八年级上册Unit 4 Topic 2 Section A.doc

Unit 4 Topic 2 Section A 春晖中学 wuhaiyan Teaching aims and demands:1. Master new words and some phrases2. Learn and master the sentence pattern of “Im sure./ Im not sure.”3. Learn to talk about the advantage and disadvantage of the Robot .4. Teaching importance: Master the structure of the introduction of an inventionTeaching difficulty: Master how to introduce an inventionTeaching aids: tape recorder, multi-media computer, pictureTeaching steps:Step 1 Revision 1. Review the words and some phrases.2. Talk about four inventions we have learned.Step 2 Lead inShow a picture of Robot and talk about it.-What can Robots do ? They can save people in danger .-Are sure they can save people in danger ?-Yes , Im sure . / NO, Im not sure .Step 3 Listening1. Listen to 2 and number the pictures. Check the answer.2. Listen to 1a and answer the questions.1) Where did Kangkang go to the Science Center ?2) When did scientists invent the first robot ?3) Are you sure robots can do some work faster and better than humans ?3. Useful expressions and key points.4. Do some exercises.Step 4 Writing 1. Show the structure of the introduction of an invention. Talk about the advantages and disadvantages of robots in 1a in Page 85 and 3 in pageThe structure is: Title: Beginning Body Advantages Disadvantages Ending Say something about the robot according to the structure, not including the ending.Step 5 R1. Read and do 1b, then check the answer.2. Answer some questions:The questions are:1.Do you think that robots will be part of our lives in the future?2.Can you guess what the robots will do for us at home?3.If possible, what kind of robots do want to invent, the ones that are our servants, the ones that are our friends or the ones that our masters ? Why?4. Discuss the ending.( After talking about the questions, they may think of the ending more easily.)Step 6 Sum up Sum up the structure of an invention we have learned in this period and encourage Ss to think of more ways to describe an invention. In this way, we can make Ss in different levels more creative in writing.Step 7 Task (The scientists in the future)1. First, Ss talk about Kangkangs invention freely according to the summary, then I will show them a model.2. Ask Ss to introduce their own invention.Step 7 Homework1. Write a composition about their own invention .2. Finish off the workbook.3. Preview Section B and finish 1b.4. Reading. 板书设计:I am sure there are no UFOs.Section A Grammar: express certainty and uncertaintytake the place of=instead of Im sure robots can do some work faster and better than humans. Are you sure? Yes, quite sure. Do you think you will have a robot in 20 years? Yes, Im sure. / No, Im not sure.四.教学反思.优点1.歌曲导入创造轻松学习情境. 用这个导入很快的把学生的精力转移到课堂上。2.利用竞赛的方式完成练习，使枯