1、Which of the following is a basic requirement for rescuing the injured at the scene of a traffic accident?
A、Treat wounds first and safe life later
B、Save life first and treat wounds later
C、Help lightly wounded persons first
D、Help seriously wounded persons later
Answer：B
2、The white solid line on the right side of the road indicates the boundary of a driving lane and crosswalk.
A、Right
B、Wrong
Answer：B
3、The guide arrow on the road surface of this lane indicates that U-turns and left turns are permitted at the intersection ahead.
A、Right
B、Wrong
Answer：A
4、What should the driver do when the motor vehicle encounters this situation?
A、Overtake immediatel
B、Sound the horn continuously to warn
C、Maintain safety distance and overtake
D、Sound horn and speed up to overtake
Answer：C
5、The sign on the left warns that there are vehicles converging into the intersection on the left.
A、Right
B、Wrong
Answer：A
6、When encountering a road like this, motor vehicle drivers should downshift in advance and- control speed by braking the engine.
A、Right
B、Wrong
Answer：A
7、When a motor vehicle moves through water, drivers should intermittently and gently depress the brake pedal in order to restore braking efficiency.
A、Right
B、Wrong
Answer：A
8、Once inflammable gas causes a fire disaster, it should be put out with water in good time.
A、Right
B、Wrong
Answer：B
9、Under such circumstances, motor vehicle drivers should stop and yield
A、Right
B、Wrong
Answer：A
10、What should drivers keep in mind when driving on amountainous road?
A、Keep a safe distance
B、Avoid occupancy of another lane when making a turn
C、Downshift in advance when ascending an abrupt slope
D、Taking full advantage of engine braking when descending a long slope
Answer：ABCD
11、When driving on an expressway, drivers should not frequently change lanes.
A、Right
B、Wrong
Answer：A
12、The sign on the right warns of a ferry crossing 100 meters after turning right at the intersection ahead.
A、Right
B、Wrong
Answer：A
13、A motor vehicle should slow down and stop at this level crossing.
A、Right
B、Wrong
Answer：A
14、In rain, the most effective way to avoid the danger arising from "water slide" is to drive at high speed
A、Right
B、Wrong
Answer：B
15、When driving a motor vehicle equipped with power steering, the driver should firmly hold the steering wheel and drive slowly if he/she suddenly finds that steering is difficult.
A、Right
B、Wrong
Answer：B
16、When steering failure happens suddenly, if the road condition permits straight movement, drivers should not apply emergency braking.
A、Right
B、Wrong
Answer：A
17、The sign on the right indicates that overtaking is allowed on the section ahead.
A、Right
B、Wrong
Answer：B
18、The braking distance will be shortened greatly when the motor vehicle is equipped with ABS brakes.
A、Right
B、Wrong
Answer：B
19、The sign on the right indicates that no restriction for temporary parking.
A、Right
B、Wrong
Answer：B
20、The sign on the right warns of a winding road to the left ahead.
A、Right
B、Wrong
Answer：B