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仁爱版九年级英语上册Unit4 Topic 1 Section D教案

1、U4T1SD1Section D. Material analysis本课是九年级第四单元第一话题的第四课时。主活动是 1a 和 Project。1a 通过介绍古今人们如何定位来继续学习一般过去时的被动语态,同时让学生初步接触并理解现在完成时的被动语态和含情态动词的被动语态。语法和功能部分则让学生通过填空来归纳总结过去时的被动语态和一些常用的功能句。Project 部分则体现了“在做中学”的理念。让学生用英语来介绍自己的发明,无疑会巩固本话题的语言知识并进一步培养和提高学生“用英语做事情”的能力。. Teaching aims1. Knowledge aims:掌握本课的重点词汇和短语,归纳总

2、结一般过去时的被动语态。2. Skill aims: 能够理解其他形式的被动语态。如: 现在完成时的被动语态和情态动词的被动语态。能够在听、说、读、写活动中正确地运用被动语态。. The key points and difficult points1. Key points: Words and phrases: mark, explorer, system, man-made, find out, as long as, be used to do sth.Sentences: This method worked well at night as long as the weather

3、was good and the stars could be seen.九年级上册教学案例设计2Today, the problem has been solved by the Global Positioning System.It can also be used to study the shape of the earth.Grammar: was/were +pp2. Difficult points: The GPS is a great invention that helps us explore our planet and discover where we are.

4、. Learning strategies通过语法和功能部分的归纳总结来内化所学的语言知识。通过参与讨论 1a 的问题来感知、预测文章大意。通过 Project 的设计活动,介绍自己的发明来提高口头表达能力。. Teaching aids指南针/小黑板/ppt 等。. Teaching procedures Stage(time period)InteractionpatternsTeacher activity Student activity Remarks1Revision (12mins)Individual workStep1: Let the Ss complete Grammar

5、 and Functions and check the answers.Complete Grammar and Functions and check the answers.U4T1SD3Class activityT: Boys and girls, lets begin our class with some exercises. Please complete the blanks in Grammar and Functions. When you finish, raise your hand.T: I am going to check the answers. You ha

6、d better answer in full sentences. xxx, would you like to answer the first one?T: Great! How about the second one?Step2: Let the Ss sum up the usage of passive voice.T: You all did very well just now. Next, lets sum up the passive voice. What kind of passive voice did we learn first?T: Could you tel

7、l me how to use it?T: Superb! What was the second?S1: Yes. The radio was invented by Guglielmo Marconi in 1895.S2: When was the digital camera developed? It was developed in the 1970s.S3: Where was it developed? It was developed in Japan.S4:Sum up the usage of passive voice.Ss: 一般现在时态的被动语态。Ss: am/is

8、/are+ppSs:一般过去时态的被动语态。九年级上册教学案例设计4Group workT: How about the structure?Step3: Write down some Chinese sentences on the Bb or on the screen. Let the Ss put the sentences into English alone and then check the answers in groups. Let the group leaders collect all the mistakes.T: Now, look at these sente

9、nces and put them into English alone. Check the answers in groups. The group leaders should collect the mistakes in your group. When you finish, raise your hand.Example:1.这种火箭是由中国在二十世纪七十年代制造的。2.我的自行车昨天被盗了。Ss: was/were+ppPut the sentences into English alone and then check the answers in groups.U4T1SD

10、53.第一部手机是由马丁 库伯( Martin.Cooper)发明的。4.这条毛巾是用竹子做的。5.X 光机被用来诊断疾病。T: Now, lets check. Group 1, what are the mistakes in your group?T: Who can solve this problem?T: Good explanation! How about you, Group 2?S1:xxx has difficulties in choosing present passive or past passive.S2:通过观察时间标志词来确定。如第 1,第 2 题都有时间标

11、志词。第 3、 4、 5 题虽然没有明显的时间标志词,但是我们可以通过常识判断。S3:2Pre-reading(3mins)Class activityStep1: Present a compass. Ask and answer questions. Move to 1a.T: What is it?T: Yes. Its a compass. When was it invented, do you know?T: Who invented it?T: What is it used for?T: Yes, you are right. Today, well learn how Ans

12、wer questions.Ss:指南针。Ss:北宋。S1: Its said that Emperor Huang invented it. S2: Its used for giving directions.九年级上册教学案例设计6people know the directions. Step2: Let the Ss read the questions on page 88. Learn the new word explorer.T: Now, before reading the passage, you had better read the questions on pag

13、e 88. You can learn the word “explorer” by word formation “explore (v)+er=explorer(n)”.Read the questions on page 88. Learn the new word explorer.3While-reading(8mins)Individual workStep 1: Let the Ss read 1a and find the answers to Question1, 2 and 3.T: Now, read 1a and find out the answers to Ques

