Gunpowder was used extensively in firearms prior to 1990.(  

Gunpowder was used extensively in firearms prior to 1990.(  )A.in B.around C.fro

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Did you do that to irritate her?(  )

Did you do that to irritate her?(  )A.tease B.attract C.annoy D.Protect

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原型操作阶段相当于加里培林的    阶段。

原型操作阶段相当于加里培林的    阶段。

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根据下列文章,请回答题。Crystal EarOne daya friend asked my wife Jill if

根据下列文章,请回答题。Crystal EarOne daya friend asked my wife Jill if l wanted a hearing

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Nightingale’s parents did not approve of herdecision

Nightingale’s parents did not approve of herdecisionA.to workas a docto B.to car

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