人教版高中英语 Book 2 Unit3 Computers 全单元教案Word格式文档下载.docx

1、2.Know how to analyze the form of some words. 教学难点：1.Can use some of the words to make phrases and sentences .教学过程教师活动学生活动个人修改1.Show them the key words and expression of the passage as follows: 2.Guide them to read the new words.3.Ask the ss to read the new words one by one. 4.Analyze the prefix and

2、 suffix.5.Name each part of the computer.6.Translate some words about computers 1、计算器 2、算盘 3、科技 3、个人电脑 4、手提电脑 5、网络 6、人工智能 7、下载（v） 8、计算（v） 7、机器人 8、电脑主机 Observe the words on the screen and know which words are important.Read the new words after the radio and underline the important ones Practice their

3、 pronunciationThink and analyze the prefix and suffix with teacher.Ask students to do by themselves then check the answers together .课后反思本单元出现科普词汇较多，学生学习起来较困难，通过帮助学生掌握了一些读音规律，但学生基础较差，此环节花时间太多。 学科 英语 教师 郭海霞、张凤芳、吉训飞 Book2 Unit3 ComputersPeriod 2-3 warming up and reading 主备人:1 To talk about computers a

4、nd know about the history of computers 2 Get students to think about the advantages and dis advantages of computersTry to improve students reading ability - Let students understand the relationship between main idea and supporting detailsLearning to learn.Collect information about computers .Let stu

5、dents know about the history of computers2 Try to improve students reading ability1 Let students know how to learn by conclusion.2 Try to improve students intergrating skills.Step 1. Warming up1 Review some basic words related to the topic”computer”.2 Know some scientific words .Ask students “What d

6、o you know about computers?”Guess ”who am I？“ according to the pictures.（abacus,calculator,huge computer, pc, lantop,PDA, and robot）3 Predict the content according to the time and find the key word about the passage.（the history of computers）If you want to know more about computers,open the book to

7、P18 and read the text “Who Am I?”Step2. skimming1.who is the speaker ? a computer2. In what order is this passage arranged（安排）? in order of time.Step3. ScanningChoose the main idea of this passage.A The computer wants to find “who he is”.B. The function（功能） of the computer.C. The computer becomes po

8、pular around the world.D. The history and the applications of the computer.Step4.The topic sentence of each paragraph.Para 1. Over time I have been changed a lot.Para 2.Those changes only became possible as memory improved.Para 3.Since 1970s many new applications have been found out for me.T:How did

9、 you find the topic sentence of each paragraph?one example: （Para3 ）The supporting details of the topic sentenceWhat are the new applications of the computer?Teacher guides students to conclude:Summary:A topic sentence sets out the main idea of a paragraph. A topic sentence is usually the first or l

10、ast sentence of a paragraph, sometimes it also appears in the middle of a paragraph,especially in scientific passage.Step5:What can you infer from the text? A. The computer has artificial intelligence. B. The computer changes a lot over the years.C. The computer was not connected by a network until

11、in the early 1960s.D. Now the computer can only be used to deal with informationStrp6 Informal Discussion.（the students get into two groups ,choose a group leader who is allowed to organize their members to debate ）What are advantages and disadvantages of computers?which are more?Advantages: our lif

12、e has changed in school work, games, emails,music,films,communication,information ,photos ,shopping,etc.Disadvantages: 1.Bad for our eyes and health 2.A waste of time and money 3.Make people isolate from their friends 4.Some people especially the teenagers are addicted to the computer games and chat

13、ting on the Internet. As a result, they have little time to study . 5.Some people use the computer wrongly. We should make full use of the advantages of computers to develop. As a student we should take advantage of it to study instead of playing games or looking through bad information.Step 7 Homew

14、ork1.write a passage about the advantages or disadvantages of computers.2. Read the text more and find out the difficult key words and phrases 1.Read the words in the word list .2.Talking3.Read the passage very quickly and find out the answers. 4.Read quickly and fill the time and the changes of com

15、puters 5. Read and try to find out the topic sentence of each paragraph.6. Discuss in groups : What are advantages and disadvantages of computers?本课的话题是计算机，介绍计算机的历史，学生们对计算机比较熟悉，因此学习兴趣还是挺高的，但是由于学生基础较差，科普文章出现科普词汇较多，学生对课文的理解还是有一定的难度的。Book2 Unit3 Computers Period 4-5 Language points1. Enable students le

