单词：dl-methionine
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It was time for the annual blood drive. He told his girlfriend, Im going to give blood tomorrow. She said, Dont do that. You could get a disease. He asked, I could get a disease? How could I get a disease? She said, You never know. What if a nurse tr
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Researchers Genetically Modify Corn to Increase Nutrition Researchers in the United States say they have discovered how to genetically engineer corn to produce a kind of amino acid usually found in meat. The result is a food with increased nutrition
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modlue 4 Food and drinks [00:20.94]模块四 食品和饮料 [00:23.28]unit 1 The food we eat [00:25.40]单元一 我们吃的食品 [00:27.53]Read [00:28.71]读 [00:29.88]'What would you like for dinner tonight?'Mrs Li asks Kitty and Ben. [00:34.42]
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U.S. President Barack Obama is shifting his economic focus to the middle class. His State of the Union address Wednesday will detail a series of initiatives to help middle-income families. President Obama spent his first year in office trying to prev
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By Phuong Tran Dakar 10 August 2007 The rebel group Niger Movement for Justice says it launched two attacks late Thursday in the uranium-rich Agadez region, sparking skirmishes with government forces that ended in the killing of two civilians. A rebe
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