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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
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- When there is bleeding at the bone fracture of a wounded person, the first thing to do is to fix the wounded part in position, then stop the bleeding and dress the wound.
- How to ensure safe driving at night?
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- When an erosive material catches fire, it should not be put out with water cannon.
- Which of the following is an inflammable solid material?
- What should the driver do when he/she encounters an oncoming ambulance in the same lane?
- How should lamps be used by the motor vehicle driver who follows a vehicle on a road section at night where he street light condition is good?
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- When rescuing the injured, it is necessary to ________.