A Listen and circle(听录音,圈出所听到的内容)
1 a coal　b cool　c cold
2 a project　b protect　c picture
3 a so early　b on Earth　c a lot of energy
4 a reuse water　b use water　c reuse paper
5 a too much plastic　b plant trees　c many places

1 a 2 b 3 c 4 a 5 a

a ()　b ()　c ()
d ()　e ()　f ()

a 5 b 1 c 6 d 3 e 4 f 2

C Listen and choose(听录音,选择正确的答案)
( ) 1 What does Mike like playing?
a Football.　b Basketball.　c Volleyball.
( ) 2 What holiday is tomorrow?
a Teachers' Day.　b Mother's Day.　c Father's Day.
( ) 3 Whose birthday is it?
a Jim's birthday.　b Billy's birthday.　c Bobby's birthday.
( ) 4 What does Nancy do to help protect the Earth?
a She goes to school on foot.　b She doesn't use plastic bags.　c She uses plastic bags.
( ) 5 Where do they put the poster?
a In the playground.　b In the classroom.　c At the school gate.

1 a 2 a 3 b 4 b 5 c

There are many things you can do to protect the environment.
• When you visit a park, take away what you bring there—keep in a bag until (直到) you can put it in a .
• Turn off the tap when you brush your teeth. You can some water. We can also use cups to save .
• Keep the doors and windows closed in winter to keep .
• Don't pour water into rivers or lakes nearby.
If everyone pays more attention to protecting the environment, the will become more .

easy, rubbish, bin, save, glass, paper, warm, dirty, world, beautiful