OK, Let's sing "ten little Indians" together Task one 1. T: From this English song, We have known the numbers from o to 9. Now let's learn the numbers 11-40(eleven, twelve, thirteen, fourteen, fifteen……) (这是本单元的导入部分,由于这个单元涉及到数字,所以我利用已教过的英文歌曲"ten little Indians"来