2017雅思阅读之吸烟的害处
出国留学网雅思考试栏目诚心为广大考生提供“2017雅思阅读之吸烟的害处”，下面就请小伙伴们跟小编一起来了解一下吸烟都有什么害处吧，不仅科普健康知识还能做到雅思阅读的训练哦! Smoking leaves an "archaeological record" of the hundreds of DNA mutations it causes, scientists have discovered. Having sequenced thousands of tumour genomes, they found a 20-a-day smoker would rack up an average of 150 mutations in every lung cell each year. The changes are permanent, and persist even if someone gives up smoking. Researchers say analysing tumour DNA may help explain the underlying causes of other cancers. Pamela Pugh, 69, was diagnosed... [ 查看全文 ]2017雅思阅读之吸烟的害处的相关文章
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