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wangp5516

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低调做人 踏实做事 谦虚谨慎 沉毅笃行
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zyaozong

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wangp5516(金币+2,VIP+0): 10-14 08:37
The challenges the mankind are facing in the 21century are population and food problems, which are still Inevitable and serious。
4楼2009-10-13 13:03:47
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snow85

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wangp5516(金币+2,VIP+0): 10-14 08:37
In all the problems hunman beings are faced with in the 21st century,the population problem and grain problem are still inevitable and of great importance.
2楼2009-10-13 11:42:21
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wangkt

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wangp5516(金币+2,VIP+0): 10-14 08:37
The challenges of mankind faces in the 21st century  , population and the grain problem is still cannot avoid and it is very serious.
3楼2009-10-13 11:43:59
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snow85

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In all the problems hunman beings are faced with in the 21st century,the population problem and grain problem are still inevitable and very serious.
5楼2009-10-13 13:27:35
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