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70. What is the meaning of this sign?
A. More vehicles section
B. Passing slowly
C. Jammed section
D. Construction section
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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- Matches, sulfur and red phosphorus are _________.
- 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.
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- Which of the following method is correct to rescue an unconscious person?
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- When rescuing the injured, it is necessary to ________.