现在车辆管理所摩托车英语题库为全中国统一版本，都是考一样的试题，2025年摩托车DEF驾照英语科目一共400题，科目四345题，以下为样题：
1. How will the adhesive force of road change when speed increases on a damp and slippery road?
A. Increase sharply
B. increase gradually
C. decrease sharply
D. No change
Answer：C
2. What is the meaning of this sign?
A. no left turn
B. leftt and right turn
C. no leftt and right turn
D. no right turn
Answer：B
3. How to reduce speed or stop when driving on a road covered with snow and ice?
A. Take full advantage of driving brake
B. Take full advantage of the control power from engine
C. Take full advantage of parking brake
D. Take full advantage of speed retarder
Answer：B
4. 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
5. What is the meaning of this sign?
A. no right turn
B. no U turn
C. no going straight
D. no left turn
Answer：C
6. 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
7. What is the meaning of this sign?
A. watch for long time honking
B. an unmanned level crossing
C. a manned level crossing
D. multi-crossing of railway and road
Answer：B
8. When encountering an obstacle on one side of the road, what should vehicles do as they approach each other?
A. The vehicle not encountering an obstacle should Yield to the other vehicle
B. The slower vehicle should yield to the faster
C. The vehicle encountering an obstacle should yield to the other vehicle
D. The faster vehicle should yield to the slower
Answer：C
9. How should a motor vehicle follow the other vehicle In front when driving on a road covered with ice and snow?
A. Keep a long safe distance
B. Turn on hazard lamp
C. Change between high-and-low beam alternatively
D. Sound the horn in due time to give a notice to the vehicle in front
Answer：A
10. When encountering stopping and waiting in turn or slow-moving vehicles in front, the motorized vehicle may _________.
A. borrow road to overtake
B. occupy the opposite lane
C. follow the vehicles in front
D. cut in the waiting vehicles
Answer：C
11. What is the meaning of this sign?
A. no U turn
B. no changing to left lane
C. no turning left
D. no entering the left lane
Answer：C
12. What is the meaning of this sign?
A. hump bridge
B. high outburst road
C. low-lying road
D. bump road
Answer：A
13. How to use lights when pulling over on road?
A. turn on the hazard lights
B. turn on the right-turn signal in advance
C. use the high and low beam lights alternately
D. not need to use any light to indicate
Answer：B
14. Turning on the high-beam is an effective way to improve visibility in fog weather.
A. Right
B. Wrong
Answer：B
15. When encountering an overflowing bridge, the driver should look at the situation, and passes through slowly before he makes sure that it is safe to do so.
A. Right
B. Wrong
Answer：A
16. When a motorized vehicle crosses a non-motorized vehicle on a narrow road or a narrow bridge at night, the motorized vehicle should use the high beam light.
A. Right
B. Wrong
Answer：B
17. Traffic Signs and traffic markings are not traffic signals.
A. Right
B. Wrong
Answer：B
18. What is the meaning of this sign?
A. stop by the left side of the road
B. downhill section left
C. left turn only
D. run by the left side of the road
Answer：D
19. The main impact of muddy roads on safe driving is that the wheels may easily spin and skid
A. Right
B. Wrong
Answer：A
20. When crossing each other at night, how far should change the high beam lights to low beam lights?
A. not need to change lights
B. beyond 150m
C. within 100m
D. within 50m
Answer：B
21. The wrong measure to ride a motorcycle in summer is to __________.
A. Drive at a high speed for a long time
B. Control the speed by the accelerator
C. Avoid using the brake
D. Avoid loading people or cargoes
Answer：A
22. If a motorized vehicle driver has caused a major traffic accident in violation of the traffic regulations which has caused human death due to his escaping, the driver is subject to a prison term of 3 years ~ 7 years.
A. Right
B. Wrong
Answer：B
23. 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
24. It is illegal to change lanes without turning on indicators.
A. Right
B. Wrong
Answer：A
25. When driving a motor vehicle into a traffic flow, drivers should not hold up other vehicles.
A. Right
B. Wrong
Answer：A
