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34. When a gas tanker is leaking heavily, which of the following measures is wrong?
A. Cut off the power
B. Wear gas mask and protect gloves
C. Turn off the valve to stop leaking
D. Evacuate people to the leeward side
Answer：D
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
- How should a motor vehicle follow the other vehicle In front when driving on a road covered with ice and snow?
- 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.
- When the wounded person is suffering main artery bleeding, where should the rescue personnel press by thumb to stop the bleeding?
- When approaching another vehicle at night, why should the driver alternate between high-and-low-beam at a distance more than 150 meters?
- What is the meaning of this sign?
- How should lamps be used when a motor vehicle meets an oncoming bicycle on a narrow road or a narrow bridge at night?
- What is the meaning of this sign?
- Once inflammable gas causes a fire disaster, it should be put out with water in good time.
- When a motor vehicle stops temporarily in a rainy day,which lamp should be turned on?
- What is the meaning of this sign?
- Matches, sulfur and red phosphorus are _________.
- When rescuing the injured, it is necessary to ________.
- The first-aid measure to rescue a poisoned person is to _______.
- What is the meaning of this sign?
- What should the driver do when he/she encounters an oncoming ambulance in the same lane?