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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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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
- When a wounded person suffering burns is thirsty, he should only drink plain boiled water.
- What should the driver do to follow other motor vehicles on a mountain road?
- 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.
- What is the meaning of this sign?
- When the tire pressure is too low, what can happen when driving at a high speed?
- What is the meaning of this sign?
- When there is no bondage for rescuing a wounded person, towels, handkerchiefs, bed sheets and stockings can be used for dressing.
- What should be checked before driving?
- Matches, sulfur and red phosphorus are _________.
- How to ensure safe driving at night?
- What should motor vehicle drivers do when parking temporarily on a rainy day?
- 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 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?