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T:Look at the newspaper,can you tell me the topic of the newspaper.
S: protect the earth
Look at the learning aims of this class
Step2.Revision
Review the words.Read after the teacher.
Play a game.(快速说出相关资源）
Look and respond.
Read and choose. Stand up and say.
Watch a video about the problems of the earth
Discuss the problems of the earth
Review the usage of should
Let’s try to use We should...We shouldn’t...
Let’s finish the exercise.
Step3.Expansion
1.Let’s think. What else can we do to protect the earth?
2.Watch the video about how to protect the earth.
3.learn the new expressions
turn off the tap turn off the lights pull out plugs recycle useful rubbish
4.How to write a composition.
It concludes head,body,feet.
5.Tell students what should we pay attention when writing a composition.
6.Students write the composition of protecting the earth.
7.Ask students to read their compositions and give evaluations.
Step4.Homework
1.Share your composition of protecting the earth with your friends.