人教新版三年级下册,Unit 2 How old are you (一),chant,Guess whats in my desk/ bag/pencil-box?,practice,one,two,three,Hello, Im Li Yan. Im in Class 1, Grade 3.Hi, my names Ann. Im in Class 2, Grade 3.Glad to meet you.Nice to meet you.,One, two, three!,sentences,write,culture,make,