用Mp3背六级单词004

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经济学人:分子生物学 蛋白质的奥秘(3)

One common protein-contact prediction is that, if the side chain of one member of a pair of amino acids brought close together by folding is long, 一种比较普通的蛋白质接触预测就是，如果一对氨基酸的一个侧链折叠后很长，

02-A Boy With a Mission 男孩的使命

In 1945, a 12-year-old boy saw something in a shop lineage 2 adena window that set his heart racing. But the pricefive dollarswas far beyond Reuben Earles means. Five dollars would buy almost a weeks groceries for his family.Reuben couldnt ask his fa

北极环境变化威胁北极熊生存空间

Changing Arctic Conditions Threaten Polar Bears 北极环境变化威胁北极熊生存空间 American researchers spent two summers studying polar bears on the Arctic sea ice. They found that sea ice, where polar bears spend much of their lives, is

美国小学英语教材5:第12课 与海军上将伯德同游小亚美利加(10)

The Sun Returns to Little America 阳光再普照至小亚美利加 For days the twilight hours which had numbered less than four in the middle of the long southern night had been lengthening, a little at a time. 在漫长的南方之夜中，能看到

第二册第9篇：夜

9 Night 夜 Nathaniel Hawthorne 纳撒尼尔霍桑 Night has fallen over the country. Through the trees rises the red moon, and the stars are scarcely seen. In the vast shadow of night the coolness and the dews descend. I sit at the open window to en

自考英语（二）60讲 Lesson 47

本讲为 2006 年下半年新的教学内容，请对照教材、练习册和语法书听录音！ It takes me 5 yuan to buy this watch. The watch costs me 5 yuan. Unit 9 Text A 重点词语 classify

8-12 根据自身性格选择健身方法

Find the Type of Exercise That Best Suits Your Personality Recent research at the University of Florida has revealed that the secret of sticking to an exercise programme is to select one that reflects

精美英文欣赏:Night 夜色

Night has fallen over the country. Through the trees rises the red moon and the stars are scarcely seen. In the vast shadow of night the coolness and the dews descend. I sit at the open window to enjoy them; and hear only the voice of the summer wind

十八届三中全会热词之司法改革（3）

3.基尼系数 Gini coefficien 国家统计局局长马建堂首次披露过去10年全国居民基尼系数的变化后，北京也将适时公布本地区的基尼系数。 Beijing will release its own Gini coefficient for 2012, a National Bureau o

VOA慢速英语 200707030041

This is the VOA Special English Agriculture Report. An American expert in food science technology has won a major international award. Philip E. Nelson has been named winner of the Two Thousand Seven World Food Prize. World Food Prize Foundation Pres

VOA慢速英语 2008 0412

This is IN THE NEWS in VOA Special English. President Bush announced this week that he is not ready to order more troop withdrawals from Iraq. Fifteen months ago, he ordered a temporary increase of thirty thousand troops. The last of those troops ret

英语美文：一份爱的礼物

我有钱啦!鲁本一本正经地告诉店主。店主走向橱窗，取出鲁本梦寐以求的东西。鲁本一路狂奔到家，冲进前门。妈妈正在厨房擦洗灶台。瞧，妈妈！瞧！鲁本一边跑向她一边大叫着。他把一个

奥巴马演讲视频：Congress Should Reform No Child Left Behind This Year

This week, I went to Memphis, Tennessee, where I spoke to the graduating class of Booker T. Washington High School. Graduations are always happy occasions. But this commencement was especially hopeful because of just how much the kids at Booker T. Wa

英语小达人 418 A Boy with a Mission(4)

The shadows were lengthening when Reuben arrived at the factory. The sack buyer was about to lock up. 鲁本赶到工厂，厂房的影子已被夕阳拉得很长了。收购麻袋的人正要锁门。 Mister! Please don't close up yet. 先生！请先

China prepares for Spring Festival travelers

BEIJING, Jan. 6 (Xinhua) -- Train stations are instituting seasonal measures on Monday to cope with large numbers of travelers during the upcoming Spring Festival holiday. Starting from Monday, passengers will be able to buy train tickets up to 20 da

经济学人:紧缩的办公室 都是管理学惹的祸

Ever-smaller offices 紧缩的办公室 Pressed suits 正如缩水套装 Feeling a bit cramped? Blame management theory 挤？都是管理学惹的祸 PROJECT gold and Project Nexus sound like plans for bank heists or military assaults. In reality, t

US Artists Hurdle Over Israel’s Barrier

The barrier separating Israel from West Bank Palestinian territories is the theme of a Washington exhibit by a dozen U.S. and Canadian-based artists. Each gives a different representation of what the artist views as an obstacle to peace. The curator

实用口语：用英文说护肤和化妆

My Beauty Regimen 我的养颜之道 Every morning: In my bathroom cabinet you will find facial cleanser to cleanse my skin every morning and night together with a facial toner. In the mornings, I wash my face using the cleanser and rinse it off with

PBS高端访谈:消防队员谈加州森林大火的巨大影响

MORI ROTHMAN: Battalion chief Mike Brown has been fighting fires in California for 26 years. But he's never seen a fire quite like the Blue Cut Fire in southern California's San Bernardino county, 60 miles east of Los Angeles. MIKE BROWN: It was like