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六年级英语上Unit7 Protect the Earth重点知识(新版牛津英语)

unit7 protect the earth
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