Unit1 Hello！,Hello！,Hello，,Im helen.,Hello，,Hello, hello!,Hello!,up,Stand up,down,Sit down,up,Hands up.,down,Hands down.,Up，up，stand up.,Down, down,sit down.,Up, up, hands up.,Down, down, sit down.,Chant,Hello，Im Mi laoshu.,Hello！,Hello！,Hello！,Drills:,Hello, Im,Hi, Im,Homework:向家人或朋友用英语打招呼并做自我介绍。,Class is over!,Good bye!,Bye bye!,
