2014年九年級英語上冊教學(xué)教案Unit4Topic3SectionD

1、Section D. Material analysis本課是九年級第四單元第三話題的第四課時。主活動是1a和Project。1a通過介紹機(jī)器人的迅猛發(fā)展，提出一個引人深思的問題：將來機(jī)器人還會像人類的仆人一樣為人類服務(wù)嗎？這個看似滑稽的問題其實蘊(yùn)含了一個科學(xué)價值觀：科技發(fā)展使人類成為主宰地球的王者，然而這是否又是葬送人類的最終利器呢？因為一切都要等到將來才能知道答案，所以現(xiàn)在所談?wù)摰亩贾皇强赡苄浴＿@樣，本課的功能也就自然而然地呈現(xiàn)了：談?wù)摽赡苄?。中國學(xué)生習(xí)慣通過漢語學(xué)英語，1b則體現(xiàn)了課程標(biāo)準(zhǔn)所提倡的“用英語學(xué)英語”。1c 所設(shè)置的問題部分與1a有聯(lián)系，又有一部分需要學(xué)生發(fā)表自己的觀點(diǎn)，也就

2、是要學(xué)生有自己的科學(xué)觀。Project 通過讓學(xué)生“在做中學(xué)，在做中用”的方式，來整合本話題的相關(guān)知識。但是這個活動需要學(xué)生先收集資料、準(zhǔn)備材料，只能在課后完成，故留作家庭作業(yè)。.Teaching aims1. Knowledge aims： 掌握本課的重點(diǎn)詞匯和短語，歸納總結(jié)定語從句。2. Skill aims:能夠總結(jié)定語從句的用法。能夠談?wù)摽赡芤l(fā)生的事情。能夠通過1b, 學(xué)會“用英語學(xué)英語”。3. Emotional aims: (optional)培養(yǎng)辯證的科學(xué)價值觀。4. Culture awareness: (optional). The key points and diffi

3、cult points1. Key points: Words and phrases: certain, for certain, on ones own, warn, might, housework, so far, be surprised at, no longerSentences: No one knows for certain, but most people think that robots will be part of our lives. In a few years, perhaps robots will think on their own, just as

4、people use their brains and act for themselves. One scientist warns that if robots start to think for themselves, they will no longer want to be our servants, but our masters.Grammar: summarize the attributive clause, talk about possibilities2. Difficult points： The scientist also warns that if we a

5、re lucky, they might treat us as we now treat our pets. Perhaps there will be a war between human beings and robots.In a few years, perhaps robots will think on their own, just as people use their brains and act for themselves.However, once robots can think for themselves, problems may appear. Learn

6、ing strategies在“語法和功能”部分，通過和老師同學(xué)一起總結(jié)定語從句的用法，來整理本話題的語法。通過討論pre-reading 的問題，預(yù)測文章的內(nèi)容。在1b , 嘗試用英語釋義來學(xué)習(xí)英語單詞。通過Project , 在合作的過程中學(xué)習(xí)制作英語墻報。. Teaching aids各種機(jī)器人的圖片/做墻報用的8開的紙/彩筆/一本英英詞典/ppt等。. Teaching procedures Stage(time period)InteractionpatternsTeacher activityStudent activityRemarks1Revision（8mins)Class

7、activityEncourage the Ss read out their HMK which was assigned in Section C. T: Hi, boys and girls, happy to see you again. Have you finished your homework?T: Who would like to share your passage? How about you, xxx? T: Wow! What wonderful imagination! Another one?Read out their HMK which was assign

8、ed in Section C. Ss: Yes.S1: All right. One Day Without ComputersIt was the most boring day I spent today. I woke up at eight in the morning. Then I was ready to have my breakfast. But the computer controlled cooker didnt work. I sent a message to my driverthe robot. But he didnt come. So I had to w

9、alk to the workplace. When I got there, there was a big crowd. The door couldnt open as usual. They told me that the computer which controlled the door was broken. Nobody could go into the room. Then I went to supermarket to buy some food. Its closed, too. The note said the computer didnt work. I de

10、cided to go home. I said “Open Sesame” to the door. Oh, my god! It didnt work. At last, I spent the whole day walking along the street! Until eight in the evening, everything came back to life. What a bad day I had!S2: S3: 這種幻想式的作文很有趣，可以讓學(xué)生把他們的作品貼在教室的“英語園地”中。2Getting students ready for learning(3min

11、s)Class activityPresent all kinds of pictures of robots to give a brief introduction to robots.T: Hi, class. Look at this strange thing. What do you think it is?T: No. Its not a tank. Its a robot. Its the first robot in the world. It was invented by Engelberger. He was called “The father of robots”.

