教学目标：掌握句型：howareyoudifferentfromlastyear?LastyearIwas…；primaryschoolHowareyoudifferentfromtwoyearsago?Twoyearsago,Iwasnotgoodatmath,butthisyearIamgoodatit.Howareyoudifferentfromtwoyearsago?Twoyearsago,Iwasnotgoodatsports,butthisyearIamgoodatit.Let’stalkHowareyoudifferentfromtwoyearsago?TwoyearsagoHowareyoudifferentfromoneyearsago?Iamheavierthanoneyearsago.DoasurveyHomework:1.听录音读L86、L872.写一写爸爸或妈妈这几年中所发生的变化。