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. 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
2. When a motor vehicle passes over an overflowing bridge, what should the driver do after stopping and observing closely?
A. Change to a high gear and pass rapidly
B. Constantly observe the changes of the flow
C. Prepare to stop at any time
D. Change to a low gear and pass through at a constant speed
Answer：D
3. 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
4. When encountering dangerous and complicated circumstance, the driver should keep medium or low speed and keep the balance of the motorcycle to pass it cautiously.
A. Right
B. Wrong
Answer：A
5. 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
6. When a motor vehicle stops temporarily in a rainy day,which lamp should be turned on?
A. Front and rear fog lamps
B. Hazard lamps
C. Headlamps
D. Reverse lamps
Answer：B
7. What should be checked before driving?
A. No parts need to be checked
B. Whether the tires have been cleaned
C. Where the spare tire is placed
D. The fastening and air pressure of tires
Answer：D
8. What is the meaning of this sign?
A. no borrowing lane
B. no changing lane
C. no overtaking
D. no U turn
Answer：C
9. What is the meaning of this sign?
A. the lane for non-motorized vehicles
B. yield non-motorized vehicles
C. no passing for non-motorized vehicles
D. watch for non-motorized vehicles
Answer：D
10. The width of loaded goods should ______________ from a three-wheel motorcycle.
A. not exceed 0.15 meter
B. not exceed
C. not exceed 0.20 meter
D. not exceed 0.25 meter
Answer：B
11. What is the meaning of this sign?
A. hump bridge
B. high outburst road
C. low-lying road
D. bump road
Answer：A
12. When a tire bursts suddenly on the road, the driver should refrain from violently depressing the brake pedal in panic. Instead, he/she should try his/her best to change to a low gear and use engine braking to reduce the speed of the vehicle.
A. Right
B. Wrong
Answer：A
13. When driving in a heavy rain, drivers should contro their speed to prevent their vehicles from sliding.
A. Right
B. Wrong
Answer：A
14. It is illegal to change lanes without turning on indicators.
A. Right
B. Wrong
Answer：A
15. If a motorized vehicle driver allows his vehicle to be driven by a person whose driving license has been revoked, the traffic police will detain the driving license.
A. Right
B. Wrong
Answer：A
16. 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
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：B
18. 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
19. What should a motorized vehicle has while running on the road?
A. a label of keeping distance
B. a label of reminding danger
C. a label of inspection
D. a label of product qualification
Answer：C
20. 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
21. What is the meaning of this sign?
A. bump road
B. high outburst road
C. low-lying road
D. hump bridge
Answer：B
22. What is the max speed when visibility is less than 50m due to foggy, rainy or snowy?
A. 70km/hr
B. 50km/hr
C. 40km/hr
D. 30km/hr
Answer：D
23. When the road maintenance vehicle and the engineering vehicle are on duty, the passing vehicles should avoid with care.
A. Right
B. Wrong
Answer：A
24. 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
25. When a tire blowout on the road, the driver should control the direction of the vehicle and use emergency braking to bring the motorcycle swiftly to a stop.
A. Right
B. Wrong
Answer：B
