保山科目四英语书
1、The sign on the right side warns of a sharp right turn ahead.
A. Right
B. Wrong
Answer：A
2、When passing another vehicle on a foggy day, what should drivers do?
A. Slow down and pass slowly
B. Maintain a safety distance
C. Properly use lamps
D. Drive at a high speed
Answer：ABC
3、Which is the correct way to use a fire extinguisher?
A. Stand on the leeward side
B. Direct the fire extinguisher at the source of fire
C. Try to approach the source of fire as close as possible
D. Direct the fire extinguisher at the flames
Answer：B
4、The sign in front indicates the allocation of roads ahead.
A. Right
B. Wrong
Answer：B
5、Which one of the following measures is correct when a motor vehicle intends to overtake but the vehicle in front refuses to yield?
A. Use a long-sounding horn
B. Follow the vehicle in front while turning high-beam
C. Wait for it to yield while keeping a safe distance
D. Use high-beam and low-beam alternatively
Answer：C
6、When there is a sudden braking failure on the road, what should be done by the driver?
A. Firmly holding the steering wheel and controlling the direction
B. Immediately changing to a low gear to reduce speed
C. Using the stopping brake to reduce speed
D. Turning on the hazard lamps
Answer：ABCD
7、Gun powder, explosives and detonating powder belong to which of the following dangerous chemicals?
A. Oxidizing materials
B. Inflammable solid materials
C. Explosives
D. Self-igniting articles
Answer：C
8、It is illegal to change lanes without turning on indicators.
A. Right
B. Wrong
Answer：A
9、Motor vehicles are not permitted to change lanes in this position.
A. Right
B. Wrong
Answer：A
10、What should be given attention when setting off in this weather?
A. Turning on the high-beam
B. Turning on the front and rear fog lamps
C. Turning on the left indicator only
D. Continuously sounding the horn
Answer：B
11、When driving on a long downhill road, which is the best way to control the speed?
A. Coast in neutral gear
B. Take a low gear
C. Depress the clutch
D. Pull up the handbrake
Answer：B
12、The guide arrow on the road surface of this lane indicates that the lanes ahead will merge to the left side.
A. Right
B. Wrong
Answer：A
13、What kind of harmful effect will be brought about by continuously using the foot brake on a long downhill road?
A. Shorten the engine?ˉs service life
B. Make the driver feel tired
C. Easily cause the vehicle to overturn
D. Reduce the braking efficiency
Answer：D
14、What should the driver do to follow other motor vehicles on a mountain road?
A. Closely follow the vehicle in front
B. Increase the safety distance
C. Reduce the vertical distance between vehicles
D. Try to overtake the vehicle in front as soon as possible
Answer：B
15、After a motor vehicle falls into water, the driver won?ˉt be able to open the side doors or windows to escape until water nearly fills up the compartment.
A. Right
B. Wrong
Answer：A
16、The sign on the right indicates that no restriction for temporary parking.
A. Right
B. Wrong
Answer：B
17、What should be done when drivers evade an emergency on the highway?
A. Take braking measures to reduce speed
B. Yield by turning to the left side
C. Evade by swiftly turning the steering wheel
D. Yield by turning to the right side
Answer：A
18、What should the driver do if the back wheel slides to the right on a muddy road?
A. Continuously speed up
B. Turn right
C. Turn left
D. Apply emergency brake
Answer：B
19、When driving on this dangerous mountainside road motor vehicle drivers should drive along the left side of the road.
A. Right
B. Wrong
Answer：B
20、The white zig-zag line on the highway serves as a reference for the speed of a driver.
A. Right
B. Wrong
Answer：B