1、How many kinds of law-breaking acts are displayed in flash 3?
A、One
B、Two
C、Three
D、Four
Answer：B
2、When a motor vehicle breaks down on a mountain road, what should the driver do?
A、Park on a downhill section
B、Park on an uphill section
C、Park on a gentle section of the mountain road
D、Park on the crest of a slope
Answer：C
3、Drivers may go ahead when traffic polices posture is like this.
A、Right
B、Wrong
Answer：A
4、The sign in front indicates that vehicles except large passenger vehicles are not allowed to drive on the right lane.
A、Right
B、Wrong
Answer：B
5、The guide arrow on the road surface of this lane indicates that only right turns are permitted at the intersection ahead.
A、Right
B、Wrong
Answer：B
6、What should a driver do when the engine stalls suddenly on the road?
A、Apply emergency braking to stop the vehicle
B、Slow down and stop the vehicle
C、Change to neutral gear and coast
D、Shut down the ignition switch
Answer：B
7、Under such circumstances, what should be done by the motor vehicle driver?
A、Overtaking the vehicle in front on its left
B、Overtaking by occupying the opposite lane
C、Overtaking the vehicle in front on its right
D、Following the vehicle in front
Answer：D
8、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
9、When driving on a road covered with ice and snow, drivers tend to encounter glare caused by reflection of light rays from the road surface.
A、Right
B、Wrong
Answer：A
10、When driving on the highway in foggy, rainy, or snowy weather with a range of visibility between 100 meters and 200 meters, what should motor vehicle drivers do?
A、Turn on the fog lamp, low-beam, clearance lamp and front and rear position lamp
B、Drive at a speed of no more than 60 km/hour
C、Keep a breaking distance of more than 100 meters from the vehicle in front in the same lane
D、Leave the highway from the nearest exit as soon as possible
Answer：ABC
11、The sign on the right side warns of an abrupt downhill section ahead.
A、Right
B、Wrong
Answer：B
12、When driving on a damp and slippery road, drivers should avoid using the emergency brake to his/her best ability.
A、Right
B、Wrong
Answer：A
13、When rescuing a wounded person suffering from spinal fracture, which of the following measuresshould be taken?
A、Prevent heat loss
B、Rescue the wounded person with a soft stretcher
C、Keep the wounded part in position with a sling
D、Help the wounded person when walking
Answer：C
14、When approaching another vehicle at night, why should the driver alternate between high-and-low-beam at a distance more than 150 meters?
A、Warn each other before passing
B、Driving habit
C、Easy to observe the situation ahead from either side
D、Courtesy
Answer：C
15、When a motor vehicle passes over an inundated road drivers should change to a high gear and pass rapidly.
A、Right
B、Wrong
Answer：B
16、what should motor vehicle drivers do under the circumstances shown in the flash?
A、Reduce speed or stop to yield
B、Sound the horn to warn the pedestrians to yield
C、Pass before the pedestrians
D、Immediately change to another lane to bypass the pedestrians
Answer：A
17、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
18、During normal driving, the driver should do his/her best to run close to or on the central line so as not to allow oncoming vehicles any opportunity to occupy his own route.
A、Right
B、Wrong
Answer：B
19、The sign in front indicates a one-kilometer distance from the highway entry.
A、Right
B、Wrong
Answer：A
20、The driver should speed up to 40 kilometers per hour when he/she sees this traffic sign.
A、Right
B、Wrong
Answer：B