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- 1暑假里最难忘的一件事.
- 2it is much easier for people to prepare meal than has ever been before.这句话里面than
- 3三价铁和亚硫酸根不能大量共存的原因
- 4有what a bad weather这一说么?
- 5lucy wants to eat an big apple.句子改错
- 6I'm sorry______that your mother was ill in hospital last week
- 7如图是一块长方形铁皮把铁皮按阴影部分剪下刚好能焊接成一个容积最大的铁皮水桶(焊接处忽略不计)这个铁桶能装水多少千克?(每立方分米水重1kg结果保留整数)
- 8冬天的哈尔滨是非常美丽的季节修改病句
- 9失败用英语怎么说
- 10要把含有盐酸的氯化钙溶液中和到中性,在不用指示剂的条件下,最好加入的试剂是…( ) A.石灰石粉末 B.氨水 C.氢氧化钠溶液 D.碳酸钠溶液