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  3. In trying to accumulate knowledge about

In trying to accumulate knowledge about

最全题库2022-08-02  50
问题 In trying to accumulate knowledge about the universe and to find common factors which underline and account for the facts that he knows,the scientist often chooses the method of the“controlled experiment.”If he wants to find out the effect of light（ ）growing plants,he takes many plants，as alike as possible.A.onB.ofC.byD.to
选项 A.on
B.of
C.by
D.to
答案 A
解析 on表达“对……起作用或有影响”，要用have an effect on这一固定搭配，故应选A.，其余选项均不正确。
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英语一研究生

研究生入学

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