1、As shown in the flash, when overtaking a vehicle in front, the driver should make the horizontal distance as large as possible and may cross the solid line if necessary.
A、Right
B、Wrong
Answer：B
2、The right-front sign indicates a time-regulated pedestrian area.
A、Right
B、Wrong
Answer：A
3、Drivers may go ahead when traffic polices posture is like this.
A、Right
B、Wrong
Answer：A
4、This sign warns to bypass from either side to avoid roadblock.
A、Right
B、Wrong
Answer：A
5、What should motor vehicle drivers do when going straight and passing through the intersection ahead?
A、Reduce speed when approaching the intersection
B、Reduce speed after entering the intersection
C、May pass through the intersection without speed reduction
D、Accelerate in advance to pass through the intersection
Answer：A
6、The sign on the right indicates the location of the highway emergency phone.
A、Right
B、Wrong
Answer：B
7、The sign on the right indicates right-hand turn only.
A、Right
B、Wrong
Answer：A
8、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
9、The sign on the right warns of traffic signals ahead.
A、Right
B、Wrong
Answer：A
10、The sign on the right indicates a 200-meter distance from the gas station ahead.
A、Right
B、Wrong
Answer：A
11、Mr. Qi drove a large bus with 28 passengers(capacit 55 people). When arriving at an intersection without any traffic signals from south to north at a speed of 50 kilometers per hour, the bus had a side collision with Mr. Li's heavy semi-trailer tractor (capacity 40 tons and carrying 55.2 tons) running from east to west. As a result of this accident, 12 people were killed and 17 injured. What are the main illegal acts in this case?
A、The bus carried more passengers than capacity
B、The bus exceeded the speed limit
C、The tractor carried more cargo than capacity
D、The driver of the tractor was inexperienced
Answer：BC
12、How many kinds of law-breaking acts are displayed in flash 4?
A、One
B、Two
C、Three
D、Four
Answer：C
13、Matches, sulfur and red phosphorus belong to which of the following dangerous chemicals?
A、Explosives
B、Oxidizing materials
C、Self-igniting articles
D、Inflammable solid materials
Answer：D
14、Which of the following is an inflammable solid material?
A、Matches
B、Gun powder
C、Calcium carbide
D、Explosives
Answer：A
15、The slanted filled-in yellow marking in the middle of the road warns that there is a stationary obstacle ahead.
A、Right
B、Wrong
Answer：A
16、The sign on the right warns of a danger from rockfall on the left side.
A、Right
B、Wrong
Answer：A
17、Drivers may go straight and pass through when traffic police give these hand signals
A、Right
B、Wrong
Answer：B
18、On a mountain road, what should the driver do in this situation?
A、Drive on the left and speed up to bypass
B、Stop to observe and pass slowly
C、Observe closely and pass as soon as possible
D、Sound the horn several times and pass slowly
Answer：C
19、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
20、Which one of the following is the safest way to pass the oncoming vehicle on this road?
A、Driving along the central line
B、Driving with headlamp on
C、Yielding by the right side of the road
D、Yielding by the left side of the oncoming vehicle
Answer：C