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【单选题】
消毒是消灭、清除停留在环境中的( )
A.
细菌
B.
芽胞
C.
细菌加病毒
D.
病原体
E.
微生物
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【简答题】You should write a short essay based on the following question.Suppose you are going to prepare a gift for your mother‘s birthday. What gift would you like to choose and why?写作导航1．指出最好的生日礼物应该来自于孩子；2．从...
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