2. 外语
  3. No direct relationship has been proven between high cholesterol levels and heart attacks. More than twice as many people had th

No direct relationship has been proven between high cholesterol levels and heart attacks. More than twice as many people had th

admin2009-04-23  94
问题 No direct relationship has been proven between high cholesterol levels and heart attacks.
More than twice as many people had their blood cholesterol levels checked in 1990 as in 1983.
选项 A、Y
B、N
C、NG
答案B
解析 倒数第三段提到了数字，1983年是35%，1990年是65%，并非twice。
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大学英语四级

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