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 driving on this dangerous mountainside road motor vehicle drivers should drive along the left side of the road.
A. Right
B. Wrong
Answer：B
3、How many kinds of law-breaking acts are displayed in flash 5?
A. One
B. Two
C. Three
D. Four
Answer：C
4、If a motor vehicle has an accident on a foggy day and stops on an expressway, which of the following acts is dangerous?
A. Leaving the motor vehicle as soon as possible
B. Standing outside the guardrail as much as possible
C. Turning on the hazard lamp and fog lamp
D. Placing a warning sign behind the vehicle in the oncoming direction
Answer：D
5、This sign indicates the traffic broadcast and radio television channel of highway.
A. Right
B. Wrong
Answer：B
6、This sign warns of an intersection of railways and highways ahead.
A. Right
B. Wrong
Answer：A
7、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
8、What should the driver do upon finding that one of the left tires is leaking while driving?
A. Brake slowly to slow down
B. Brake swiftly to slow down
C. Turn to the right side swiftly
D. Apply emergency braking
Answer：A
9、The cross-hatched marking indicates an area where vehicle drivers are allowed to stop and wait.
A. Right
B. Wrong
Answer：B
10、When a bus encounters an unexpected situation or an accident, the driver should do his best to minimize the loss and should never cause a secondary accident or even greater loss for the sake of avoiding danger.
A. Right
B. Wrong
Answer：A
11、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
12、When a motor vehicle encounters this situation at a crosswalk, the driver must slow down and pass slowly.
A. Right
B. Wrong
Answer：B
13、If a driver finds there is no vehicle behind, he may change lanes without turning on the indicator.
A. Right
B. Wrong
Answer：B
14、Under such circumstances, what should motor vehicle drivers do?
A. Continuously sound the horn
B. Pass quickly
C. Pass at a lower speed
D. Bypass from either side
Answer：C
15、When a motor vehicle breaks down and cannot be moved away from the expressway, the driver and all passengers should stay in the vehicle and wait for the rescue personnel.
A. Right
B. Wrong
Answer：B
16、What should the driver do when he encounters an oncoming ambulance in the same lane?
A. Keep to the side and reduce speed or stop to yield
B. Drive ahead by occupying another lane
C. Yield by speeding up and changing lanes
D. Drive ahead in the original lane
Answer：A
17、When encountering such a situation, the motor vehicle driver should change to the left lane rapidly.
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、When the vehicle engine catches fire, what should the driver do first?
A. Turn off the engine as soon as possible
B. Extinguish the fire with water
C. Open the hood to extinguish the fire
D. Extinguish the fire from the leeward direction
Answer：A
20、Having driven his truck at 90km/hour on an urban road without road lamps, Mr. Zhou is passing a narrow road using the high-beam and cutting off the way of an oncoming passenger car that runs into the right guardrail as a consequence. Which of the following law-breaking acts did Mr. Zhou commit?
A. Speeding
B. Approaching a vehicle not in accordance with related regulations and rules
C. Fatigued driving
D. Using lamps not in accordance with related regulations and rules
Answer：ABD