________from space, the earth, with water_____seventy percent of its percentage, looks like a “blue ball.”

试卷相关题目

• 1She spent as much time as she could _____ over her lessons

  A.go

  B.to go

  C.going

  D.went

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• 2When ______ help, one often says “Thank you.” or “It's kind of you.”

  A.offering

  B.to offer

  C.to be offered

  D.offered

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• 3Americans eat____ vegetables per person today as they did in 1990

  A.more than twice

  B.as twice as many

  C.twice as many as

  D.more than twice as many

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• 4On a rainy day I was riding my bike to pick up my son _______ a terrible accident happened ahead.

  A.who

  B.which

  C.while

  D.when

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• 5He_________ to paint the whole house but finished only the front

  A.set about

  B.set off

  C.set out

  D.set in

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• 6If you were to do it,the result______different

  A.will be

  B.would be

  C.should be

  D.would have been

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• 7If you really want yourself to be in good health, you must＿＿＿always＿＿＿so much.

  A.not； be smoking

  B.not； have smoked

  C.not； to smoke

  D.be not； smoking

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• 8Mike did the homework _______ it took me.

  A.one-third a time

  B.one-third the time

  C.a one-third time

  D.one-third time

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• 9I often watch CCTV-9, ________ I have learned a lot of new words and expressions.

  A.from which

  B.of which

  C.to which

  D.which

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• 10________ you met the foreigner from Canada?

  A.Where it was that

  B.Who it was that

  C.Where was it that

  D.Where was that

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