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听力文本：
Questions 5 to 7 will be based on the following news item.
问题5至问题7是基于下面这则新闻。
A recent research showed that the global burden of cancer is shifting dramatically.
一项新的研究表明全球癌症负担在明显转移。
Once considered a disease of the wealthy, it now has a significant impact in every region,
这种曾经是富人易得的病，但是现在却对每一个地区都造成了严重的影响，
and the greatest proportional increases in cases in the coming years are predicted to be in the poorest corners of the world.
在未来几年里却有可能在最贫困的地区增长最快。
Worldwide, an estimated 14.1 million new cancer cases were diagnosed in 2012 and 8.2 million cancer deaths.
2012年，全球约有1410万新发癌症病例，同时有820万患者死于癌症。
In an analysis that maps the world's hot spots for cancer,
在全球癌症热点分布图中，
epidemiologist Lindsey Torre found cancer rates declining in high-income countries but rising in lower-income countries.
流行病学家林德赛·托尔发现：高收入国家的癌症患病率有所下降，而低收入国家的癌症患病率不断上升。
Better screening, early detection and access to treatment plus a decrease in risk factors like smoking
发达的医疗筛查、早期治疗及吸烟等的诱因的减少
probably explain part of the positive trend among the high-income countries.
可以解释发达国家癌症发病率降低的原因。
Question 5.What is the main idea of the news?
问题5 新闻的主题是什么？
Question 6.What did people think about cancer before this research?
问题6 在此研究之前，人们对癌症有什么认识？
Question 7.According to the news, what can possibly help reduce the risk of cancer?
问题7 从新闻中可以了解到，什么因素可以降低患癌症的风险？
译文属可可原创，仅供学习和交流使用，未经允许不得转载
