Các nhà vô địch Grand Slam trong lịch sử.


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Một số Links về Economics.

Adam Smith: http://nghiencuuquocte.org/2015/06/26/adam-smith/ http://nghiencuuquocte.net/2013/07/02/adam-smith-economic-revolution-1776/  Chủ nghĩa trọng thương : http://nghiencuuquocte.org/tag/chu-nghia-trong-thuong/   http://nghiencuuquocte.org/2015/03/08/chu-nghia-trong-thuong/  http://nghiencuuquocte.org/2015/07/28/so-sanh-chu-nghia-tu-do-va-chu-nghia-trong-thuong/ http://nghiencuuquocte.org/2013/11/07/buoc-ngoat-kinh-te-hoc-tk-20/ John Maynard Keynes:  http://nghiencuuquocte.org/2015/05/27/john-keynes/ http://www.bbc.co.uk/history/historic_figures/keynes_john_maynard.shtml  http://nghiencuuquocte.org/2016/03/30/hieu-chinh-keynes-chu-nghia-tu-ban/ http://nghiencuuquocte.org/2016/03/07/nhin-lai-ly-thuyet-tong-quat-cua-keynes-sau-80-nam/ http://www.project-syndicate.org/commentary/keynesian-policy-at-80-economic-recovery-by-robert-skidelsky-2016-02 http://nghiencuuquocte.org/2013/08/15/44-john-maynard-keynes/ http://nghiencuuquocte.n...
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NGUỒN HỌC TIẾNG ANH HAY NHẤT.

Đây là trang web của Cambridge chuyên về sửa writing:  writeandimprove.com Luyện chép chính tả online: www.listen-and-write.com Luyện nói online: www.talkenglish.com Luyện đọc hiểu online: www.eslfast.com Luyện nghe online: www.esl-lounge.com Tra từ điển online: http://dictionary.cambridge.org/ Luyện chép chính tả còn 1 nguồn khác cũng rất tuyệt đây bác ạ: http://www.dictationsonline.com/ Từ điển hình ảnh (visual dictionary) online "đỉnh" nhất: http://www.visualdictionaryonline.com/ Công cụ Text-to-Speech đỉnh nhất: https://www.naturalreaders.com/online/ Công cụ phiên âm (transcription) cho cả câu rất "cool": https://tophonetics.com/
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BBC: How exercise in old age prevents the immune system from declining

Source: http://www.bbc.com/news/health-43308729  http://cafebiz.vn/vi-giao-su-82-tuoi-nay-van-so-huu-mot-he-mien-dich-o-tuoi-20-bi-quyet-cua-ong-la-gi-2018031313283768.chn Doing lots of exercise in older age can prevent the immune system from declining and protect people against infections, scientists say. They followed 125 long-distance cyclists, some now in their 80s, and found they had the immune systems of 20-year-olds.Prof Norman Lazarus, 82, of King's College London, who took part in and co-authored the research, said: "If exercise was a pill, everyone would be taking it. "It has wide-ranging benefits for the body, the mind, for our muscles and our immune system." The research was published in the journal Aging Cell. Prof Janet Lord, director of the Institute of Inflammation and Ageing , at the University of Birmingham, and co-author of the research, said: "The immune system declines by about 2-3% a year from our 20s, which is why older peop...
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