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

游客2024-01-20  20

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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