2A各单元补充内容

unit 1  where i live
let’s act
1．a: clean the desk, please.          b: yes, mum.  i’m coming.
2．a: sweep the floor, please.         b: ok, mum.
3．a: mop the floor, please.           b: all right.
let’s talk
    i live in shanghai.  this is century park.  it is beautiful.  this is jinmao building.  it is tall.  this is nanjing road.  it is busy.  i love shanghai.
let’s learn
  zoo 动物园           litter bin 垃圾桶       
century park 世纪公园    nanjing road 南京路      
jinmao buildi