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147. When a motor vehicle passes over an overflowing bridge, what should the driver do after stopping and observing closely?
A. Change to a high gear and pass rapidly
B. Constantly observe the changes of the flow
C. Prepare to stop at any time
D. Change to a low gear and pass through at a constant speed
Answer：D
Previous question: 146. What is the most frequent problem for driving on a muddy road?
Next question: 148. When evading an emergency, except for being calm what principle should be held by drivers?
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
- 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 rescuing a wounded person suffering from bone fracture, which of the following should be kept in mind?
- Gun powder, explosives and detonating powder belong to which of the following dangerous chemicals?
- What is the meaning of this sign?
- Which of the following method is correct to rescue an unconscious person?
- What should motor vehicle drivers do when approaching an oncoming vehicle on a frozen road?
- When rescuing the persons who are losing blood, it is necessary to ______ first.
- What influence does smoking have upon driving?
- What is the meaning of this sign?
- When driving on a long downhill road, which is the best way to control the speed?
- 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?
- What is the meaning of this sign?