外研版九上unit1it’swastefultothrowawaypaperandmaterialppt课件内容摘要：
car pool to reduce air pollution. should plant more trees, not to cut them down. air electrity energy factory glass metal ocean paper pollution protect recycle throw away (以上单词应根据听力磁带跳出，由于 手中无磁带，只能这样了．） did Zhao Ming feel when he read the article? is a green school? is it wasteful to throw away glass and paper? happened if we don’t turn off lights? ,you guys! Guess what! 喂，伙计们．猜猜 a green ca。阅读剩余 0%
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