单词：retardation formula
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The Mercury Mess By Samantha Levine / 2004, as first appeared in U.S. News nbsp; What are the dangers of mercury in fish? Can the mercury mess be cleaned up? 1 Are these fish safe to eat?” It’s a
彭蒙惠英语
Rare but Deadly By Susan Brink /2005, U.S. News World Report . All rights reserved with permission. Distributed by Tribune Media Services International. Simple, cheap blood tests could save thousands
彭蒙惠英语
A Formula for Writing Success By Karen Asp/ Writer’s Digest Incorporate courage, passion, patience, persistence and talent in your writing, and you will be a success 1 Forget about buying the newest
彭蒙惠英语
Im really into motor racing. Especially Formula One. It really is one of the most glamorous and exciting sports. Of course, its one of the fastest. Im amazed by the speed of the cars and how skillful the drivers are. Id love to drive a Formula One ca
纯正英语一分钟
Every week, more children arrive to work in the hundreds of primitive mines in the bush. Here they endure long hours at dangerous jobs, wringing flecks of gold from the dirt with mercury. One of them is a 12-year-old boy named Saliou. Momodou is just
自然百科2016年
[00:07.05]The World Health Organization says about 600,000-- 300 babies got H-I-V, [00:15.39]the virus that causes AIDS, from their mothers in 1998. [00:20.48]It says 90% of those babies were in African countries south of the Sahara Desert. [00:28.71
美国英语听力80篇
Im really into motor racing. Especially Formula One. It really is one of the most glamorous and exciting sports. Of course, its one of the fastest. Im amazed by the speed of the cars and how skillful the drivers are. Id love to drive a Formula One ca
听一分钟英文-F
Lewis Hamilton could be a British champion A young British Formula One racing driver has made history by breaking records for the best ever debut for a newcomer to the F1 drivers championship. Lewis Hamilton is just 22 years old and has competed in
Take Away English
People start stereotyping early. Even toddlers react positively to members of their own race, but often distrust those from different groups. The seeds of racism are planted in most everyone. Everyone, that is, except people with a rare genetic condi
60秒科学
By Lisa Schlein The UN Children's Fund, UNICEF, says Iodine Deficiency Disorders, which cause mental retardation, are a huge problem in Europe and Central Asia. UNICEF says this disorder can be solved
VOA2004（下）--健康科技
People start stereotyping early. Even toddlers react positively to members of their own race, but often distrust those from different groups. The seeds of racism are planted in most everyone. Everyone, that is, except people with a rare genetic condi
Scientific American(四)月
Time now for StoryCorps. This oral history project is traveling the country, collecting interviews between friends and families. Today we hear from a daughter and her father. --My name is David Warm, I'm 51 years old. --My name is Mary Warm, and I'm
2006年NPR美国国家公共电台
BUENOS AIRES, March 15 (Xinhua) -- The route for the Formula One Argentine Grand Prix, to be held on 2013, 2014 and 2015 by the South American country in Mar del Plata city, at 400 kilometers south of Buenos Aires, was published in a local auto racin
英语新闻
This is the VOA Special English Health Report. Deep inside each cell in our body is all the genetic information needed for life. Human genes are normally organized along forty-six chromosomes -- twenty-three from each parent. David Petersohn of Libe
VOA慢速英语2008年（九）月
This is the VOA Special English Health Report. Human genes are normally organized along forty-six chromosomes in our cells, twenty-three from each parent. A school for people with Down syndrome in Mexico City But some people are born with an extra c
VOA慢速英语2009年（九）月
By Carol Pearson Washington 14 January 2008 For years autism has baffled researchers and devastated families. Autism typically appears in the first three years of life. Symptoms include problems with communication, difficulty forming relationships an
VOA标准英语2008年（一月）
The Lacandon are direct descendants of the Maya peoples who live in the jungles of the Mexican state of Chiapas. Until the mid-20th century, they had little contact with the outside world. As a result, the indigenous group was almost extinct. Today
VOA标准英语2009年(五月)
RIO DE JANEIRO, Nov. 10 (Xinhua) -- Rio de Janeiro mayor Eduardo Paes is reportedly preparing a bold proposal to bring Formula 1 to the Brazilian city. Paes is seeking talks with Formula 1 CEO Bernie Ecclestone about the prospect of making Rio Brazil
英语新闻
1930 formula 今天我们要学的词是 formula.Formula 是名词，有配方的意思。Researchers at the University of Iowa say they may have found the formula for online dating success. 美国爱荷华大学的研究人员说，他们可能找到了
英语单词荟萃
这是一个令人心酸的故事，每个人都有权憧景新的生活，但年仅八岁的Philip除外，因为他缺乏憧憬未来的必要条件一个健康鲜活的生命，所以看看他的new life愿望吧，你一定被会为你的幸福感动
英语美文