Lately some scientists are experimenting ___________ white mice to ____________ this kind of medicin

题目简介

Lately some scientists are experimenting ___________ white mice to ____________ this kind of medicin

题目详情


Lately some scientists are experimenting ___________ white mice to ____________ this kind of medicine.
A.on,try onB.with, test onC.on ,test outD.with,carry out
题型:单选题难度:偏易来源:不详

答案

C
句意:最近一些科学家正在在白鼠身上做实验来检测这种药。短语:experiment on 在什么上做实验,test out 检测,测试,所以选C。

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