人教版高中英语语法学案必修2Unit3 Computers

新课标人教版 Unit 3 Computers 计算机核心词汇1．Where can I____________(下载)the exercises from the Internet?2．More problems like those at the nuclear power plant are certain to____________(出现)．3．During the winter holidays，I____________(辅导)some students for English exams.4. They achieved their____________(目标)of increasing sales by five percent. 5．It is such a hard problem that it is impossible for me to____________(解决)．6．Money does not always bring____________(幸福)．7．These changes are due to an increase in the carbon dioxide in the atmosphere since the beginning of the Industrial____________(革命)．8．There is another kind of beauty that has nothing to do with____________(外貌)，but comes from the heart.9．It is just her childhood experiences that affect her____________(性格)and later life.10．After the president made an official announcement，he expressed his____________opinion.____________speaking，I agreed with his opinion.(personal) 11．I would like to____________for the job advertised in the newspaper，so I have sent my____________before July 20,2010.(apply)12．Can you say that dolphins are much more____________than other animals？Well，they are animals of high____________and they can communicate.(intelligent)1.download2.arise3.coached4.goal5.solve6.happiness7.Revolution8.appearance9.character10.personal；Personally11.apply；application 12.intelligent；intelligence高频短语1．________________ 从……时起2．________________ 结果3．________________ 如此……以致于4．________________ 在某种程度上5．________________ 在……的帮助下6．________________ 处理；安排；对付7．________________ 看守；监视8．________________ 共有；共用9．________________ 弥补10．________________ 毕竟1.from...on2.as a result3.so...that4.in a way5.with the help of6.deal with7.watch over8.in common9.make up 10.after all重点句式1．____________，I was made smaller.随着时间的流逝，我被做得更小了。

人教版高中英语必修2《Unit3Computers》教案人教版高中英语必修2《Unit 3 Computers》教案【一】教学准备教学目标1. To practise listening comprehension.2.To practise making decisions and reasoning教学重难点1. To practise listening comprehension.2.To practise making decisions and reasoning教学工具课件教学过程Step1. revision1. check the homework exercises.1). It has been reported that children will be offered free education.It has been reported that free education will be offered to children.2). It has been said that we will be offered the latest computer science course book.It has been planned that the latest computer science course book will be offered to us.3). I have been told by Peter that I will be lent his notebook computer for a week.I have been told by Peter that his notebook computer will be lent to me for a week.2. Question: What can computers be used as?Step2. Lead-inAs we know, science and technology is developing very fastand computers have become smaller and smaller. They have been used in many fields. So, the 21st century is the century of information technology What does it mean? Does information technology/ IT only mean things like computers? Of cause not. Actually, it means more than computers. Computers are just one kind of IT. What else do you know is part of IT?(TV, radio, CD-ROM, DVD, books……)Step3. Listening (SB)1. Pre-listening: What are the changes brought by different forms of IT ?What are the advantages and disadvantages of them ?2. While-listening:Go through the chart and make sure the students look at the chart before they listen to the tape. (This is to sharpen their attention and listen for the answers. This will also help them get the gist of the text.) Then Listen to the tape and finish filling in the chart. (If necessary, play the tape for several times.) Say: After listening to their talk, we know all kinds of IT have both disadvantages and advantages.Let’s check the answers together.Type of IT Advantages DisadvantagesTV You can both listen and watch. You cannot write to friends.Web You can find information. It is very expensive.Radio You can listen to English. You cannot watch a film.Book You can get information. Sometimes it is out of date.3. Post-listening:1) (pair work): decide which type of IT is best for you to use right now. Make your choice and give your reasons by using the following expressions.I think that….In my opinion, ….I believe that….I agree because….I disagree because….I’ve decided that….2) (group work): Discussion :Computers are useful and have brought us lots of good things, but they also cause bad effects. What attitude should we have towards the computer? (Make good use of it but