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48. What is the meaning of this sign?
A. Slippery section
B. Sharp curve
C. Inverse curve
D. Continuous curves
Answer：C
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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 rescuing the persons who are losing blood, it is necessary to ______ first.
- When there is no bondage for rescuing a wounded person, towels, handkerchiefs, bed sheets and stockings can be used for dressing.
- How will the adhesive force of road change when speed increases on a damp and slippery road?
- What is the meaning of this sign?
- 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.
- What is the meaning of this sign?
- Rescue personnel should check the breath of the unconscious person before applying any other emergency treatment.
- When rescuing a wounded person suffering from bone fracture, which of the following should be kept in mind?
- When rescuing a wounded person suffering spinal fracture, it is necessary to ___________.
- What influence does smoking have upon driving?
- What is the meaning of this sign?
- What is the meaning of this sign?
- What is the meaning of this sign?
- What is the meaning of this sign?
- The article that cannot be used to stop bleeding by dressing is _________.
- Which one of the following measures is correct when a motor vehicle intends to overtake but the vehicle infront refuses to yield?