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Ⅱ. The key points and difficult points
1. Key points:
Words and phrases: action, ought to, shut off, after all, electricity, had better, instead of doing sth. , be good for, change into, pour into
Sentences: First, you ought to shut off the electricity when you leave a room.
Second, you’d better walk or ride a bike instead of taking a bus or a taxi if you travel a short distance.
Don’t use plastic bags.
Easier said than done.
Actions speak louder than words.
After all, we have only one earth.
We should do everything to protect it, or we’ll be punished and lose our home.
Grammar: compound sentence
2.Difficult points：
理解含有将来时被动语态的句子。
理解课文中的英语习语。
Ⅲ.Teaching aids
Recorder / PPT
Ⅳ. Teaching procedures
Step1.Review
Show some pictures to lead to Section B.
Step2.Presentation
Talk about how to protect the environment with pictures,lead to 1a.
Ask students to listen to 1a,and finish 1b.
Students read 1a,then finish 1c.
Read 1a again,then find out the key points in 1a and explain them.
Step3.Consolidation
Retell 1a according to the key words.
Let the students choose the correct verbs or phrases to complete the statements in 2.
3.Let the students match the statements with the pictures,then Check the answers.
Step4.Practice
1. Let the students read the passage and fill in the blanks with correct words.