2022年最新仁爱英语教学案例设计九年级上册 4.pdf

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1、仁爱英语教案精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 1 页，共 6 页Unit 4 Amazing Science Topic 2 When was it invented?Section BThe main activities are 1a and 3a. 本课重点活动是1a 和 3a。. Teaching aims and demands 教学目标1. Learn some new words: clone, experiment 2. Go on learning the simple past passive voice: (1)

2、 Do you know when it was invented? (2) It was invented in 1879. 3. Learn some information about the clone technology. (1) Cloning is famous throughout the world. (2) There is DNA in most living things, including human beings. (3) No doubt cloning can help save those animals in danger. (4) And it can

3、 also benefit human beings. . Teaching aids 教具录音机 /多媒体课件 /图片. Five-finger Teaching Plan 五指教学方案Step 1 Review 第一步复习 ( 时间 :6 分钟 ) 做游戏，复习一般过去时被动语态的用法，导入新课。1. (用上节课的作业做一个链式游戏，以小组为单位，就计算机、MP3、CD、手机、数码相机或学习用具等进行对话，操练be made of / be made in / be made from / be used for的用法。让每一小组的第一个同学回过头去问下一位同学，依次接着往下问。) T:

4、Boys and girls. Lets play a game. Ask questions one by one. S1: What s your favorite invention? S2: The MP3. Whats it made of? S3: Its made of steel and plastic. When was it developed? S4: It was developed around 1998. What s it used for? S5: Its used for helping us to improve our English. 2. (用多媒体出

5、示图片，导入新课。) T: You did very well. There are many important technologies and inventions in the world today. Look at this invention. ( 展示灯泡图片。)It s a bulb. Do you know about it? (板书并要求学生了解。) bulb Ss: Yes, a little. T: OK, who invented it? 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 2 页，共 6 页Ss: Thom

6、as Edison. T: When was the light bulb invented? Do you know? Ss: No. T: OK, let s come to 1a and learn about it. Step 2 Presentation 第二步呈现 ( 时间 :17 分钟 ) 通过谈论各种发明及其发明者和发明的时间，呈现 1a和 3a 的内容， 继续学习一般过去时的被动语态及生词。1. (让学生听1a录音并根据听力内容判断正误。) T: In this lesson, we will learn something about other inventions an

7、d technologies, please listen to 1a and mark True (T) or False (F). (1) The light bulb was invented in 1879. ( ) (2) The radio was invented by Thomas Edison in 1895. ( ) (3) The airplane was invented by Wilbur and Orville Wright in 1903. ( ) (听后核对答案：(1) T (2) F (3) T。) 2. (用图片继续谈论上述发明，引入3a。) T: Now

8、let s go on talking about the inventions. Look at the picture! (出示收音机的图片。) Who invented it? T: It was invented by Guglielmo Marconi. (呈现收音机的发明年份和发明者的名字。) T: And when was it invented? Ss: It was invented in 1895. T: Very good. And look at this picture. ( 展示一幅飞机的图片。) Who invented it? ( 同时呈现飞机发明年份和发明者的

9、名字。) Ss: It was invented by Wilbur and Orville Wright. T: And when was it invented? Ss: It was invented in 1903. T: We have talked about so many inventions. Now we are going to learn something new about a great technology. (拿出图片。 ) Now look at this picture. What animal is it? Ss: It s a sheep. T: Ye

10、s, it is a cloned sheep. Have you ever heard of clone? (教师释义并领读clone，要求学生掌握。) clone Ss: Yes, of course. T: That s very good. Cloning is a famous experiment throughout the world. So far, scientists have cloned many animals to save those animals in danger. The cloning technology has been used in human

11、 organs. It can benefit human beings. (板书并让学生掌握生词experiment；了解 organ 和 benefit。) experiment, organ, benefit T: Then what s the name of the first cloned sheep? Ss: Dolly. T: Yes, now let s read 3a and answer the following questions. 3. (指导学生阅读3a，回答下列问题并核对答案，为完成3b 作铺垫。同时画出文中的关键词及短语，为下一环节的课文复述作准备。) 精选学

12、习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 3 页，共 6 页(板书下列问题。) (1) When and where was the cloned sheep created? (2) What other things has man cloned? (3) What s used in cloning? (4) What are the advantages and disadvantages of cloning? (板书关键词及短语。要求学生理解AIDS 。) Dolly, be created, famous throughout the

