Which of the following is NOT true of Crystal Ear7

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• 1Initially the writer did not want t0 buy a hearing aid because

  A.it would make him look old．

  B.it would make him nervous．

  C.it was too expensive．

  D.it was old-styled．

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• 2Since 1992，cancer death rates among black Americans

  A.have been going up and down．

  B.have remained stable．

  C.have increased．

  D.have fallen．

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• 3Public policy and education efforts may help to do away with

  A.death rates．

  B.various cancers．

  C.unfair social differences．

  D.biological differences．

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• 4Cancer is more treatable if it is．detected

  A.in an early stage．

  B.in a late stage．

  C.a110fa sudden．

  D.together with other diseases．、

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• 5Which may NOT be a reason for higher cancer death rates among US blacks、

  A.Unequal access to medical Care．

  B.Greater probability of having other diseases． ．

  C.Differences in the biology of the cancer． 、

  D.Early diagnosis．

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• 6One special feature of Crystal Ear is that

  A.you can control its volume．

  B.you needn’t take it off everyday．

  C.it is solar-powered．

  D.it saves power．

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• 7According to the passage，hearing loss is

  A.only a minor health problem．

  B.the world’s most common health problem．

  C.merely a teenage disease．

  D.an incurable disease．

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• 8Many people leave their hearing problem untreated because

  A.it is not serious．

  B.Crystal Ear is not yet available．

  C.it is not easy to have it treated．

  D.they don’t want to look old．

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• 9What factor can be attributed to German prosperity、

  A.Technology transfer．

  B.Good management．

  C.Hard work．

  D.Fierce competition．

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• 10Which of the following is NOT true of traditional university research、

  A.It is free．

  B.It is profit-driven．

  C.It is widely available． ．

  D.It is curiosity—driven．

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