14、tion1, 2 and 3. When you finish, raise your hand.T: I think we should check the answers now. xxx, could you please answer Question 1?T: Wonderful! Question 2, who?T: What is a GPS, who knows?Read 1a and find the answers to Question1, 2 and 3.S: The early explorer used the stars to know where they we

15、re.S2: In bad weather, people couldnt see the stars, so this method didnt work.S3: GPS is like a man-made star. U4T1SD7Group work Step2: Let the Ss discuss what the GPS will be used for in the future.T: We know GPS is useful to us. What is it used for now?T: Oh, you have good knowledge of GPS. Now,

16、please discuss what the GPS will be used for in the future.T: Have you finished discussing?T: Which group wants to be the first?T: Smart idea. But how do you make it come true?Its very useful to us. People can use it to find out their position.Discuss what the GPS will be used for in the future.S1:

17、Its used for transportation.S2: Its used for sending satellites.S3: Its used for planes.S4:Ss: Yes.S1: We can use it to find the missing old people or children.S1: We can put it in the pocket or in the shoes.S2:九年级上册教学案例设计8T: Other groups?T:S3:4Post-reading (10mins)Group workLet the Ss read 1a again

18、 and find out the new words, the difficult points and key points in groups.T: Now, read 1a again. Find out the new words, the difficult points and key points in groups.T: First, lets solve the new words. What does “guiding marks” mean?T: Sounds good! How about “man-made”?T: And “system”?T: Second, w

19、hat are the difficult points, Group 2?T: Good question! Its a kind of passive voice. The structure is “modal verb+ be+pp”.T: What else?T: Another good question. Its a new grammar. Read 1a again and find out the new words, the difficult points and key points in groups.S1:指路标志。S2:指引标志。Ss:人造的。Ss:系统。S3:

20、 What does “the stars could be seen” mean in Para 1?S4: How do we understand the last 老师在解释含情态动词的被动语态时,最好用汉语,言简意赅。不要讲太多,点明即可。对于本课的定语从句,不要重点讲,让学生知道这种语法现象就行了。最U4T1SD9Well learn it later. Its called attributive clauses. We can change the word “that” into “and the invention”.T: Have you found any useful

21、 expressions?sentence in Para 2?S5: guiding marks, as long asS6: at any time, in any place, in any weather, find out好用汉语解释。5FinishingProject(10mins)Group workIndividual Step 1:Let the Ss discuss Kangkangs invention.T: Look at Kangkangs invention. Discuss in groups and then express your opinions abou

22、t it.T: Which group is ready to share your opinion?T: Im very happy that you all have your own ideas.Discuss Kangkangs invention.S1: We think it is a great invention. There will be less traffic jam and traffic accidents.S2: We think there may be more traffic accidents, because there will be too many

23、 cars flying in the sky.S3:Draw a picture of their inventions 九年级上册教学案例设计10workIndividual workStep 2: Let the Ss take out their HMK in Section C, draw a picture of their inventions and make a card as Kangkangs.T: Now, take out your HMK in Section C. Draw a picture of your invention and make a card a

24、s Kangkangs.Step3: Let the Ss take their inventions to the front and describe it to the class.T: Who would like to share your invention with your classmates?and make a card as Kangkangs.Take their inventions to the front and describe it to the class.S1: My invention is Magic Pen. It looks like the p

25、en we are using. Its made of metal and plastic. But it can speak. It is the best “teacher” in the world. It has a brain. It knows all the subject we are learning. Whenever you have problems, you can just press “Help” and it will tell you what to U4T1SD11Group work T: Wonderful invention! Someone els

26、e?Step 4: Let the Ss discuss in groups to decide which invention is the most useful/interesting/funny one.T: Now, discuss quickly and decide which is the most useful/interesting/funny invention.T: Whose is the most useful invention, class?T: The most interesting invention?T:T: I hope you will work h

27、arder from now on. I wish you all success.do.S2: My invention is Discuss in groups to decide which invention is the most useful/interesting/ funny one.Ss: xxxsSs: xxxsSs:9Summarizing and assigninghomework (2mins)HMK:Let the Ss sum up the key points and write them down on the exercise book.T: We have

28、 finished this topic. After class, I hope you will sum up all the key points and 九年级上册教学案例设计12write them down on your exercise book.U4T1SD13. Blackboard designWhen was it invented ?Section DWords and phrases:explore+er =explorerman+made=man-madeguiding markssystemas long asGrammar:passive voiceam/is/are+ppwas/were+ppmodal verb+be+pphas/have+been+ppSentences:and the stars could be seen.Today, the problem has been solved byIt can also be used to study the shape of the earth.