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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
- Which of the following method is correct to rescue an unconscious person?
- Gun powder, explosives and detonating powder belong to which of the following dangerous chemicals?
- When an erosive material catches fire, it should not be put out with water cannon.
- What is the meaning of this sign?
- What is the meaning of this sign?
- Which of the following measures is correct for rescuing a person sustaining full-body burns?
- When rescuing a wounded person suffering from bone fracture, which of the following should be kept in mind?
- When a motor vehicle encounters a burning phenomenon, it should leave the vehicle quickly so as not to cause injury or asphyxia to the respiratory tract.
- How to ensure safe driving at night?
- What is the meaning of this sign?
- When the tire pressure is too low, what can happen when driving at a high speed?
- When rescuing a wounded person suffering spinal fracture, it is necessary to ___________.
- How should lamps be used when a motor vehicle meets an oncoming bicycle on a narrow road or a narrow bridge at night?
- When following other vehicles on the uphill section of a mountain road, what should the driver do if the vehicle in front stops?
- The first-aid measure to rescue a poisoned person is to _______.
- What is the meaning of this sign?