16、arn about the new words and phrases2. Lead students to talk about the history of computers . know the usage of the words, phrases and sentence patterns. Know the importance of making use of the language. 1. Learn about the useful words and expression in the reading text.Learn about the useful words

17、and expression in the reading text and make up sentences using the key words and expressions. Step1 Find out the language points in the passage. 1.calculate vt.计算calculationn.计算calculatorn.计算器2.universal adj.普遍的;通用的;宇宙的universe n.宇宙3.simplify vt.简化simple adj.简单的4.operator n.（电脑）操作员;接线员operate vt.操作;

18、做手术operation n.手术5.logical adj.合逻辑的;合情理的logically adv.逻辑上;合逻辑地;有条理地logic n.逻辑6.technology n.工艺;科技;技术technological adj.科技的7.intelligence n.智力;聪明;智能intelligence adj.智能的;聪明的8.reality n.真实;事实;现实realize vt.实现real adj.真实的9.personal adj.私人的;个人的;亲自的personally adv.就个人而言;亲自10.total adj.总的;整个的n. 总数;合计totally a

19、dv.完全地;整个地11.application n.应用;用途;申请apply v.申请;应用applicant n.应聘者12.finance n.金融;财经 financial adj.金融的;财经的13.explore vt.&vi.探索;探测;探究exploration n.探索;探测14.electronic adj.电子的electricity n.电electric adj.电的electrical adj.和电有关的15.appearance n.外观;外貌;出现appear vi.出现;好像【核心句型】1.from .on从时起2.as a result 结果3.so .t

20、hat .如此以至于 4.human race人类5.in a way 在某种程度上 6.with the help of 在的帮助下7.deal with 处理;安排;对付 8.watch over看守;监视1.it took nearly two hundred years before I was built as an analytical machine by Charles Babbage.差不多到了两百年之后,查尔斯巴比奇才把我制成了一台分析机。2.By the 1940s I has grown as large as a room,and I wondered if I wo

21、uld grow any larger.到20世纪40年代,我已经长得像一间屋子那么大了,我不知道是否还会长得更大。3.I would really like to play against a human team,for I have been programmed to act just like them.我真的想和真人球队比赛,因为我被设计得能像他们一样地活动。Step2 Homework 1. Read the text more .2. Try to find more information about computers. Underline the key words an

22、d phrases in the passage and try to analyze them by themselves. Practice and make up more sentences by themselvesDo more exercises 本节课吸取了之前的教训，注重讲练结合，让学生在练中掌握语言点。但学生在仿造句子的时候，仍然存在很多问题。Period 6-7 GrammarLearn the Present Perfect Passive Voice.Help the students master the way of using the correct voice

23、, telling the differences between the active voice and the passive voice. How to use the Present Perfect Passive Voice. Step 1: Revision and lead-in1.Check the homework first Ex1:1 totally 2 revolution 3 artificial intelligence 4 birth 5 simple-minded 6 go by7 deal with 8 network 9 truly 10 anyway E

24、x2:revolution; network;went by; totally; truly; simple-minded; Anyway; deal with Ex3:1 totally 2 amazed 3 exciting 4 excited5 cheaply 6 unlucky2. Lead-inSay: Are you familiar with these computers? Can you call them? （ask the Ss to distinguish different types of computers.）Do you know these new inven

25、tions of computer ?A wrist-worn PC has been invented recently.A pen-like computer has already been developed.（show them some pictures and ask them to make some sentences , using the Present Perfect Passive Voice.）Eg: Its rather a hot day today! Would you like to have a swim after school ?Have you ev

26、er swum in the Blue Water World（蓝色水世界） in the Oriental Suntown （东方太阳城） which has been set up in Taizhou?There a beautiful swimming pool has been built .Many high buildings have been set up.Lots of flowers and trees have been planted.A new bridge has been completed. Step2: DiscoveringAsk the Ss to di

27、scover whether these sentences have something in common. Help them to learn the useful structure : the Present Perfect Passive Voice. Step3: Discussion : learning the structureGive some explanations1构成： 主动语态 被动语态现在完成时 have/has done-have/has been doneHe has been sent to study the new technology in the company.The dirty clothes have not been washed.Have the windows been cleaned?How many shopping centers have been built in this city?2. 只有及物动词才有被动语态，不及物动词（词组）没有被动语态