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32. Dangerous chemicals possess the characteristics of explosion, inflammation, poison, erosion and radiation.
Answer：Y
Previous question: 31. When an erosive material catches fire, it should not be put out with water cannon.
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 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?
- When the tire pressure is too low, what can happen when driving at a high speed?
- What is the meaning of this sign?
- When rescuing a wounded person in coma, it is necessary to take warm-keeping measures to prevent heat loss.
- What kind of harmful effect will be brought about by continuously using the foot brake on a long downhill road?
- What is the meaning of this sign?
- What is the meaning of this sign?
- What is the meaning of this sign?
- When carrying the wounded persons in coma or in danger of suffocation, they should lie face up.
- When approaching a vehicle on a narrow slope, which one of the following ways is correct?
- How to ensure safe driving at night?
- When rescuing the persons who are losing blood, it is necessary to ______ first.
- What is the meaning of this sign?
- What is the meaning of this sign?
- What is the meaning of this sign?