【題目】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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【題目】Franklin told them all to be in Britain again.
A. how happy was he B. how happy he was
C. how was he happy D. how he happy was
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【題目】— Would you like to help look after the children _____ I do the shopping?
— I’d love to!
A.sinceB.asC.whileD.for
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【題目】The pot ______ for ______ hot water.
A.used; keepingB.was used; keeping
C.is used; to keepD.are used; keep
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【題目】The top leaders of the two countries are holding talks in a friendly_________ .
A. atmosphere B. state
C. situation D. phenomenon
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【題目】When he came back, his _________ look on his face, he failed in the interview.
A. disappointed B. disappointing
C. encouraged D. encouraging
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【題目】Everyone knows fire is very useful in our daily life, it is also dangerous.
A. so B. or C. because D. but
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【題目】In boxing, players should wear gloves and mouth guards ________ anything dangerous happens.
A.in vainB.in a wordC.in debtD.in case
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【題目】–_____ did you work out the problem in such a short time? --With Mr. Li’s help.
A. When B. Where C. How D. Which
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