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49. What is the meaning of this sign?
A. Slippery section
B. Sharp curve
C. Inverse curve
D. Continuous curves
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
- When rescuing a wounded person suffering spinal fracture, it is necessary to ___________.
- 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?
- Which of the following measures is incorrect when a motor vehicle stops?
- Which lamp should be used when motor vehicles pass hrough an intersection at night where there is no traffic light signal?
- What is the most frequent problem for driving on a muddy road?
- Which of the following method is correct to rescue an unconscious person?
- 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 _________.
- How should a motor vehicle follow the other vehicle In front when driving on a road covered with ice and snow?
- What is the meaning of this sign?
- What should be done by the driver who intends to overtake but the motor vehicle in front neither reduces its speed nor allows the right of way?
- When a wounded person suffering burns is thirsty, he should only drink plain boiled water.