______ is even more important is ______ as the earth cooled down, water began to appear on its surface.

试卷相关题目

• 1—I drove to Shanghai for the 2010 Expo last week. — Is that _____  you had a few days off?

  A.because

  B.why

  C.what

  D.where

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• 2To pay to see that movie will be foolish ______ you can see it on TV for nothing.

  A.where

  B.when

  C.however

  D.that

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• 3______ online shopping has accounted for a large part of the total purchase volume, many people think the traditional shopping style is irreplaceable.

  A.Because

  B.Once

  C.Unless

  D.Although

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• 4Jone's father was among the first to make his fortune in ________ is now known as the most fantastic tourist attraction—Hawaii.

  A.where

  B.what

  C.which

  D.that

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• 5―Where did you get to know her? ―It was on the farm_______we both once worked in the 1970s.

  A.that

  B.which

  C.when

  D.where

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• 6_______some people some here for a short break , others have decided to stay forever.

  A.Because

  B.If

  C.Once

  D.While

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• 7He had to be called two or three times ______ he would come to his dinner.

  A.before

  B.when

  C.until

  D.as

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