In experiments ________ young teens are allowed to sleep as long as they want, they tend to sleep an average of 9 hours.

试卷相关题目

• 1There stood the tower ________ grew many pine trees.

  A.around which

  B.where

  C.in which

  D.below that

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• 2There was not a single person in the street ________ she could turn for help.

  A.whom

  B.to who

  C.to whom

  D.for whom

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• 3He left his motherland in the year ________ the second World War broke out.

  A.that

  B.which

  C.when

  D.where

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• 4Mr Lu Xun, ________ works we have read some, was one of the greatest writers in the world.

  A.his

  B.whose

  C.of whose

  D.for whom

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• 5The scientist made a telescope ________ he could study the skies.

  A.with which

  B.through which

  C.that

  D.which

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• 6During his first year, Chaplin acted in 35 films, many of ______ he wrote and directed himself.

  A.who

  B.whom

  C.that

  D.which

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• 7We will be shown around the city, school, museums, and some other places, ________ other visitors seldom go.

  A.what

  B.which

  C.where

  D.when

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