Four Efficient Ways to Improve Your Speech

Four Efficient Ways to Improve Your Speech Use More Facial Expression One psychologist feels that our facial expression is responsible more than anything else for the impression others have of us. In

家用太阳能促使净能的使用

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SSS 2010-08-30

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Engineers are always plugging away to get better energy efficiency out of our products -- like cars that guzzle less gas or light bulbs that burn brighter on f

SSS 2009-02-26

（A segment of President Obamas speech to a joint session of Congress on February 24th dealing with energy and basic research:） We know the country that harnesses the power of clean, renewable energy will lead the 21st century. And yet, it is Chin

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商务口语：怎样介绍电子产品

第一句：This model of typewriter is efficient and endurable, economical and practical for middle school students. 我方这种型号的打字机性能高，耐用，经济，实用，适用于中学生。 A: We are interested in your computer and

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

学个词Learn a Word 第1307期 efficient

今天我们要学的词是efficient。 Efficient, 效率高的。最近研究发现， Efficient people don't strive to get everything done perfectly; they only focus on the most important projects, 高效律的人并不把每一件事都做到完美无

VOA标准英语2008年-Building Small Prototype Homes, an Israeli Sola

By Paul Sisco Washington 08 May 2008 Engineer Hy Brown was the chief engineer of the U.S. World Trade Center in New York City. Years after the terrorist attacks in 2001, he has found a new passion-- developing pre-fabricated solar powered houses in I

VOA标准英语2012--Automakers Marketing More Fuel Efficient, Compact Cars

Automakers Marketing More Fuel Efficient, Compact Cars After 15 years on the assembly line, Detroit autoworker Nicole Current is about to become unemployed. I make truck axles, so as the auto industry tries to get away from the larger size vehicles,

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英语四级词汇与语法精选特训(12)

1.They ____the report to the State Council for approval. A)made B)leave out C)committed D)admitted 2.I ought to have insisted on ____ a thorough rest before you left for New York. A)you to takeB)your taking C)that you takeD)you taking 3.A table made

2006年VOA标准英语-Companies Adopt Environment-Friendly Policies t

By Mil Arcega Washington, DC 06 September 2006 watch report Green Business Many companies are learning they can be both pro-business and pro-environment without hurting the bottom line. In fact, for some, it's been quite profitable. ----- Being envi

PBS高端访谈:司机应该按每英里收费吗?

RICK KARR: Portland, Ore., is at the vanguard of the war to reduce gasoline consumption. You can find evidence all over its downtown area ... and at its car dealerships. EARL BLUMENAUER: We're looking at hybrids, plug-in hybrids, electric cars. There

陨落星辰第一季 第30期:麦克医生(2)

Rebecca and I forged for a couple of hours,and and... 我和丽蓓卡伪装了几小时 后来... it looked like rain, 看样子要下雨了 So... we both figured 所以 我们觉得 it'd be more efficient to split up. 分头行动效率更高 And an

说明文阅读提高方法

说明文阅读提高方法

第270期:一年之计在于晨

《论语》中有这样一句话： 曾子曰：吾日三省吾身；为人谋而不忠乎？与朋友交而不信乎？传不习乎？ 翻成白话是这样： 我每天必定用三件事反省自己：替人谋事有没有不尽心尽力的地方？

【英语时差8,16】利用太阳能-下

PV solar technology is more complex. When sunlight hits a PV cell, electrons in the cell are knocked out of their orbits. Electric fields channel the electrons in a current used to generate electricity。 Unlike thermal solar panels, PV technology is

【英语时差8,16】利用太阳能-上

Did you know that enough sunlight falls on the earths surface every minute to provide energy for the entire world? The trick, though, is turning sunlight into power we can use for things like heating water and making electricity. And there are two ty

英语听力文摘 English Digest 392、最快的车是什么？

What Makes Hybrid Cars So Efficient ? 最快的车是什么？ Don : Hybrid cars are known as hybrid s because they use an electric motor to augment the performance of a small, efficient gasoline engine. But this isnt the only reason hybrid s are mor