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. When running in a high speed, if only use the front brake, the driver can be easily thrown out due to the inertia.
A. Right
B. Wrong
Answer：A
3. A motorcycle driver should wear long-sleeve and long-trouser-leg clothes with brilliant color so that he can be easy found by other transports participants when he is riding.
A. Right
B. Wrong
Answer：A
4. If the vehicle has no license plate, label of inspection or label of insurance, preserve the scene and immediately report to the police.
A. Right
B. Wrong
Answer：A
5. May not turn on the turn signal when overtaking.
A. Right
B. Wrong
Answer：B
6. 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
7. When the tire pressure is too low, what can happen when driving at a high speed?
A. Tire pressure will be unstable
B. Tire pressure will increase
C. Driving resistance will decrease
D. The tire will burst
Answer：D
8. 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
9. When a bicycle borrows the motor vehicle lane, the motor vehicle may sound the horn hurriedly to warn the bicycle to yield.
A. Right
B. Wrong
Answer：B
10. Drivers who ride motorcycles are able to not wear safety helmets.
A. Right
B. Wrong
Answer：B
11. Traffic Police can detain the vehicle according to law if it is without the mandatory traffic accident insurance in accordance with state regulations.
A. Right
B. Wrong
Answer：A
12. What is the meaning of this sign?
A. stop to yield
B. no stopping temporarily
C. no entry
D. no long stopping
Answer：A
13. What is the meaning of this sign?
A. going straight and right turn
B. going straight and left turn
C. no going straight and no left turn
D. right turn and left turn only
Answer：B
14. What is the meaning of this sign?
A. no yielding
B. yield while crossing each other
C. reduce speed and yield
D. stop to yield
Answer：C
15. Which of the following is a bad habit when changing lanes?
A. Turning on the indicator in advance
B. Observing closely before changing a lane
C. Change lanes at will
D. Not obstructing the passing of other normally moving vehicles
Answer：C
16. When driving on a road covered with ice and snow drivers should not use the emergency brake but can apply a sharp turn.
A. Right
B. Wrong
Answer：B
17. When driving into the traffic flow on a main road from a relief road, drivers should speed up.
A. Right
B. Wrong
Answer：B
18. 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 _________.
A. less than 2 years
B. less than 3years
C. less than 7years
D. more than 7 years
Answer：D
19. When the driver discovers that steering is stiff, the wrong measure is to ___________.
A. Reduce speed and stop the vehicle as fast as possible
B. Stop at a safe place
C. Continue to drive
D. Identify the cause
Answer：C
20. 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
21. Turning on the high-beam is an effective way to improve visibility in fog weather.
A. Right
B. Wrong
Answer：B
22. What is the meaning of this sign?
A. more vehicles section
B. passing slowly
C. jammed section
D. construction section
Answer：B
23. 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
24. When a motorcycle is making a turn in a high speed, the driver should avoid using the brake or use the brake less to prevent sideslip.
A. Right
B. Wrong
Answer：A
25. Driving and smoking has no negative effect on safe driving
A. Right
B. Wrong
Answer：B
