________ reducing pollution, man should pay more attention to conserving energy.

试卷相关题目

• 1Studying alone, you are free to choose what to learn and when, ____ you don't need others' agreement.

  A.while

  B.if

  C.though

  D.as

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• 2Although a large _______ of money ______ used and a great ______ of doctors and nurses lost their lives in fighting against SARS, we were able to win the battle in the end.

  A.number; was; amount

  B.amount; was ; number

  C.amount; were; number

  D.number ; were; many

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• 3—What has made him upset recently? — ________ alone to face a troublesome milk case.

  A.Left

  B.Being left

  C.Having left

  D.To leave

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• 4I want a large,________ box that won't break easily to contain some useful things.

  A.genuine

  B.solid

  C.violent

  D.slight

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• 5The sign “NO PARKING” on the pavement means you ________ leave your car here.

  A.can't

  B.needn't

  C.won't

  D.mustn't

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