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

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.
What is the meaning of this sign?
What is the meaning of this sign?
What is the meaning of this sign?
The article that cannot be used to stop bleeding by dressing is _________.
Which of the following measures is incorrect when a motor vehicle stops?
What is the meaning of this sign?
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.
When a motor vehicle stops in snow, which lamp should be turned on?
When driving on a long downhill road, which is the best way to control the speed?
What should the driver do when he/she encounters an oncoming ambulance in the same lane?
When a gas tanker is leaking heavily, which of the following measures is wrong?
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?
Matches, sulfur and red phosphorus are _________.
What is the meaning of this sign?
The wrong method to rescue a poisoned person in a traffic accident is to ______.