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1.Knowledge aims：
掌握本课的重点词汇和短语，继续学习并列句和提建议。
2.Skill aims:
掌握更多的提建议的表达方法。
了解英语中的一些谚语。如：Easier said than done.
3.Emotional aims: (optional)
鼓励学生在日常生活中始终保持良好的环保习惯。
4.Culture awareness:中西方俚语文化 (optional)
Ⅲ. The key points and difficult points
1. Key points:
Words and phrases: action, ought to, shut off, electricity, had better, instead of doing sth. , 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：
英语表建议的表达方式
理解含有将来时被动语态的句子。
理解课文中的英语习语。
Ⅳ. Learning strategies
教师引导，学生自学为主，
Ⅴ. Teaching aids
录音机/ PPT图片等。
Ⅵ. Teaching procedures
Step1 leading-in new lesson
通过师生问答：“西山两年前与现在图片对比?” 来导入新课。
T：do you remember the west hill ?