雅安科目四英语电子版
1. When using splints, sticks or tree branches to keep the unexposed bones in position, it is necessary that these things should exceed the upper and lower joints of the wound.
A. Right
B. Wrong
Answer: A
2. When a motorcycle goes downhill, it may fully use the neutral gear and slide.
A. Right
B. Wrong
Answer: B
3. 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
4. When driving into the traffic flow on a main road from a relief road, drivers should speed up.
A. Right
B. Wrong
Answer: B
5. When rescuing the persons who are losing blood, it is necessary to ______ first.
A. Observe
B. Dress the wounds
C. Stop bleeding
D. Inquire
Answer: C
6. 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
7. What is the meaning of this sign?

A. Turn left
B. No going straight
C. Straight-going lane
D. One-way road
Answer: A
8. When following other vehicles on a foggy day, what should the driver do?
A. Maintain a large safety distance
B. Turn on the high-beam
C. Turn on the low-bea
D. Sound the horn in due time
Answer: A
9. What is the meaning of this sign?

A. Stop to yield
B. No stopping temporarily
C. No entry
D. No long stopping
Answer: A
10. It is extremely unsafe to take a motorcycle by the side; if the motorcycle sideslips, the passenger may be thrown out and led to death due to an unstable center of gravity.
A. Right
B. Wrong
Answer: A
11. When driving on a damp and slippery road, drivers should avoid using the emergency brake to his/her best ability.
A. Right
B. Wrong
Answer: A
12. When a motor vehicle moves through water, drivers should intermittently and gently depress the brake pedal in order to restore braking efficiency.
A. Right
B. Wrong
Answer: A
13. When driving in a strong wind, drivers should abruptly turn the steering wheel to return to the original direction if they feel the vehicle deviates horizontally due to a strong gale.
A. Right
B. Wrong
Answer: B
14. While driving a motorcycle, nothing is permitted to hang on the handlebars.
A. Right
B. Wrong
Answer: A
15. What is the meaning of this sign?

A. No honking the tweeter
B. No honking the woofer
C. Should honk
D. No honking
Answer: C
16. What needs attention when a motor vehicle drives on a road covered with ice and snow?
A. Braking length is extended
B. Anti-skating resistance will be greater
C. The adhesive force of the road will be greater
D. The braking length will be shorter
Answer: A
17. What is the meaning of this sign?

A. Road narrows on both sides
B. Road narrows on the right side
C. Road narrows on the left side
D. Bridge narrows
Answer: A
18. 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
19. When driving a motor vehicle, the driver encounter pedestrians who are focused on using mobile phones, what should the driver do?
A. Drive with care
B. Observe the movement of pedestrians
C. Be ready to stop
D. Swiftly bypass from one side
Answer: ABC
20. What is the meaning of this sign?

A. Passing by the right side
B. Passing by the left side
C. Running to right side
D. Running the roundabout
Answer: D
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