英语人教版九年级全册jiaoan .doc

Unit 6 When was it invented?Section A 1 (1a-2d)一、教学目标： 1. 语言知识目标：1) 能掌握以下单词： heel, scoop, electricity, style, project, pleasure, zipper, daily, website, pioneer, list, mention 能掌握以下句型： When was the telephone invented? I think it was invented in 1876. What are they used for? They are used for seeing at night. 2) 能谈论物品被发明的时间、发明者，表达某发明的用途。2. 情感态度价值观目标： 了解一些近现代发明的时间及用途，激发自己热爱发明的情感。培养想象力，善于观察事物。面对难题，用积极的态度去解决，发挥想象力，认识世界，改造世界。 二、教学重难点1. 教学重点：1) 本课时的单词、词组和句型，学习运用一般过去时态的被动语态。2) 学会询问发明时间及用途的基本句型：When was the telephone invented? I think it was invented in 1876. What are they used for? They are used for seeing at night.2. 教学难点：运用一般过去时态的被动语态来讨论发明的发明时间及用途。三、教学过程I. Warming up1. 展示一些近代发明的图片与近代发明的发明者，让学生们将图片与发明者相连。T: Do you know what these inventions are?S1: Its a car. S2: Its a telephone. S3: Its a television. T: Do you know who these inventors are? S1: Karl BenzS2: Alexander BellS3: J. L. Baird Let Ss match the inventions and the inventors. . Presentation 引导学生们学习一般过去时态的被动语态结构。让学生们看大屏幕的如果爱和发明者的图片,并将句子改为被动语态。如：T: Karl Benz invented the first car in 1885. The first car was invented (by Karl Benz) in 1885. . Talking1. Look at the pictures in 1a. Discuss with your group, in what order do you think they were invented? Try to number them 1-4. 2. Ss discuss with their partners and number the pictures. 3. Talking about the inventions: A: I think the TV was invented before the car. B: Well, I think the TV was invented after the TV. . Listening (1b)1. T: Tell Ss look at the pictures and years on the left. 2. Play the recording for the Ss to listen. 3. Ss listen to the conversation and try to match the invention with the proper year. 4. Play the recording again. 5. Check the answers. . Pair work (1c)1. Ss try to remember the invention and the year. 2. Student B, cover the dates. Student A, ask Student B when the things in the picture in 1b were invented. Then change roles and practice again. 3. Let some pairs ask and answer in pairs. e.g. A: When was the telephone invented? B: I think it was invented in 1876. . Learning the new words & Listening Look at the pictures then learn the new words.Work on 2a: T: Tell Ss they will hear some interesting inventions. 1. Look at the pictures in 2a. Discuss the things what they are used for. 2. Play the recording for the Ss to listen and number the pictures. 3. Play the recording again to check the answers. Work on 2b: 1. Let Ss read the chart below. Explain some main sentences for the Ss. Make sure they know what to do. 2. Play the recording for the Ss to fill in the blanks. 3. Play the recording again to check the answers. 4. Listen again and fill in the blanks. . Pair work (2c)1. Tell Ss to make conversations using the information in 2b. Make a model for the Ss. A: What are the shoes with special heels used for? B: They are used for changing the style of the shoes. 2. Let some Ss make conversations using the information in 2b. 3. See which group does the best. . Role-play(2d) 1. Read the conversations and Let Ss read after the teacher. 2. Explain some new words and main points in the conversation. 3. Ask Ss to role-play the conversation in groups. X. Language points1. Well, you do seem to have a point have a point 有道理 e.g. I admit (that) you have a point. 我承认你有理。 2. They are used for seeing in the dark.be used for doing sth.表示“被用来 做某事”。 