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. When a motor vehicle moves through water, the driver should try to maintain a constant speed and sufficient power and pass through without stopping.
A. Right
B. Wrong
Answer：A
2. 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
3. A motorcycle is not permitted to tow other vehicles or to be towed by other vehicles.
A. Right
B. Wrong
Answer：A
4. When a motorcycle wades across the water, the braking efficiency of the brake does not change.
A. Right
B. Wrong
Answer：B
5. If a driver has driven a motorized vehicle for more than four hours running, he should stop the vehicle and rest for at least ____________.
A. 10 minutes
B. 15 minutes
C. 20 minutes
D. 5 minutes
Answer：C
6. After causing a road accident, the vehicle driver needs to change the scene for rescuing the wounded, the driver should mark the location.
A. Right
B. Wrong
Answer：A
7. 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
8. 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
9. 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
10. What is the meaning of this sign?
A. driving at reduced speed in the section of 40 meters
B. minimum speed is 40km/hr
C. maximum speed is 40km/hr
D. 40km/hr speed limit ban is lifted
Answer：D
11. How to use lights at night while crossing each other on narrow road or bridge?
A. turn off all the lights
B. turn on the low beam lights
C. turn off the head lights
D. turn on high beam lights
Answer：B
12. 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
13. What is the meaning of this sign?
A. no passing for small vehicle
B. passing for small vehicle only
C. passing for motorized vehicle
D. no passing for small vehicle
Answer：C
14. 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
15. The driving license of a motorized vehicle driver will be detained after his penalty scores reach 12 points in a scoring circle.
A. Right
B. Wrong
Answer：A
16. If a motorized vehicle driver has caused a major accident in violation of the traffic regulations which has caused human death, the driver is subject to a prison term of more than 3 years.
A. Right
B. Wrong
Answer：B
17. Drivers who ride motorcycles are able to not wear safety helmets.
A. Right
B. Wrong
Answer：B
18. Besides the administrative punishment, what kind of system implemented by the traffic control department of the public security organ to the driver who violated the traffic regulations?
A. violation registration system
B. mileage reward system
C. mandatory write-off system
D. accumulated penalty points system
Answer：D
19. 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
20. Traffic Police can detain the vehicle according to law if it is suspected of using the label of inspection from other vehicle.
A. Right
B. Wrong
Answer：A
21. 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
22. 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
23. 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
24. When the driver discovers a tire is leaking and steers the vehicle off the main driving lane, he/she should refrain from applying emergency braking so as to avoid a vehicle turnover or a rear-end collision arising from the late braking of the vehicle behind.
A. Right
B. Wrong
Answer：A
25. 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
