仁爱科普版九上英语Unit 4 Amazing Science Topic 1 When was it invented？ Section B 教案.doc

Unit 4 Topic 1 When was it invented？ Section B Ⅰ. Material analysis 本课是九年级第四单元第一话题的第二课时。主活动是1a。1a通过Jane 和Michael谈论在博物馆所见到的展品来继续学习一般过去时的被动语态。1b 和 1c分别以听和填写图表来巩固1a的内容。1d则通过“说一说，猜一猜”的形式让学生运用一般过去时的被动语态。2是让学生能够根据需要正确运用一般现在时和一般过去时的被动语态。通过本课的学习，学生可以比较性地学习两种被动语态并且了解到更多的发明创造。 Ⅱ. Teaching aims 1. Knowledge aims： 掌握本课的重点词汇和短语，继续学习一般过去时的被动语态。 2. Skill aims: 能够根据需要正确运用一般过去时和一般现在时的被动语态。 3. Emotional aims: (optional) 发明创造不是一蹴而就，需要有百折不挠、永不言败的精神。 Ⅲ. The key points and difficult points 1. Key points: Words and phrases: bulb, airplane, be different from, be made of, be used for, so that, not only...but also…, all over the world Sentences: It’s said that he invented more than two thousand things during his life. They are designed not only for workers but also for teenagers and women. Grammar: was/were +pp 2.Difficult points： It’s said that he invented more than two thousand things during his life. Nowadays, their materials have been changed so that it feels more comfortable. Ⅳ. Learning strategies 能够通过1b、1c的问题，确定在听的过程中应注意哪些细节。 能够利用1c的图表来描述1a的内容。 能够根据2的时间关键词来确定正确的语态。 Ⅴ. Teaching aids 电灯泡/ 汽车、飞机等图片/ 爱迪生等发明家的图片。 Ⅵ. Teaching procedures 一，Review 采用对话和做选择题的方式复习一般过去时的被动语态及常用短语（be made of/from be used for） 二，导入（猜谜语的方式） T: Are you good at guessing the riddles? T: OK. Here is a riddle. A small melon （瓜）grows on a vine（藤）. It blossoms (开花)every night, but the melon never grows. What’s it? T: Yes. You are right. It’s a light bulb. Listen to this one. There is a small house without doors. It has only windows. When the light is on, it speaks,laughs and sings. What’s it? T: Oh, you are so smart. It’s a radio. Listen to the last riddle. It’s neither a hawk (鹰) nor a wild goose. But it can fly in the blue sky. It can fly ten thousand miles a day, and it is like a bridge in the sky. What is it? T:Yeah! You got it. It’s a plane. We can also call it an airplane. 三，扫除课文中影响学生听，读的人名障碍（课件展示相应人物，学生猜测，并教读） T: OK, now, let’s get to know some people. They invented these things. Look at this man. Who’s he? T: Yes. He’s Thomas Edison. Follow me, Thomas Edison. T: This one? He’s Guglielmo Marconi. Read after me, Guglielmo Marconi. T: How about these two? They’re Wilbur and Orville Wright. Repeat, please. 四，听1a完成1b. 让学生学会利用所提供的问题来确定在听的过程中应注意什么。 T: We will listen to 1a next. Before we listen to 1a, read the questions in 1b and make clear what you should pay attention to.(请一位学生读1b的问题) T: Very good,OK,now,close your book.Listen to 1a carefully and do 1b.（放录音） T: S1,S2, you, please! S1:A S2:C T:right?now,please open your book,listen to 1a again and check the answers(放录音) T：yes or no？ Ss：yes 五，读1a完成1c （找三位同学以一般过去时的被动语态结构完成） T: Now, read 1a and do 1c. If you finish, raise your hand. T : Ready to check the answers? You may answer like this “...was invented by …in …”. T: Wonderful! How about the second one? T: You did a great job. The last one? T: I’m very proud of you! S1: The light bulb was invented by Thomas Edison in 1879. S2: The radio was invented by Guglielmo Marconi in 1895. S3: The airplane was invented by Wilbur and Orville