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63. What is the meaning of this sign?
A. Bump road
B. Low-lying road
C. High outburst road
D. Hump bridge
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：
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科目四试题
- When rescuing a person sustaining full-body burns the rescue personnel may spray cool water to his body to put out the fire.
- What is the meaning of this sign?
- When approaching a vehicle on a narrow slope, which one of the following ways is correct?
- Which lamp should be used when motor vehicles pass hrough an intersection at night where there is no traffic light signal?
- What is the meaning of this sign?
- What is the meaning of this sign?
- What is the meaning of this sign?
- When driving on a long downhill road, which is the best way to control the speed?
- 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 is the meaning of this sign?
- Which lamp should be turned on when motor vehicles pass through a road section at night where the street light condition is good?
- What is the meaning of this sign?
- What influence does smoking have upon driving?
- What is the meaning of this sign?
- What is the meaning of this sign?
- When rescuing a wounded person who has been poisoned by toxic gas, the first measure is to send him to a place where air is fresh so that he will not continue to be poisoned.