10年前，癌症病人在发现疾病后平均生存5.4年，现在已经达到6.7年_爱下问搜题

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问题单项选择题

10年前，癌症病人在发现疾病后平均生存5.4年，现在已经达到6.7年。这说明，医疗水平的提高使癌症病人存活的时间延长了。
上述结论依赖于下述哪一假设

A．10年前接受治疗的病人数目与现在相近。

B．10年前购买医疗保险的人不如现在多。

C．10年前癌症诊断技术水平与现在相近。

D．10年来癌症病人的职业类型没有什么变化。

答案

参考答案：C

解析：C项是题干论证所必需的假设；否则，如果十年前癌症诊断技术水平远远不如现在高，那么，很有可能十年前经诊断发现的癌症病人大多已到了中晚期了，而现在由于诊断水平提高，很可能早期的癌症病人被发现，所以，癌症病人在发现疾病后平均生存时间变长，这并不能说明现在的医疗水平提高了。

完形填空

We are living a fast life. It seems that everything has to be fast, for example,         food, fast Internet, fast roads, fast money. Every day we try to get things done         , but there are some moments that we have to slow down and enjoy our lives.
We are always          every day. I have to work eight hours or more a day at my full-time job. When I get home, it’s always over seven o’clock. I make an effort（努力） to         something. I try to find a bit of time for my hobby—writing. I hardly ever write and work        weekends. Those are my days to try to recharge （休整）and reduce the stress from my work. I sleep on the sofa during the day,          some beer in the open air or go out for a picnic if the weather is nice.
What I’m trying to say is this: if you don’t take some time to slow down once in a while（偶尔） and        your life, it will pass you by. You can be unhealthy both in body and mind if you don’t take the time to relax. So this weekend, don’t make any         . Just get up on Saturday morning           your body says it’s time to get up. Make some coffee, step outside and get         fresh morning air, turn on the radio and prepare yourself for nothing.

问答题简答题

简述冠心病的国际康复治疗分期。