资源描述
Topic 1 Pollution has caused too many problems.
Section D
The key points and difficult points
1. Key points:
Words and phrases: coal, create, blood, planet, in many ways, with the development of industry, high blood pressure
Grammar: the differences between the simple past and present perfect
2. Difficult points：
能根据关键词复述课文。
能够进行同义句转换，用不同的短语表达相同的意思。
Teaching procedures:
Stage 1 Getting students ready for learning
Let the Ss fill in the blanks with the correct forms of the given words.
1）The man working in a _________ factory goes deaf because of the loud _______.(noise / noisy)
2）Burning coal can ______ the air, and we call it air _______. (pollute / pollution)
3）Using too many chemicals in the land can cause ________food and it’s bad for people’s ________. (health / healthy / unhealthy)
4）Strong light is _______ to our eyes and does great _______ our body. (harm / harmful)
5）Mrs. Zhou can hardly ________ because of the bad air. And she often coughs day and night, out of ________. (breath / breathe)
Stage 2 Lead-in
Let the Ss list what they have learnt in this topic with their group members, and then finish Grammar and Functions.
Stage 3 Pre-reading
Check the Ss’ HMK and encourage the Ss to read their passages about pollution to the class.
Stage 4 While-reading
Step 1: Let the Ss scan 1a and find the main idea of this passage.
Step 2: Let the Ss read the passage again and work in pairs to complete the table on Page 34. Then check the answers in pairs.
Stage 5 Post-reading
Step 1: Let the Ss read the article sentence by sentence and find the key points they think. Write them down on the Bb and encourage the Ss to explain them.
Step 2: Let the Ss finish 1b.
Stage 6 Finishing project
Project: Let the Ss make a wall newspaper about pollution.
Step 1: Discuss what kinds of pollutions the pictures show and their bad effects.
Step 2: Collect more information and pictures about pollution. Then make a wall newspaper about pollution in groups.
Stage 7 Summarizing and Assigning homework
HMK: Let the Ss go over what they have learnt about this topic. Summarize the key points on the exercise book.
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