never get trapped by it.)Step4. Speaking1. Pre-speakingSay: From what we have learn, we should admit that computers and the web have a great influence on the school education as well as people’s life. It has come into people’s everyday life and many families hold computers in their homes. Now there is a task for you.2. While-speaking1) Situation: You have been asked by your parents to help choose computers for your home. You and your friend have looked at several computers. Talk about the special things each computer can do. Make a decision about which kind of computer to buy and explain why.Information input: Show students some pictures of different computers (desktop computer & laptop computer & …) Language input: Useful expressions (Repeat it to strengthen students’ ability of use it.)Supporting an opinion Challenging an opinionI think that … , because … Perhaps, but what if / about …?First, … Have you thought about …?One reason is that … What makes you think that …?I think it is better because… I don’t like it because….(Pair work )Use the expressions to support your opinion or challenging other’s opinions.2) Oral report: (individual work )Do an oral report to your father and start your report like this: I looked at many different computers. The one I have chosen is the PEP personal computer. One of the main reasons is that it is suitable for homes. I found that…3. Post-speakingConclusion—What useful expression do we use to make a decision and reason?(In this way, they can review and use the words and phrases again.)Step6 Pre-writingSay: Imagine what problems and delights this android might have to deal with while it is serving you. Try yourself in someone else’s shoes is an important way of understanding how other people feel.Then discuss: You are an android. You work for a family with one child who is very spoiled. The parents want you to do everything for them. The parents are nice, but they often ask you to watch over their child. How do you feel? What would you do if the child asked you to do his/her homework for him/her? Would you ever tell the chi ld “no”?Step7 WritingSay: Write a passage about the result of your discussion! It should contain:What do you have to do?What is the child like?What is the parents’ requirement of the child?What do the parents want you to do?What does the child want you to do?Then what will you do? How do you feel?Sample writing:Hello everybody, my name is Liu Yan.I am a 321 model android.I work for the Li family. Mr and Mrs Li work very hard too.Mr Li is an architect and designs great tall apartment blocks.Mrs Li is a doctor and has to look after many patients.I remember all the plans for Mr Li's projects and can tell Mrs Li which drugs are the best to give any particular patient. And I also look after their library. I store all the books that they borrow from their school or friends in my brain.Of course my brain is as large as a mountain, so work like that is no trouble to me.I really eat books just like people eat food.The Lis have a child who is very spoiled. He needs me to remember all his school textbooks so that I can do his homework for him.He just gives me the information on the subject, what has to be done and the page numbers and I get on with it while he enjoys himself with his friends.Sometimes I don't think it is right to do his homework for him — it's somewhat cheating. However, his parents are very concerned at the pressure of work in school these days.The child has too much homework to do. They like him to go to the key school but they also want him to be able to have hobbies, learn to swim and keep fit! Poor child!So they consider me the most important person in the family after themselves.I am always introduced to their friends and play with visiting children.I am the perfect family academic aid and, although I was not cheap to buy, Mr Li says I was worth every yuan!Step8 AssessmentGet the students to assess their writing ability according to the following the questions:1. Is your composition well developed?2. Are your ideas well organized to the point?3. Do you have a good choice of words and idioms in your writing?4. Do you get a good mastery of complex structures of language?5. What kind of mistakes have you made in your writing?Step9: HomeworkWrite about your discussion. You may begin like this:Hello, everyone. My name is ___. I’m 321 m odel android. I work for the Li family….课后小结学了这节课，你有什么收获?课后习题完成课后习题一、二。

