北师大版英语九年级unit9savetheplanetcommunicationworkshop课件内容摘要：
… ☆ collect used things ☆ put the rubbish into different bins ☆ put them to the recycling center … save water (reduce, reuse) save electricity (reduce) Others: use less plastic bags, use both sides of paper… Let’s read again to find out what he and his family will do. ☆ use less water and ☆ reuse ☆ take shorter showers save water Think about things you will do. Greentraveling recycling things saving energy ▽ ride / walk ▽ anize car pools … ☆ co。阅读剩余 0%
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