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54. What is the meaning of this sign?
A. Road narrows on both sides
B. Road narrows on the right side
C. Road narrows on the left side
D. Bridge narrows
Answer：B
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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
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- When there is bleeding at the bone fracture of a wounded person, the first thing to do is to keep it in position before stopping the bleeding and dress the wound.
- When rescuing a wounded person suffering from bone fracture, which of the following should be kept in mind?
- Matches, sulfur and red phosphorus are _________.
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- When rescuing the persons who are losing blood, it is necessary to ______ first.
- What kind of harmful effect will be brought about by continuously using the foot brake on a long downhill road?
- When a motor vehicle temporarily stops in fog, which lamp should be turned on?
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- 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?
- What is the meaning of this sign?