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如果该项目污水排放入一湖泊，该湖泊平均水深为8m，湖泊面积为45k2，则在该湖泊中的取样位置应如何设置？

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Directions: For this part, you are allowed 30 minutes to write a short essay entitled A Cover Letter. You should write at least 150 words following the outline given below.
1. 你是如何得知招生信息的
2. 自我推荐并说明选择该校的理由
3. 希望得到该校的回复

How many parties are involved in it？ And name 3 of them.

Which company does Mr. Yang come from？

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