From space, the earth looks blue. This is ________ about seventy-one percent of its surface is covered by water.

试卷相关题目

• 1The camera is _________ expensive _________ I can't afford it.

  A.so; that

  B.such; that

  C.so; as to

  D.enough; that

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• 2_______ the sports meet will be held depends on the weather.

  A.Whenever

  B.If

  C.Whether

  D.That

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• 3Accurately, my granny has got no hobbies at all ______ you think watching TV as one.

  A.if

  B.while

  C.after

  D.unless

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• 4It's much easier to make friends ________ you have similar interests.

  A.unless

  B.when

  C.even though

  D.so that

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• 5I don't like the way _______Tom speaks to his mother. Which one is wrong?

  A.that

  B.in which

  C.by which

  D./

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• 6To keep healthy, you should eat any of the food that is offered on the table _______ it is not well cooked.

  A.if

  B.until

  C.that

  D.unless

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• 7It is helpful to put children in a situation _____ they can see themselves differently.

  A.that

  B.when

  C.which

  D.where

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• 8I was glad to meet Jenny again,________ I didn't want to spend all day with her.

  A.but

  B.and

  C.so

  D.or

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• 9That dog ought to be destroyed ________ it attacks any more children.

  A.until

  B.since

  C.after

  D.before

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• 10_______ we have planned ahead might change when we put it into practice.

  A.Whatever

  B.Whenever

  C.Whoever

  D.However

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