John will not be able to go to the movies tonight because _____ a class.

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• 1It is ridiculous that he _____ unable to read and write after two years of learning.

  A.is

  B.be

  C.might be

  D.would be

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• 2Work in parapsychology(灵学)， _____ ，has attracted a relatively small number of scientists.

  A.is a very controversial field

  B.which a very controversial field is

  C.a very controversial field

  D.a field very controversial which

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• 3More middleaged persons suffer from heart trouble than _____ realized.

  A.generally

  B.most people

  C.what people

  D.is generally

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• 4_____ ，this liquid will dissolve almost anything.

  A.Enough time given

  B.Giving enough time

  C.Given enough time

  D.To give enough time

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• 5As a resulf of new technique _____ ,the yields as a whole increased by 25%.

  A.working out

  B.having been worked out

  C.having worked out

  D.to have been worked out

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• 6Allen placed too much _____ on sports and not enough on his studies.

  A.agitation

  B.emphasis

  C.hesitation

  D.interest

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• 7The police officer issued a _____ for the man′s arrest.

  A.legend

  B.parcel

  C.receipt

  D.warrant

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• 8Solid geometry has enabled astronomers to calculate the positions of the heavenly bodies _____ one another.

  A.on top of

  B.next to

  C.in spite of

  D.relative to

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• 9Certain pine trees are deliberately dwarfed for _____ purposes.

  A.constructive

  B.dimensions

  C.ornamental

  D.decorated

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• 10It is _____ that the earth could be destroyed in a collision with another planet or huge meteor.

  A.highly unlike

  B.unlikely high

  C.unlikely highly

  D.highly unlikely

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