1、Unit1WelcomebacktoschoolHelloeveryone,nicetomeetyou.Howareyou?Howoldareyou?Yes,wehavegrownupayearold.So,todaywewilllearnanewclass.Doyouknowthis?ThisisUK.大本钟BigBen伦敦塔桥TowerBridge伦敦眼TheLondonEye牛津大学UniversityofOxfordDoyouknowthis?ThisisCanada.国家电视塔CN T