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标题: 六级练习2012.03.06 [打印本页]

作者: Rebecca949    时间: 2012-3-21 14:11     标题: 六级练习2012.03.06

[audio]http://sound.yywz123.com/tingbbs/cet6/cet620120306.mp3[/audio]



Getting a flu shot can help prevent influenza. But now, a large study in Britain indicates that older adults who get an annual flu vaccination are less likely to suffer a heart attack. (1)_________________________________, age 40 and older. Researcher Niroshan Siriwardena of Britain's University of Lincoln led the study.
"Our research suggests that flu shots are associated with a reduction in relative risk of heart attack in adults by about 19%." (2)_________________________________. The results were mathematically adjusted to reflect the fact that (3)_________________________________ are more likely to get a flu shot.



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作者: kobe    时间: 2012-3-21 15:43

貌似播放不了
作者: susan.sui    时间: 2012-3-22 10:59

1.the study included more than 78,000people
2.the reduction was even higher 21% for people who got vaccination in the flu season.
3.the people who are higher risk for heart attack first place.




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