Lately some scientists are experimenting ___________ white mice to ____________

Lately some scientists are experimenting ___________ white mice to ____________

题型:不详难度:来源:

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

答案
C
解析
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。
举一反三
        money, people usually tend to spend more than they have to.
A.In the eyes ofB.Regardless ofC.In terms ofD.In place of

题型:不详难度:| 查看答案
--I failed in the driving test.
--Don’t be so disappointed.      , you’ll have one more chance of trying it.
A.At allB.After allC.In allD.Above all

题型:不详难度:| 查看答案

. Jack is always occupied __________ his work, which makes him have no time to stay with his family.
A.byB.forC.withD.to

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When it comes to repairing refrigerators, Paul is superior ________ Bob.
A.onB.atC. byD.to

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.In the job interview, all the applicants are judged _______ their educational background and working experience.
A.in terms ofB.in favor ofC. in spite ofD.in need of

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