21. When rescuing a wounded person suffering spinal fracture, it is necessary to ___________.

A. Take warm-keeping measure

B. Use soft stretcher to carry

C. Use sling to keep in position

D. Help the wounded person to move

Answer：C

Previous question: 20. When rescuing a wounded person suffering from bone fracture, which of the following should be kept in mind?

Next question: 22. When there is bleeding at the bone fracture of a wounded person, the first thing to do is to keep it in position before stopping the bleeding and dress the wound.

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 an erosive material catches fire, it should not be put out with water cannon.
When rescuing a person sustaining full-body burns the rescue personnel may spray cool water to his body to put out the fire.
What is the meaning of this sign?
What is the meaning of this sign?
What is the meaning of this sign?
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?
When a motor vehicle stops temporarily in a rainy day,which lamp should be turned on?
When rescuing a wounded person suffering spinal fracture, it is necessary to ___________.
How to ensure safe driving at night?
What is the meaning of this sign?
When approaching another vehicle at night, why should the driver alternate between high-and-low-beam at a distance more than 150 meters?
What is the meaning of this sign?
What needs attention when a motor vehicle drives on a road covered with ice and snow?
What is the meaning of this sign?
What is the meaning of this sign?
What is the meaning of this sign?