12、T: Look! There are many pictures of robots. T: You can see robots have changed a lot in shapes. Today, we will learn about robots.Learn something about robots.S1: 坦克。最好能夠根據(jù)機(jī)器人的發(fā)展歷程來展示各種機(jī)器人。3Pre-reading(5mins)Group workLet the Ss discuss in groups the questions in 1a to warm up.T: Before we begin the

13、 new lesson, Id like you to discuss the questions in 1a first. If you finish, raise your hand.T: What are your opinions, Group 4?T: What a lazy boy! To tell the truth, I also want a robot to do housework for me, haha! If I have a robot, it can do all the housework for me, like my servant. How about

14、you, Group 1?T: I agree with you. If you want to know more about robots, just read 1a.Discuss in groups the questions in 1a to warm up.S1: We all like robots. xxx says he would like a robot to do homework for him.S2: We like robots, too. They are too helpful in our daily life. S3: S4: 老師要適時講解部分生詞。如：

15、house+work= housework, serv(serve)+ant(的人)=servant。4While-reading (5mins)Individual workLet the Ss read 1a and do 1b.Check the answers .T: Next, you will read 1a. But before reading, please read 1b. You have to find the words in the passage according to the meanings and the first letter. When you fi

16、nish, put up your hand.T: Hi, boys and girls! Who can tell us what the first word is? How about you, xxx?T: It doesnt matter. Please spell it.T: Yes, you are right. Follow me, everyone. “warn”.T: We usually use it this way: “warn sb. not to do sth.” or “sb. warns that” The second one?T: Read 1a and

17、do 1b. Check the answers .S1: Sorry, I dont know how to pronounce it.S1:W-A-R-NSs: warnS2: causeS3: S4: 盡管學(xué)生沒學(xué)過“warn”，但通過英語解釋，能知道第一個單詞的意思是“警告”，然后再回到短文去尋找哪個單詞可能是這個意思。這就是要培養(yǎng)學(xué)生“用英語學(xué)英語”的能力。老師可以利用這個環(huán)節(jié)來讓學(xué)生學(xué)習(xí)新詞: warn, certain, servant。5Post-reading(15mins)Group workIndividual workStep 1: Let the Ss read 1a

18、 again and then discuss the questions in 1c in groups.T: Now, you will read 1a again. However, you should read the questions in 1c first. After reading, please discuss the questions in groups. If you finish your discussion, please let me know.T: What are your opinions about Question 1, Group 3? T: G

19、reat! Each group has different ideas. Robots are considered to be our servants, arent they? T: I hope so. Do you think robots can think or act for themselves? T: It seems that you have a deep discussion. How about the last question?T: I agree with you. The passage is just talking about possibilities

20、. Do you know which words are usually used to talk about possibilities?T: “May” and “Might”.Step 2: Let the Ss read 1a the third time to find out the useful expressions and the sentences which express possibilities. T: You have learned how to talk about possibilities. Now, read 1a the third time to

21、find out the sentences which express possibilities and useful expressions. If you finish, put up your hand.T: Now, lets check the sentences together. The first one isT: The second one isT: T: Though the passage is just talking about possibilities, from this passage, we know science may be not always

22、 good for us. Perhaps it will do harm to human beings in the future. T: Have you found any useful expressions?Read 1a again and then discuss the questions in 1c in groups.S1: We think robots will be part of our lives in the future. Because computer science and robot technology will make everything p

23、ossible .S2: We think robots will play important part in many areas of work , especially in factories. S3: We think robots will be part of our lives, but they wont take the place of human beings. S4: S5: S6: We think they are.S7: We dont think so. They are machines only. They dont have their own bra

24、ins.S8: Perhaps it is possible. Human beings are too clever. They can make impossible things possible.S9: Because robots may become masters of the human beings.S10: Because we are not sure, it is a question.S10: Perhaps , probablyS11: maybeRead 1a the third time to find out the useful expressions an

25、d the sentences which express possibilities.Ss: Perhaps robots will think on their own,Ss: However, once robots may appear.Ss: S1: for certain, so far,.S2: be surprised at , on ones own,S3: no longer, betweenand讓學(xué)生在重讀1a之前，先讀1c的問題，帶著問題去閱讀，有利于提高學(xué)生的閱讀效率。老師要在學(xué)生回答第4個問題時，順勢點(diǎn)明：文章所講的只是可能性。并指出本話題的目的之一就是要談?wù)摽赡?/p>

26、性。通常用這些詞來表達(dá)可能性：perhaps, probably, maybe, may, might。6Summarizing and assigning homework (9mins)Class activityClass activityStep 1: Let the Ss read the sentences in Grammar and Functions together.T: We have finished this topic. Its time to sum up. First, read the sentences in Grammar and Functions to

27、gether. Ready? Go! Step 2: Let the Ss sum up the grammar.T: Now, lets sum up the grammar and expressions. Whats the grammar for this topic?T: Yes. What else?T: Right. xxx, can you say something about attributive clause? T: Sounds great! Who wants to add more?T: Well done. How about possibilities?T:

28、How wonderful!Step3: HMKT: I know you are good at making wall newspapers. But Im not sure whether you are good at making English wall newspapers, too. Today, youll have the chance to show your talent. After class, please work in groups to make an English wall newspaper according to the requirements in Project. We will choose the best one and give this group presents. All your newspapers will be put up on the English Corner. Read the sentences in Grammar and Functions together.Ss