保山科目四英语书
1、When there is a braking failure on a downhill road the driver should change the gear to one position or two positions lower, and control the speed by taking advantage of the braking role of the engine.
A. Right
B. Wrong
Answer：A
2、When approaching motor vehicles ahead running at a normal speed on the highway, drivers behind may find a chance and weave through them swiftly.
A. Right
B. Wrong
Answer：B
3、When there is no bandage for rescuing a wounded person, towels, handkerchiefs, bed sheets and stockings can all be used for dressing.
A. Right
B. Wrong
Answer：A
4、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：B
5、The sign on the right warns of children on the section ahead.
A. Right
B. Wrong
Answer：B
6、When seeing this sign, the driver should slow down promptly.
A. Right
B. Wrong
Answer：A
7、If a motor vehicle misses an exit on the expressway, the driver may reverse along the road shoulder.
A. Right
B. Wrong
Answer：B
8、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
9、What action is important on this kind of mountain road?
A. Take care of the dangerous hillside road on the left
B. Drive on the left
C. Drive along the central line of the road
D. Drive on the right side and pass slowly
Answer：D
10、Drivers may turn right at the intersection when traffic police give these hand signals.
A. Right
B. Wrong
Answer：A
11、The sign on the right indicates an ETC lane at toll station ahead.
A. Right
B. Wrong
Answer：A
12、When driving a motor vehicle equipped with power steering, the driver should firmly hold the steering wheel and drive slowly if he suddenly finds that steering is difficult.
A. Right
B. Wrong
Answer：B
13、The broken yellow line in the center of the road indicates that bypassing by crossing the line is prohibited in any condition.
A. Right
B. Wrong
Answer：B
14、As shown in this picture, the vehicles intending to turn left are not allowed to drive into left-turn waiting area directly to wait for green light.
A. Right
B. Wrong
Answer：B
15、What should the driver do upon finding that one of the right tires is leaking while driving?
A. Brake swiftly to slow down
B. Brake slowly to slow down
C. Turn to the left side swiftly
D. Apply emergency braking
Answer：B
16、The sign on the right warns that the road will narrow over the next 5 kilometers.
A. Right
B. Wrong
Answer：A
17、Before a motor vehicle enters a tunnel, the driver should adjust the speed in accordance with the indication of the traffic sign at the entrance of the tunnel.
A. Right
B. Wrong
Answer：A
18、Rescue personnel should check the breath of the unconscious person before applying any other emergency treatment.
A. Right
B. Wrong
Answer：A
19、What should the motor vehicle driver do when the motor vehicle encounters the crosswalk in this situation?
A. Slow down and pass
B. Speed up and pass
C. Sound the horn and pass
D. Stop immediately
Answer：A
20、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