相当于be used to do sth. e.g. This computer is used to control all the machines. 这台电脑是用来控制所有机器的。 Do you know what this tool is used for? 你知道这工具是用于做什么的？3. Think about how often its used in our daily lives. think about 表示“考虑，想起” e.g. He is thinking about travelling in the summer holidays. 他正在考虑暑假旅游的事。 She was thinking about her childhood days.她正回想她的童年时期。【拓展有关think 其它的短语】 think of 指“考虑，记忆，记起” 如：You think of everything! 你全都提到了。 I cant think of his name at the moment. 我一时想不起他的名字。think sth. over指“仔细想，审慎思考，作进一步考虑”如：Please think over what I said.请仔细考虑我说的话。 I want to think it over. 我想仔细考虑一下这件事。think sth. out 指“想通，想出，熟思”如：He thought out a new idea. 他想出了一个新主意。 That wants thinking out. 那件事需要仔细考虑。HomeworkRecite the conversation in 2d.、Unit 6 When was it invented?Section A 1a-2d（教学反思） 湘阴县三塘中学 许强 本节教学内容为人教版英语Book 9 Unit 6，话题为讨论介绍物品的发明历史和用途，主要是让学生能够正确熟练地听懂并运用被动语态来介绍物品的发明过程和历史，通过本节课的学习，学生需要熟练掌握一般过去时态的被动语态，在学习中，懂得人类的科学发明创造了丰富的物质文明，激发创造发明的能力和愿望。从整体教学效果上来看还是有许多欠缺的。这节课我感觉比较满意的地方有以下几点： 一、结合学生的学习情况，选用了听力专项训练，用不同的形式去练习和培养学生的听力能力，如：听录音连线、听录音填空、听录音排序等，从听力教学效果来看，学生的反应较慢，还需要加强训练。 二、阅读训练方法，一举两得。对于2d部分的小对话，我依然采用了先阅读再朗读，加记忆检测的方式进行教学，一是为了锻炼和培养学生的阅读能力，二是为了熟练掌握一般过去时态的被动语态，使学生对被动语态的基本结构熟记于心。 这节课我感觉需要改进的地方主要有： 一、课前准备还不够精细，听力录音材料的准备上没有认真听完整一遍，导致材料不可用，影响上课效果和进度。在日后的教学设计中一定要做到精益求精、多手准备。 二、教学设计过程中环节协调上，还有许多不足，协调不够自然，在教学设计上还需要追求完美，要认真准备好各项教学环节的设计过程。 三、学生的参与积极性不够高，参与度不够，整节课上的气氛较为沉闷，教学方式过于严肃，还需要调整。在今后的教学中，我一定要努力完善不足，使教学环节更流畅。学练时间更充分，教学效果更高效。Unit 6 When was it invented? 重点知识归纳解析【重点单词】1. project n. 项目，工程；2. pleasure n. 高兴，愉快； 3. daily adj. 日常的，每日的； 4. mention v. 提到，说到；5. nearly adv.几乎，差不多； 6. boil v. 煮沸，烧开；7. remain v. 保持不变；剩余；8. national adj.国家的，民族的；9. low adj.低的，矮的； 10. translate v. 翻译；11. lock v.锁上；n. 锁；12. sudden adj. 突然的13. crispy adj. 脆的；酥脆的；14. salty adj. 咸的； 15. sour adj. 酸的，有酸味的；16. customer n. 顾客。17. Canadian 加拿大的， 18. divide v. 分开，分散；19. hero n 英雄，男主角； 20. professional adj. 职业的，专业的；【重点词组】1. shoes with special heels 特殊后跟的鞋子 2. hot ice cream scoop热的冰其淋勺子 3. run on electricity 电动的4. be used for 被用作5. the subject for my school project学校项目的课题 6. our daily lives 我们的日常生活 7. have a point有点道理 8. by accident偶然，意外地 9. over the open fire在火堆上 10. fall into the water 落入水中 11. take place 发生 12. without doubt毫无疑问13. at a low price 以一个很低的价格 14. translate the book into different language 把书翻译成不同种的语言15. all of sudden 突然 16. by mistake 错误地 17. a much-loved and active sport一个深受喜爱并且积极的运动18. divideinto 把分开 19. stop sb from doing sth 阻止某人做某事 20. look up to钦佩，仰慕 21. the professional basketball groups职业篮球机构22. use someone elses idea借用其他人的想法【重点句式】1. I think the TV was invented before the car. 我认为电视是在轿车之前发明的。2. -When was the telephone invented? - 电话是什么时候发明的？ -I think it was invented in 1876. -我认为电话是在1876年被发明的。3. -What are they used for? -他们可用来做什么？ -They are used for changing the style of the shoes -他们可用来改变鞋子的样式。4. -When was the zipper invented? -拉链是什么时候发明的？ -It was invented in 1893 .-它是在1893年被发明的。5. -Who was it invented by? -它是由谁发明的？-It was invented by Whitcomb Judson. -它是被惠特科姆.贾德森发明的。6. -When was tea brought to Korea? -茶是什么时候被带到韩国的？ -It was brought to Korea during the 6th and 7th centuries.-它是在六至七世纪被带到韩国的。7. -What is the hot ice-cream scoop used for? -这个热的冰其淋勺子是用来做什么的？-Its used for serving really cold ice-cream -它是用来提供真正冷的冰其淋。【重点知识解析】Section A（1a 2d）a. 词汇包： 1.invent (v.)发明；创造invent 指发明创造出自然界本来不存在的东西，如工具、方法、手段、汽车、电器、合成材料等。【备课例句】Bell invented the telephone. 贝尔发明了电话。Smith invented a new teaching method. 