实用英语综合教程第三册-5

UNIT 5 Text A PRE-READING TASK Exercise 1 Before reading the passage, think over the question. Should a scientist be responsible for the results of his or her work? Why or why not? Now read the passag

VOA常速英语2017--HIV或越“变”越弱

HIV, the virus that causes AIDS, frequently mutates. That has allowed the virus to bypass the immune system and infect about 80 million people over the last 35 years. However, researchers say the rapid evolution of HIV actually may be reducing its ab

SSS 2009-03-20

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Some people are worried that the more we learn about genetics, the closer well get to a day when we can choose all sorts of characteristics for our bab

step by step 第四册 lesson 128

Lesson 128 Part Ⅰ Warming-up Exercises Instruction-following: How to Make a Proper English Tea Tea: 1. boil __________________ 2. __________________ (boiling water) 3. __________________ (1 teaspoon

口腔临床英语对话 第17期:拔牙(3)

It didn't hurt. 不痛。 Aspirate, Miss Jones. 琼丝小姐，吸吧。 Don't hold the aspirator too far back in the patient's mouth. 不要把吸引器往病人嘴里推得太深。 She has a tendency to gag. 他看来要吐得样子。 Give me the

不择手段背单词(636):avulse

avulse, vt （由于意外事故或通过外科手术）把（身体的一部分）撕脱；抽出 【反】link（vt 连结）；suture（vt 缝合）

万物简史 第476期:生命在前进(18)

I have never encountered such s in a book by a professional, Fortey wrote later. 一位专业人员在书里竟然如此怒气冲冲，我可从来没有碰到过，福泰后来写道， The casual reader of The Crucible of Creation, unaware of the h

万物简史 第475期:生命在前进(17)

Writing in the journal Evolution, Dawkins attacked Gould's assertions that evolution in the Cambrian was a different kind of process from today 道金斯在《进化》杂志上的文章里，攻击古尔德关于寒武纪的进化不同于今天的进

美国偶像 It's a Man's Man's Man's World - James Brown

This is a man\'s world This is a man\'s world But it would be nothing Nothing without a woman or a girl You see man made the cars To take us over the road Man made the train To carry the heavy load Man made the electric lights To take us out of the d

美国国家公共电台 NPR Biologist Jonathan Losos Explores 'Convergent Evolution' In 'Improbable Destinies'

ROBERT SIEGEL, HOST: Biologist Jonathan Losos and I have at least one thing in common - we were both blown away by the late paleontologist Stephen Jay Gould's 1989 book Wonderful Life. Gould saw evolution as being all about odd contingencies, acciden

美国国家公共电台 NPR Newly Discovered Andy Warhol Art Up For Auction

SCOTT SIMON, HOST: There's some newly discovered artworks up for auction this weekend in Massachusetts. They're by Andy Warhol, who died more than three decades ago. We don't know how much the works are worth until they sell, but we do know their val

美国国家公共电台 NPR U.S. Health Care Wrestles With The 'Pre-Existing Condition'

LINDA WERTHEIMER, HOST: Tuesday is Tax Day, and we're going to zero in on those tax questions dealing with health insurance. Health care reporter Julie Rovner will help us out with that in a few minutes. First, this reminder of why health care factor

万物简史 第474期:生命在前进(16)

From the first there were a number of scientists who doubted the account that Steve Gould had presented, 从一开始，许多科学家就对斯蒂芬杰伊古尔德的陈说表示怀疑， however much they admired the manner of its delivery, Fortey

NPR边听边练37:寻找心灵里的那一片净土

【NPR边听边练】致力于提供新鲜有趣、饶有意味的时讯资料，致力于通过精听的方式促进听力提高，致力于不断开阔眼界和深入了解美国观点。 精听建议： 先完整地把一条新闻听一到三遍，争

Robertson to clash against Hendry in Snooker China Open

BEIJING, March 26 (Xinhua) -- Seven-time world champion Stephen Hendry edged Martin Gould 5-4 to set up a second-round clash with the Melbourne Machine Neil Robertson in the 2012 World Snooker China Open here on Monday. In the last frame, there were

2013年美国好声音 It's a Man's Man's Man's World - Judith Hill

This is a man's world This is a man's world But it would be nothing Nothing without a woman or a girl You see man made the cars To take us over the road Man made the train To carry the heavy load Man made the electric lights To take us out of the dar

万物简史 第469期:生命在前进(11)

What was most surprising, however, was that there were so many body designs that had failed to make the cut, so to speak, and left no descendants. 然而，最令人吃惊的是，如此之多的体形，打个比方说，却缺少深度、没有留下

万物简史 第467期:生命在前进(9)

The Burgess Shale included a range of disparity in anatomical designs never again equaled, 布尔吉斯页岩化石所包含的横剖面的花色范围是独一无一的， and not matched today by all the creatures in the world's oceans, Gould wrote

影视歌曲：James Brown-It's A Man's Man's Man's World

It's a Man's Man's Man's World是一首James Brown在1966年创作的歌曲，发布于当年的同名专辑中，并作为单曲打榜，获Billboard排行榜最佳RB单曲第1以及Billboard排行榜最热100金曲第8。 This is a man's world, thi

美国国家公共电台 NPR Otis Redding's 'Unfinished Life' Still Resonates

SCOTT SIMON, HOST: It's been just about 50 years since Otis Redding died. (SOUNDBITE OF SONG, SHAKE) OTIS REDDING: (Singing) Shake - let me hear the whole crowd. Shake - everybody sing it. Shake - a little bit louder, shake... SIMON: Otis Redding ign