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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
- What is the meaning of this sign?
- When removing a wounded person suffering spinal fracture, the rescuer should never help the wounded person to walk. He may be carried away with a soft stretcher.
- When a gas tanker is leaking heavily, which of the following measures is wrong?
- What should be checked before driving?
- What is the meaning of this sign?
- What is the meaning of this sign?
- When a wounded person suffering burns is thirsty, he should only drink plain boiled water.
- What is the meaning of this sign?
- What is the meaning of this sign?
- When approaching a vehicle on a narrow slope, which one of the following ways is correct?
- How to ensure motor vehicles have sufficient power when driving uphill?
- When rescuing a wounded person who has been poisoned by toxic gas, the first measure is to send him to a place where air is fresh so that he will not continue to be poisoned.
- What is the meaning of this sign?
- When encountering a vehicle in front ascending on a mountainous road covered with ice and snow, what should the motor vehicle driver do?
- When there is no bondage for rescuing a wounded person, towels, handkerchiefs, bed sheets and stockings can be used for dressing.
- When approaching another vehicle at night, why should the driver alternate between high-and-low-beam at a distance more than 150 meters?