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 the tire pressure is too low, what will happen if the tire changes its shape in waves and increases in temperature due to fast movement?
A. Unstable tire pressure
B. Even lower tire pressure
C. Driving resistance increases
D. Tire burst
Answer：D
2. 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
3. A motorized vehicle is not allowed to stop in the section 50 meters to the narrow road less than 4 meters width.
A. Right
B. Wrong
Answer：A
4. A motorcycle is not permitted to tow other vehicles or to be towed by other vehicles.
A. Right
B. Wrong
Answer：A
5. When a motorcycle turns at an excessively high speed, it can easily dash out of a curve or skid sideways.
A. Right
B. Wrong
Answer：A
6. 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
7. What is the meaning of this sign?
A. watch for pedestrians
B. watch for children
C. school area
D. crosswalk
Answer：A
8. When a motorcycle wades across the water, the braking efficiency of the brake does not change.
A. Right
B. Wrong
Answer：B
9. 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
10. If a motorized vehicle driver escapes after causing a major traffic accident which has caused human death, the driver is subject to a prison term of ________.
A. more than 7 years
B. less than 3 years
C. 3 ~ 7 years
D. more than 10 years
Answer：C
11. When use the brake of a motorcycle, use the front-wheel brake first, then use the back-wheel brake.
A. Right
B. Wrong
Answer：B
12. What is the meaning of this sign?
A. bypass from left side
B. continuous curves
C. sharp left curve
D. sharp right curve
Answer：C
13. In which situation the traffic police may detain the vehicle?
A. no vehicle registration papers
B. no insurance contract
C. no lable of environmental protection
D. no label of insurance
Answer：D
14. 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
15. 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
16. What should motor vehicle drivers do when parking temporarily on a rainy day?
A. Turn on hazard lamp
B. Turn on front and back fog lamp
C. Turn on low-beam
D. Set up warning sign at the back of the vehicle
Answer：A
17. What should be done by the driver who intends to overtake but the motor vehicle in front neither reduces its speed nor allows the right of way?
A. Continuously sounding the horn and accelerating to overtake
B. Accelerating and continuing to overtake
C. Refraining from overtaking
D. Following the vehicle in front closely and finding a chance to overtake
Answer：C
18. What is the meaning of this sign?
A. muddy road
B. low-lying road
C. overflowing road
D. ferry
Answer：C
19. When encountering an overflowing bridge, the driver should look at the situation, and passes through slowly before he makes sure that it is safe to do so.
A. Right
B. Wrong
Answer：A
20. What is the meaning of this sign?
A. U turn
B. reversing
C. left turn
D. bypassing
Answer：A
21. Which of the following vehicle in front in the same lane is not allowed to be overtaken?
A. the vehicle is making a stop
B. the vehicle is reducing speed to yield
C. the vehicle is taking a U turn
D. the vehicle is running normally
Answer：C
22. What is the meaning of this sign?
A. no U turn at intersection
B. no changing lane from both sides
C. no left or right turn
D. no going straight
Answer：C
23. A driver may drive a motorized vehicle after the driving license has been lost within 3 months.
A. Right
B. Wrong
Answer：B
24. It is extremely unsafe to take a motorcycle by the side; if the motorcycle sideslips, the passenger may be thrown out and led to death due to an unstable center of gravity.
A. Right
B. Wrong
Answer：A
25. Motorized vehicles should pass the intersections according to the traffic signals.
A. Right
B. Wrong
Answer：A
