单词：effective substance
单词：effective substance 相关文章
There are six characteristics of speech, all of which are vital to speak effectively. In this section we'll look at each of them separately. These speech characteristics are basically important to you
疯狂英语2001年
BY STEPHEN R .COVEEY The first habit is 1)proactivity. Be proactive. The word proactivity is fairly common in management literature, but you won't find it in the dictionary. It means more than merely
疯狂英语2001年
[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.69]1997 Passage3 [00:07.32]Technically, any substance other than food [00:10.48]that alters our bodily or mental functioning is a drug. [00:15.31]Many people mistakenly believe the term dru
历年考研英语阅读理解
Dana joins us now live from Washington. So, Dana, you know, what is your take here? Is this typical political theater of someone's who's not going to be re-elected? Or is it a true sign of growing rage over the fact that we're spending money that we
CNN2010年(三)月
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闭着眼睛飘单词 四级词汇
07 牙病的预防与治疗 DATE=2-27-01 TITLE=SCIENCE IN THE NEWS #2113 - (1)Dental Health BYLINE=Nancy Steinbach VOICE ONE: This is Sarah Long. VOICE TWO: And this is Bob Doughty with Science in the
科技之光
By Melinda Smith Washington 31 August 2007 Centuries ago doctors used hypnosis to help relieve the excruciating pain of surgery. It then fell out of favor with the introduction of anesthesia. Now as VOA's Melinda Smith reports, new studies show a hos
2007年VOA标准英语（八月）
[00:06.48]Lack of Vitamin A is the leading cause of blindness among children in deveoping countries. [00:14.55]These children do not get enough Vitamin A in the food they eat. [00:21.11]In Africa,more than 3,000,000 children suffer from blindness or
美国英语听力80篇
SCIENCE IN THE NEWS - Food for Thought: How Vitamins (Once Spelled 'Vitamines') Are Important to HealthBy Nancy Steinbach Broadcast: Mon, 19 Jun 2006 16:00:00 UTC (MUSIC) VOICE ONE: This is SCIENCE IN
2006年慢速英语（六）月
61 不为人们重视的光污染 ENVIRONMENT REPORT - August 31, 2001: Light PollutionBy Mario Ritter （Start at 1'01
自然探索
By Jessica Berman Washington 14 May 2008 Researchers have determined that commonly prescribed triple-drug combination therapies that use old antiviral drugs are the most effective for suppressing the deadly virus that causes AIDS. The findings have m
VOA标准英语2008年（五月）
What's the Matter? Now, the VOA Learning English program, Words and Their Stories. The English language has a number of hard-working words. People use these words in many different ways and in many different expressions. One such example is the word
2014年VOA慢速英语(十一)月
GUY RAZ, HOST: I want to ask you about this really famous Talmudic notion - actually, it might be that in the Quran as well - but this idea that, you know, if you save a single life, then you have saved all of humanity. You know that one? PETER SINGE
2017年NPR美国国家公共电台5月
> 79 如何提取骆驼奶制作乳酪 DATE=8-7-01 TITLE=AGRICULTURE REPORT - Cheese from Camels BYLINE=George Grow （Start at 59
科技之光
81 一年轻妇女死于药品试验 DATE=8-11-01 TITLE=IN THE NEWS #493 - Testing of Drugs BYLINE=Nancy Steinbach （Start at 1'05
科技之光
21 只有部分椰菜可以预防癌症 DATE=3-15-01 TITLE=SCIENCE REPORT - New Broccoli Study BYLINE=George Grow (Start at 58
科技之光
KINGSTON, Nov. 17 (Xinhua) -- Jamaican sprinter Steve Mullings might be banned for life from athletics after found guilty of using the banned substance furosemide Thursday by a three-man disciplinary panel. Mullings' urine sample was found positive o
英语新闻
This is SCIENCE IN THE NEWS, in VOA Special English. Im Bob Doughty. And Im Faith Lapidus. This week, we tell about vitamins. Many jobs must be done with two people. One person takes the lead. The other helps. It is this cooperation that brings succe
英语语言学习
It was interesting as well while we were out on the farm, there were thousands of trees I think out on the farm, so we saw lots of different insects and little animals as well. The most exciting thing I saw was a red back spider, because the red back
英语趣味课堂
18 The Bounding Main 第十八章 浩瀚的海洋 Imagine trying to live in a world dominated by dihydrogen oxide, 请你想像一下，你能不能生活在一个由一氧化二氢主宰的世界里。 a compound that has no taste or smell and is so
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