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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
- When driving on road sections where safe sight distance is affected, such as the top of a ramp, what should drivers do to ensure safety?
- What is the meaning of this sign?
- What is the meaning of this sign?
- What is the meaning of this sign?
- 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 who has been poisoned by toxic gas, the first measure is to send him to a place where air is fresh so that he will not continue to be poisoned.
- Matches, sulfur and red phosphorus are _________.
- What is the meaning of this sign?
- Which of the following method is correct to rescue an unconscious person?
- When a wounded person suffering burns is thirsty, he may drink a small quantity of slightly salty water.
- What is the meaning of this sign?
- When rescuing a person sustaining full-body burns the rescue personnel may spray cool water to his body to put out the fire.
- How will the adhesive force of road change when speed increases on a damp and slippery road?
- When removing a wounded person suffering spinal fracture, the rescuer should never help the wounded person to walk. He may be carried away with a soft stretcher.
- 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.