Board logo

标题: 四级练习2016.06.11 [打印本页]

作者: Rebecca949    时间: 2016-6-24 15:03     标题: 四级练习2016.06.11

[audio]http://sound.yywz123.com/tingbbs/cet4/cet420160611.mp3[/audio]


Researchers at Boston University have identified a kind of genetic signature in people who are likely to live to age 100 or older. The technique may also help doctors predict (1)__________________________, decades before the symptom show up.
Living a long, healthy life tends to run in families. If your grandparents and parents lived into their 90s and remained relatively healthy until the end, there's a pretty good chance you will, too.
So it's pretty clear genetics plays some role in longevity. In this study, the research team developed a new statistical way of analyzing the genetic code of people who had reached age 100 (2)__________________________. Tom Perls, who heads the New England Centenarian Study, explains what they found.
"We discovered 150 or so genetic markers that can highly predict whether or not a person has the genetic propensity to live to extreme old age." Using just that large number of genetic markers, the team was able to predict (3)__________________________.



本帖隐藏的内容需要回复才可以浏览





欢迎光临 英语听力论坛 (http://bbs.tingroom.com./) Powered by Discuz! 7.2