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

游客2025-03-11 8

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

解析考察几个名词词义，A原因，起因；B结果；C理由；D影响。只有D符合题意。

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