1、If a driver finds there is no vehicle behind, he/she may change lanes without turning on the indicator.
A、Right
B、Wrong
Answer：B
2、How many kinds of law-breaking acts are displayed in flash 8?
A、One
B、Two
C、Three
D、Four
Answer：B
3、Under such circumstances, motor vehicle drivers should bypass on the left quickly.
A、Right
B、Wrong
Answer：B
4、When a motor vehicle breaks down and cannot be moved away from the emergency lane or the road shoulder, the driver and all passengers should get off the vehicle and wait on the road side instead of leaving the expressway.
A、Right
B、Wrong
Answer：B
5、The sign on the right warns of a hump bridge right ahead.
A、Right
B、Wrong
Answer：B
6、The sign above the tunnel indicates a height limit of 3.5 meters on the road ahead.
A、Right
B、Wrong
Answer：A
7、The sign on the right warns of a winding road to the left ahead.
A、Right
B、Wrong
Answer：B
8、After a motor vehicle falls into water, the driver should immediately close the windows to prevent water from flowing into the compartment and to keep the air from flowing out. At the same time, he/she should make calls to tell the rescue personnel the place of the accident and wait for their arrival.
A、Right
B、Wrong
Answer：B
9、The sign on the right indicates a one-kilometer distance from the ETC toll station.
A、Right
B、Wrong
Answer：A
10、When a motor vehicle on an expressway stops in an emergency due to breakdown or an accident, what should the driver and the passengers do?
A、Stand in front of the motor vehicle
B、Wait in the motor vehicle for rescue
C、Stand behind the motor vehicle
D、Promptly move to the road shoulder on the right side or the emergency lane
Answer：D
11、When a motor vehicle encounters a group of youngsters bypassing the motor vehicles parking beside the road, the driver should slow down voluntarily and yield.
A、Right
B、Wrong
Answer：A
12、Mr Li drove a large bus with 21 passengers( capacity 35 people). He found the braking system was abnormal on the way but failed to repair it. When running on the Shuangdao Haiwan Bridge at a speed of 50 kilometers per hour(speed limit 40 km/h), the bus fell into the sea due to a braking system failure, killing 13 people and injuring 8. What's the main illegal act committed by Mr Li?
A、Speeding
B、Fatigued drivin
C、Carrying more passengers than permitted
D、Driving a motor vehicle with potential safety hazard
Answer：AD
13、How will the adhesive force of road change when speed increases on a damp and slippery road?
A、Increase sharply
B、increase gradually
C、decrease sharply
D、No change
Answer：C
14、The sign on the right indicates a T-shaped intersection head.
A、Right
B、Wrong
Answer：B
15、The sign on the right warns of a widened left-hand road ahead.
A、Right
B、Wrong
Answer：B
16、When there is bleeding at the bone fracture of a wounded person, the first thing to do is to fix the wounded part in position, then stop the bleeding and dress the wound.
A、Right
B、Wrong
Answer：B
17、When driving in a strong wind, drivers should abruptly turn the steering wheel to return to the original direction if they feel the vehicle deviates horizontally due to a strong gale.
A、Right
B、Wrong
Answer：B
18、Under such circumstances, motor vehicles are allowed to cross the central solid line to overtake.
A、Right
B、Wrong
Answer：B
19、As shown in the flash, the actions of the driver are correct.
A、Right
B、Wrong
Answer：B
20、The sign in front indicates the allocation of roads ahead.
A、Right
B、Wrong
Answer：B