2. 职称英语
  3. No direct relationship has been proven between high cholesterol levels and heart

No direct relationship has been proven between high cholesterol levels and heart

游客2023-09-17  57
问题 No direct relationship has been proven between high cholesterol levels and heart attacks. [br] Diet and physical qualities which passed down from our parents affect ______, a natural substance in the liver blood.
选项
答案 the amount of cholesterol
解析 本题应锁定文章第四段。该段第二句提到The amount of cholesterol is affected by diet and by physical qualities we inherit from our parents。因此，本题应填入he amount of cholesterol。题干将原文的被动语态改为了主动语态，并将段首句改写成了所填词的同位语。
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