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51. What is the meaning of this sign?
A. Embankment road
B. Steep uphill road
C. Continuous up slopes
D. Steep downhill road
Answer：D
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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
- What is the meaning of this sign?
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- What kind of harmful effect will be brought about by continuously using the foot brake on a long downhill road?
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- When following other vehicles on a foggy day, what should the driver do?
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- What is the meaning of this sign?
- How should lamps be used when motor vehicle drivers pass through a two-way tunnel?
- Gun powder, explosives and detonating powder belong to which of the following dangerous chemicals?
- The wrong method to rescue a poisoned person in a traffic accident is to ______.
- What is the meaning of this sign?
- What is the meaning of this sign?
- What is the meaning of this sign?