We should insist on ourselves ________ enough exercise to keep healthy．

试卷相关题目

• 1Mr．Caraway is said ________．Who do you know has succeeded him?

  A.to have retired

  B.to be retiring

  C.to retire

  D.having retired

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• 2What is new, however, is the scientific attempt ________ whether other planets beyond our own have given birth to advanced civilizations．

  A.discover

  B.discovers

  C.discovering

  D.to discover

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• 3I decided to quit the job, because I felt my boss hard _________．

  A.to be satisfied

  B.to satisfy

  C.satisfied

  D.being satisfied

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• 4Just as the value of a telephone network increases with each new phone ________ to the system, so does the value of a computer system increase with each program that turns out．

  A.adding

  B.to have added

  C.to add

  D.added

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• 5Schools across China are expected to hire 50,000 college graduates this year as short-term teachers ________ increase job opportunities．

  A.help

  B.to have helped

  C.to help

  D.having helped

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• 6Corn is delicious ________ with butter in the eyes of westerners．

  A.when eaten

  B.when to eat

  C.when to be eaten

  D.when eating

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• 7________, the three countries found themselves ________ peacefully instead of by war．

  A.Much to their surprise; united

  B.To their great surprises; united

  C.Much to their surprise; uniting

  D.To their great surprise; uniting

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• 8We should try to find ways to help beginners ________ the basic skills ________ to learn a new language．

  A.request; required

  B.require; acquired

  C.gain; requested

  D.acquire; required

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• 9This kind of fruit ________ large amounts of vitamin, ________ vitaminC.

  A.includes; including

  B.takes; containing

  C.holds; included

  D.contains; including

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• 10This is an illness that can result in total blindness if ________．

  A.leaving untreated

  B.left untreated

  C.leaving untreating

  D.left untreating

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