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最佳答案：As the development of medicine,average human life can reach 120 years old.
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最佳答案：Human being is confronted with the gradually grave various "organism's habits pr
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最佳答案：正确翻译：Since human enter the new century,the rapid development of information soci
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最佳答案：For human beings, language is a tool of communication and an important bridge fo
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最佳答案："Nearly word" word from the beginning of the words in human history plays an imp
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最佳答案：Plants have a significant effect on human life and the development of earth beca
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最佳答案：As known to everyone that man cann't survive without foods.Unfortunately,the pro
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最佳答案：The not coetaneous culture construction is different, therefore appearing the di
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最佳答案：The great universe is the mankind's mother,we acquire from the nature a lot of,e
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最佳答案：The animal is humanity's friend, is the natural ecosystem important component. T