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 the tire pressure is too low, what will happen if the tire changes its shape in waves and increases in temperature due to fast movement?
What is the meaning of this sign?
When rescuing the persons who are losing blood, it is necessary to ______ first.
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 carrying the wounded persons in coma or in danger of suffocation, they should lie face up.
Dangerous chemicals possess the characteristics of explosion, inflammation, poison, erosion and radiation.
When a motor vehicle stops temporarily in a rainy day,which lamp should be turned on?
What is the meaning of this sign?
When a motor vehicle temporarily stops in fog, which lamp should be turned on?
When following other vehicles on a foggy day, what should the driver do?
What should be done by the driver who intends to overtake but finds that the vehicle in front is also overtaking?
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.
What is the meaning of this sign?
When rescuing a wounded person suffering spinal fracture, it is necessary to ___________.
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?