单词：trimethylconkurchine
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冀教版高中英语必修二
1. A suspious device discovered in the back of an Air France flight was a hoax according to an Air France official. The Boeing 777 was headed to Paris when its polit was reqused emergency landing early Sunday morning in Kenya. 2. An explosion explori
美联社新闻一分钟2015（十二）月
AS IT IS 2016-10-01 Report: Smoking May Permanently Damage Genetic Material 报告称吸烟或永久性损伤你的遗传物质 Here is another reason to not light up a cigarette. Smoking can permanently damage your genetic material, according to a n
2016年VOA慢速英语(十)月
Larry 的新邻居非常吵闹，经常吵得他晚上睡不着觉． Larry问李华有没有什么好办法可以解决这个问题．今天李华会学到两个常用语： to knock it off 和 to conk out。 LL: My neighbors are still making a bunch of noise. I wish that they would just knock it off so
EPT美语 第三级（初高中适用）
This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a
Scientific American(六)月
Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting
Scientific American(三)月
达西瓦向我们介绍在蒙特利尔不能错过的事情，冬天更被小孩喜欢，因为可以打雪仗玩各种游戏，夏天也有夏天的乐趣。 Robin: A lot of our listeners havent necessarily been to Montreal. What types of things wo
话匣子英语
You may have heard that humans and chimpanzees have something like 96 percent of our DNA in common. So why, then, are diseases like cancer so common in humans but so rare in chimps? If our DNA is nearly identical, shouldnt we be at risk for many of t
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Todd: So Sarah, let's talk about sleep. How many hours of sleep do you usually get every night? Sarah: Usually, at least eight. It depends on how late I stay up but usually about eight hours, I try to get every night. Todd: And you are pretty consist
英语趣味课堂
Stomach Cells Happier with Dark Roast Coffee Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to research presented
60秒科学
THE MAKING OF A NATION - James Garfield: Gunfire Ends a Presidency After Only Six Months By Frank Beardsley Broadcast: Thursday, September 29, 2005 (MUSIC) VOICE ONE: THE MAKING OF A NATION -- a progr
The Making of a Nation
M Madasiatic acid 崩大碗酸 Magnoflorine 木兰花碱 Magnolia cortex P.E 厚朴提取物 Magnolol 厚朴酚 Maitake mushroom P.E 灰树花提取物（舞茸提取物） Malonyl Oleanolic acid Hemi
医务英语
AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals
农业与发展
By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the
VOA2003（下）-环境与健康
By Gilbert da Costa Abuja 22 June 2007 Unions in Nigeria have vowed to intensify a three-day old strike called to protest a hike in fuel prices. As Gilbert da Costa reports from Abuja, union officials and government representatives met Thursday night
2007年VOA标准英语（六月）
Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长
经济学人科技系列
> 11 加菲尔德 . 詹姆士在1880年总统大选中胜出 DATE=3-22-2001 TITLE=THE MAKING OF A NATION #133 - JAMES GARFIELD BYLINE=FRANK BEARDSLEY VOICE ONE: The making of a nation -- a program in s
政治经济
Body Clock Provides Clues to Aging 生物钟提供衰老的线索 If youre searching for the fountain of youth, you might find it in your DNA. Thats according to a new study that sheds light on the biological clock ticking in our genomes, why our bod
VOA常速英语2013年(十月)
VIENNA, May 9 (Xinhua) -- The Austrian Olympic Committee (OeOC) nominated a further 13 athletes for its 2012 London Olympic Games team on Wednesday, bringing the total to 37 athletes across 12 sporting disciplines. OeOC President Karl Stoss said he p
英语新闻
BERLIN, Dec. 25 (Xinhua) -- German first division league side Schalke 04 announced Sunday that they have signed Nigerian striker Chinedu Obasi on loan through to season's end from Hoffenheim with an option of a further extension. Obasi, 25, will acco
英语新闻