单词：retrospective cohort study
单词：retrospective cohort study 相关文章
[00:00.00]Module 1 LEARNING METHODS [00:05.51]UNIT 2 You have to study [00:08.39]hard to get good results. [00:11.22]1 Listen and read. [00:15.40]Get Good Results in Your Exams! [00:19.95]You must understand the correct way to study [00:23.25]if you
外研社新标准初中英语九年级
A 10-year-old refugee known for his artistic ability has held his first art show and donated all the money raised to a sick Serbian boy. Farhad Nouri has been called the little Picasso for his pictures and photographs. The Associated Press reported t
2017年VOA慢速英语(八)月
Joe DeCapua 15 April 2010 Over the years, theres been debate over when to start HIV-positive patients on anti-retroviral drugs, or ARVs. At first the standard practice was to wait until a persons immune system had nearly collapsed. But a growing body
VOA标准英语2010年(四)月
Books and Arts; Damien Hirst retrospective； 文艺；书评；达米安赫斯特回顾展； Is nothing sacred?The Tate Modern stamp of approval； 无所尊重吗？泰特现代美术馆的准入章； Damien Hirst may be rich and famous, but he d
经济学人文艺系列
LOS ANGELES, June 9 (Xinhua) -- Senior U.S. performers in Los Angeles and elsewhere are generally happy with their lives as artists, although they still face age discrimination, a study published Thursday showed. Focusing on actors, dancers, choreogr
英语新闻
Money may not buy you happiness, but happiness can improve your financial bottom line. A study by researchers from University College London finds that young people who report a higher level of happiness and satisfaction with their lives earn higher
英语新闻