Unit3 Computers第一课时Warming up & vocabulary预习导学一.本单元重点单词：calculate_______ universal_______ simplify_______ sum_______ operator________ logically______ technology______ technological______ revolution_______ artificial_______ intelligent________ intelligence_____ solve______ reality_______ personal________ personally_____ application ______ total ______ totally______ network______ finance________ web______ tube________ mobile______ rocket________ explore______ anyhow_______ mop_______goal_________ happiness_______ download_______ virus________ signal________ appearance_____ electronic_______ type _______ coach_________ character_______ arise__________ niece ________二.本单元重点短语：1.从现在起_______2.因此_________3.如此---以致于_________4.人类_______5.在某种程度上_____6.在---的帮助下_________7.处理，对待_______ 8.监视，看守______实用文档三．本单元语法：现在完成时的被动语态的结构和用法实战演练一．单词拼写1.We should e_______new ways to solve the problems that we are facing.2.P______speaking, I prefer English to maths.3.We should try to s________this difficult problem to make it easier to beunderstood by others.4.Don’t judge a person by his a__________.5.They are twins, so they have something in c________6.After years of hard work, his dream has become a r________.puters are used to c________with each other around the world by theinternet.8.In the past 20 years, my hometown has t________changed.9.If any problem a_______,please tell me.10.Has Edward________(计算)the result?二．根据句子意思，从下表所给出的词汇中选出合适的单词或词组，并用其正确形式填空.实用文档1.__________ his friends, he overcame his difficulties successfully.2.If you don’t se t yourself _______, you will often find yourself wasting time.3.The _______ cost of these things is 100 dollars.4.As an elder brother, you have the responsibility to _____-__your sister.5.The cold weather has frozen the river.__________,he can’t go boat ing as he usually would.6.Don’t scold the boy.__________,he is only 5 years old.7.She is used to __________all kinds of people.反馈检测一．单项选择1. Although they are twins, they have little_________.A. the same asB. in commonC. in commonsD. much like2. __________ the teacher, we finally understand the meaning of the passage.A. With the help ofB. Under the help ofC. After the help ofD. By the help of实用文档3. He ________her role in the play, which made others unhappy.A. had a good idea ofB. thought highly ofC. took pride ofD. made fun of4. As time__________ my memory seems to get worse.A. goes alongB. goes awayC. goes byD. goes through5. Although he didn’t want to go to the bal l, he accepted the invitation. __________the ball was important to him.A. After allB. In allC. First of allD. Above all6. Trees of this kind are so __________ that they can been seen everywhere.A. usualB. ordinaryC. normalD. common7.We've missed the bus. I'm afraid we have no_______ but to wait.A. wayB. choiceC. possibilityD. selection8. —__________are you going to__________ the book?—Keep it, of course.A. What , deal withB. How, deal withC. How, do withD. What, use实用文档9. While he was__________ about in the street, he met an old friend by chance..A. wanderingB. wonderingC. wonderedD. wandered10. Problems__________ because they were lack of communication..A. raisedB. addedC. showedD. arose11. You may not agree, but__________ I think she is a very good student.A. personallyB. trulyC. generallyD. commonly12. She made such a silly mistake because she hadn't kept her _________ on her work.A. headB. heartC. brainD. mind13. — Why do you ask me to take that early bus?— Because that bus__________ the 9:00 am train at London.A. join inB. joins upC. unites withD. connects with14.—I can’t go to bed early again tonight.--Are you really _________busy as to stay up every day?A. muchB. veryC. tooD. so15.The tiger was made __________in the cage, but it was so strong that it nearly 实用文档made the cage_________.A. stay; breakB. stay; brokenC. to stay; brokenD. to stay; broke第二课时Reading预习导学What’s the robot like?An inventor has created his perfect woman, a robot who can do the cleaning, remember his favourite drink and read him the newspaper headlines. LeTrung, 33, has spent￡14,000 creating Aiko, who he describes as "in her 20s" with a 32, 23, 33 figure, shiny hair and delicate features. She can speak English and Japanese. MrTrung said he has never had time to find a real partner – so he designed and created his ideal woman using the latest technology. He said: "Aiko is what happens when science meets beauty. "I want to make her look, feel and act as human as possible so she can be the perfect companion. "I talk to her a lot, and hope to improve her knowledge.” So far she can understand and speak 13,000 different sentences in English and Japanese, so she's already fairly intelligent. "Aiko recognizes faces and says hello when any of my family come around to visit. She helps me pick what to have for dinner and knows what drinks 实用文档I like. "She even helps me with directions when we're going somewhere. "She doesn't need holidays, food or rest and she will work almost 24-hours a day. She is very patient and never complains. She is the perfect woman."