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•Isyourhometowncleanenough?•Doyouhaveanyideasforreducingwaste?tapn.龙头，阀门truckn.货车;手推车factoryn.工厂beern.啤酒leakn.&v....
Unit8SaveOurWorldLesson46:ProtectOurEnvironment1.Knowaboutthepollutioninourcountry.2.Weallshouldtakecareofourenvironment.TeachingA...
ProtectOurEnvironmentLesson46:1.Knowaboutthepollutioninourcountry.2.Weallshouldtakecareofourenvironment.TeachingAims:TeachingImpor...
Lesson46ProtectOurEnvironmentListening1.WhatdopeoplewastemostinEdmonton?A.waterB.paperC.energy2.Whatpointsmentionedinthelesson?tak...
