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136. 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
Previous question: 135. What should motor vehicle drivers do when parking temporarily on a rainy day?
Next question: 137. How to reduce speed or stop when driving on a road covered with snow and ice?
2026年摩托车科目四英文版题库共345题，你可以免费查看前50题，完整版题库请添加微信购买：
The English version of the 2026 motorcycle subject 4 question bank has a total of 345 questions. You can view the top 50 questions for free. Please add WeChat to purchase the complete version of the question bank.
科目四试题
- Which one of the following measures is correct when a motor vehicle intends to overtake but the vehicle infront refuses to yield?
- How should a motor vehicle follow the other vehicle In front when driving on a road covered with ice and snow?
- When two vehicles approach each other on a foggy day, what is the best method of safe driving?
- What needs attention when a motor vehicle drives on a road covered with ice and snow?
- When a motor vehicle temporarily stops in fog, which lamp should be turned on?
- When a wounded person is unable to get off the vehicle by himself, he should be removed from the vehicle so as to avoid a secondary injury.
- What is the meaning of this sign?
- Which of the following is a bad habit when changing lanes?
- What is the meaning of this sign?
- What is the meaning of this sign?
- When approaching another vehicle at night, why should the driver alternate between high-and-low-beam at a distance more than 150 meters?
- What is the meaning of this sign?
- When rescuing a wounded person suffering spinal fracture, it is necessary to ___________.
- What is the meaning of this sign?
- Gun powder, explosives and detonating powder belong to which of the following dangerous chemicals?
- What is the meaning of this sign?