_____ human beings live in great numbers, the waters are very likely to become contaminated.

试卷相关题目

• 1He asked me _____ I would go to Beijing by air the next day。

  A.that whether

  B.whether

  C.how

  D.that

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• 2Nowadays,most people,in order to keep fit,prefer walking to driving _________necessary.

  A.if

  B.unless

  C.in case

  D.as if

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• 3He doesn't visit Mr. Black _______.

  A.as many as he used to

  B.as many as he was used to

  C.as much as he used to

  D.as much as he was used to

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• 4We have just heard a warning on the radio ________ an earthquake is likely to strike that area again.

  A.which

  B.what

  C.that

  D.when

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• 5_______you can easily have lunch in the restaurant around the corner, why do you take the trouble to drive many miles here?

  A.When

  B.Unless

  C.While

  D.Where

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• 6Anyone can borrow books from this library _______ he keeps them clean and returns them in time.

  A.even if

  B.unless

  C.so that

  D.as long as

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• 7The factory _____ I am going to is the place _____ my mother used to work many years ago.

  A.where, where

  B.where, which

  C.which, where

  D.that, which

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• 8He is a man of great knowledge, _____ much can be learned.

  A.in whom

  B.about whom

  C.from whom

  D.of whom

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• 9_____ what he can do. He might get a job tomorrow.  He might stay out of work for weeks.

  A.We didn't know

  B.He doesn't know

  C.There is no knowing

  D.It was known that

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• 10Imagine life as a game ______ you are playing with five balls. You name them---work, family, health, friends and spirit.

  A.where

  B.that

  C.as

  D.which

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