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【单选题】
人在月球上跳起的高度是地球上的几倍，这是因为（）A.
月球上没有空气，浮力小
B.
人体的质量变轻了
C.
月球对人体的引力比地球对人体的引力小
D.
人体的弹跳能力发生了本质变化
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举一反三
【简答题】阅读理解。 I first went to Harrow in the summer term. The school had the biggest swimming pool I had ever seen. It was a good joke to come up behind a naked boy, and push him into the pool. I made quite a ...
【简答题】阅读理解。 I first went to Harrow in the summer term. The school had the biggest swimming pool I had ever seen. It was a good joke to come up behind a naked boy, and push him into the pool. I made quite a ...
【简答题】先进生产力的集中体现和主要标志是（ ）。
【单选题】颈外动脉从颈总动脉分出后,沿途分出6个分支
A.
甲状腺上动脉、舌动脉、面动脉、咽升动脉、枕动脉、耳后动脉
B.
甲状腺上动脉、舌动脉、面动脉、咽升动脉、颞浅动脉、耳后动脉
C.
甲状腺上动脉、上颌动脉、面动脉、咽升动脉、枕动脉、耳后动脉
D.
颞浅动脉、上颌动脉、面动脉、咽升动脉、枕动脉、耳后动脉
E.
其他
【简答题】科学技术是先进生产力的集中体现和主要标志。 ( )
【简答题】阅读理解 I first went to Harrow in the summer term.The school had the biggest swimming pool I had ever seen. It was a good joke to come up behind a naked boy, and push him into the pool.I made quite a hab...
【简答题】阅读理解。 I first went to Harrow in the summer term. The school had the biggest swimming pool I had ever seen. It was a good joke to come up behind a naked boy, and push him into the pool. I made quite a ...
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