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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
- When a motor vehicle encounters a burning phenomenon, it should leave the vehicle quickly so as not to cause injury or asphyxia to the respiratory tract.
- Rescue personnel should check the breath of the unconscious person before applying any other emergency treatment.
- When a wounded person suffering burns is thirsty, he may drink a small quantity of slightly salty water.
- Matches, sulfur and red phosphorus are _________.
- When driving in rain and encountering pedestrians with umbrellas or wearing raincoats, what should be done by motor vehicle drivers in order to yield?
- What is the meaning of this sign?
- What is the meaning of this sign?
- What is the meaning of this sign?
- In emergencies, people¡¯s life safety should always be put in the first place.
- How will the adhesive force of road change when speed increases on a damp and slippery road?
- When a motor vehicle passes over an overflowing bridge, what should the driver do after stopping and observing closely?
- 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 following other vehicles on the uphill section of a mountain road, what should the driver do if the vehicle in front stops?
- When using splints, sticks or tree branches to keep the unexposed bones in position, it is necessary that these things should exceed the upper and lower joints of the wound.
- What is the meaning of this sign?