The sunspot came into its active stage, __________ that happens once every eleven years.

试卷相关题目

• 1It was probably at that moment _____ I understood what kindness really was.

  A.that

  B.when

  C.which

  D.what

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• 2Although Rosemary had suffered from a serious illness for years, she lost______ of her enthusiasm for life.

  A.some

  B.neither

  C.none

  D.all

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• 3One of the first foreign expeditions _______ Mount Qomolangma arrived in Tibet in 1921.

  A.climbing

  B.climbed

  C.had climbed

  D.to climb

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• 4I prefer to work here because salaries are higher here than ______in my country.

  A.that

  B.the ones

  C.those

  D.one

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• 5— What do you think of modem music? — It is often considered not as good as ___________ of the past.

  A.it

  B.this

  C.that

  D.one

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• 6As the intelligence of robots increases to match ________ of humans，we may use them to expand our frontiers.

  A.it

  B.that

  C.which

  D.the

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• 7—There is only one iPad left in the shop window. Hurry up and buy        home. --No need to hurry. I can buy        on the Internet if none is left in the local market.

  A.it; one

  B.one; it

  C.one; one

  D.it; it

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• 8I would appreciate _____ , to be frank, if you can take care of my pet dog.

  A.you

  B.this

  C.it

  D.myself

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• 9Cars do cause us some health problems, in fact, far more serious ________ than mobile phones do.

  A.one

  B.ones

  C.it

  D.those

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• 10At our factory there are a few machines similar to ______ described in this magazine.

  A.them

  B.these

  C.those

  D.ones

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