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. If a person who has caused a major traffic accident and if his act constitutes a crime, he may not be held for criminal liabilities.
A. Right
B. Wrong
Answer：B
3. The driver who chases and races while driving on the road, and commits serious acts is subject to ______
A. a prison term of 6 months
B. a prison term of more than 1 year
C. a criminal restriction and a fine
D. a criminal detention and a fine
Answer：D
4. What is the max speed on muddy road?
A. 15km/hr
B. 20km/hr
C. 40km/hr
D. 30km/hr
Answer：D
5. 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
6. What should the driver do when he/she encounters an oncoming ambulance in the same lane?
A. Keep to the side and reduce speed or stop to yield
B. Drive ahead by occupying another lane
C. Yield by speeding up and changing lanes
D. Drive ahead in the original lane
Answer：A
7. In which situation the traffic police can detain the vehicle according to law?
A. exceeding 10% of the prescribed speed limits
B. driving wen he is exhausted
C. not buckled up while driving
D. driving after drinking
Answer：D
8. What is the meaning of this sign?
A. straight-going lane
B. going straight only
C. one-way road
D. no going straight
Answer：B
9. 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
10. Traffic Police can detain the vehicle according to law if the driver does not carry the ID card.
A. Right
B. Wrong
Answer：B
11. 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
12. When finding a tire burst on the road, the driver should gently depress the brake pedal, reduce speed and stop the vehicle slowly.
A. Right
B. Wrong
Answer：A
13. 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
14. When approaching a vehicle on a narrow slope, which one of the following ways is correct?
A. The descending vehicle yields to the ascending
B. The vehicle which is further from the slope crest should yield
C. The ascending vehicle yields to the descending
D. If the descending vehicle has reached the midpoint while the ascending vehicle has not yet set out, the descending vehicle must yield.
Answer：A
15. Which one of the following measures is correct when a motor vehicle intends to overtake but the vehicle infront refuses to yield?
A. Use a long-sounding horn
B. Follow the vehicle in front while turning high-beam
C. Wait for it to yield while keeping a safe distance
D. Use high-beam and low-beam alternatively
Answer：C
16. 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
17. 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
18. When a motor vehicle temporarily stops in fog, which lamp should be turned on?
A. Hazard lamp, clearance lamp and rear position lamp
B. Left-turn indicator, clearance lamp and rear position amp
C. Headlamp, clearance lamp and rear position lamp
D. Reverse lamp, clearance lamp and rear position lamp
Answer：A
19. 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
20. 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
21. 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
22. 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
23. If a driver finds there is no vehicle behind, he/she may change lanes without turning on the indicator.
A. Right
B. Wrong
Answer：B
24. What is the meaning of this sign?
A. bump road
B. high outburst road
C. low-lying road
D. hump bridge
Answer：B
25. In which section cannot overtake?
A. mountain road
B. urban elevated road
C. urban expressway
D. narrow bridge and curve
Answer：D
