保山科目四英语书
1、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
2、The sign on the right warns of an unguarded railway crossing 150 meters ahead.
A. Right
B. Wrong
Answer：A
3、The red car is allowed to drive on this lane.
A. Right
B. Wrong
Answer：B
4、What should motor vehicle drivers do under such circumstances at night?
A. Turn off the headlamp when approaching
B. Use low-beam
C. Use high-beam
D. Turn off all lamps in advance
Answer：B
5、The driver should turn on the left-turn indicator after entering the acceleration lane on an expressway.
A. Right
B. Wrong
Answer：B
6、The sign on the right warns that there are vehicles converging into the intersection on the right.
A. Right
B. Wrong
Answer：A
7、How will the adhesive force of road change when speed increases on a damp and slippery road?
A. Increase sharply
B. Increase gradually
C. decrease sharply
D. No change
Answer：C
8、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
9、As shown in this flash, what should the motor vehicle driver do when encounters this situation?
A. Use the mergency brake
B. Turn sharply and pass rapidly
C. Slide over rapidly without encountering collision
D. Stop smoothly
Answer：D
10、When driving on the highway in foggy, rainy, or snowy weather with a range of visibility between 100 meters and 200 meters, what should motor vehicle drivers do?
A. Turn on the fog lamp, low-beam, clearance lamp and front and rear position lamp
B. Drive at a speed of no more than 60 km/hour
C. Keep a breaking distance of more than 100 meters from the vehicle in front in the same lane
D. Leave the highway from the nearest exit as soon as possible
Answer：ABC
11、It is safest for a motor vehicle driver to overtake the vehicle in front from its righthand on this kind of road.
A. Right
B. Wrong
Answer：B
12、The sign on the right indicates to stop and yield for oncoming vehicles approaching on the road ahead.
A. Right
B. Wrong
Answer：B
13、A driver should accelerate in advance to overtake then it is likely to meet with oncoming vehicles.
A. Right
B. Wrong
Answer：B
14、When a motor vehicle enters an expressway from the ramp, which of the following lamps should be turned on?
A. The left-turn indicator
B. The right-turn indicator
C. The hazard warning lamp
D. The headlamp
Answer：A
15、The sign above the tunnel indicates a height limit of 3.5 meters on the road ahead.
A. Right
B. Wrong
Answer：A
16、When a tire bursts suddenly on the road, the driver should refrain from violently depressing the brake pedal in panic. Instead, he should try his best to change to a low gear and use engine braking to reduce the speed of the vehicle.
A. Right
B. Wrong
Answer：A
17、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
18、When driving, besides paying attention to keeping a safe distance from the vehicle in front, drivers should also be prudent when braking so as to avoid a rear-end collision caused by a vehicle behind.
A. Right
B. Wrong
Answer：A
19、When the engine suddenly stalls on the road and cannot be restarted, the driver should apply emergency braking to force the vehicle to stop as fast as possible.
A. Right
B. Wrong
Answer：B
20、As shown in this picture, the vehicles intending to turn left are allowed to drive into the left-turn waiting area directly to wait for the green light.
A. Right
B. Wrong
Answer：B