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1、Unit 7 Protect the earth,Know your teacher,plastic bags drive so much drive so much; save energy,( B ),( A ),How do we save energy?,Read and learn,Why should we save energy?,用直线画出原因(Why do we save energy?) 虚线画出方法(How do we save energy?),Save energy,Most of our energy comes from coal and oil. There i
2、s not much coal and oil on earth. We should save energy. We should not drive so much because cars use a lot of energy.,Save energy,Reading time,Most of our energy comes from coal and oil. There is not much coal and oil on earth. We should save energy. We should not drive so much because cars use a l
3、ot of energy.,How do we save trees?,Read and learn,Why should we save trees?,用直线画出原因(Why do we save trees?) 虚线画出方法(How do we save tree?),Save trees,Wood comes from trees. We use wood to make tables, chairs and many other things. We should not cut down too many trees because trees help keep the air c
4、lean.,Wood comes from trees. We use wood to make tables, chairs and many other things,Self-learning,Self-learning,We should not cut down too many trees.,Why?,砍下,Self-learning,We should not cut down too many trees.,Why?,Because trees help keep the air clean(净化空气),Trees,Fill in the blanks,_comes from
5、trees. We use _ to make tables, chairs and many other things. We _cut down _trees because trees help _.,Wood,wood,should not,so many,keep the air clean,Group-learning,1. What do you know about plastic?,Dont use too much plastic,Group-learning,2.Listening and answer What can we use plastics to make?,
6、Should we use too much plastics?,Group-learning,What can we use plastics to make?,Should we use too much plastics? But too much plastic is bad for the earth. We should not use too many plastic bags or bottles.,We use plastic to make bags and bottles.,Group-learning,We should use paper bags and glass
7、 bottles.,So what can we use?,We use plastic to make bags and bottles. But too much plastic is bad for the earth. We should not use too many plastic bags or bottles. We should use paper bags and glass bottles.,Dont use too much plastic,Reading time,Plastic,Try to say with the given(所给的) words,use to too much.is bad for. should not too many. should use.,“Protect the earth”环保主题演讲,Tips,小组合作,每组选择文中的一个小主题.(可以借助板书） Why should we ? We should/shouldnt. 切合主题，提出保护口号.,Thank you!,