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Generally speaking, when___ according to the directions, the medicine has no side effect.
A.takenB.takingC.to take D.to be taken
A
考查分词做状语。分词做状语时,如果动词与后面的主语构成主动关系,就使用现在分词的形式,如果构成被动关系,就使用过去分词。本题的take与后面的主语the medicine构成被动关系,故使用过去分词。句意;一般后说来,根据说明服用,这些咬是没有副作用的。故A正确。
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