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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 approaching another vehicle at night, why should the driver alternate between high-and-low-beam at a distance more than 150 meters?
- What is the meaning of this sign?
- In emergencies, people¡¯s life safety should always be put in the first place.
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- What should be checked before driving?
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- When carrying the wounded persons in coma or in danger of suffocation, they should lie face up.
- When there is no bandage for rescuing a wounded person, which of the following measures is wrong?
- What needs attention when a motor vehicle drives on a road covered with ice and snow?
- When a wounded person suffering burns is thirsty, he should only drink plain boiled water.
- Dangerous chemicals possess the characteristics of explosion, inflammation, poison, erosion and radiation.
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- What kind of harmful effect will be brought about by continuously using the foot brake on a long downhill road?
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- What is the meaning of this sign?