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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.
Answer：Y
Previous question: 39. The wrong method to rescue a poisoned person in a traffic accident is to ______.
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
- 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?
- How should a motor vehicle follow the other vehicle In front when driving on a road covered with ice and snow?
- In emergencies, people¡¯s life safety should always be put in the first place.
- When a wounded person suffering bone fracture in the thigh, shank and spine, it is necessary to keep the fracture in position and refrain to move the wounded person.
- When rescuing a wounded person in coma, it is necessary to take warm-keeping measures to prevent heat loss.
- What is the meaning of this sign?
- When a wounded person is under the wheel or cargo, the wrong method is to pull the limbs of the wounded.
- What is the meaning of this sign?
- When a motor vehicle encounters a burning phenomenon, it should leave the vehicle quickly so as not to cause injury or asphyxia to the respiratory tract.
- What is the meaning of this sign?
- The first-aid measure to rescue a poisoned person is to _______.
- When driving on a long downhill road, which is the best way to control the speed?
- When the tire pressure is too low, what can happen when driving at a high speed?
- When driving on a long downhill road, which is the best way to control driving speed?
- The article that cannot be used to stop bleeding by dressing is _________.