13、 world, DNA, in every part of your body, be similar to, save, benefit human beings, explore more ways to, heart disease, AIDS and cancer, however 4. (让学生听3a并跟读，画出重点词组，教师板书。) T: Please listen to 3a and read after it. Find out the important phrases. (板书，要求学生掌握。) so far, be similar to, the same as, no

14、doubt (学生听完录音后，与教师板书的内容对照，并朗读3a 课文，教师讲解本课重要词组。) Step 3 Consolidation 第三步巩固 ( 时间 :9 分钟 ) 通过角色表演、复述等形式巩固1a 和 3a 内容及一般过去时的被动语态。1. (两人一组分角色表演1a。) T: Please act out 1a in roles. 2. (再读 1a，完成 1b。 ) 3. (让学生再读3a 并讨论 3b 中的问题，完成3b。) 4. (指导学生用刚才自己所画的3a 中的关键词，以接龙的方式复述3a。) T: Just now, we ve learned something ab

15、out cloning. Can you say something about it? S1: Dolly, a cloned sheep. T: Yeah. Its well-known. S2: Cloning is known as a great experiment all over the world. T: Good! S3:Dolly was created in Scotland more than ten years ago. S4: So far, scientists have cloned rabbits, sheep, cows, mice, pigs and s

16、ome other animals. T: Excellent! Now, repeat what you have said just now one by one, and you will get the whole paragraph. (让刚才抢答问题的学生重复一遍自己所说的那些话，教师不再提示关键词，让学生按同样的方式继续进行接龙。为激发学生的兴趣，可分组竞赛， 看哪组复述的句子又快，又多，又准确。 ) Step 4 Practice 第四步练习 ( 时间 :8 分钟 )设置情景，继续操练一般过去时的被动语态，完成2 和 4。1. (利用 1a 中有关发明的图片，让学生用一般过去时

17、的被动语态讲述三项发明的情况。) T: Now, look at the pictures and try to say something about the inventions we have learned just now. ( 教师逐一呈现图片。) 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 Wr

18、ight in 1903. 2. (让学生先看2 的内容，然后播放录音。) T: Boys and girls, do you want to know something about other inventions? Lets listen to the 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 4 页，共 6 页tape carefully and complete 2 on Page 87. (听后检查部分学生答案，视情况需要，可再播放一遍录音。然后就听力内容提问，鼓励并引导学生积极踊跃回答。) T: Who was the car

19、invented by? S4: Karl Benz. T: When was it invented? S4: In T: What about the telephone? S5: It was invented by Alexander Graham Bell in T: What did John Baird invent? S6: He invented the television. T: When did he invent it? S6: He invented it in (让学生分成三组分别讨论这三项发明，并用自己的话复述2 中的部分内容，完成2。) T: Now, ple

20、ase talk about the inventions in your own words. Group 1, please tell us something about the car. G1: The car T: Now, Group 2, would you like to talk about the telephone or the television? G2: We d like to talk about T: Group 3. It s your turn to talk about . 3. (用多媒体展示一些图片，并要求学生用过去时的被动语态造句。巩固本课的语言点

21、。完成 4。 ) T: Make up sentences according to the example and practice more. Example: (展示电脑图片并板书生词laptop，要求学生了解。) laptop S4: Where were laptops invented? S5: They were invented in Japan. S4: When were they invented? S5: They were invented in 1985. (展示神舟七号发射图。) Ss: Shenzhou was launched into space in Ch

22、ina in 2008. Step 5 Project 第五步综合探究活动( 时间 :5 分钟 ) 把学生分为几组，每个学生写下自己所知道的发明，由组长汇总，然后小组讨论，让学生课后发挥各自的想象力，设计一个实用的发明并介绍其用途、性能等，培养学生的探究能力。1. (组内调查后，让学生尽量用一般过去时的被动语态来描述搜集的发明及其发明者、发明时间、发明地、用途等，并由组长向全班作汇报。) 2. Homework: According to your imagination, design your own invention. Then write an article to introduc

23、e it. 板书设计：When was it invented? Section B Experiment(1)It was widely used in people s daily life. so far(2)When was it invented? be similar to the same as no doubt 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 5 页，共 6 页It was invented in (3)Cloning is famous throughout the world. (4)Where were laptops invented? They were invented in Japan. 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 6 页，共 6 页