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41. 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.
Answer：Y
Previous question: 40. At the scene of a traffic accident, once there is a leakage of toxic and harmful substances, people must be evacuated at the first time and alarmed immediately.
Next question: 42. When discovering animals crossing the expressway on the highway, the driver should not drastically turn to evade.
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
- 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.
- Rescue personnel should check the breath of the unconscious person before applying any other emergency treatment.
- When a wounded person is unable to get off the vehicle by himself, he should be removed from the vehicle so as to avoid a secondary injury.
- 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.
- When rescuing a wounded person in an emergency, it is necessary to firstly stop the bleeding by compression before other methods are taken according to the conditions of bleeding.
- How to ensure motor vehicles have sufficient power when driving uphill?
- What should the driver do to follow other motor vehicles on a mountain road?
- What should be checked before driving?
- What is the meaning of this sign?
- At the scene of a traffic accident, once there is a leakage of toxic and harmful substances, people must be evacuated at the first time and alarmed immediately.
- When encountering an obstacle on one side of the road, what should vehicles do as they approach each other?
- What is the meaning of this sign?
- When approaching a vehicle on a narrow slope, which one of the following ways is correct?
- Matches, sulfur and red phosphorus are _________.
- What is the meaning of this sign?