单词：Methylomonadaceae
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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
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
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
初学者听力文摘精选
[00:00.00]Unit 7 Complaints [00:04.41]While you listen [00:10.27]You are going to hear someone talking about a weekend away at a hotel. [00:16.14]So,how was York,then? [00:21.29]Oh,it was good,We had a great weekend,It's brilliant place to spend a fe
创新国际英语教程 学生用书 2
Todd: Hello, Yoko. Yoko: Hello, Todd. Todd: How are you? Yoko: Good. How are you? Todd: Good. OK. We're gonna talk about trains. Yoko: OK. Todd: Do you take the train everyday? Yoko: Yes, I have to. Todd: Oh, really? Yoko: Yeah, cause I don't have a
英语访谈对话
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
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
以 Bumpy Ride 而一炮走红的瑞典/刚果新人歌手Mohombi，去年发布了与RB巨星Akon合作的新曲Dirty Situation，如今已发布专辑 Movemeant。 他是第一个签入著名瑞典音乐制作人RedOne旗下的新歌手，单曲 Bu
天籁音乐
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 Barbara Schoetzau New York 14 March 2006 The non-profit Women's Commission for Refugee Women and Children has introduced a series of recommendations to significantly reduce incidents of violence ag
2006年VOA标准英语（三月）
By Matt Steinglass Hanoi 29 May 2007 Communist Party candidates have been elected to more than 90 percent of the seats in Vietnam's National Assembly. The government announced the results of the May 20 election on Tuesday. Matt Steinglass reports fro
2007年VOA标准英语（五月）
By Alisha Ryu Nairobi 22 March 2007 Following a day of heavy fighting in the Somali capital, Mogadishu, the Ugandan commander of the African Union peacekeeping mission in Somalia is urging several African countries, who have pledged to contribute tr
2007年VOA标准英语（三月）
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
By Caty Weaver IN THE NEWS -July 6, 2002: WorldCom This is Steve Ember with the VOA Special English program IN THE NEWS. Several major American companies have admitted recently to dishonest reporting
教育与新闻
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)
Choose the word or phrase which best completes each sentence. 1. He has to know you for a long time before he really begins to come out of his ___. a . shoe b . hell c . shed d . hole 2. I tell you I know for certain that Lisa will be promoted to man
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