保山科目四英语书
1、Dangerous chemicals possess the characteristics of explosion, inflammation, poison, erosion and radiation.
A. Right
B. Wrong
Answer:A
2、In which of the following ways can motor vehicles avoid a tire burst?
A. Lowering tire pressure
B. Checking tires regularly
C. Removing foreign matters from the tire tread grooves timely
D. Replacing the tires that have cracks or deep cuts
Answer:BCD
3、The sign on the right warns of a hump bridge right ahead.

A. Right
B. Wrong
Answer:B
4、What should the driver do upon seeing this sign?

A. Slow down, look and pass slowly
B. Sound the horn to drive them away
C. Go through from the spaces between animals
D. Drive slowly and drive them away from the motor vehicle
Answer:A
5、A driver should speed up when passing through road sections with this traffic marking.

A. Right
B. Wrong
Answer:B
6、Under such circumstances, what should be done by motor vehicle drivers in order to maintain safe driving?

A. Sound the horn or turn on the headlamps
B. Reduce speed or drive on the right side
C. Keep to the central line as best as possible
D. Drive on the left side of the road
Answer:B
7、How should lamps be used when motor vehicle drivers pass through a two-way tunnel?
A. Turn on the hazard lamps
B. Turn on the high-beam
C. Turn on the fog lamp
D. Turn on the low-beam
Answer:D
8、When a tire bursts suddenly on the road, the driver should refrain from violently depressing the brake pedal in panic. Instead, he should try his best to change to a low gear and use engine braking to reduce the speed of the vehicle.
A. Right
B. Wrong
Answer:A
9、When driving on an expressway which of the following statements is correct?
A. Drivers may stop to pick up or drop off passengers in the emergency lane
B. Drives may load or unload cargo in the emergency lane
C. Drives may overtake other vehicles or stop in the deceleration or acceleration lane
D. Drives are prohibited from driving or stopping in the emergency lane in a non-emergency case
Answer:D
10、This sign warns to bypass from either side to avoid roadblock.

A. Right
B. Wrong
Answer:A
11、After a motor vehicle enters the ramp from an expressway, it should reduce its speed below the prescribed speed limit.
A. Right
B. Wrong
Answer:A
12、When driving on a muddy road, what should drivers do to pass at an even speed without stopping?
A. Use the handbrake
B. Press the clutch pedal
C. Press the brake pedal
D. Use the accelerator pedal
Answer:D
13、What should the driver do to ensure safe driving when the motor vehicle encounters this situation in a residential area?

A. Sound the horn to warn the pedestrians
B. Speed up and pass as quickly as possible
C. Retain a normal speed
D. Slow down and prepare to stop
Answer:D
14、When there is a braking failure on a downhill road, if there is no favorable terrain or opportunity to stop the vehicle, the driver should drop gear by one position or two positions, and control the speed by taking advantage of the braking role of the engine.
A. Right
B. Wrong
Answer:A
15、When putting out a fire disaster that gives out corrosive steam or poisonous gas, the firefighters should wear gas masks and other related protective articles and operate from the windward side.
A. Right
B. Wrong
Answer:A
16、Mr. Zhou drove a light van (with 22 passengers) on the Bingcha Highway. At the spot of 79 kilometers mark by 150 meters of the highway, the van fell into the valley on one side, killing 12 people and injuring 10. What is the main illegal act committed by Mr. Zhou?
A. Driving a motor vehicle having failed to accept inspection in time
B. Carrying passengers on a freight motor vehicle
C. Speeding
D. Fatigued driving
Answer:B
17、The sign on the right indicates the road width ahead is limited to 3 meters.

A. Right
B. Wrong
Answer:A
18、When a head-on collision with another vehicle is unavoidable, what should the driver do?
A. Change head-on collision to side collision
B. Immediately turn the steering wheel to the right side to evade
C. Immediately apply emergency braking
D. Immediately turn the steering wheel to the left side to evade
Answer:C
19、The driver should pay attention to the left side when the motor vehicle passes this intersection.

A. Right
B. Wrong
Answer:B
20、Under such circumstances, motor vehicle drivers should reduce speed by the right side swiftly and yield.

A. Right
B. Wrong
Answer:A