云南科目四英语pdf
1、The drivers, loaders and supercargoes responsible for dangerous chemicals transportation should all full understand the chemical characteristics, potential risks, features of the packaging containers and emergency measures for any unexpected accidents.
A. Right
B. Wrong
Answer：A
2、Which lamp should be turned on when motor vehicles pass through a road section at night where the street light condition is good?
A. Front and rear fog lamps
B. Low-beam
C. High-beam
D. Hazard lamp
Answer：B
3、As shown in this picture, before driving to the intersection, vehicles are not allowed to change lanes by crossing the solid white line.
A. Right
B. Wrong
Answer：A
4、When a motor vehicle encounters this situation at a crosswalk, the driver must slow down and pass slowly.
A. Right
B. Wrong
Answer：B
5、Which one of the following measures is correct when a motor vehicle intends to overtake but the vehicle in front refuses to yield?
A. Use a long-sounding horn
B. Follow the vehicle in front while turning high-beam
C. Wait for it to yield while keeping a safe distance
D. Use high-beam and low-beam alternatively
Answer：C
6、The sign on the right warns of a village 200 meters ahead.
A. Right
B. Wrong
Answer：A
7、When steering failure happens to a fast moving motor vehicle, what should the driver do?
A. Apply emergency braking
B. Immediately change to a low gear
C. Reasonably use the driving brake and the stopping brake and refrain from applying emergency braking
D. Turn on the hazard lamps
Answer：BCD
8、When a motor vehicle passes over an inundated road drivers should change to a high gear and pass rapidly.
A. Right
B. Wrong
Answer：B
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、When a motor vehicle approaches the exit of a tunnel the driver should firmly hold the steering wheel to prevent any harmful effects of a strong side wind.
A. Right
B. Wrong
Answer：A
11、The sign on the right warns drivers to yield for oncoming motor vehicles.
A. Right
B. Wrong
Answer：B
12、Which of the following measures is incorrect when a motor vehicle stops?
A. Stop at a stipulated place
B. Avoid stopping on pedestrian streets
C. Avoid obstructing the passing of other motor vehicles and pedestrians when temporarily stops on the road
D. Stop on the non-motor vehicle lane
Answer：D
13、When steering failure happens suddenly, if the road condition permits straight movement, drivers should not apply emergency braking.
A. Right
B. Wrong
Answer：A
14、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
15、The white zig-zag line on the highway serves as a reference for the speed of a driver.
A. Right
B. Wrong
Answer：B
16、What should the driver do if he encounters this situation at the intersection when driving straight?
A. Sound the horn to warn the other vehicle to yield
B. Speed up and pass in the front of the vehicle
C. Turn on the headlamp to warn the other vehicle to yield
D. Slow down or stop to yield
Answer：D
17、Motor vehicles are not allowed to stop in this area for a long time.
A. Right
B. Wrong
Answer：A
18、When a motor vehicle breaks down and has to be stopped on the highway, what should the driver do?
A. Set up a breakdown warning sign 150 meters behind the vehicle
B. Set up a breakdown warning sign 100 meters behind the vehicle
C. If it happens at night, turn on the clearance lamp and rear position lamp
D. Turn on the hazard lamps
Answer：ACD
19、The sign on the right warns of a wet road surface ahead.
A. Right
B. Wrong
Answer：A
20、Under the circumstances shown in the flash, what should the driver do?
A. Find a chance to overtake the vehicle in front
B. Weave through motor vehicles ahead and pass
C. Reduce speed, stop, and wait in line
D. Sound the horn to urge vehicles in front
Answer：C