- I.Goals:1.TomakeSsknowpollutionandpresentsituationthroughouttheworldandencouragethemtofindsolutionstothisproblem.2.ToencourageSstoactivatetherelevantvocabulary.3.TodevelopSs'speakingbypracticingsupportinganopinion.II.TeachingproceduresStep1pre-liste...
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