今天的GPS出现问题，导致第1个1千米用了15分钟，后面的1千米因为原来的道路施工改变路线，而改变的路又比较黑，灯光不太亮，跑的有点慢，第2个1千米也用了将近15分钟，接近昨天两个1千米的时间了。
明天继续！
Cancer death rate in us sees sharpest one-year drop.
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The cancer death rate in the United States fell 2.2% from 2016 to 2017, the largest single-year单年度的 decline in cancer mortality死亡率 ever reported, the American Cancer Society reported on Wednesday. Since 1991, the rate has dropped 29%, which translates to approximately 2.9 million fewer deaths than would have occurred if the mortality rate had remained constant保持不变.
mortal必死的 Human beings are moetal.Vampires are immortal.人总有一死，吸血鬼是不死的。
Experts attributed the decline to the reduces smoking rates and to advances in lung cancer treatment. New therapies for melanoma 黑色素瘤 of the skin have also helped extend life for many people with metastatic disease转移性疾病, or cancer that has spread to other parts of the body.
But not all populations benefit from prevention and advices in cancer treatment. Although racial disparities种族差异 in cancer care are narrowing在缩小， the American Cancer Society report found that black men were still twice as likely to die of cancer as Asia Pacific islanders men亚太裔美国男性 and 20% more likely likely to die than the that white men.
Ensuring equal access to known cancer prevention and early detection methods would go far to accelerate the progress against overall cancer.
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