1、Motor vehicles are prohibited from turning left in this situation.
A、Right
B、Wrong
Answer：A
2、The white zig-zag line on the highway serves as a reference for the speed of a driver.
A、Right
B、Wrong
Answer：B
3、The road marking on the right lane indicates that drivers may temporarily borrow the special lane for buses.
A、Right
B、Wrong
Answer：B
4、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
5、This sign indicates the traffic broadcast and radio television channel of highway.
A、Right
B、Wrong
Answer：B
6、The sign on the right warns of a guarded railway intersection ahead.
A、Right
B、Wrong
Answer：B
7、Motor vehicles are not permitted to change lanes in this position.
A、Right
B、Wrong
Answer：A
8、After a motor vehicle falls into water, the driver won't be able to open the side doors or windows to escape until water nearly fills up the compartment.
A、Right
B、Wrong
Answer：A
9、Under such circumstances, the driver should stop the vehicle and yield to pedestrians.
A、Right
B、Wrong
Answer：A
10、When a motor vehicle skids sideways on a muddy road, the driver should turn the steering wheel in the direction of the rear wheel skidding to properly adjust the direction.
A、Right
B、Wrong
Answer：A
11、When encountering a school bus which stops at the right roadside and students are embarking or disembarking, and there are two motor vehicle lanes in each direction, motor vehicle drivers on the left lane behind the bus should stop and wait.
A、Right
B、Wrong
Answer：A
12、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
13、This sign warns of an intersection of railways and highways ahead.
A、Right
B、Wrong
Answer：A
14、The sign on the right is an advance announcement of the highway destination.
A、Right
B、Wrong
Answer：B
15、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
16、The slanted filled-in yellow marking in the middle of the road warns that there is a stationary obstacle ahead.
A、Right
B、Wrong
Answer：A
17、When a motor vehicle accidentally hits a guardrail of a highway, the driver should stabilize and adjust the steering wheel properly, and refrain from turning the steering wheel drastically.
A、Right
B、Wrong
Answer：A
18、The sign on the right side indicates no entry for all vehicles.
A、Right
B、Wrong
Answer：A
19、Motor vehicles should stop and wait when encountering two red lights flashing alternately at evel crossings.
A、Right
B、Wrong
Answer：A
20、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