1、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
2、The sign on the right warns of traffic signals ahead.
A、Right
B、Wrong
Answer：A
3、This sign warns to bypass from the left side to avoid the roadblock.
A、Right
B、Wrong
Answer：B
4、The sign in front indicates a one-kilometer distance from the highway entry.
A、Right
B、Wrong
Answer：A
5、How many kinds of law-breaking acts are displayed in flash 7?
A、One
B、Two
C、Three
D、Four
Answer：B
6、The sign in front indicates a 4-kilometer distance from the next exit.
A、Right
B、Wrong
Answer：A
7、When parking for a long time on a downward slope due to breakdown on the road, drivers should use this method to stop up wheels.
A、Right
B、Wrong
Answer：A
8、The sign on the right indicates a section for ascertaining the distance between the vehicles 200 meters ahead.
A、Right
B、Wrong
Answer：A
9、Which is the wrong measure to avoid tire burst?
A、Reduce tire pressure
B、Check tires regularly
C、Remove foreign matters from the tire tread grooves timely
D、Replace tires that have cracks or deep cuts
Answer：A
10、Motor vehicle drivers are allowed to make a U-turn at this intersection.
A、Right
B、Wrong
Answer：B
11、Motor vehicles are not permitted to change lanes in this position.
A、Right
B、Wrong
Answer：A
12、When encountering such pedestrians while driving, a longer safety distance should be kept by drivers.
A、Right
B、Wrong
Answer：A
13、The sign on the right indicates a left-turn bypass route at the intersection ahead.
A、Right
B、Wrong
Answer：A
14、When encountering this situation on a mountainous road, motor vehicle drivers should overtake the vehicle in front by speeding up.
A、Right
B、Wrong
Answer：B
15、Motor vehicles are not allowed to reverse in a tunnel.
A、Right
B、Wrong
Answer：A
16、The drivers, loaders and supercargoes responsible for dangerous chemicals transportation should all full understand the chemical characteristics, potential risks, features of the packaging containers and emergency measures for any unexpected accidents.
A、Right
B、Wrong
Answer：A
17、As shown in this picture, the intersection guide line is designed to help drivers make turns.
A、Right
B、Wrong
Answer：A
18、How many kinds of law-breaking acts are displayed in flash 8?
A、One
B、Two
C、Three
D、Four
Answer：B
19、When driving on a snowy day, drivers should follow the tracks on the road before them.
A、Right
B、Wrong
Answer：A
20、What's the emergency measure to deal with a sudden tire burst on the road?
A、Swiftly braking to slow down
B、Firmly hold the steering wheel and steadily stop the vehicle as early as possible
C、Swiftly turn the steering wheel to adjust the direction
D、Go ahead at a low speed and find a place for tire change
Answer：B