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Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only withi

A Grain of Sand

A Grain of Sand 一粒沙子 William Blake/威廉.布莱克 To see a world in a grain of sand, And a heaven in a wild flower, Hold infinity in the palm of your hand, And eternity in an hour. 从一粒沙子看到一个世界， 从一朵野花看到一个天堂， 把握在你手心里的

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An important new industry, oil refining, grew after the Civil war. Crude oil, or petroleum a dark, thick ooze from the earth had been known for hundreds of years, but little use had ever been made of it. In the 1850s Samuel M. Kier, a manufacturer i

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新东方背诵文选 L35.Oil Refining

An important new industry, oil refining, grew after the Civil war. Crude oil, or petroleum - a dark, thick ooze from the earth - had been known for hundreds of years, but little use had ever been made

英语口语1+1:Against the grain

考研背诵50篇——35.Oil Refining

An important new industry, oil refining, grew after the Civil war. Crude oil, or petroleum a dark, thick ooze from the earth had been known for hundreds of years, but little use had ever been made of it. In the 1850 s Samuel M. Kier, a manufacturer i

每日一词【153】against the grain：违背心愿、令人不

今天我们要学的词组是against the grain。 Grain是谷子，不过在这里，grain指的木材的纹理。木工都知道，刨木头一定要顺着木材的纹理；You cannot polish wood against the grain. 作为习惯用语，against the

精美英文欣赏:A Grain of Sand

A Grain of Sand 一粒沙子 William Blake/威廉.布莱克 To see a world in a grain of sand, And a heaven in a wild fllower, Hold infinity in the palm of your hand, And eternity in an hour. 从一粒沙子看到一个世界， 从一朵野花看到一

精美英文欣赏:A Grain of Sand 一粒沙子

A Grain of Sand--William Blake To see a world in a grain of sand, And a heaven in a wild fllower, Hold infinity in the palm of your hand, And eternity in an hour. 一粒沙子--威廉.布莱克 从一粒沙子看到一个世界， 从一朵野花看到

英语短文：Oil Refining

Oil Refining An important new industry, oil refining, grew after the Civil war. Crude oil, or petroleum - a dark, thick ooze from the earth - had been known for hundreds of years, but little use had ever been made of it. In the 1850's Samuel M. Kier,

英语杂谈：101 Temperature-sensitive genes

Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of

英闻天下——29 Official: Grain Imports Doesn't Mean Food Insecurity

The Chinese government says the surge of grain imports does not mean there is anything wrong with the country's food security. China imported over 10-million tons of wheat, corn and rice during the first 10 months. That almost doubled the number in t

Russia Lifts Ban One-Year on Grain Exports

Russia, once the world's third largest wheat exporter, is returning to the international grain market after a one-year gap caused by severe crop losses. Moscow stopped selling wheat last year after catastrophic fires and drought destroyed one-third o

单词超市第153期 against the grain

今天我们要学的词组是against the grain。 Grain是谷子，不过在这里，grain指的木材的纹理。木工都知道，刨木头一定要顺着木材的纹理；You cannot polish wood against the grain. 作为习惯用语，against the

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英闻天下——139 Grain Imports Increase Three Folds in 2012

China has seen an exponential increase of its grain imports last year. The amount of wheat, corn and rice the country imported from January to November 2012 soared 294 percent year on year. According to customs figures, China imported a combined tota

双语有声阅读：炼油

Oil Refining An important new industry, oil refining, grew after the Civil War. Crude oil, or petroleum -- a dark, thick ooze from the earth -- had been known for hundreds of years, but little use had ever been made of it. In the 1850's Samuel M. Kie

【双语有声阅读】A Grain of Sand一粒沙子

从一粒沙子看到一个世界 从一朵野花看到一个天堂 A Grain of Sand by William Blake To see a world in a grain of sand, And a heaven in a wild fllower, Hold infinity in the palm of your hand, And eternity in an hour. 一粒沙子-威廉