- Teachingaims:learnwordsrelatedtotheenvironment.learnsomecompoundnounsrelevanttotheenvironment.enlargestudentsvocabularybeginningwith'eco'rtantanddifficultpoints:Tofocusonsomecompoundnounsandphrasesthatareusedtotalkabouttheproblemsassociatedwithit.T...
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