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同义句转换 A group of students will try their best to save the earth.
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My house has three _______ . It has enough_______ for you to hold a dance party here.
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衣服上的油污,在家中可以用汽油洗净,也可以用洗涤剂洗净,其原理分别是什么?
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Do you like to watch the horror movies? She asked me.(合为一个句子)
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(sin3xsinx)sin2x+(cos3xcosx)cos2x =1/ 2 [(cos2x-cos4x)sin2x+(cos2x+cos4x)cos2x] 是怎么变的
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