What is this passage mainly about、

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• 1By using computers as an example, the author wants to prove that _____.

  A.advanced products meet the needs of people

  B.products of the latest design fold the market

  C.competitions are fierce in high-tech industry

  D.everyday goods need to be replaced often

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• 2Why do more choices of goods give rise to anxiety、

  A.Professionals find it hard to decide on a suitable product.

  B.People are likely to find themselves overcome by business persuasion.

  C.Shoppers may find themselves lost in the broad range of items.

  D.Companies and advertisers are often misleading about the rage of choic

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• 3What does the author try to argue in Paragraph 1、

  A.The exercise of rights is a luxury.

  B.The practice of choice is difficult.

  C.The right of choice is given but at a price.

  D.Choice and right exist at the same tim

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• 4Many tours are timed for people to _____.

  A.get down the mountain in time when night falls

  B.avoid the smell from the upwind direction of the cone

  C.enjoy the fantastic eruption against the darkening sky

  D.appreciate the scenery of the 2560-metre-high mountain

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• 5Climbing to the McKenney Cone, people will_____.

  A.walk directly to the active summit

  B.hear the continuous loud noise from above

  C.make greater efforts than to other summits

  D.see a path lined with remains of earlier eruptions

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