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87. What is the meaning of this sign?
A. Reducing speed 40m ahead
B. Minimum speed is 40km/hr
C. Axle weight limit is 40 tons
D. Maximum speed limit is 40km/hr
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 rescuers enter the scene to rescue the wounded after harmful gas leakage caused by traffic accidents, they must wear air respirators or cover their mouth and nose with wet towels.
- What should motor vehicle drivers do when parking temporarily on a rainy day?
- The article that cannot be used to stop bleeding by dressing is _________.
- 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?
- What should be checked before driving?
- What is the meaning of this sign?
- When following other vehicles on a foggy day, what should the driver do?
- What is the meaning of this sign?
- When rescuing the injured, it is necessary to ________.
- What is the meaning of this sign?
- What kind of harmful effect will be brought about by continuously using the foot brake on a long downhill road?
- What is the meaning of this sign?
- When a motor vehicle temporarily stops in fog, which lamp should be turned on?
- 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 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.