2014-2015学年九年级英语上册《Unit 2 Saving the Earth Topic 1 Pollution has caused too many problems》教案.doc

Unit 2 Saving the Earth Topic 1 Pollution has caused too many problems. 主备人： 审核：初三英语备课组 复备人：__________ 时间：_________ 课时安排 4 课时 The First Period Section A 教学三维目标 Ⅰ. 知识与能力目标 1.Master some new words and useful expressions：Words and phrases: bee, butterfly, mess, shame, several, pollute, waste, villager, destroy, cut down, goodness, pour, see sb./sth. do sth., see sb./sth. doing sth., cut down, my goodness 2.Sentences: What a shame! / What a mess! The flowers and grass have gone! What has happened here? There be sth./sb. doing sth. There are several factories pouring waste water into the stream. Everything has changed. 3.Grammar: differences between Simple Past and Present Perfect tense. Ⅱ.过程与方法 通过对比“West Hill”的环境变化，引出本话题的污染问题，巩固现在完成时与一般过去时用法及区别。让学生了解环境污染的严重性，并树立环保意识。1重点some new words and useful phrases; the present perfect tense 2难点the present perfect tense 3教法 listening, speaking and discussing 4教具 multimedia The main activities 1a Teaching procedure Step 1 Review 1.Lead the Ss to discuss the right place for a picnic. A: Where have you been/traveled? B: I have been/ traveled to ... 2. go over the present perfect tense Step 2 Presentation 1. Let the Ss discuss where to have a picnic. Encourage them to state the reasons. T: Now work in groups, choose the best place for a picnic and tell the class why you choose that place. Ss… T: OK, tell us where to have a picnic. Why? S1: I think …is the best choice. The air there is fresh. We can fly kites on the grass. T: Kangkang, Jane, Maria and Michael are planning a picnic for Sunday. They will go to the West Hill. 2. Present two pictures of the West Hill and describe the changes. Teach the new words and some difficult sentences. 3. Point to the bees and butterflies, and then write down the words and phrases on the Bb Step 3 Consolidation 1. Listen to 1a and mark the words with P (Past) or N (Now). ____ beautiful ____ butterflies ____ dirty ____ grass ____ te