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 a motor vehicle encounters an accident, the driver should pay attention to whether there is fuel leakage, pipeline rupture, so as avoid accidents.
When a gas tanker is leaking heavily, which of the following measures is wrong?
What is the meaning of this sign?
When rescuing a wounded person suffering spinal fracture, it is necessary to ___________.
What is the meaning of this sign?
What is the meaning of this sign?
The first-aid measure to rescue a poisoned person is to _______.
When two vehicles approach each other on a foggy day, what is the best method of safe driving?
What is the meaning of this sign?
What should motor vehicle drivers do when approaching an oncoming vehicle on a frozen road?
What is the meaning of this sign?
What is the meaning of this sign?
What is the meaning of this sign?
How should lamps be used by the motor vehicle driver who follows a vehicle on a road section at night where he street light condition is good?
When following other vehicles on a foggy day, what should the driver do?
When an erosive material catches fire, it should not be put out with water cannon.