保山科目四英语书
1、Turning on the high-beam is an effective way to improve visibility in fog weather.
A. Right
B. Wrong
Answer:B
2、When encountering such a situation, the motor vehicle driver should change to the left lane rapidly.

A. Right
B. Wrong
Answer:B
3、The braking distance will be shortened greatly when the motor vehicle is equipped with ABS brakes.
A. Right
B. Wrong
Answer:B
4、When a motor vehicle passes over an overflowing bridge, what should the driver do after stopping and observing closely?
A. Change to a high gear and pass rapidly
B. Constantly observe the changes of the flow
C. Prepare to stop at any time
D. Change to a low gear and pass through at a constant speed
Answer:D
5、Before making a U-turn at the intersection ahead, motor vehicle drivers should drive to the lane for turning left and going straight.

A. Right
B. Wrong
Answer:B
6、The sign on the left warns that there are vehicles converging into the intersection on the left.

A. Right
B. Wrong
Answer:A
7、Motor vehicles drivers may overtake by borrowing the opposite lane on this kind of road.

A. Right
B. Wrong
Answer:B
8、For a temporary stop on a foggy day, the driver should only turn on the fog lamp and the low-beam
A. Right
B. Wrong
Answer:B
9、The motor vehicle equipped with ABS may sideslip during an emergency brake.
A. Right
B. Wrong
Answer:A
10、When driving into the traffic flow on a main road from a relief road, drivers should speed up.
A. Right
B. Wrong
Answer:B
11、In order to keep safe when driving on the highway, which ones of the following statements are prohibited acts?
A. Reversing, moving against regulations, making a U-turn by crossing the central divider, or stopping in the lane.
B. Riding or rolling on the lane-dividing line or driving on the shoulder
C. Overtaking on ramps, accelerations lanes, or deceleration lanes.
D. Testing vehicles or learning to drive a vehicle
Answer:ABCD
12、How many kinds of law-breaking acts are displayed in flash 3?

A. One
B. Two
C. Three
D. Four
Answer:B
13、The sign on the left indicates the destinations of two highway directions

A. Right
B. Wrong
Answer:A
14、The sign on the right warns of a non-motor vehicle lane.

A. Right
B. Wrong
Answer:B
15、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
16、When there is a braking failure on a downhill road, the driver should immediately try to find and drive to an emergency lane; after stopping the vehicle on the emergency lane, the driver should pull up the stopping brake so as to prevent a second danger arising from the vehicle sliding.
A. Right
B. Wrong
Answer:A
17、Under such circumstances, motor vehicle drivers should stop and yield

A. Right
B. Wrong
Answer:A
18、The sign on the right warns of an unguarded railway crossing 150 meters ahead.

A. Right
B. Wrong
Answer:A
19、Under such circumstances, motor vehicles are not allowed to overtake.

A. Right
B. Wrong
Answer:A
20、What is the main impact of foggy weather on safe driving?
A. Easy to slide sideways
B. Low visibility
C. Increase the resistance
D. Widen the field of vision
Answer:B