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.

2026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 2026 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?
What is the meaning of this sign?
How to ensure motor vehicles have sufficient power when driving uphill?
When rescuing the injured, it is necessary to ________.
When the tire pressure is too low, what will happen if the tire changes its shape in waves and increases in temperature due to fast movement?
When a motor vehicle stops temporarily in a rainy day,which lamp should be turned on?
What is the meaning of this sign?
When carrying the wounded persons in coma or in danger of suffocation, they should lie face up.
What is the meaning of this sign?
What is the meaning of this sign?
What is the meaning of this sign?
Which lamp should be turned on when motor vehicles pass through a road section at night where the street light condition is good?
What kind of harmful effect will be brought about by continuously using the foot brake on a long downhill road?
What is the meaning of this sign?
What is the meaning of this sign?
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.