No direct relationship has been proven between high cholesterol levels and heart attacks. Old people shouldn’t bother to change

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问题 No direct relationship has been proven between high cholesterol levels and heart attacks.
Old people shouldn’t bother to change their eating habits because it’s too late for it to do them any good.

选项 A、Y
B、N
C、NG

答案B

解析 本题的定位词为Old people和eating habits,涉及到老年人的饮食习惯,应锁定文章第九段。该段首句指出Adults,including persons over the age of sixty five,can lower their cholesterol by 30 or 40 percent,这说明改变饮食习惯对老年人也是有好处的。第二句又指出It is never too late to change,再次明确了老人改变饮食习惯的必要性。题干表述与原文矛盾,故答案为N。
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