Lesson 22

　　Ⅰ. Teaching aims:

　　1.After learning the text, the students are required to master the following words and useful expressions: get rid of, break up, break down, seek to, throw away, deal with…

　　2.The students are expected to know the serious situation of the pollution problem after they have learned the text.

　　3.Get the students to read the text using the following reading skills: skimming and note making.

　　Ⅱ. Key points: 1.Words and grammar   2. Reading comprehension   

　　Ⅲ. Teaching methods: Reading: skimming and scanning

　　Ⅳ. Teaching procedures:

　　(1) Talk about pollution and waste, using pictures.

　　(2) Read the key words, guessing their meaning.

　　Listen to the tape and answer the questions:

　　1.What types of waste are mentioned in the text?

　　2.What causes are mountains of rubbish thrown away each day?

　　Step 3 Reading (using computer)

　　1.Read the first passage and answer the question.

　　What is done to waste nowadays?

　　2. Read the second passage and answer two questions:

　　① Why is rubbish a problem in western countries?

　　② Why is rubbish becoming a problem in China as well?

　　Tell the students to read the first passage and find out how the writer organize the passage, and tell what the main idea each part is.

　　Possible answer:

　　Part One (Paragraph1~2): Waste problems.

　　Part Two (Paragraph3~6): Measures to deal with the problems.

　　(1) Do the multiply for practicing the phrases.

　　(2) Do reading comprehension exercises.

　　Use the key words and the following pictures are show as a guide.

　　Step 7 Discussion

　　Is waste a big problem? What should we do with waste?

　　Finish the homework exercises in workbook.

　　教案点评：

　　本教案突出以阅读及口语表达为主，教师在此课中让学习保护环境的意识，为了加强对本章的理解，以本课的 相关较出的图片，让学生练习本课的内容及语言点，达到理解课文的程度。在课堂活动中，讨论本课的相关 问题，帮助学生学习积极性，开拓的学生的视野等。