Unit1TheDevelopingWorldTopic3SectionDThemainactivitiesare1a,1band3.本课重点活动是1a,1b和3。Ⅰ.Teachingaimsanddemands教学目标1.Revi...
Unit2SavingtheEarthTopic1Pollutionisharmfultopeople’shealth.SectionDThemainactivitiesare1a和3.本课重点活动是1a和3。Ⅰ.Teachingaim...
