三年级英语上册（JQ）单元导航单元导航Part A A.LetA.Lets try&Lets try&Lets talks talk A.LetA.Lets learn&Make a map s learn&Make a map and talkand talk Part B B.LetB.Lets try&Lets try&Lets talks talk B.LetB.Lets learn&Be a tour guides learn&Be a tour guide B.Read and writeB.Read and write B.LetB.Lets check&Lets check&Lets wrap it ups wrap it up 第一课时（第一课时（Parts 1,2a&2b)第二课时（第二课时（Parts 3,4&5)
