山东
The research team conducted questionnaire analysis and edited interview videos; the literature team was responsible for searching the history, development, and methods of milk tea; the experimental team conducted chemical experiments and summarized the results.
同学们还研制了一种蛋白质含量高、含糖量低、无反式脂肪酸的健康奶茶，现场送给爸爸妈妈品尝。
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