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66. What is the meaning of this sign?
A. Watch for long time honking
B. An unmanned level crossing
C. A manned level crossing
D. Multi-crossing of railway and road
Answer：B
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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 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.
- When carrying the wounded persons in coma or in danger of suffocation, they should lie face up.
- When driving in thick or extremely thick fog, what should the driver do due to the low visibility in such weather?
- When rescuing a wounded person in coma, it is necessary to take warm-keeping measures to prevent heat loss.
- When following other vehicles on a foggy day, what should the driver do?
- What is the meaning of this sign?
- What is the meaning of this sign?
- 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.
- What is the meaning of this sign?
- What is the meaning of this sign?
- When rescuing a wounded person suffering spinal fracture, it is necessary to ___________.
- When rescuing the injured, it is necessary to ________.
- What is the meaning of this sign?
- What is the meaning of this sign?
- When rescuers enter the scene to rescue the wounded after harmful gas leakage caused by traffic accidents, they must wear air respirators or cover their mouth and nose with wet towels.
- When a wounded person suffering bone fracture in the thigh, shank and spine, it is necessary to keep the fracture in position and refrain to move the wounded person.