吉林大学远程教育学院  
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Exercise and Health (Ⅰ)

There’s a fat in the blood called low-density cholesterol that many authorities believe is associated with heart attacks.

血液中含有一种脂肪叫作低密度胆固醇. 许多权威人士认为这种脂肪与心脏病突发有关.

“ that many authorities believe is associated with heart attacks.” 为定语从句. “that” 既为引导词同时又是定语从句中的宾语从句的主语.


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