What does the underlined word "it" (paragraph 2) refer to、

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• 1The explorers in H. G. Wells' story were surprised to find that the "moon people"

  A.knew so much about the earth

  B.understood their language

  C.lived in so many underground cities

  D.were ahead of them in space technology

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• 2Meeting my uncle after all these years was an unforgettable moment, ________I will always  treasure.

  A.that

  B.one

  C.it

  D.what

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• 3The research is so designed that once________nothing can be done to change it.

  A.begins

  B.having begun

  C.beginning

  D.begun

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• 4It is said in Australia there is more land than the government knows________.

  A.it what to do with

  B.what to do it with

  C.what to do with it

  D.to do what with it

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• 5Having a trip abroad is certainly good for the old couple, but it remains________whether they will enjoy it.

  A.to see

  B.to be seen

  C.seeing

  D.seen

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• 6What sort of underground systems are already here with us、

  A.Offices, shopping areas, power stations.

  B.Tunnels, car parks, shopping areas.

  C.Gardens, car parks, power stations.

  D.Tunnels, gardens, offices.

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• 7What would be the best title for the text、

  A.Alice Cities - cities of the future

  B.Space travel with H.G.Wells

  C.Enjoy living underground

  D.Building down, not up

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• 8More and more people in Britain are buying organic food because________.

  A.they are getting richer

  B.they can get the food anywhere

  C.they consider the food free of pollution

  D.they like home-grown fruit

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• 9Which of the following statements is true to the facts about most organic produce sold in Britain、

  A.It grows indoors all year round.

  B.It is produced outside Britain.

  C.It is grown on family farms.

  D.It is produced on large farms.

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• 10What is the meaning of "the organic trend" as the words are used in the text、

  A.growing interest in organic food

  B.better quality of organic food

  C.rising market for organic food

  D.higher prices of organic food

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