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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?
2025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 2025 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
- When two vehicles approach each other on a foggy day, what is the best method of safe driving?
- 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.
- What is the meaning of this sign?
- What is the meaning of this sign?
- The drivers, loaders and supercargoes responsible for dangerous chemicals transportation should all full understand the chemical characteristics, potential risks, features of the packaging containers and emergency measures for any unexpected accidents.
- When there is no bandage for rescuing a wounded person, which of the following measures is wrong?
- What is the meaning of this sign?
- 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.
- When there is no bondage for rescuing a wounded person, towels, handkerchiefs, bed sheets and stockings can be used for dressing.
- When driving on a long downhill road, which is the best way to control the speed?
- When driving in thick or extremely thick fog, what should the driver do due to the low visibility in such weather?
- When following other vehicles on a foggy day, what should the driver do?
- What is the meaning of this sign?
- What is the meaning of this sign?
- When rescuing the persons who are losing blood, it is necessary to ______ first.
- How will the adhesive force of road change when speed increases on a damp and slippery road?