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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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2025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：
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科目四试题
- At the scene of a traffic accident, once there is a leakage of toxic and harmful substances, people must be evacuated at the first time and alarmed immediately.
- What should motor vehicle drivers do when parking temporarily on a rainy day?
- Rescue personnel should check the breath of the unconscious person before applying any other emergency treatment.
- When a motor vehicle stops in snow, which lamp should be turned on?
- When a motor vehicle encounters an accident, the driver should pay attention to whether there is fuel leakage, pipeline rupture, so as avoid accidents.
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- Gun powder, explosives and detonating powder belong to which of the following dangerous chemicals?
- When encountering a vehicle in front ascending on a mountainous road covered with ice and snow, what should the motor vehicle driver do?
- What is the meaning of this sign?
- What is the meaning of this sign?
- When the wounded person is suffering main artery bleeding, where should the rescue personnel press by thumb to stop the bleeding?
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- Matches, sulfur and red phosphorus are _________.
- Which of the following is a bad habit when changing lanes?
- Dangerous chemicals possess the characteristics of explosion, inflammation, poison, erosion and radiation.