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 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
3. Before the motorized vehicle runs on the road, the driver should check the safety and technical performance of the vehicle.
A. Right
B. Wrong
Answer：A
4. What is the meaning of this sign?
A. slippery section
B. sharp curve
C. inverse curve
D. continuous curves
Answer：D
5. When driving a motor vehicle into a traffic flow, drivers should not hold up other vehicles.
A. Right
B. Wrong
Answer：A
6. A person who has taken the state-controlled psychiatric substances can drive motorized vehicle in short distance.
A. Right
B. Wrong
Answer：B
7. What is the meaning of this sign?
A. downhill section on right side
B. driving by the right side of the road
C. stopping by the right side of the road
D. right turn only
Answer：B
8. A person who falsifies, alters driving license or uses falsified, altered driving license, and if his act constitutes a crime, he should be held for criminal liabilities according to law.
A. Right
B. Wrong
Answer：A
9. It is unsafe to ride a motorcycle by high-heel shoes.
A. Right
B. Wrong
Answer：A
10. 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
11. What is the meaning of this sign?
A. Road narrows on both sides
B. Road narrows on the right side
C. Road narrows on the left side
D. Bridge narrows
Answer：B
12. When driving into the traffic flow on a main road from a relief road, drivers should speed up.
A. Right
B. Wrong
Answer：B
13. What should be checked before driving?
A. No parts need to be checked
B. Whether the tires have been cleaned
C. Where the spare tire is placed
D. The fastening and air pressure of tires
Answer：D
14. 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
15. How to ensure motor vehicles have sufficient power when driving uphill?
A. Downshift before reducing speed
B. Downshift after reducing speed
C. Downshift when the speed is excessively low
D. Downshift to the fullest extent
Answer：A
16. What is the meaning of this sign?
A. more vehicles section
B. passing slowly
C. jammed section
D. construction section
Answer：B
17. What is the meaning of this sign?
A. steep downhill road
B. continuous up slopes
C. steep uphill road
D. embankment road
Answer：C
18. A motorcycle is not permitted to tow other vehicles or to be towed by other vehicles.
A. Right
B. Wrong
Answer：A
19. When driving on road sections where safe sight distance is affected, such as the top of a ramp, what should drivers do to ensure safety?
A. Rush through
B. Use hazard lamp
C. Cut speed and sound the horn
D. Drive at will
Answer：C
20. Traffic markings are divided into indication, warning and prohibition.
A. Right
B. Wrong
Answer：A
21. 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
22. 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 turn left
D. no going straight and no right turn
Answer：B
23. How should lamps be used when a motor vehicle meets an oncoming bicycle on a narrow road or a narrow bridge at night?
A. Continuously change between low-beam and high-beam
B. Use clearance lamp
C. Use high-beam
D. Use low-beam
Answer：D
24. When encountering stopping in turn or slow-moving vehicles in front at an intersection where lanes are reduced, the motorized vehicle should _________.
A. enter the intersection from road shoulder by the right side of the vehicle in front
B. enter the intersection from the side of interspace
C. pass alternately with one vehicle each lane to enter the intersection
D. change to left lane and cut in to enter the intersection
Answer：C
25. What is the meaning of this sign?
A. no long time honking
B. honk discontinuously
C. reduce speed and honk
D. no honking
Answer：D
