A nurse has to take care not to（）air into the bloodstream of her patients.

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• 1Whenever Betty attended one of her children's performances, she managed to keep a pokerface. The underlined part means（）.

  A.expressionless

  B.absent-minded

  C.distracted

  D.calm

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• 2When you vacate the room, you should（）the door key to me.

  A.hand in

  B.hand out

  C.hand down

  D.hand over

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• 3According to official statistics, retail sales in China rose 10% and12.2% in the first and thesecond quarter（）this year.

  A.accordingly

  B.correspondingly

  C.respectively

  D.individually

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• 4Four years of service entitle Jack（）a pension.

  A.on

  B.in

  C.at

  D.to

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• 5A German firm is making a take-over（）for a property company.

  A.application

  B.bid

  C.proposal

  D.suggestion

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• 6It’s getting darker and darker. I am afraid a heavy rain is（）.

  A.impacting

  B.impeaching

  C.impeding

  D.impending

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• 7The reflexive pronoun (反身代词）in “Now I’m quite myself again" is used as a(n)

  A.predicate.

  B.object.

  C.appositive.

  D.predicativ

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• 8（） I understand what you say, I can't agree with you.

  A.While

  B.When

  C.How

  D.What

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• 9Humble（） it may be, there's no place like home, （） he may go.

  A.like; when

  B.as； wherever

  C.although; where

  D.which; wherever

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• 10On no account（）ever leave the baby at home alone.

  A.should you

  B.you should

  C.shall you

  D.you shall

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