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54. What is the meaning of this sign?
A. Road narrows on both sides
B. Road narrows on the right side
C. Road narrows on the left side
D. Bridge narrows
Answer：B
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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 motor vehicle encounters a burning phenomenon, it should leave the vehicle quickly so as not to cause injury or asphyxia to the respiratory tract.
- What needs attention when a motor vehicle drives on a road covered with ice and snow?
- When an erosive material catches fire, it should not be put out with water cannon.
- How will the adhesive force of road change when speed increases on a damp and slippery road?
- What is the meaning of this sign?
- What influence does smoking have upon driving?
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- What is the meaning of this sign?
- 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 rescuing a wounded person suffering from bone fracture, which of the following should be kept in mind?
- 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 gas tanker is leaking heavily, which of the following measures is wrong?
- What is the main impact of foggy weather on safe driving?
- Which lamp should be turned on when motor vehicles pass through a road section at night where the street light condition is good?