The doctor tried to do an experiment to find out the________of the medicine on t

游客2025-03-04 22

问题 The doctor tried to do an experiment to find out the________of the medicine on the mice.

选项 A、cause
B、result
C、reason
D、effect

答案 D

解析本题考查名词词义辨析。A原因；B结果，后果；C原因，理由；D影响。只有D符合句意。故选D。句意为：医生想做一个试验来找出这种药对小老鼠有什么影响。

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