山西摩托车科目四英语
1、Driving a motor vehicle in the downhill section of a mountain road avoids overtaking as much as possible because _______.
A. Vehicle resistance in downhill section is very high
B. Vehicles on downhill sections are more difficult to control than on flat roads due to gravity.
C. In downhill section, the front speed is faster and it is difficult to overtake.
D. Vehicles on downhill sections tend to be too fast due to gravity
Answer：BD
2、When rescuers enter the scene to rescue the wounded after harmful gas leakage caused by traffic accidents, they must wear air respirators or cover their mouth and nose with wet towels.
A. Right
B. Wrong
Answer：A
3、When an erosive material catches fire, it should not be put out with water cannon.
A. Right
B. Wrong
Answer：A
4、When rescuing a wounded person who has been poisoned by toxic gas, the first measure is to send him to a place where air is fresh so that he will not continue to be poisoned.
A. Right
B. Wrong
Answer：A
5、Which of the following measures is correct for rescuing a person sustaining full-body burns?
A. Cover the fire with sandy soil
B. Spray cool water to his body
C. Put out the fire by extinguisher
D. Help to remove the burning clothes
Answer：B
6、What should the driver do to follow other motor vehicles on a mountain road?
A. Closely follow the vehicle in front
B. Increase the safety distance
C. Reduce the vertical distance between vehicles
D. Try to overtake the vehicle in front as soon as possible
Answer：B
7、Which lamp should be used when motor vehicles pass hrough an intersection at night where there is no traffic light signal?
A. High-beam
B. Low-beam
C. Hazard lamps
D. High-beam and low-beam should be used alternatively
Answer：D
8、How to ensure motor vehicles have sufficient power when driving uphill?
A. Downshift before reducing speed
B. Downshift after reducing speed
C. Downshift when the speed is excessively low
D. Downshift to the fullest extent
Answer：A
9、After a tire blows out and before the driver can control the speed of the vehicle, he should refrain from using the foot brake to stop the vehicle. Otherwise, a horizontal swing of the vehicle can cause greater danger.
A. Right
B. Wrong
Answer：A
10、Once inflammable gas causes a fire disaster, it should be put out with water in good time.
A. Right
B. Wrong
Answer：B
11、When a motor vehicle temporarily stops in fog, which lamp should be turned on?
A. Hazard lamp, clearance lamp and rear position lamp
B. Left-turn indicator, clearance lamp and rear position amp
C. Headlamp, clearance lamp and rear position lamp
D. Reverse lamp, clearance lamp and rear position lamp
Answer：A
12、A light motorcycle is only permitted to carry preschoolers.
A. Right
B. Wrong
Answer：B
13、Speeding up to go though the intersection before the light turns to red in this case.
A. Right
B. Wrong
Answer：B
14、When the driver discovers a tire is leaking and steers the vehicle off the main carriageway, he should refrain from applying emergency so as to avoid a vehicle turnover or a rear-end collision arising from the late braking of the following vehicle.
A. Right
B. Wrong
Answer：A
15、What is the meaning of this sign?
A. Watch for pedestrians
B. Watch for children
C. School area
D. Crosswalk
Answer：A
16、What should driver do when students crossing the road in line?
A. Speed up and pass in the front of the students
B. Sound the horn to warn the students to yield
C. Slow down and pass
D. Stop and wait until the students pass
Answer：D
17、What is the meaning of this sign?
A. Stopping temporarily is allowed
B. Long stopping is allowed
C. No long stopping
D. No stopping
Answer：D
18、What is the meaning of this sign?
A. No going straight and no changing to left lane
B. No going straight and no left turn
C. Allowed to go straight and turn left
D. No going straight and no right turn
Answer：B
19、The wrong measure to use the brake of a motorcycle is to __________.
A. Simultaneously use the front and back brakes
B. Use the front brake first
C. Use the back brake first
D. Avoid using the front brake too early
Answer：B
20、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