留学群相关文章 2014考研英语作文必背范文模板（七）的相关文章推荐
2014考研英语作文必背范文模板（七）
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Cellsand Temperature
Cells cannot remain alive outside certain limits oftemperature, and much narrower limits mark the boundaries ofeffective functioning. Enzyme systems of mammals and birds are mostefficient only within a narrow range around 37 ℃;a departure of a few degrees from this value seriously impairs their functioning. Even though cells can survive wider fluctuations, the integrated actions of bodily systems are impaired. Other animals have a widertolerance for changes of bodily tempe...
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2014考研英语作文必背范文模板（七）的相关文章
2014考研英语作文必背范文模板（六）
以下《2014考研英语作文必背范文模板（六）》由留学群考研英语作文频道为您独家提供，欢迎大家参考。
Sleep
Sleep is part of a person's daily activity cycle. There are severaldifferent stages of sleep, and they too occur in cycles. If you are anavera...[ 查看全文 ]
2014考研英语作文必背范文模板（五）
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FolkCultures
A folk culture is a small isolated, cohesive, conservative, nearlyself-sufficient group that is homogeneous in custom and race with a s...[ 查看全文 ]
2014考研英语作文必背范文模板（四）
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Vision
Human vision like that of other primates has evolvedin an arboreal environment. In the dense complex world ofa tropical forest, it is more im...[ 查看全文 ]
2014考研英语作文必背范文模板（三）
以下《2014考研英语作文必背范文模板（三）》由留学群考研英语作文频道为您独家提供，欢迎大家参考。
TheSource of Energy
A summary of the physical and chemical nature of life must begin,not on the Earth, but in the Sun; in fact, at the Sun's very ce...[ 查看全文 ]
2014考研英语作文必背范文模板（二）
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Statistics
There were two widely divergent influences on the early developmentof statistical methods. Statistics had a mother who was dedicated to k...[ 查看全文 ]
2014考研英语作文必背范文模板（一）
以下《》由留学群考研英语作文频道为您独家提供，欢迎大家参考。
Coal-firedPower Plants
The invention of the incandescent light bulb by Thomas A. Edison in1879 created a demand for a cheap, readily available fuel with which togenera...[ 查看全文 ]
2014考研作文话题预测及范文（十）
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AmericanBlack Bears
American black bears appear in a variety of colors despite theirname. In the eastern part of their range, most of these bears hav...[ 查看全文 ]
2014考研作文话题预测及范文（九）
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Cohesion-tensionTheory
Atmospheric pressure can support a column of water up to 10 metershigh. But plants can move water much higher; the sequoia tre...[ 查看全文 ]
2014考研作文话题预测及范文（八）
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TheSalinity of Ocean Waters
If the salinity of ocean waters is analyzed, it is found to varyonly slightly from place to place. Nevertheless, some of these smallchanges...[ 查看全文 ]
2014考研作文话题预测及范文（七）
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Topaz
Topaz is a hard, transparent mineral. It is a compound of aluminum,silica, and fluorine. Gem topaz is valuable. Jewelers call this variety of t...[ 查看全文 ]
