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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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Los Angeles Times reported that researchers may have found a way to _________ human life by changing certain genes, so that humans might expect to live twice as long.

A．extend	B．preserve
C．multiply	D．transform

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“ Have you visited the Science Museum?”
“ No, but I really wish I ___.”

A．had

B．did

C．have

D．will

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You _________to the meeting yesterday. What was the reason for your absence?

A．had come

B．came

C．would have come

D．should have come

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Without electricity human life _____ quite different today.

A．is

B．will be

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Was it in the village ______ we used to live in _________ the accident happened?

A．that; where

B．which; that

C．where; that

D．which; where

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Is this the reason ______ at the meeting for his carelessness in his work?

A．he explained	B．what he explained
C．how he explained	D．why he explained

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