题目内容

分析氧氟沙星滴眼液的处方,并简述制备过程。 【处方】 成分 含量 作用 氧氟沙星 0.3g () 地塞米松 0.02g () EDTA 1.0g () 对羟基苯甲酸乙酯 0.03g () 氯化钠 0.85g () 36%醋酸 0.1ml () 蒸馏水 加至100ml ()

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What type of sentence is "Jim has failed in the exam though he has been working hard. "?

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______is the author of The Scarlet Letter, a novel concerned with the life of Puritans in

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