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6.Chinese medicine _____ using special plants that can be used for medicine.(  )
A.is normally cookingB.is normally cooked
C.normally cooksD.is normally to cook

分析 中药通常是由可以用来制药的特殊植物煎熬的.

解答 答案:B  
Chinese medicine和cook是被动关系,所以需要用被动语态,本句话是表示一般的情况,所以用一般现在时态.故选择B.

点评 考查时态语态时要注意分析主语和谓语动词之间的关系,还要注意句子所包含的时态信息.

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