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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：
The English version of the 2025 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 a wounded person suffering bone fracture in the thigh, shank and spine, it is necessary to keep the fracture in position and refrain to move the wounded person.
- Which of the following measures is correct for rescuing a person sustaining full-body burns?
- The first-aid measure to rescue a poisoned person is to _______.
- When the wounded person is suffering main artery bleeding, where should the rescue personnel press by thumb to stop the bleeding?
- Which of the following is a bad habit when changing lanes?
- What is the meaning of this sign?
- 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.