All the following factors may increase cancer rates EXCEPT

试卷相关题目

• 1The risk of dying from cancer in developed countries is

  A.double that in developing countries．

  B.much higher than that in developing countries．

  C.the same as that in developing countries．

  D.much lower than that in developing countries．

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• 2According to Paul Kleihues，Cancer was once regarded as

  A.all incurable disease．

  B.a mysterious disease．

  C.a“Western”disease．

  D.a world disease．

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• 3Which of the following statements is NOT correct、

  A.There were 1 0 million cancer patients worldwide in 2000．

  B.Generally，cancer accounted for 12％of all deaths in 2000．

  C.Cancer is the cause of over 25％of all deaths in many countries．

  D.It is expected that global cancer rates will go up by 50％by 2020

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• 4The report says that steps could be taken to reduce about

  A.50% of new cancers．

  B.33％ of new cancers．

  C.12％ of new cancers．

  D.80％ of new cancers．

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• 5Many 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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