What it the text mainly about 、

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• 1By saying “We needed them yesterday” (paragraph7), Stover means that snake-like robots_____  .

  A.could help handle the aftermath of Hurricane Katrina

  B.would have been put to use in past rescue work

  C.helped rescuers search flooded houses yesterday

  D.were in greater need yesterday than today

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• 2Choset believes that his invention _____  .

  A.can be attached to an electronic arm

  B.can be used by hobbyists is model airplanes

  C.can find victims more quickly than a sniffer dog

  D.can sense its way no better than its operators

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• 3Which institution is responsible for the development of Choset’s robots 、

  A.Robodics Trends .

  B.Pittsburgh City Council

  C.Carnegic Mellon University .

  D.Federal Emergency Management Agency .

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• 4Which of the following is the author’s main argument 、

  A.It’s cheap to self-treat your own illness.

  B.It’s embarrassing to discuss your bad habits.

  C.It’s reasonable to put up a medical website .

  D.It’s dangerous to be your own doctor

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• 5According to the study of Brown Medical School , _____ .

  A.more than 6 million Americans distrust doctors

  B.only 1/10 of medical websites aim to make a profit

  C.about 1/10 of the websites surveyed are of high quality

  D.72 of health websites offer incomplete and faulty facts

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