新东方背诵文选 L50. Cells and Temperature

Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only withi

快捷之路交际英语2 chapter 14

[00:15.60]Is Parking Permitted Here? [00:18.87]这里允许停车吗？ [00:22.15]A. Is Parking permitted here? [00:25.04]这里允许停车吗？ [00:27.92]B. Yes, it is.Thanks. [00:29.95]是的，允许。谢谢。 [00:31.97]A. Are people allowed t

睡眠好 记忆好

Studying for a big exam at school or a presentation at work, but don't forget to get a good night's sleep. Brain scientists report more evidence this week that sleep can improve your memory. Researche

英文短篇故事（纽约）147 Turn the Temperature Up

The refrigerator temperature is too cold, she said. The vegetables are freezing. Can you turn the temperature up? He said, Sure. It's simple. Let me show you how. Then you can do it yourself. She said, Don't show me how. Just do it. You're so lazy. Y

趣味青春英语 第149期:On hold

Idiom: On hold 暂时不做，搁置一段时间 Hit the book: Remote Grid Incentive Apart from Drawback Efficiency Equator Tilt

大学英语四级词汇 025

eat v.吃 echo n./v.回声，回响；共鸣 economic a.经济学的，经济(上)的 economical a.节省的；经济学的 economy n.经济；节约 edge n.边，边缘；刀口，刃 edit vt.编辑 edition n.版，版本 editor n.编者，编辑 ed

六级词汇与结构练习（23）

坚持不懈，直到成功。 我们每天的奋斗就像对参天大树的一次砍击，头几刀可能了无痕迹。每一击看似微不足道，然而，累积起来，巨树终会倒下。这恰

64.It's a Puzzlement

The fine-furniture store where I work has been in business since the 1920s.Recently I received a call from a woman who wanted to replace some chairs from a dining set purchased from us in the 1930s.I

SSS 2011-08-17

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? When a healthy rat smells a cat, it flees. But rats infected with the Toxoplasma brain parasite actually follow cat odors, often presumably to their doom, red in tooth a

英语短文：Cells and Temperature

英语短文：Cells and Temperature Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only within a narrow ra

Cold front to drop temperatures in north China

Cold front to drop temperatures in north China BEIJING, Oct. 20 (Xinhua) -- China's meteorological authorities on Saturday forecast strong winds and temperature drops in most regions in the north due to a sweeping cold front. On Saturday and Sunday,

英语杂谈：101 Temperature-sensitive genes

Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of

地道美语听力播客:Small Talk About the Weather

地道美语听力播客English as a Second Language Podcast (ESLPod)，是一家位于美国加州洛杉矶的英语教育研究机构推出的英文听力会话，于2005年7月23日首播， 主播Dr. Jeff McQuillan为南加州大学的语言学博士

VOA慢速英语 Agriculture Report - Improving 'Feed Efficiency' in Cattle

Agriculture Report - Improving 'Feed Efficiency' in Cattle 农业报道 - 提高牛的饲养效率 From VOA Learning English, this is the Agriculture Report in Special English. 这里是美国之音慢速英语农业报道。 Animal feed is the bigge

TED演讲:我们为什么要排气(3)

At the same time, methanogens can use hydrogen and carbon dioxide produced by other bacteria to generate methane, 同时，产甲烷菌可以使用其他细菌产出的氢和二氧化碳以生成甲烷， which can reduce the total volume of gas by u

TED演讲：每天一秒钟(4)

I was on a three-month road trip this summer. 今年夏天我度了三个月的假。 It was something that I've been dreaming about doing my whole life, 这是我一生梦寐以求的东西， just driving around the U.S. and Canada and just figurin

VOA常速英语2007年-Fuel Efficiency, Gadgets Mark Los Angeles Auto

By Mike O'Sullivan Los Angeles 16 November 2007 Auto makers who are showcasing their latest models at the Los Angeles auto show are expanding product lines in the hope of staying competitive in a changing market. Mike O'Sullivan reports, carmakers fr

英语歌曲:布鲁斯 Tech N9NE - Check Yo Temperature

饶舌:Tech N9NE - Check Yo Temperature 相关介绍 ：2008年9月是Tech N9NE事业的一个里程碑，他的双CD专辑《Killer》突破100万张的销售记录。2009年4月7日，Rock The Bells 2009 Festival邀请他来做演出，今年10月的

托福满分作文范文：关于工作时间

Some people prefer to get up early in the morning to start the day's work; while other people like to get up later in the day to work until late at night. Which option do you prefer? I would choose to get up early in the morning. This view is based o

经济学人243:节能以人为本 Back to basics

Back to basics 节能以人为本 Energy efficiency is not very flashy. That may be a selling point 能源增效并不那么高高在上，也许它还是个卖点。 Hope those are energy-saving bulbs 希望大家都使节能灯泡 WHEN Richard Sanc