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- 1一英里等于多少米?
- 2----Peter was so excited__he received an invitation from his friend to visit the 2010 Shanghai Expo.
- 3长方形的长是a+3,宽是3a-1,当长方形的周长为12时,a的值为( )A.0 B.1 C.二分之五 D.3
- 4写出下面词语的近义词喜欢,漂亮,特别,兴奋.
- 5you'd better speak as---english as you can.A more B many C much D little
- 6有哪些故事书是中英互译的?
- 7在数轴上找一点使其到-4 ,-3,-1,1,3点的距离和最小
- 8有机物A和B只由C、H、O中的2种或3种元素组成,等物质的量的A与B完全燃烧时,消耗氧气的物质的量相等,则A与B相对分子质量之差(其中n为正整数)可能为( ) A.12n B.14n C.16n D.18n
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- 10根据所做的蚯蚓在什么物体表面爬得快探究实验完成下列问题 (1)实验步骤: ①实验组: