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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.
Answer：Y
Previous question: 39. The wrong method to rescue a poisoned person in a traffic accident is to ______.
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
- What is the meaning of this sign?
- What should be checked before driving?
- 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 fix the wounded part in position, then stop the bleeding and dress the wound.
- When evading an emergency, except for being calm what principle should be held by drivers?
- When a motor vehicle encounters an accident, the driver should pay attention to whether there is fuel leakage, pipeline rupture, so as avoid accidents.
- What is the meaning of this sign?
- The wrong method to rescue a poisoned person in a traffic accident is to ______.
- 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.
- How to ensure motor vehicles have sufficient power when driving uphill?
- What is the meaning of this sign?
- What is the meaning of this sign?
- Dangerous chemicals possess the characteristics of explosion, inflammation, poison, erosion and radiation.
- What should the driver do to follow other motor vehicles on a mountain road?
- When there is no bondage for rescuing a wounded person, towels, handkerchiefs, bed sheets and stockings can be used for dressing.
- When rescuing a wounded person suffering from bone fracture, which of the following should be kept in mind?