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 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?
What is the meaning of this sign?
What is the meaning of this sign?
When following other vehicles on a foggy day, what should the driver do?
What should the driver do to follow other motor vehicles on a mountain road?
When rescuing a wounded person suffering from bone fracture, which of the following should be kept in mind?
When rescuing the injured, it is necessary to ________.
What is the meaning of this sign?
What is the meaning of this sign?
Which of the following is an inflammable solid material?
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.
What is the meaning of this sign?
What is the meaning of this sign?
What is the meaning of this sign?
What is the meaning of this sign?