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137. How to reduce speed or stop when driving on a road covered with snow and ice?
A. Take full advantage of driving brake
B. Take full advantage of the control power from engine
C. Take full advantage of parking brake
D. Take full advantage of speed retarder
Answer：B
Previous question: 136. How will the adhesive force of road change when speed increases on a damp and slippery road?
Next question: 138. How should a motor vehicle follow the other vehicle In front when driving on a road covered with ice and snow?
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
- What is the meaning of this sign?
- When there is bleeding at the bone fracture of a wounded person, the first thing to do is to fix the wounded part in position, then stop the bleeding and dress the wound.
- In emergencies, people¡¯s life safety should always be put in the first place.
- When a motor vehicle passes over an overflowing bridge, what should the driver do after stopping and observing closely?
- How should lamps be used when motor vehicle drivers pass through a two-way tunnel?
- When rescuers enter the scene to rescue the wounded after harmful gas leakage caused by traffic accidents, they must wear air respirators or cover their mouth and nose with wet towels.
- When putting out a fire disaster that gives out erosive steam or poisonous gas, the firefighters should wear gas masks and other related protective articles and should operate from the windward side.
- What is the meaning of this sign?
- Which of the following measures is incorrect when a motor vehicle stops?
- When rescuing a wounded person suffering spinal fracture, it is necessary to ___________.
- What is the meaning of this sign?
- What is the meaning of this sign?
- What is the meaning of this sign?
- What is the meaning of this sign?
- What is the meaning of this sign?
- What is the meaning of this sign?