41. When rescuers enter the scene to rescue the wounded after harmful gas leakage caused by traffic accidents, they must wear air respirators or cover their mouth and nose with wet towels.

Answer：Y

Previous question: 40. At the scene of a traffic accident, once there is a leakage of toxic and harmful substances, people must be evacuated at the first time and alarmed immediately.

Next question: 42. When discovering animals crossing the expressway on the highway, the driver should not drastically turn to evade.

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

What is the meaning of this sign?
When a motor vehicle temporarily stops at night, which lamp should be turned on?
What is the meaning of this sign?
When two vehicles approach each other on a foggy day, what is the best method of safe driving?
Dangerous chemicals possess the characteristics of explosion, inflammation, poison, erosion and radiation.
What is the meaning of this sign?
What should be done by the driver who intends to overtake but finds that the vehicle in front is also overtaking?
What is the meaning of this sign?
When a wounded person suffering burns is thirsty, he should only drink plain boiled water.
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?
When rescuing the persons who are losing blood, it is necessary to ______ first.
The article that cannot be used to stop bleeding by dressing is _________.
When a wounded person is unable to get off the vehicle by himself, he should be removed from the vehicle so as to avoid a secondary injury.
When rescuing the injured, it is necessary to ________.