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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?
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
- Which of the following is an inflammable solid material?
- When following other vehicles on a foggy day, what should the driver do?
- Which of the following is a bad habit when changing lanes?
- When a motor vehicle stops in snow, which lamp should be turned on?
- How should lamps be used when motor vehicle drivers pass through a two-way tunnel?
- When encountering a vehicle in front ascending on a mountainous road covered with ice and snow, what should the motor vehicle driver do?
- 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?
- What is the meaning of this sign?
- What should be done by the driver who intends to overtake but the motor vehicle in front neither reduces its speed nor allows the right of way?
- When there is no bandage for rescuing a wounded person, which of the following measures is wrong?
- What is the meaning of this sign?
- What should motor vehicle drivers do when approaching an oncoming vehicle on a frozen road?
- What is the meaning of this sign?
- How to ensure motor vehicles have sufficient power when driving uphill?
- What is the meaning of this sign?