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最佳答案:In high school we all dream of the University, to study hard and to the. Often t
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最佳答案:I'mcurious that why she desire to do part-tine at college.我是手译的 上面机器译的不好
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最佳答案:When we consider why we should atten d universities,different people have diffe
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最佳答案:化学计量数原本即可以表示物质的分子数(微观),也可以表示物质反应时的物质的量.但当化学计量数为分数时,你可以将其理解为表示的是物质的量.在化学反应中,反应前后原