What was a new use for wind power in the late l9th century、

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• 1From the text we know that windmills ________.

  A.were invented by European armies

  B.have a history of more than 2,800 years

  C.used to supply power to radio in remote areas

  D.have rarely been used since electricity was discovered

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• 2Passenger 2 is most probably    .

  A.a poster about a lecture

  B.an ad for a new book

  C.a note to a doctor in a university

  D.an introduction to a professor

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• 3What can be learned from Passenger 2、

  A.There will be a book show at Grayson Hall

  B.Friedman is now studying the Great Barrier Reef.

  C.There will be a talk on global warming this week.

  D.Friedman is a leading expert on computer scienc

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• 4How does Mr. Cool manage to travel the Information Highway so fast、

  A.By storing fewer files.

  B.By repairing the system.

  C.By buying a better computer.

  D.By using a broad-band connection.

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• 5The Information Highway ________.

  A.is free from traffic accidents

  B.is crowded with car drivers

  C.offers just a few on-line services

  D.appeals to a large number of users

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• 6One of the reasons wind was rediscovered in the 1970s is that _______.

  A.wind power is cleaner

  B.it is one of the oldest power sources

  C.it was cheaper to create energy from wind

  D.the supply of coal and gas failed to meet needs

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• 7What would the author probably discuss in the paragraph that follows、

  A.The advantages of wind power.

  B.The design of wind power plants.

  C.The worldwide movement to save energy.

  D.The global trend towards producing power from wind.

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• 8Which of the following was a challenge for Corbett in climbing Half Dome、

  A.To climb up to remove the spikes.

  B.To climb it twice.

  C.To do 5,000 pull-ups up the rope.

  D.To lock the rope in plac

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• 9Why did the two men never talk about climbing when they first met、

  A.Corbett was poorly trained.

  B.Wellman had lost interest in climbing.

  C.Corbett didn’t want to hurt Wellman.

  D.Wellman hadn’t decided whether to climb again.

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• 10What do we know about Wellman、

  A.He climbed Half Dome by himself.

  B.He was disabled in a traffic accident.

  C.He stopped rock-climbing for some time.

  D.He was saved by Corbett during the climb.

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