保山科目四英语书
1、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
2、On which of the following roads may the wheels be most easily locked when braking?
A. Concrete road
B. Dirt road
C. Road covered by ice and snow
D. Sand road
Answer：C
3、The sign in front is an advance announcement of the directions led by the interchange.
A. Right
B. Wrong
Answer：A
4、Mr. Zhao (with an A2 driving license) drove a large sleeper coach on the No. 219 National Road in Yecheng County. When passing a curve at the spot of 226 kilometers mark by 215 meters on the road, the coach fell into the ravine on one side, killing16 people and injuring 26. What is the main illegal act committed by Mr. Zhao?
A. Carrying more passengers than permitted
B. Driving a motor vehicle having failed to accept inspection in time
C. Driving an unpermitted vehicle type
D. Fatigued driving
Answer：C
5、What should the driver pay attention to when the motor vehicle on the main road approaches a junction with a feeder road?
A. Slow down in advance and pay attention to other motor vehicles
B. Maintain the normal speed
C. Sound the horn and pass rapidly
D. Speed up and pass rapidly
Answer：A
6、When driving on a foggy day, the driver should turn on the fog lamp.
A. Right
B. Wrong
Answer：A
7、The sign on the right indicates left turn only at the intersection ahead.
A. Right
B. Wrong
Answer：A
8、The sign on the right warns of no passing due to collapse on the road ahead.
A. Right
B. Wrong
Answer：B
9、When parking for a long time on an upward slope due to breakdown on the road, drivers should use this method to stop up wheels.
A. Right
B. Wrong
Answer：B
10、This sign warns that the section ahead is under traffic monitoring.
A. Right
B. Wrong
Answer：A
11、Under such circumstances, the motor vehicle is allowed to overtake.
A. Right
B. Wrong
Answer：B
12、The guide arrow on the road surface of this lane indicates that drivers are only permitted to continue straight at the intersection ahead.
A. Right
B. Wrong
Answer：A
13、The sign on the right indicates that the number of the lanes ahead will increase.
A. Right
B. Wrong
Answer：B
14、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
15、When there is a braking failure on a downhill road, if there is no other alternative, the driver may rub the vehicle body against the rocks and trees on roadside to force the vehicle to slow down and stop.
A. Right
B. Wrong
Answer：A
16、When encountering children in this condition, what should motor vehicle drivers do?
A. Go ahead by following the children closely
B. Speed up and overtake from the left side of the children
C. Sound the horn to alert the children
D. Reduce speed or stop to yield
Answer：D
17、The white zig-zag line on the highway serves as a reference for the speed of a driver.
A. Right
B. Wrong
Answer：B
18、When passing an intersection, vehicle motor drivers are not allowed to overtake.
A. Right
B. Wrong
Answer：A
19、Having driven a medium passenger vehicle (carrying 27 passengers) to the southern end of Qianling Village of Sidu Town, Mr. Xu drove upslope but the vehicle slid backward and dropped from an 80-meter cliff, killing 11 people and injuring 7. Which of the following law-breaking acts did Mr. Xu commit?
A. Fatigued driving
B. Drunk driving
C. Exceeding the carrying capacity of the passenger vehicle
D. Speeding
Answer：C
20、Sounding the horn on a foggy day can arouse the attention of the opposite side. After hearing the horn from the opposite side, the driver should also sound their own horn to respond.
A. Right
B. Wrong
Answer：A