题目内容：

美食节过后,同学们积极清理现场,拾废料卖到回收中心,把捐款给贫穷地区,写一篇英语作文

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Cancer can be prevented,the potential for prevention is still very great.This is because the cancer-causing factors,dietary factors account for 35 percent,tobacco 30%,the two add up to about 65%,far e...