答案:D
7.According to the text, the UK scientists have known that ________.
A.men have fewer cells than women when they are born
B.women can produce the cells that make the heart beat
C.the female heart suffers less loss of the cells with age
D.women will never suffer the loss of pumping power with age
解析:细节理解题。根据第五段的第一句“What amazes scientists is that the female heart suffers very little loss of these cells”可知答案为C。
答案:C
8.If you want to live a long life, you should ________.
A.enable your heart to beat much faster
B.think about the reason for ageing
C.take regular exercise
D.stop your cells from being lost
解析:细节理解题。根据最后一段的内容可知,男人经常进行锻炼可以拥有健康的心脏,女人经常进行锻炼可以抵制腿部的肌肉衰弱无力。因此,要想长寿,就要积极锻炼。
答案:C
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