Rare but Deadly By Susan Brink /2005, U.S. News World Report . All rights reserved with permission. Distributed by Tribune Media Services International. Simple, cheap blood tests could save thousands

发表于:2018-12-19 / 阅读(92) / 评论(0) 分类 彭蒙惠英语

Pre-Listening Vocabulary rare: not common irrational: not reasonable classified: grouped by like qualities provoke: to excite or bother a living thing and cause a reaction initiate: to be the one to start something delicacy: a type of food that is ra

发表于:2018-12-28 / 阅读(28) / 评论(0) 分类 趣谈英语

RACHEL MARTIN, HOST: Scientists have developed a better test for a very rare brain disease. And as NPR's Rae Ellen Bichell reports, this test could lead to new ways to diagnose more common diseases like Parkinson's and Alzheimer's. RAE ELLEN BICHELL,

发表于:2019-01-16 / 阅读(42) / 评论(0) 分类 2017年NPR美国国家公共电台2月

We are in a really extraordinary place here. I mean this is almost like a time capsule. There is very little landscape change extraordinarily from *. So it is a special place. The unexpected discovery of a rare and actual phenomenon, may also explain

发表于:2019-01-23 / 阅读(83) / 评论(0) 分类 探索与发现2015年

BEIJING, March 15 (Xinhua) -- China's restrictions on rare earth exports are justified and are in line with World Trade Organization rules, Shen Danyang, spokesman for the Ministry of Commerce, said Thursday. The policy aims to protect resources and

发表于:2019-02-08 / 阅读(42) / 评论(0) 分类 英语新闻

Two extremely rare Bengal white tiger cubs have been born at the wildlife center of the Czech Republic's Liberec Zoo, and are proving popular with visitors. These tiger cubs weigh 6 kilos 13 pounds, and were born two months ago. White tigers are the

发表于:2019-03-12 / 阅读(120) / 评论(0) 分类 cctv9英语新闻2016年