Because of ______ high demand for Type AB blood, ______ supplies of it are usually limited．

试卷相关题目

• 1There is no perfect person, some people have made _____ success of themselves in spite of what would appear to be ______ weakness in their professions.

  A./, a

  B.a, /

  C.a, a

  D./, /

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• 2On Halloween, Children in costumes ask for candies ____________ shouting “ Trick or Treat”.

  A.from door to door

  B.from one door to door

  C.from one door to one door

  D.from door to another

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• 3There are many idioms used in English _______ quite a few of them come from the Bible.

  A.that

  B.which

  C.and

  D.but

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• 4I thought our friendship was finished ________ Jenny apologized first and I forgave her right then．

  A.when

  B.until

  C.while

  D.unless

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• 5_______ was at the end of the meeting that Mr. Smith made the decision .

  A.This

  B.It

  C.That

  D.不填

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• 6—Mary, new copies of Harry Potter are on sale now. —Great! Let's go and buy ________ this afternoon.

  A.it

  B.that

  C.any

  D.one

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• 7We've tried every _______ to solve the problem.  

  A.approaches

  B.means

  C.ways

  D.methods

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• 8I can't thank you too much for your kindness because without your help I ______ have won the first prize in the speech contest．

  A.can't

  B.shouldn't

  C.might not

  D.couldn't

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• 9You will see this product made in this factory ______ wherever you go.

  A.to be advertised

  B.advertise

  C.advertised

  D.advertising

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• 10Fill in the blanks with articles where ______ ．

  A.necessary

  B.necessarily

  C.is necessary

  D.it necessary

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