保山科目四英语书
1、Motor vehicles are not allowed to reverse in a tunnel.
A. Right
B. Wrong
Answer：A
2、When encountering such pedestrians, what should motor vehicle drivers do?
A. Bypass in front of the pedestrians
B. Bypass from behind the pedestrians
C. Sound the horn to alert the pedestrians
D. Voluntarily stop and yield
Answer：D
3、When this signal is constantly flashing, how should a driver react?
A. Speed up as soon as possible
B. Pull over and wait
C. Observe the traffic situation around to make sure of safe driving
D. Refrain from passing
Answer：C
4、Drivers may cross these lane-dividing lines to change lanes in the same direction.
A. Right
B. Wrong
Answer：B
5、The sign on the right warns of a sharp winding road ahead.
A. Right
B. Wrong
Answer：B
6、The sign on the right warns for livestock on the road ahead.
A. Right
B. Wrong
Answer：B
7、When a front tire bursts, after controlling the driving direction, what should be done by the driver in order to slow down and stop?
A. Immediately change to a high gear
B. Immediately change to a low gear
C. Immediately change to the neutral gear
D. Apply emergency braking
Answer：B
8、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
9、When a motor vehicle encounters thick fog on an expressway and the visibility is poor, the driver should immediately brake and stop.
A. Right
B. Wrong
Answer：B
10、When encountering such a situation, motor vehicle drivers should take the left lane.
A. Right
B. Wrong
Answer：B
11、When encountering such a situation, the motor vehicle driver should change to the left lane rapidly.
A. Right
B. Wrong
Answer：B
12、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
13、The sign on the right warns of an unguarded railway crossing 150 meters ahead.
A. Right
B. Wrong
Answer：A
14、When braking failure happens to a fast-moving motor vehicle, what should be done by the driver to brake?
A. Continuously depressing the brake pedal
B. Immediately changing to a low gear to reduce speed and using the handbrake
C. Swiftly depressing the clutch pedal
D. Swiftly pulling up the handbrake
Answer：B
15、A motor vehicle should not pass the level crossing rapidly in this situation.
A. Right
B. Wrong
Answer：A
16、When the motor vehicle encounters a crosswalk in this situation, the driver may speed up and pass rapidly.
A. Right
B. Wrong
Answer：B
17、This sign warns to bypass from the left side to avoid the roadblock.
A. Right
B. Wrong
Answer：B
18、The sign on the right warns of a hump bridge right ahead.
A. Right
B. Wrong
Answer：B
19、Under such circumstances, motor vehicle drivers may sound the horn at the proper time and speed up to pass through.
A. Right
B. Wrong
Answer：B
20、Which of the following acts are prohibited when passing through a tunnel?
A. Overtaking
B. Stopping
C. Making a U-turn
D. Reversing
Answer：ABCD