance will decrease
D、The tire will burst
Answer：D
16、How to ensure motor vehicles have sufficient power when driving uphill?
A、Downshift before reducing speed
B、Downshift after reducing speed
C、Downshift when the speed is excessively low
D、Downshift to the fullest extent
Answer：A
17、Motor vehicles are not allowed to stop in this area for a long time.
A、Right
B、Wrong
Answer：A
18、When a tire suddenly bursts on the road, in which of the following ways can motor vehicle drivers keep safe?
A、Applying emergency braking and pulling over
B、Firmly holding the steering wheel and keeping the vehicle going straight
C、Immediately releasing the accelerator pedal
D、Gently depressing the brake pedal
Answer：BCD
19、When approaching each other at night in this situation, drivers should watch for the danger where the two motor vehicles headlamps meet(the sight dead zone).
A、Right
B、Wrong
Answer：A
20、The sign on the right warns for livestock on the road ahead.
A、Right
B、Wrong
Answer：B