1、How many kinds of law-breaking acts are displayed in flash 1?
A、One
B、Two
C、Three
D、Four
Answer：B
2、When encountering this situation in a residential area the driver should sound the horn continuously.
A、Right
B、Wrong
Answer：B
3、The sign on the right indicates right-hand turn only.
A、Right
B、Wrong
Answer：A
4、When driving in rain or snow, the driver should turn left to stabilize the vehicle if the motor vehicle slides to the right side.
A、Right
B、Wrong
Answer：B
5、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
6、The guide arrow on the road surface of this lane indicates that only left turns are permitted at the intersection ahead.
A、Right
B、Wrong
Answer：B
7、When a wounded person suffering burns is thirsty he/she may drink a small quantity of lightly salty water.
A、Right
B、Wrong
Answer：A
8、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
9、When driving on the expressway in a heavy rain, what should the driver do to avoid "water sliding" phenomenon?
A、Install slide-proof devices
B、Speed up
C、Slow down
D、Continue to depress the brake
Answer：C
10、What should the driver do upon finding a burst rear tire?
A、Adjust by swiftly turning the steering wheel
B、Control the direction while reducing speed slowly
C、Swiftly turn the steering wheel to the opposi direction
D、Swiftly take braking measures
Answer：B
11、When following a vehicle on the road, the distance from the vehicle in front is not important. As long as the driver goes forward at the same speed as the vehicle in front does, he/she can avoid a rear-end collision.
A、Right
B、Wrong
Answer：B
12、If a motor vehicle breaks down or causes a traffic accident on the expressway and cannot run normally the vehicle may be towed by any accompanying motor vehicles.
A、Right
B、Wrong
Answer：B
13、When extinguishing a fire, the driver should refrain from breathing through mouth or crying loudly Otherwise, the fire and smoke will scorch the upper respiratory tract.
A、Right
B、Wrong
Answer：A
14、The driver may not change lanes when the motor vehicle turns right at this intersection.
A、Right
B、Wrong
Answer：B
15、When the wounded person is suffering main artery bleeding, where should the rescue personnel press by thumb to stop the bleeding?
A、The artery near the heart
B、The artery lower to the wound
C、The artery further from the heart
D、The artery in the center of the wound
Answer：A
16、A correct measure to avoid tire burst of motor vehicles is to lower the tire pressure.
A、Right
B、Wrong
Answer：B
17、When encountering an emergency on a highway, the driver should not drastically turn to evade.
A、Right
B、Wrong
Answer：A
18、Drivers may go ahead when traffic polices posture is like this.
A、Right
B、Wrong
Answer：A
19、The motor vehicle may promptly overtake the vehicle in front from the left side in this situation.
A、Right
B、Wrong
Answer：B
20、At 3: 40 a.m. one day, Mr. Sun drove a large bus with 54 passengers(capacity 55 people). At the spot of 229 kilometers mark by 300 meters on Suiyue Expressway, the bus had a rear-end collision with a heavy semi-trailer driven by Mr. Li when passengers were getting off from the bus. As a result of the accident, 26 people were killed and 29 injured. According to the investigation afterwards, Mr. Li had been driving the bus since he left the place of departure at 6 p.m. the day before without any rest. What are the main illegal acts of the two drivers?
A、Mr. Sun illegally parked
B、Mr. Sun carried more passengers than permitted
C、Mr. Li exceeded speed limit
D、Mr. Li kept driving when tired
Answer：AD