1、After a traffic accident, what is the most effective measure to prevent secondary accidents?
A、Evacuate all passengers
B、Turn on the hazard lamps
C、Mark the original place of the injured persons
D、Properly place the danger warning sign
Answer：ABD
2、As shown in the flash, the actions of the driver are correct.
A、Right
B、Wrong
Answer：B
3、The sign on the right warns of low-lying road ahead.
A、Right
B、Wrong
Answer：A
4、This sign warns to bypass from the right side to avoid the roadblock.
A、Right
B、Wrong
Answer：B
5、Sounding the horn on a foggy daY can arouse the attention of the opposite side. After hearing the horn from the opposite side, the driver should also sound their own horn to respond.
A、Right
B、Wrong
Answer：A
6、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
7、The sign on the right warns of an uneven road ahead.
A、Right
B、Wrong
Answer：A
8、The sign on the right warns to keep a safe distance on the road ahead.
A、Right
B、Wrong
Answer：B
9、When a motor vehicle slides sideways, how should the driver adiust the direction?
A、If the front wheels skid sideways, turn the steering wheel in the direction of the skid
B、If the front wheels skid sideways, turn the steering wheel in the opposite direction of the skid
C、If the rear wheels skid sideways, turn the steering wheel in the direction of the skid
D、If the rear wheels skid sideways, turn the steering wheel in the opposite direction of the skid
Answer：BC
10、What should the driver do to follow other motor vehicles on a mountain road?
A、Closely follow the vehicle in front
B、Increase the safety distance
C、Reduce the vertical distance between vehicles
D、Try to overtake the vehicle in front as soon as possible
Answer：B
11、Motor vehicle drivers may make a U-turn in the broken line area as long as it will not affect the normal traffic flow.
A、Right
B、Wrong
Answer：A
12、When a wounded person suffering bone fracture in the thigh, shank or spine, moving the wounded person is usually prohibited.
A、Right
B、Wrong
Answer：A
13、The broken yellow line in the center of the road indicates that overtaking by crossing the line is permitted in safe situations.
A、Right
B、Wrong
Answer：A
14、The marking on the road surface indicates that the speed limit of this road section is 80 km/hour.
A、Right
B、Wrong
Answer：B
15、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
16、What should a driver do before entering a tunnel on an expressway
A、Turn on the high-beam
B、Turn on the width lamp and the tail lamp
C、Turn on the low-beam
D、Sound the horn before entering the tunnel
Answer：C
17、After entering the acceleration lane of an expressway, the driver should increase the speed to how many kilometers per hour?
A、More than 30 km/hour
B、More than 40 km/hour
C、More than 50 km/hour
D、More than 60 km/hour
Answer：D
18、When encountering this situation around a school, the driver should speed up and pass as quickly as possible.
A、Right
B、Wrong
Answer：B
19、What should be done first after getting into the vehicle?
A、Observe the surrounding traffic situation
B、No need to observe the traffic situation around
C、Open the door and get in directly
D、Take note of the weather
Answer：A
20、As shown in the flash, the motor vehicle chooses a correct way to pass through the level crossing.
A、Right
B、Wrong
Answer：A