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 a motorized vehicle returns to the original lane after overtaking, the driver should Turn on the right-turn signal.
A. Right
B. Wrong
Answer：A
3. Driving a motorized vehicle in the city road which has no central line, the maximum speed can not exceed 50 kilometers per hour.
A. Right
B. Wrong
Answer：B
4. The behavior of a motorized vehicle driver who has violated the law and regulations on road traffic safety is _______ .
A. faulty act
B. violation of regulations
C. rule-breaking act
D. violation of law
Answer：D
5. When a motor vehicle passes over an inundated road the driver should change to a low gear and pass at a constant speed.
A. Right
B. Wrong
Answer：A
6. 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
7. 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 change to left lane
D. no going straight and no right turn
Answer：D
8. What is the meaning of this sign?
A. No passing
B. driving at reduced speed
C. time limit for entering
D. no entering
Answer：A
9. 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
10. 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
11. When a motorcycle wades across the water, the braking efficiency of the brake does not change.
A. Right
B. Wrong
Answer：B
12. 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
13. 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
14. What is the meaning of this sign?
A. slippery section
B. sharp curve
C. inverse curve
D. continuous curves
Answer：C
15. The police can detain the vehicle if one drives a vehicle without ______
A. vehicle license
B. ID card
C. pass paper
D. qualification certificate
Answer：A
16. Turning on the high-beam is an effective way to improve visibility in fog weather.
A. Right
B. Wrong
Answer：B
17. Causing a traffic accident due to violating the law and regulations on road traffic safety is the rule-breaking act.
A. Right
B. Wrong
Answer：B
18. When approaching a sharp curve, motor vehicle drivers should reduce speed only after entering the curve.
A. Right
B. Wrong
Answer：B
19. When driving a motorcycle, the driver may wear slippers for the sake of safety.
A. Right
B. Wrong
Answer：B
20. If a motorized vehicle driver causes a traffic accident and runs away but his conduct does not constitute a crime, he is subject to a 12-point penalty.
A. Right
B. Wrong
Answer：A
21. When passing a turn or a curve section, the driver should slow down and disengage the clutch.
A. Right
B. Wrong
Answer：B
22. When a motor vehicle reaches a muddy or burst-and-muddy section of the road, the driver should stop, observe and select a level and solid section or a section with vehicle tracks.
A. Right
B. Wrong
Answer：A
23. Traffic Police can detain the vehicle according to law if it runs on the road failing to place a label of inspection.
A. Right
B. Wrong
Answer：A
24. When approaching another vehicle at night, why should the driver alternate between high-and-low-beam at a distance more than 150 meters?
A. Warn each other before passing
B. Driving habit
C. Easy to observe the situation ahead from either side
D. Courtesy
Answer：C
25. What is the meaning of this sign?
A. watch for pedestrians
B. crosswalk
C. village or town
D. primary school
Answer：C
