17．We can stay young forever．That is the message Dr．Shen Ziyin wants to give the world．And the Chinese doctor claims that he has found an answer to the problems of aging．
His solution is a herbal medicine to slow the process of aging．
Dr．Shen Ziyin has been trained in Western medicine．At the same time he studied traditional Chinese medicine．And，he has been working for the past forty years to put together the best of both and find a cure for aging．He has taken a hint from the ancient Chinese medicine system called"shen"．
According to Shen，it is the kidney which adjusts the functioning of the body as well as its aging process．It is responsible for the level of activity that the human bodies go through．Studies conducted by Dr．Shen show that herbal medicine based on the shen system slow the aging process，says a report in The Telegraph newspaper．
We notice that when people grow old，they have reduced strength，loss of hair，backache，weakness in general，and wrinkles，among others．This happens because when people grow old，their bodies produce T-cells．These T-cells contain a particular substance called Fas．Fas makes the cells in the body destruct themselves．
So the only way to slow down aging is to slow the production of T-cells in the body．This can happen if people eat low calorie food．Then the body is not active enough to produce extra T-cells．But，is going hungry all the time a good price to pay for staying young？
This is where Dr．Shen's herbal medicine comes in．But how effective it will be，only time can tell．
9．How did Dr．Shen find the solution to the problem of aging？D
A．By studying Western medicine．
B．By learning traditional Chinese medicine．
C．By doing research on both Western and Chinese people．
D．By combining both Western and Chinese medicine．
10．What plays the most important role in keeping people young according to Shen？B
A．Medical treatment．B．People's good kidney．
C．Level of people's activity．D．Positive life attitude．
11．The reason why people become old is thatC．
A．their bodies are unable to fight diseases
B．their bodies produce T-cells
C．they have reduced strength，loss of hair
D．they become weaker and weaker
12．We can probably learn from the passage thatC．
A．people should try to quicken the production of T-cells in the body
B．the more Chinese herbal medicine people drink，the better for health
C．it remains unknown how effective Dr．Shen's herbal medicine is
D．producing more low calorie food allows people to keep young．
分析 本文主要讲述了沈子银医生发现人体老化的问题的答案．他的解决方案是一种延缓衰老的草药．沈子银博士已经在西方医学训练，同时他学习中医．在过去的四十年里他一直工作是为了把中西医两者最好的结合和找到对老龄化的治愈．根据沈的说法，肾脏调节人体功能和变老过程，它负责人类的活动水平．最后经过一系列的研究得出延缓衰老的唯一方法是减慢体内T细胞的产生．如果人们吃低卡路里的食物，那么身体就没有足够的活力来产生额外的T细胞．
解答 9．D 细节理解题，由第二段Dr．Shen Ziyin has been trained in Western medicine．At the same time he studied traditional Chinese medicine．And，he has been working for the past forty years to put together the best of both and find a cure for aging．可知他是结合中西医来延缓人的衰老．故选D．
10．B细节理解题，由第三段According to Shen，it is the kidney which adjusts the functioning of the body as well as its aging process．可知是肾脏协调人体功能和变老过程的．故选B．
11．C细节理解题，由第四段This happens because when people grow old，their bodies produce T-cells．可知人变老是因为身体产生了T-cells，故选B．
12．C理解推断题，由文章最后But how effective it will be，only time can tell．可知这种药的效果还要时间来判断，故选C．
点评 本文考察学生的理解推断能力，抓住文章的关键词，采用寻读的方法查找细节，能根据已知的结果推测导致结果的可能原因．
