中科院考博英語培訓(xùn)資料（作文范文）解決垃圾問題-文庫吧
2024-12-26 09:43 本頁面
【正文】 getting worse almost every day in cities with very large population. People consume great amount of natural resources and produce wastes. ) A lot of waste produced is made up of packaging materials. They are reported that 38 percent of all litter dumped is made of plastic. Paper, which es in at second place, represents 15 percent of all litter dumped. The disposable
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