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2012年考研英语作文精选背诵 Botany, the study of plants, occupies a peculiar position in the history of human knowledge....

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2012年考研英语作文精选背诵 British Columbia is the third largest Canadian province, both in area and population. It is nearly 1.5 times as large as Texas, and extends 800 miles (1,280km) north from the United States border....

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2012年考研英语作文精选背诵： The American Revolution was not a revolution in the sense of a radical or total change. It was not a sudden and violent overturning of the political and social framework, such as later occurred in Fr...

作文 英语

2012年考研英语作文精选背诵 In the past oysters were raised in much the same way as dirt farmers raised tomatoes - by transplanting them. First, farmers selected the oyster bed, cleared the bottom of old shells and other debris, t...

作文 英语

2012年考研英语作文精选背诵 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...

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2012年考研英语作文精选背诵 The theory of plate tectonics describes the motions of the lithosphere, the comparatively rigid outer layer of the Earth that includes all the crust ...

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2012年考研英语作文精选背诵 Topaz is a hard, transparent mineral. It is a compound of aluminum, silica, and fluorine. Gem topaz is valuable. Jewelers call this variety of the stone "precious topaz". The best-known precious topaz g...

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2012年考研英语作文精选背诵： If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important....

作文 英语

2012年考研英语作文精选背诵：Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. ...

作文 英语

2012年考研英语作文精选背诵： A painter hangs his or her finished picture on a wall, and everyone can see it. A composer writes a work, but no one can hear it until it is performed. ...

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