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 wrong measure to use the brake of a motorcycle is to __________.
A. Simultaneously use the front and back brakes
B. Use the front brake first
C. Use the back brake first
D. Avoid using the front brake too early
Answer：B
3. A person who has taken the state-controlled psychiatric substances can drive motorized vehicle in short distance.
A. Right
B. Wrong
Answer：B
4. What is the meaning of this sign?
A. no U turn
B. no changing to left lane
C. no turning left
D. no entering the left lane
Answer：C
5. Speed up when passing the overflowing road.
A. Right
B. Wrong
Answer：B
6. The motorcycles should be inspected once every year when it exceeds ____ as from the date of registration.
A. 1 year
B. 2 years
C. 3 years
D. 4 years
Answer：D
7. What is the meaning of this sign?
A. driving at reduced speed in the section of 40 meters
B. minimum speed is 40km/hr
C. maximum speed is 40km/hr
D. 40km/hr speed limit ban is lifted
Answer：D
8. 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
9. What dangerous acts can’t the driver conduct when driving downhill?
A. slide the vehicle in the neutral gear
B. driving in lower gear
C. braking to reduce speed
D. changing to the lower gear in advance
Answer：A
10. Violent wind can cause a sideways swerve to a running vehicle.
A. Right
B. Wrong
Answer：A
11. What is the meaning of this sign?
A. turn right
B. one-way road
C. going straight only
D. straight-going lane
Answer：A
12. 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
13. Full penalty points of a scoring cycle because of violating the traffic regulations is 12 points.
A. Right
B. Wrong
Answer：A
14. What is the meaning of this sign?
A. customs inspection
B. stop-for-inspection
C. frontier inspection
D. no passing
Answer：B
15. When a fast-running vehicle makes a sharp turn, it can very easily cause side collision or an overturn due to the centrifugal force.
A. Right
B. Wrong
Answer：A
16. When a motor vehicle encounters a group of youngsters bypassing the motor vehicles parking beside the road, the driver should slow down voluntarily and yield.
A. Right
B. Wrong
Answer：A
17. What is the meaning of this sign?
A. slippery section
B. sharp curve
C. inverse curve
D. continuous curves
Answer：D
18. If a motorized vehicle driver allows his vehicle to be driven by a person whose driving license has been revoked, the traffic police will detain the driving license.
A. Right
B. Wrong
Answer：A
19. What is the meaning of this sign?
A. continuous down slopes
B. steep downhill road
C. steep uphill road
D. continuous up slopes
Answer：A
20. What is the meaning of this sign?
A. no stopping temporarily
B. no long stopping
C. no stopping
D. long stopping is allowed
Answer：B
21. 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
22. What is the meaning of this sign?
A. reducing speed 40m ahead
B. minimum speed is 40km/hr
C. axle weight limit is 40 tons
D. maximum speed limit is 40km/hr
Answer：D
23. Traffic Police can detain the vehicle according to law if it is without the mandatory traffic accident insurance in accordance with state regulations.
A. Right
B. Wrong
Answer：A
24. Serious wave will appear when the front tire blows out; the driver should release the accelerator, firmly hold the steering wheel with both hands, quickly gradually break down, and stop to yield.
A. Right
B. Wrong
Answer：A
25. How to do when causing a minor traffic accident with no human casualties and no dispute?
A. do not move the vehicle
B. counsel other vehicles bypass
C. leave the scene and discuss on their own
D. protect the scene and discuss
Answer：C
