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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
- 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?
- What is the meaning of this sign?
- What is the meaning of this sign?
- What is the meaning of this sign?
- What is the meaning of this sign?
- When a wounded person suffering burns is thirsty, he may drink a small quantity of slightly salty water.
- What should motor vehicle drivers do when approaching an oncoming vehicle on a frozen road?
- When carrying the wounded persons in coma or in danger of suffocation, they should lie face up.
- 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?
- What is the meaning of this sign?
- What influence does smoking have upon driving?
- What should be done by the driver who intends to overtake but the motor vehicle in front neither reduces its speed nor allows the right of way?
- When driving in rain and encountering pedestrians with umbrellas or wearing raincoats, what should be done by motor vehicle drivers in order to yield?
