Scientistsalotofexperimentsona

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更新 2022-09-03
科目英语
题型单选题
难度中等
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挑错有奖

Scientists _______ a lot of experiments on animals, hoping to find and effective way to cure the patients who had AIDS.

A．carried on

B．carried out

C．carried away

D．carried off

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相关试题

I'd like to take________of this opportunity to thank you for your help.

A．advantage

B．case

C．use

D．care

题型：未知
难度：未知

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The head of the company promised to deal with matters of this sort________he returned to his office.

A．until

B．while

C．by the time

D．the moment

题型：未知
难度：未知

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I was not________ that I had cut myself until I saw the blood all over my hand.

A．astonished

B．annoyed

C．conscious

D．afraid

题型：未知
难度：未知

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—Why do you choose to work in an international travel agency?
—Well，you know，English is my ________，so it is my best choice.

A．strength

B．talent

C．ability

D．skill

题型：未知
难度：未知

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The idea for the new plan came to his mind，________ to his experiment in the lab.

A．while devoting

B．while devoting himself

C．while he was devoted

D．while devoted

题型：未知
难度：未知

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