一、重点单词
coal Earth oil paper plastic wood
二、重点词组
drink water
clean things
waste water
in many places
reuse and save it
most of our energy
come from coal and oil
save energy
use a lot of energy
make tables,chairs and many other things
cut down too many trees
be bad for
plastic bags and bottles
paper bag
glass bottle
have fun
make a poster
start drawing
look nice
draw some bananas on the trees
put it at the school gate
三、知识点
1、be useful
2、most of
3、come from= be from
4、There is not much coal or oil on Earth.
5、use … to make …
6、because trees help keep the air clean
7、be bad for be good for
8、start drawing start doing
9、look nice look +adj.
10、What a nice poster!
四、语法
见page71