The descendants of longtime urban dwellers show increased genetically driven resistance to tuberculosis, due to evolutionary selection pressure over millennia. Christopher Intagliata reports 城市长久居住民的后代,经过数千年的自然选择

发表于:2018-12-07 / 阅读(100) / 评论(0) 分类 60秒科学

Emerging economies such as China, India and South Africa are discovering there is a downside to prosperity. As incomes rise, health can decline. On Monday, the U.N. opens a high-level meeting on non-communicable diseases that usually have been associ

发表于:2018-12-19 / 阅读(70) / 评论(0) 分类 VOA双语新闻 2011年8月

I have a trivia question for you, Don. What do the Ebola virus, anthrax, and the avian flu have in common? 唐,我有个小问题想问你,埃博拉病毒、炭疽热和禽流感这些疾病有哪些共同的特点? Researching Disease 疾病研究

发表于:2018-12-28 / 阅读(45) / 评论(0) 分类 初学者听力文摘精选

[00:01.54]We know that cars are bad for us. [00:04.16]So why do we carry on using our cars so much? [00:08.19]We all make excuses: [00:09.88]The busess always late! [00:13.26]I haven't got time to walk. [00:15.35]I'm talking about myself,too. [00:17.

发表于:2018-12-29 / 阅读(193) / 评论(0) 分类 北师大版高中英语模块3

How Do Scientists Study Deadly Diseases? I have a trivia question for you, Don. What do the Ebola virus, anthrax, and the avian flu have in common? 图片1 Researching Disease After all, theyre some of the most dangerous, deadly diseases around. On t

发表于:2018-12-31 / 阅读(56) / 评论(0) 分类 英语听力文摘 English Digest

这一代人的生命已经被延长了30年-这三十年并不仅仅是对生命的脚注或一种疾病。简方达在TEDxWomen上提出了我们应当如何度过生命的这个新阶段。

发表于:2019-01-05 / 阅读(181) / 评论(0) 分类 TED公开课:告女性说

[00:06.79]Scottish Scotland puzzled Scots [00:10.17]adj.苏格兰的 n.苏格兰 adj.迷惑的,困惑的 adj.苏格兰人的 [00:13.56]nationality Wales Ireland Northern Ireland [00:16.99]n.国籍 n.威尔士 n.爱尔兰 北爱尔兰 [00:20.43]republ

发表于:2019-01-10 / 阅读(208) / 评论(0) 分类 高中英语人教版高一

[00:00.00]Scottish Scotland puzzled Scots [00:04.79]adj. n.苏格兰人 n.苏格兰(英国) adj.迷惑的;困惑的 adj.苏格兰(人)的 [00:09.59]nationality Wales Ireland Northern Ireland [00:14.97]n.国籍 n.威尔士(英国) n.爱尔兰(欧洲) 北

发表于:2019-01-10 / 阅读(191) / 评论(0) 分类 高中英语词汇

WHO Says Disease is Biggest Threat for Tsunami Survivors 世卫组织称疾病是海啸幸存者最重大的威胁 With millions of people in Southeast Asia living without clean water and proper sanit

发表于:2019-01-11 / 阅读(66) / 评论(0) 分类 VOA2005(上)--海啸灾难纪实

> 27 天气变暖会引发多种疾病 DATE=5/25/01 TITLE=ENVIRONMENT REPORT - Effects of Climate Change in the United States BYLINE=Cynthia Kirk (Start at 59

发表于:2019-01-26 / 阅读(70) / 评论(0) 分类 自然探索

> 25 美国官方提出要预防来自动物的传染疾病 DATE=5-22-01 TITLE=AGRICULTURE REPORT - Preventing Infections from Animals BYLINE=George Grow (Start at 59

发表于:2019-01-30 / 阅读(60) / 评论(0) 分类 自然探索

31 世界卫生组织呼吁预防传染性疾病 DATE=6-4-01 TITLE=DEVELOPMENT REPORT - WHO/Infectious Diseases BYLINE=Jill Moss (Start at 59

发表于:2019-01-30 / 阅读(174) / 评论(0) 分类 自然探索

FAO: Animal to Human Disease More Likely 粮农组织警告动物来源疾病的传播 About 70 percent of the new diseases that have infected humans in recent decades have come from animals. The U.N. Food and Agriculture Organization warns its getti

发表于:2019-01-31 / 阅读(54) / 评论(0) 分类 VOA常速英语2013年(十二月)

Warmer Temps Trigger More Disease升温引发更多疾病 Climate change is often associated with extreme weather events, melting glaciers and rising sea levels. But it could also have a major impact on human, animal and plant health by making it eas

发表于:2019-02-01 / 阅读(49) / 评论(0) 分类 VOA常速英语2013年(八月)

DNA Technology Helps Famers Identify Crop Diseases It is often difficult for farmers to identify diseases quickly enough to protect their crops and those on neighboring farms. Now, some farmers are using a simple device directly in the field to find

发表于:2019-02-13 / 阅读(235) / 评论(0) 分类 2019年VOA慢速英语(一)月

In the coming years, I became a medical student. 后来几年,我去了医学院读书。 One of every hundred children born worldwide has some kind of heart disease. 我得知,世界上每一百个新生儿中就会有一个患有某种心脏疾病

发表于:2019-02-14 / 阅读(94) / 评论(0) 分类 TED演讲科学篇

Properly analysed, Fraunhofer lines provide information about the exact chemical make-up of whatever is reflecting the light. 经过恰当分析,夫琅和费谱线可以提供关于任何反光物体的化学组成的确切信息。 Their patterns

发表于:2019-02-16 / 阅读(91) / 评论(0) 分类 经济学人科技系列

sporting house 妓院 (不是体育室) dead president 美钞 (不是死了的总统) lover 情人(不是爱人) busboy 餐馆勤杂工(不是公汽售票员) busybody 爱管闲事的人(不是大忙人) dry goods (美)纺织品;

发表于:2019-02-18 / 阅读(53) / 评论(0) 分类 实用英语

Ata flung herself on her knees before him, and clasped his legs with her arms and kissed them. 爱塔一下子跪在他的脚下,两臂抱紧他的双腿,拼命地吻他。 Strickland looked at Dr. Coutras with a faint smile. 思特里克兰德看着

发表于:2019-02-21 / 阅读(70) / 评论(0) 分类 月亮和六便士

Science and technology 科学技术 Heart disease and the microbiome 心脏疾病与微生物 High steaks 牛排吃越多,心脏病风险越高 Hardening of the arteries may be caused by a malign interaction of meat-eating and intestinal bacteria 肉

发表于:2019-02-24 / 阅读(119) / 评论(0) 分类 经济学人科技系列