单词：nonrandomized risk set
单词：nonrandomized risk set 相关文章
backset, n 挫折，倒退；涡流，逆流＝check 【记】backset＝set back－倒退 【反】hike（n 远足，增加）
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A new study suggests that women who take fish oil supplements lower their risk of breast cancer. Fish oil supplements are a popular way to increase the intake of omega-3 fatty acids, which are thought to have a wide range of beneficial effects, parti
VOA标准英语2010年(七)月
Space shuttle Discovery is preparing to launch on a mission to deliver new supplies and science equipment to the International Space Station. Birds fly past space shuttle Discovery at the Kennedy Space Center in Cape Canaveral, Fla., 24 Aug 2009 The
VOA标准英语2009年(八月)
By David McAlary Washington 15 June 2006 Australian and British researchers say the number of fractured hips is expected to nearly quadruple worldwide by mid-century as the population ages. This means an increasing burden on health care systems unle
2006年VOA标准英语（六月）
MADRID, Jan. 7 (Xinhua) -- FC Barcelona face one of the most difficult games of the season when they face city rivals Espanyol on Sunday night. Newly crowned World Club Champions, Barca travel to the Cornella-El Prat Stadium after starting the weeken
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音乐咖啡厅:Hey Monday - Set Off 相关介绍：Hey Monday是近来比较优秀的一支女声流朋乐队, 签约于Decaydance唱片公司, 成为Fall Out Boy, Panic at Disco, The Academy Is...等的同门师妹, 也是Decaydance旗下继The Hus
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