Unit3AtthezooALet’slearn第一站:农场第二站:动物园第三站:游乐园Lookattheduck.Itisinthetruck.Lookatthedog.Itisonthelog.Lookatthepig.Itisbig.Lookatthatcat.Itisfat.Lookatcat!It’s.胖的/fæt/aftthatBefat.Befat.Befatfatfat.Isitfat?(YesorNo)绿色圃中小学教育网atthatdog!It’s./θɪn/瘦的hintBethin.Bethin.Bethinthinthin.Wherearewenow?