山南科目四英语电子版
1、After a traffic accident, what is the most effective measure to prevent secondary accidents?
A. Evacuate all passengers
B. Turn on the hazard lamps
C. Mark the original place of the injured persons
D. Properly place the danger warning sign
Answer：ABD
2、Motor vehicles are permitted to move to the right lane at this intersection.
A. Right
B. Wrong
Answer：B
3、When evading an emergency, except for being calm, what principle should be held by drivers?
A. Evading people first and then objects
B. Evading objects first and then vehicles
C. Evading vehicles first and then people
D. Evading objects first and then people
Answer：A
4、How to ensure safe driving at night?
A. Drive at speed limit
B. Cut speed and drive carefully
C. Maintain the current speed
D. Drive above the speed limit
Answer：B
5、When there is a braking failure, the driver should first control the direction and then try to control the speed.
A. Right
B. Wrong
Answer：A
6、Motor vehicle drivers are allowed to overtake on this road section.
A. Right
B. Wrong
Answer：B
7、When a motor vehicle encounters a group of youngsters bypassing the motor vehicles parking beside the road, the driver should slow down voluntarily and yield.
A. Right
B. Wrong
Answer：A
8、Motor vehicle drivers may make a U-turn in the broken line area as long as it will not affect the normal traffic flow.
A. Right
B. Wrong
Answer：A
9、It is illegal to change lanes without turning on indicators.
A. Right
B. Wrong
Answer：A
10、The sign on the right indicates that the speed limit of 40km/hour is lifted on the road ahead.
A. Right
B. Wrong
Answer：A
11、Motor vehicle drivers may reverse at an intersection.
A. Right
B. Wrong
Answer：B
12、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
13、Under such circumstances, what should motor vehicle drivers do?
A. Pass slowly at a lower speed
B. Speed up and pass
C. Continuously sound the horn and pass
D. Pass at a normal speed
Answer：A
14、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
15、Which one of the following statements is the safest measure for a motor vehicle driver to take on this kind of road?
A. Accelerate to overtake the vehicle in front as soon as possible
B. Sound the horn to warn the vehicle in front to yield
C. Follow the vehicle in front and keep a certain distance
D. Overtake the vehicle in front from its righthand
Answer：C
16、When rescuing a wounded person who has been poisoned by toxic gas, the first measure is to send him to a place with fresh air so that he will not continue to be poisoned.
A. Right
B. Wrong
Answer：A
17、What influence does smoking have upon driving?
A. Harmful for safe driving
B. Increase concentration
C. Help relaxation
D. No effect on driving
Answer：A
18、When there is a braking failure on a downhill road, what should not be done by the driver?
A. Steering the motor vehicle to the uphill direction
B. Stopping the vehicle by rubbing the vehicle body against the rocks or trees on roadside
C. Driving to the emergency lane and stop the vehicle there
D. Pulling up the stopping brake or change the gear to two positions lower
Answer：D
19、When a motor vehicle breaks down and cannot be moved away from the emergency lane or the road shoulder, the driver and all passengers should get off the vehicle and wait on the road side instead of leaving the expressway.
A. Right
B. Wrong
Answer：B
20、The sign on the right warns of a widened right-hand road ahead.
A. Right
B. Wrong
Answer：B