冀教版英语八下unit8saveourworldlesson59ppt课件内容摘要：
What’s packaging? When you buy something, it might e in a box or a plastic bag. The box or bag might have words and pictures on it. That’s packaging. About ten percent of packaging is plastic. • Every year, each person in North America makes about 1,000 kilograms of garbage. That’s the same weight as a small car! • In just one day, Americans throw out 136 million kilograms of packaging. This would fill about ten thousand trucks! v. 分类；整理；把 …… 分类。阅读剩余 0%
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