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. Turn on the left-turn signal in advance when making a U turn on the road.
A. Right
B. Wrong
Answer：A
3. A person who has not obtained driving license drives a motorized vehicle, he will be held for legal liability.
A. Right
B. Wrong
Answer：A
4. When encountering an obstacle on one side of the road, what should vehicles do as they approach each other?
A. The vehicle not encountering an obstacle should Yield to the other vehicle
B. The slower vehicle should yield to the faster
C. The vehicle encountering an obstacle should yield to the other vehicle
D. The faster vehicle should yield to the slower
Answer：C
5. How to use lights at night while crossing each other on narrow road or bridge?
A. turn off all the lights
B. turn on the low beam lights
C. turn off the head lights
D. turn on high beam lights
Answer：B
6. 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
7. The motorized vehicle driver is not allowed to drive a motorized vehicle when his driving license is detained.
A. Right
B. Wrong
Answer：A
8. When a motor vehicle passes over an inundated road drivers should change to a high gear and pass rapidly.
A. Right
B. Wrong
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. 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
11. When a motorcycle wades across the water, the braking efficiency of the brake does not change.
A. Right
B. Wrong
Answer：B
12. 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
13. Traffic lights are divided into red, green and yellow light.
A. Right
B. Wrong
Answer：A
14. 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
15. 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
16. Traffic Signs and traffic markings are not traffic signals.
A. Right
B. Wrong
Answer：B
17. Use the high and low beam lights alternately when passing the crosswalk at night.
A. Right
B. Wrong
Answer：A
18. 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
19. 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
20. Traffic Police only imposes a fine if a vehicle is suspected of using the falsified or altered label of inspection.
A. Right
B. Wrong
Answer：B
21. Driving in a dusty weather, it does not needed to turn on the head light, the contour light and the tail light.
A. Right
B. Wrong
Answer：B
22. When the tire pressure is too low, what can happen when driving at a high speed?
A. Tire pressure will be unstable
B. Tire pressure will increase
C. Driving resistance will decrease
D. The tire will burst
Answer：D
23. 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
24. A motorized vehicle that will turn right at an intersection but has a vehicle in front in the same lane waiting for the green light should ______________.
A. Stop and wait for his turn
B. Honk to indicate the vehicle in front to yield
C. Bypass the vehicle in front from the right side and go through the intersection
D. Bypass the vehicle in front from the left side and go through the intersection
Answer：A
25. May not turn on the turn signal when overtaking.
A. Right
B. Wrong
Answer：B
