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66. What is the meaning of this sign?
A. Watch for long time honking
B. An unmanned level crossing
C. A manned level crossing
D. Multi-crossing of railway and road
Answer：B
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2025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：
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科目四试题
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- 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 who has been poisoned by toxic gas, the first measure is to send him to a place where air is fresh so that he will not continue to be poisoned.
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