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What we do has to conform. to the law instead of our own choice. （翻译)..
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用紫外分光光度法进行药物含量测定时，供试品溶液的吸光度范.....
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The Dragon－Boat Festival has become another public holiday in China. （翻译)..
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佝偻病骨样组织堆积应除外下列哪项A．肋骨串珠B．鸡胸C．方颅.....
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Disciplined actions — less drinking, and more exercise have gradually become my life..
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We are sending you herewith our contract No.9856 in duplicate （一式两份),with the r..
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