福建省泉州市安溪县九级英语上册 Unit 2 Saving the earth Topic 1 Pollution has caused too many problems Section D教案 （新版）仁爱版.doc

topic 1 pollution has caused too many problems.section dthe key points and difficult points1. key points: words and phrases: coal, create, blood, planet, in many ways, with the development of industry, high blood pressuregrammar: the differences between the simple past and present perfect2. 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 learninglet 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 its bad for peoples _. (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-inlet the ss list what they have learnt in this topic with their group members, and then finish grammar and functions.stage 3 pre-readingcheck the ss hmk and encourage the ss to read their passages about pollution to the class.stage 4 while-readingstep 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-readingstep 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 projectproject: 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 homeworkhmk: let t