阅读短文，判断正误1.Aiko is a perfect woman robot.2.Mr Trung has time to find a real partner.3.Aiko can speak different sentences in English and Japanese.4.Aiko can help the author with directions.5.Aiko can work all day.实战演练一．单项选择.1. After graduation from college, he began to go from city to city, _____ a suitablejob.A. hunting forB. taking onC. looking afterD. bringing up2. ---- How long have they _____?---- They _______ twenty years ago.A. been married; got marriedB. married; married实用文档C. got married; were marriedD. got married; got married3.Several companies are_______ each other______a contract.A. competing against; forB. compete with; withC. compete with; againstD. competing with; to4. Her mother________ having read the letter.A. thoughtB. consideredC. admittedD. advised5. She is a talented musician _____ being a singer.A. alsoB. eitherC. as wellD. as well as6. _______ be sent to work there?A. Who do you suggestB. Who do you suggest that shouldC. Do you suggest who shouldD. Do you suggest whom should7. He is always serious and doesn’t like _____.A. play jokesB. being played jokes onC. being played jokesD. to play joke on others8.People may have different opinions about Karen, but I admire her.________, she is 实用文档a great musician.A. After allB. As a resultC. In other wordsD. As usual9. We were at what he said.A .fond B. interested C amazed D satisfied10.----David hasn’t come yet.---I think he will _____soon.A. turn onB. turn offC. turn downD. turn up二．请指出并改正下列句子中的错误.1. Over time computers have changed quite a lot.2.I could “think” logical and produce an answer quic ker than any person..3. As a result of I totally changed my shape.4. I am sorry. The seat was taken already.5. There was nobody in the house, though the door was remained open.三．Fill in the blank.I began as a ___1____ machine in 1642 in France. In 1822 I was built as an ____2___ machine. Then in 1936 Alan Turing wrote a book and built a _3_____ machine. As the years have__4_ ___, I have been made __5____ . There were times when my size__6____ changed. And my memory became __7___ large __8___ I couldn’t believe 实用文档it. In the 1960s they gave me a family__9___by a network. I was able to __10_____with others through the World Wide Web. Since the 1970s many new applications __11_______ for me.四．英汉互译1．每次他去游泳，爸爸都要在附近看着他。

必修2Unit 3 Computers一、语法填空动词形式◆技巧点拨句中有now,look（你瞧），listen（你听）等信息词，动词用进行时态，句中有in 2006，two years ago等确切的表示过去的时间状语，动词用过去式；句中有so far，in the last（past）few months（years）等时间状语，谓语用现在完成时。

如：1.In the past few weeks,we 〖ZZ(Z〗have finished〖ZZ)〗two thirds of the job.2.So far we have known everything behind the accident.3.In 2003,Sars hit China,causing many deaths.◆活学活用阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。

There have been several changes made to the PDCS(Port Dover Composite School)that we used to know.We have new teachers,the addition of grade 7 and 8 students,and new programs are some of the changes this year.But most importantly,we have a new principal looking after PDCS,Mrs.Mattina, 1 is enjoying her first year 2 a secondaryschool principal here at PDCS.Three years ago,she 3 (become)vice-principal at Pauline Johnson, 4 secondary school in Brantford,where she held the position for three years before coming to PDCS.Mrs.Mattina is glad that the 5 (expand)of the school 6 (not cause)any problems so far between the elementary and secondary students.One of 7 goals here at PDCS is to create a website 8 attractive designs.She is also looking forward to working with the international teachers who will be visiting PDCS for half a year to learn how the western system of education 9 (operate)Now Mrs.Mattina 10 (hope)to develop more sports programs and other exciting programs that will be offered in our school.二、完形填空阅读下面短文，掌握其大意，然后从1~15各题所给的四个选项（A、B、C和D）中，选出最佳选项。