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Why does cram go bad faster than butter？Some researchers think they have the answer， and it comes down to the structure of the food， not its chemical composition_a finding that could help rid some processed foods of chemical preservatives． [外语教育&网www．for68．com]
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下一篇：For this part， you are allowed to write a short essay entitled More Striving Spirit NeedeD、 You should write at least 120 words following the outline given below( ) 1． 社会上不少人认为，现在的青年学生拼搏精神不够 2． 对此你的看法是…．
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