【单选题】第三篇GlobalCancer Rates to Rise by 50%by 2020The number of new cancer cases worldwide is expected to increase by 50%by the year 2020.But a new report suggests that as many as a third of new cancers could be avoided by adopting healthier lifestyles and through public health action.The WorldCancer Report,released by the IntemationalAgency for Research onCancer, shows that cancer has now emerged as a major public health threat in developing countries as well as rich ones.Overall,cancer was responsible for 12%of all deaths in 2000.But in many countries more than a quarter of all deaths are caused by cancer. The report shows that 1 0 million new cancers were diagnosed globally in 2000。and that number is expected to rise to 1 5 million by 2020.Researchers say most of that increase will mainly be due to steadily aging populations in both developed and developing countries and current trends in smoking and other unhealthy habits. “Cancer has emerged as a major public health problem in developing countries for the first time,matching its effect in industrialized(工业化的)countries,”said researcher Paul Kleihues。MD,director of IARC,in a news release.“Once considered a‘Western’disease.the Report highlights that more than 50 percent of the world’s cancer burden,in terms of both numbers of cases and deaths,already occurs in developing countries.” Many people leave their hearing problem untreated because
A、It is not serious.
B.CrystalEar is not yet available.
C.it is not easy to have it treate
D、
D、they don’t want to look ol
D、
网考网参考答案:B
网考网解析:
从文章的最后一段可以得知,造成癌症高发率的原因之一便是大量吸烟。
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