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52. What is the meaning of this sign?
A. Continuous down slopes
B. Steep downhill road
C. Steep uphill road
D. Continuous up slopes
Answer：A
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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
- Matches, sulfur and red phosphorus are _________.
- When a wounded person suffering burns is thirsty, he should only drink plain boiled water.
- When driving on a long downhill road, which is the best way to control the speed?
- What is the meaning of this sign?
- What is the meaning of this sign?
- How to ensure motor vehicles have sufficient power when driving uphill?
- 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.
- Which of the following is a bad habit when changing lanes?
- When removing a wounded person suffering spinal fracture, the rescuer should never help the wounded person to walk. He may be carried away with a soft stretcher.
- When a motor vehicle stops temporarily in a rainy day,which lamp should be turned on?
- What is the meaning of this sign?
- What is the meaning of this sign?
- When a wounded person is under the wheel or cargo, the wrong method is to pull the limbs of the wounded.
- What is the meaning of this sign?
- What is the meaning of this sign?
- What is the meaning of this sign?