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33. When putting out a fire disaster that gives out erosive steam or poisonous gas, the firefighters should wear gas masks and other related protective articles and should operate from the windward side.
Answer：Y
Previous question: 32. Dangerous chemicals possess the characteristics of explosion, inflammation, poison, erosion and radiation.
Next question: 34. When a gas tanker is leaking heavily, which of the following measures is wrong?
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
- Gun powder, explosives and detonating powder belong to which of the following dangerous chemicals?
- Which lamp should be turned on when motor vehicles pass through a road section at night where the street light condition is good?
- When a motor vehicle stops temporarily in a rainy day,which lamp should be turned on?
- When a motor vehicle temporarily stops at night, which lamp should be turned on?
- What is the meaning of this sign?
- How to reduce speed or stop when driving on a road covered with snow and ice?
- When rescuing a wounded person suffering from bone fracture, which of the following should be kept in mind?
- What is the meaning of this sign?
- 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 first-aid measure to rescue a poisoned person is to _______.
- When putting out a fire disaster that gives out erosive steam or poisonous gas, the firefighters should wear gas masks and other related protective articles and should operate from the windward side.
- What is the meaning of this sign?
- When discovering animals crossing the expressway on the highway, the driver should not drastically turn to evade.
- What is the meaning of this sign?
- The article that cannot be used to stop bleeding by dressing is _________.