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  3. No direct relationship has been proven between high cholesterol levels and heart attacks. Boys have a higher risk of developing

No direct relationship has been proven between high cholesterol levels and heart attacks. Boys have a higher risk of developing

admin2009-04-23  60
问题 No direct relationship has been proven between high cholesterol levels and heart attacks.
Boys have a higher risk of developing heart disease than girls.
选项 A、Y
B、N
C、NG
答案C
解析 第四段提到It occurs earlier in boys than in girls．说明的是得心脏病的时间，而不是风险哪个更高。题干偷换了原文比较的内容。
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大学英语四级

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