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最佳答案：6.Service life: The key to quality relies on the service life that depends on lu
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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：Effect:repair the broken DNA and RNA all over the body,promote their composition
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最佳答案：翻译为下：If you live to be 100,I hope I live to be 100 minus 1 day,so I never have t
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最佳答案：The outer cover of aluminium alloy which we used, it looks top-grade, the more i
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最佳答案：Turtle is a very archaic reptileThere Is a very hard shell on its backThey climb
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最佳答案：According to one study,those who only stairs of residential apartment building p
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最佳答案：第二种要比第一种较好；建议再改进一些：过滤器和冷凝器上的灰尘和污垢 - the dust and dirt on the filter and condense
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最佳答案：Light emitting diode ( LED ) because of high efficiency,energy saving,long servi
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最佳答案：This experiment mainly examined the new way to evaluate the life span of high po