Overpopulation is a terrible threat to the human race.Yet it is probably ____ a threat to the human race than environmental destruction.

试卷相关题目

• 1I still remember ______ the grand school used to be a abandoned airport two years ago.

  A.how

  B.where

  C.when

  D.why

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• 2---Why don't you go to medical college and be a doctor? ---Oh. It calls for a great deal of ______with long training, which I am afraid I don't have.

  A.strength

  B.energy

  C.wisdom

  D.patience

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• 3For a long time they walked without saying_________word. Jim was the first to break _________ silence

  A.the; a

  B.a; the

  C.a; 不填

  D.the; 不填

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• 4_____ you arrive in Ireland, you will quickly find yourself on the beautiful country roads.

  A.Since

  B.While

  C.Once

  D.Until

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• 5Mr Lin, a famous writer, ______ our school last week.

  A.visits

  B.will visit

  C.is visiting

  D.visited

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