雅安摩托车科目四英文版app

1. Which of the following is an inflammable solid material?

A. Matches

B. Fireworks

C. Calcium carbide

D. Explosives

Answer: A

2. When the wounded person is suffering main artery bleeding, where should the rescue personnel press by thumb to stop the bleeding?

A. The artery near the heart

B. The artery lower to the wound

C. The artery further from the heart

D. The artery in the center of the wound

Answer: A

3. What is the meaning of this sign?

A. A manned level crossing

B. Multi-crossing of railway and road

C. Grade separation level crossing

D. An unmanned level crossing

Answer: A

4. 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

5. When the tire pressure is too low, what will happen if the tire changes its shape in waves and increases in temperature due to fast movement?

A. Unstable tire pressure

B. Even lower tire pressure

C. Driving resistance increases

D. Tire burst

Answer: D

6. When driving on a long downhill road, which is the best way to control driving speed?

A. Coast in neutral gear

B. Depress the clutch and coast

C. Use the engine to brake

D. Depress the brake pedal continuously

Answer: C

7. When there is no bondage for rescuing a wounded person, towels, handkerchiefs, bed sheets and stockings can be used for dressing.

Answer: Y

8. At the scene of a traffic accident, once there is a leakage of toxic and harmful substances, people must be evacuated at the first time and alarmed immediately.

Answer: Y

9. What is the most frequent problem for driving on a muddy road?

A. High resistance force

B. Sideways slide

C. The motor vehicle bumps

D. Steering failure

Answer: B

10. What is the meaning of this sign?

A. No entry for bicycles

B. Lane for non-motorized vehicles

C. Special lane for bicycles

D. Bicycle stopping area

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. When rescuing a wounded person suffering from bone fracture, which of the following should be kept in mind?

A. Immediately send him/her to the hospital on a stretcher

B. Properly change the original posture when the injured person wounded

C. Dress the fracture with a bandage

D. Do not move the fractured body-part

Answer: D

13. What is the meaning of this sign?

A. No changing lane

B. No left turn

C. No going straight

D. No U turn

Answer: D

14. When putting out a fire disaster that gives out erosive steam or poisonous gas, the firefighters should wear gas masks and other related protective articles and should operate from the windward side.

Answer: Y

15. 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

16. 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

17. What kind of harmful effect will be brought about by continuously using the foot brake on a long downhill road?

A. Shorten the engine¡¯s service life

B. Make the driver feel tired

C. Easily cause the vehicle to overturn

D. Reduce the braking efficiency

Answer: D

18. In emergencies, people¡¯s life safety should always be put in the first place.

Answer: Y

19. When an erosive material catches fire, it should not be put out with water cannon.

Answer: Y

20. When rescuing a wounded person in coma, it is necessary to take warm-keeping measures to prevent heat loss.

Answer: Y