大学英语大学英语大学英语四级(CET4)2000年1月大学英语四级(CET-4)真题试卷

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• 21According to the researchers, cream sours fast than butter because bacteria ________.

  A.are more evenly distributed in cream

  B.multiply more easily in cream than in butter

  C.live on less fat in cream than in butter

  D.produce less waste in cream than in butter

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• 22According to Brocklehurst, we can keep cream fresh by ________.

  A.removing its fat

  B.killing the bacteria

  C.reducing its water content

  D.altering its structure

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• 23The word “colonies” (Line 2, Par

  A.4) refers to ________.A.tiny globules

  B.watery regions

  C.bacteria communities

  D.little compartments

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• 24Commercial application of the research finding will be possible if salad cream can be made resistant to bacterial attack ________.

  A.by varying its chemical composition

  B.by turning it into a solid lump

  C.while keeping its structure unchanged

  D.while retaining its liquid form

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• 25She ought to stop work; she has a headache because she ________ too long.

  A.has been reading

  B.had read

  C.is reading

  D.read

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• 26Niagara Falls is a great tourist ________, drawing millions of visitors every year.

  A.attention

  B.attraction

  C.appointment

  D.arrangement

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• 27I don’t mind ________ the decision as long as it is not too late.

  A.you to delay making

  B.your delaying making

  C.your delaying to make

  D.you delay to make

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• 28The hopes, goals, fears and desires ________ widely between men and women, between the rich and the poor.

  A.alter

  B.shift

  C.transfer

  D.vary

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• 29Corn originated in the New World and thus was not known in Europe until Columbus found it ________ in Cub

  A.A.being cultivated

  B.been cultivated

  C.having cultivated

  D.cultivating

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• 30The sale usually takes place outside the house, with the audience ________ on benches, chairs or boxes.

  A.having seated

  B.seating

  C.seated

  D.having been seated

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