经济学人:分子生物学 蛋白质的奥秘(3)

One common protein-contact prediction is that, if the side chain of one member of a pair of amino acids brought close together by folding is long, 一种比较普通的蛋白质接触预测就是，如果一对氨基酸的一个侧链折叠后很长，

新目标初中英语八年级下Unit 1--A2a

2a [00:03.95]Listen and circle the words you hear. [00:06.47] [00:07.42]OK,now I want to hear everyone's [00:10.62]predictions about the future. [00:12.83]Well,I think there will be more people. [00:16.52]More people? [00:18.60]OK,what else? [00:20.2

法律英语：71 Unlawful Versus Illegal

by Michael W. Flynn Hello, and welcome to a special joint episode of Grammar Girls Quick and Dirty Tips for Better Writing and Legal Lads Quick and Dirty Tips for a More Lawful Life. Grammar Girl here. Todays topic is illegal versus unlawful. Here's

法律英语：07 Can Hospitals Ban Cameras。。。？

by Adam Freedman Todays topic: Cameras in the delivery room. And now, your daily dose of legalese: This article does not create an attorney-client relationship with any listener. In other words, although I am a lawyer, Im not your lawyer. If you need

法律英语：10 Conflict of Interest

by Michael W. Flynn First, a disclaimer: Although I am an attorney, the legal information in this podcast is not intended to be a substitute for seeking personalized legal advice from an attorney licensed to practice in your jurisdiction. Further, I

英语语法：201 Who Versus That

Grammar Girl here. Today's topic is who versus that. Lesley called in with this question: My pet peeve is who versus that, as in You know Bob, he's the guy that sold me my car. It drives me nuts. Or am I mistaken and it's just become part of the new

英语语法：202 Who Versus Whom

Today's topic is who versus whom. I've received three requests from listeners to cover this topic. Here's Noreen: I just wondered if possibly in one of your episodes you could go through the use of who versus whom. I think that's a common misundersta

英语语法：142 "Further" Versus "Farther"

Today's topic is further versus farther. Almost every week someone asks me to explain the difference between further and farther. Three years ago when I was on the Oprah Winfrey Show, a production assistant grabbed me backstage while my head was stil

英语语法：109 Which Versus That

If you're confused about that versus which, don't feel bad. It's one of the most common topics people ask me about. I used to work as a technical writer, and I'd often edit documents in which people used the wrong word. More than once, I'd put in the

英语语法：6 Citing Podcasts and Websites

Grammar Girl here. Today's topic is how to deal with electronic citations. Listener Question Now to get started, here's a listener question: Hi, Grammar Girl. My name is Laura and I am a teacher of 9th-grade English and a big fan of your podcast. I'v

英语语法：157 Always, Never, Usually, Often, Most

by Mignon Fogarty Today we'll discuss words you should never use and words you should always avoid--or something like that. As many of you know, before I was Grammar Girl, I was a science and technology writer. Even as an undergraduate, my instructor

英语语法：11 Grammar Manners

Grammar Girl here. Today's topic is how to correct other people's grammar. Dr. David asked about how he can correct other people's grammar without losing friends or sounding like a snob. A couple of people, whom I won't name, asked how to deal with b

数学英语 06 How to Calculate Mean Values

by Jason Marshall In the last article, we talked about averages and one specific way statistics can help answer questions without letting emotions interfere. But the type of average value we talked about is just one of manyuseful meanings assigned to

数学英语 14 How to Use the Golden Ratio

图片1 图片2 by Jason Marshall Despite many peoples assumption to the contrary, math is undeniably artistic. It takes a tremendous amount of creative muscle and artistry to devise mathematical solutions. And, as made evident by their frequent batt

影视金曲：《丑女贝蒂》片尾曲：The Panics - Don't Fight It

本歌出自美剧《丑女贝蒂》第三季第八集片尾曲。演唱者来自澳大利亚的一支独立摇滚乐队。 The Panics - Don't Fight It I have no other way There is a price to pay For what the man will say That I was a million miles a

英语语法：13 Interviewing Tips

Grammar Girl talks about the difficulties she encountered trying to use a spreadsheet to organize her upcoming book, and explains how paper solved the problem. There is no transcript for this video podcast. This show was not scripted. Please forgive

20 top predictions for life 100 years from now

20 top predictions for life 100 years from now Last week we asked readers for their predictions of life in 100 years time. Inspired by ten 100-year predictions made by American civil engineer John Elfreth Watkins in 1900, many of you wrote in with yo

趣味青春英语电台 第267期:Quick fix

Idiom: Quick fix ( temporary solution ) Hit the book: Subtle Glide Shudder Backfiring Pressurization Precautionary Construe Droll Subtle noises are not the ones to worry aboutComplete silencesuggesting all/both the engines have failedwould probably c

ADB lowers China's 2012 growth prediction

BEIJING, July 12 (Xinhua) -- The Asian Development Bank (ADB) on Thursday lowered its prediction for China's economic growth to 8.2 percent in 2012 and 8.5 percent in 2013, although a bank official said a hard landing is unlikely. The ADB made the re

美语听力 English Cafe 232

Topics: The Godfather; Graceland and Elvis; to hinder versus to hamper versus to impede; the hunt is on; quick and dirty tips Words: godparent mafia bribery corruption brutal to legitimize stillborn sideburns the rest is history mansion recording stu