1、The sign on the right indicates that the speed limit is 50km/hour.
A、Right
B、Wrong
Answer：B
2、Drivers may go ahead when traffic polices posture is like this.
A、Right
B、Wrong
Answer：A
3、The sign on the right indicates a 2-kilometer distance from the Donglushan Service Area on the highway.
A、Right
B、Wrong
Answer：A
4、The sign on the right warns of low-lying road ahead.
A、Right
B、Wrong
Answer：A
5、The sign in front indicates the distance to highway destination.
A、Right
B、Wrong
Answer：B
6、As shown in the flash, the motor vehicle chooses a correct way to pass through the level crossing.
A、Right
B、Wrong
Answer：A
7、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
8、When driving a motor vehicle equipped with power steering, the driver should firmly hold the steering wheel and drive slowly if he/she suddenly finds that steering is difficult.
A、Right
B、Wrong
Answer：B
9、Drivers may turn right at the intersection when traffic police give these hand signals.
A、Right
B、Wrong
Answer：A
10、Which one of the following statements is the safest measure for a motor vehicle driver to take on this kind of road?
A、Accelerate to overtake the vehicle in front as soon as possible
B、Sound the horn to warn the vehicle in front to vield
C、Follow the vehicle in front and keep a certain distance
D、Overtake the vehicle in front from its righthand
Answer：C
11、When the electric equipment and gasoline of a motor vehicle catches fire, the driver may extinguish the fire with water.
A、Right
B、Wrong
Answer：B
12、The sign on the right warns of a widened left-hand road ahead.
A、Right
B、Wrong
Answer：B
13、At this moment, the driver may speed up and pass the intersection rapidly.
A、Right
B、Wrong
Answer：B
14、The sign on the right side warns of crosswind on the mountain pass ahead.
A、Right
B、Wrong
Answer：A
15、The sign on the right indicates that drivers should choose their lanes in accordance withthe directions indicated by arrows.
A、Right
B、Wrong
Answer：A
16、Motor vehicles can turn right when driving into an intersection with this traffic signal.
A、Right
B、Wrong
Answer：A
17、When encountering children in this condition, what should motor vehicle drivers do?
A、Go ahead by following the children closely
B、Speed up and overtake from the left side of the children
C、Sound the horn to alert the children
D、Reduce speed or stop to yield
Answer：D
18、The sign on the right indicates that the vehicle should yield to the oncoming traffic as approaching each other.
A、Right
B、Wrong
Answer：B
19、The cross-hatched marking indicates an area where vehicle drivers are not allowed to stop.
A、Right
B、Wrong
Answer：A
20、The leading cause of this accident is that the driver failed to make sure that it was safe to reverse before doing so.
A、Right
B、Wrong
Answer：A