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?
Which of the following method is correct to rescue an unconscious person?
What is the meaning of this sign?
What is the meaning of this sign?
What is the meaning of this sign?
How will the adhesive force of road change when speed increases on a damp and slippery road?
When the wounded person is suffering main artery bleeding, where should the rescue personnel press by thumb to stop the bleeding?
What is the meaning of this sign?
When a motor vehicle temporarily stops at night, which lamp should be turned on?
What is the meaning of this sign?
What is the meaning of this sign?
When a wounded person suffering burns is thirsty, he may drink a small quantity of slightly salty water.
Rescue personnel should check the breath of the unconscious person before applying any other emergency treatment.
When rescuing a wounded person who has been poisoned by toxic gas, the first measure is to send him/her to a place with fresh air so that he/she will not continue to be poisoned.
What is the most frequent problem for driving on a muddy road?
When following other vehicles on the uphill section of a mountain road, what should the driver do if the vehicle in front stops?