step by step 第四册 lesson 145

UNIT 73 RADIO PROGRAM (Ⅲ) Lesson 145 Part Ⅰ Warming-up Exercises Note-taking: Radio Program Reminders 1. VOA / Breakfast Show / Fill Owen a. _____________________ b. report on ___________ c. El Gr

【英音模仿秀】为垃圾DNA正名

模仿文本： That was a headline on September 5th, the end of the concept of junk DNA. Actually, geneticists had long abandoned the idea that our genomes are riven with all the rubbish. But what was once called junk was largely still unexplored. 译

新视野大学英语 读写教程第三册 unit8-a

Unit 8 Section (A) Legal and Moral Implications of Cloning At first it was just plain surprising. Word last week that a scientist named Ian Wilmut had succeededin cloning an adult mammal an achievement long thought impossible caught the imagination o

小紫带你轻松学美剧 第23期

《绝望主妇》原句： We have to get rid of the car. But we cant sell it. The police might find it, and there could be DNA. 单词词组讲解 Get rid of sth/somebody 摆脱 发音讲解 Get rid of 的t吞音，d连读 最后翻译: 我们必须把

异类之不一样的成功启示录 第7期:序言(7)

I remember going to Roseto for the first time, and you'd see three-generational family meals, all the bakeries, 我记得第一次来到罗赛托的时候，看到祖孙三代一起用餐, 看到很多面包师； the people walking up and down the s

专业术语—基因专业词汇E/F/G

E 电泳 electrophoresis Ellis - van Creveld syndrome 酶 enzyme 外显子 exon F 家族性地中海热 familial Mediterranean fever 荧光原位杂交 fluorescence in situ hybridization (FISH) 脆性

专业术语—口腔生理学术语R1(英文详解)

Rest Position - a position the jaw adopts when at rest with the lips lightly together. Reticular fibres - are fine type III collagen fibres forming a net-like supporting framework or reticulum. They a

TED演讲:论生物多样性(3)

We are living on a planet with a lot of activities, with reference to our living environment,done by faith and guess alone. 我们对于这个地球上所发生的许多现象,都只是通过信念或猜测来认知。 Our lives depend upon these cre

TED演讲:医学的未来?也许是手机上的一个应用程序(1)

A couple of years ago when I was attending the TED Conference in Long Beach, 几年前我参加在长滩TED会议的时候， I met Harriet. 我遇到了哈里特。 We'd actually met online before not the way you're thinking. 实际上我们以前在网

SSS 2009-07-03

This is Scientific American's 60-second Science. I'm Christie Nicholson. Got a minute? We might think perfect pitch is an innate talent. Well, a study in the American Journal of Human Genetics is providing some evidence for that. Perfect pitch, aka a

SSS 2010-08-06

One of the concerns about working with genetically modified crops has been that vegetation growing in agricultural fields might escape out into the world. Now, for the first time in the U.S., researchers report a large population of GM crops beyond t

SSS 2012-05-04

Heres a tale of genes, smells and pigs. Most people have two copies of a gene that enables them to detect a steroidal pheromone called androstenonewhich is found in male mammals, particularly porkers. But most pigs in developed countries have been ch

SSS 2012-05-03

Most people have two copies of a gene that enables them to detect a steroidal pheromone called androstenonewhich is found in male mammals, particularly porkers. But most pigs in developed countries have been chemically castrated. Which means much les

SSS 2012-03-05

This is Scientific American 60 science, I am Charles Q. Choi! Psoriasis is an autoimmune diseasethe immune system mistakenly attacks its own body, causing red, itchy, scaly patches on the skin. But there may be a hidden upside. People with psoriasis

2006年NPR美国国家公共电台十月-We're All Different in Our Own Ways

Welcome to This I believe, an NPR series presenting the personal philosophies of remarkable men and women from all walks of life. I believe in honor, faith and service I believe that a little outrage can take you a long way. I believe in freedom of s

NPR 2009-03-02

From NPR News in Washington, I'm Carol Van Dam. A powerful winter storm is dumping snow on southern states including Alabama and Georgia, and is soon expected to blanket North Carolina before it turns northward. The system is expected to dump severa

NPR 2010-06-11

The Secretary of the US Army delivers a stinging indictment today against those accused of sloppy record keeping at Arlington National Cemetery. And John McHugh tells the families of those resting in that hallowed ground that he is deeply sorry. Toda

US Job Growth Grinds to a Halt in August

U.S. job growth ground to a halt in August as government layoffs erased meager gains in the private sector. The Labor Department says American businesses added only 17,000 jobs last month, far short of the 100,000 jobs analysts were expecting. To mak

南极岛屿上罕见的黑化企鹅

Rare black penguin in the Antarctic islands The penguin, believed to be suffering from a condition known as melanism, was spotted on Fortuna Bay, a sub-Antarctic island of South Georgia, about 860 miles off the Falklands. 这只被认为患有黑化症

与美国小学生一起学英文第12册 第7期:突变

Mutation 突变 Do you know about mutations? 你知道突变吗？ A mutation happens when the DNA structure in a gene changes. 当基因的DNA结构发生变化时就会发生突变。 Once a mutation happens, the change can't be reversed. 突变一旦