科学pg20

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Age: 12
Level: 12
Language: Chinese (zh)
ID: 1307761
25/08/2021
Country code: MY
Country: Malaysia
School subject: Chinese Language (CL) (1061942)
Main content: 废物 (1972002)

仔细阅读，回答问题

Other contents: pg20

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科学pg20

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