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. 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
4. Traffic Signs and traffic markings are not traffic signals.
A. Right
B. Wrong
Answer：B
5. How to cross each other on a narrow mountain road without the central dividing line?
A. The vehicle not close to the mountain goes first
B. The vehicle close to the mountain goes first
C. The empty vehicle goes first
D. The slow-moving vehicle goes first
Answer：A
6. A person whose driving license has been destroyed cannot drive a motorized vehicle.
A. Right
B. Wrong
Answer：A
7. Sounding the horn on a foggy daY can arouse the attention of the opposite side. After hearing the horn from the opposite side, the driver should also sound their own horn to respond.
A. Right
B. Wrong
Answer：A
8. 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
9. Driving and smoking has no negative effect on safe driving
A. Right
B. Wrong
Answer：B
10. What is the meaning of this sign?
A. passing by the right side
B. passing by the left side
C. running to right side
D. running the roundabout
Answer：D
11. When driving on a road covered with ice and snow, the motor vehicle may spin or slide when increasing the speed urgently, due to the loss of vehicle stability.
A. Right
B. Wrong
Answer：A
12. What is the meaning of this sign?
A. Y-shaped intersection
B. T-shaped intersection
C. intersection
D. ring intersection
Answer：B
13. 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
14. If a motorized vehicle runs 50% faster than the specified speed limit, the driver is subject to a 3-point penalty.
A. Right
B. Wrong
Answer：B
15. If a person who has caused a major traffic accident and if his act constitutes a crime, he should be held for _________.
A. criminal liability
B. civil liability
C. direct liability
D. economic liability
Answer：A
16. What is the meaning of this sign?
A. embankment road
B. steep uphill road
C. continuous up slopes
D. steep downhill road
Answer：D
17. 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
18. Drivers should wear shoes or boots, which have heels and not skid soles, to ensure the acute, accurate, and reliable gear-shifting by feet.
A. Right
B. Wrong
Answer：A
19. 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
20. What is the meaning of this sign?
A. no entry for bicycles
B. lane for non-motorized vehicles
C. special lane for bicycles
D. bicycle stopping area
Answer：B
21. 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
22. Violent wind can cause a sideways swerve to a running vehicle.
A. Right
B. Wrong
Answer：A
23. 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
24. What needs attention when a motor vehicle drives on a road covered with ice and snow?
A. Braking length is extended
B. Anti-skating resistance will be greater
C. The adhesive force of the road will be greater
D. The braking length will be shorter
Answer：A
25. 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
