Generally speaking, when___ according to the directions, the medicine has no si
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Generally speaking, when___ according to the directions, the medicine has no side effect.| A．taken | B．taking | C．to take | D．to be taken |
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答案
| A |
解析
| 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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