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更新 2022-09-03
科目英语
题型单选题
难度较易
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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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　 ---I was afraid you could not _____ .

A．walk up

B．go up

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Our teachers promised to attend our class meeting, but they haven’t ____ yet.

A．turned up

B．turned out

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Your article will have to be _____ to fit into the magazine.

A．cut out

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---What’s wrong with Jane?
---A letter from home _____ an attack of homesickness.

A．sent out

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The students were told to _____ their English before going abroad.

A．give up

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