史密斯发明了一种新的教学方法。【横向辐射】discover, find, create 1.discover是“发现”的意思，是指发现原来就有而一直没被发现，如发现电、煤、石油等矿藏及新星、星系或科学真理等。Columbus discovered America in 1492.1492年哥伦布发现了新大陆。Recently they have discovered a comet. 最近他们发现了一颗彗星。2.find的意思是“寻找”，强调找的结果，并不指发现。Ive tried to find another copy but couldnt find one.我试图再找一本，但没能弄到。3.create指有目的地把原材料制成新产品，也指创造出原来不存在的或与众不同的事物。Man creates himself. 人类创造了自己。A novelist creates characters and a plot. 小说家塑造人物并设计情节。【课堂变式】根据语境提示，用invent, discover，find或create的形式填空，完成句子。1.When _ the stream engine（蒸汽机） _?2. I cant _ my bike, Im looking for it. 3. Scientists are now trying to _ if this is possible.4. Do you know who_ the plane？5. He _quite a number of wonderful characters in his play.【解析】I.1.was, invented 2.find 3.discover 4.invented 5. created2. be used for 用来做此短语中的for是介词，表示用途，后接名词或动词-ing形式。【备课例句】An orange is used for medicine. 桔子可以入药。A pen is used for writing. 钢笔用来写字。【横向辐射】be used as& be used by 1.be used as 意为“被用作”，介词as表示“作为”，其后一般接名词，强调使用的工具及手段。【例句】English is used as the second language in many countries. 英语在许多国家被当作第二语言使用。This room is used as their office. 这人房间被用作他们的办公室。2.be used by 意为“被使用”，介词by后面接动作的执行者（宾语）。【例句】English is used by travelers and business people all over the world. 全世界的旅行者和商人们使用英语。Tractors are used by the farmers. 农民使用拖拉机。【课堂变式】1. 在中国英语作为外语来使用。_2.教师用粉笔。_3.毛衣是用来保暖的。_【解析】1. English is used as a foreign language in China. 2. Chalk is used by teachers. 3. A sweater is used for keeping warm.3. pleasure n. 高兴，愉快； 常用于口语中；its my pleasure. With pleasure.【备课例句】Its my pleasure to help you look after your pet cat.我感到很荣幸帮你照看你的宠物猫。【横向辐射】please, pleased, pleasure, pleasant 的区别一、please1.表请求或要求的语气。是动词（及物动词）。-Come in, please.请进来吧。（或Pease come in）-Sit down, please.请坐。（或Please sit down）2.表“讨好，讨人喜欢；喜欢”（不及物动词）或者“使高兴，使满意，使喜欢”（及物动词）-Go where you please.你想去哪就去哪。 -What pleases you best?你最喜欢什么？ 二、pleased形容词。表示“高兴的，喜欢的，满意的”。它指的是人主观上感到的满足心理-Im pleased to see you!见到你真高兴！常用句型有：be pleased to do sth.高兴做某事be pleased at/about/with/by 对感到满意/高兴be pleased that从句 对 感到满意/高兴三、pleasant形容词。表示“令人愉快的”“让人感到满意”。主语一般为物。The walk was very pleasant. 那次散步很（让人）愉快。四、pleasure名词 表示“满足；乐趣；消遣、娱乐”Its a pleasure to read this book. 读这本书真是件乐事。【课堂变式】（1）根据句意，用pleasant, pleased或pleasure填空。1. I had a _ time. 2. He will be _ to help you. 3. Reading gives me great _.4. It gives me _to see you looking happy.5. We spent a _ day in the country.【解析】1.pleasant 2.pleased 3. pleasure 4.pleasure 5. pleasant （2）I think it is impossible to make everyone_. A. please B. pleased C. pleasant D. pleasure【解析】由句意可知，要让每个人高兴是不可能的。pleased表示“高兴的，喜欢的”; 故选B。b. 句式包：When was it invented? 它是何时发明的？本句用于询问某个物品的发明时间，结构为“When + was+某项物品+invented？”，其中was invented是一般过去时的被动语态，其基本结构是“was/were + 过去分词”【备课例句】This book was bought yesterday. 这本书是昨天买的。【横向辐射】几种基本时态的被动语态1.一般现在时：am/is/are +过去分词Football is played all over the world. 足球运动遍及全世界。2.一般过去时：was/were + 过去分词This book was bought yesterday. 这本书是昨天买的。3.一般将来时：will be +过去分词The class meeting will be held tomorrow. 班会将在明天开。4.现在进行时：am/is/are +being +过去分词Our teaching building is being built now. 我们的教学楼正在兴建中。5.过去进行时：was/were + being +过去分词The bus wasnt being repaired by me then. 那时这辆车不是由我修的。6.现在完成时：have/has + been +过去分词The work has been finished by them. 这项工作已经被他们做完了。【课堂变式】1.We _not to play computer games. A. are told B. have told C. told D. tell 【解析】tell sb. not to do sth.意为“告诉某人不要做某事”，这里的主语we是tell这个动作的承受者，故应用被动语态，应选。2.Will you come to the dinner party?I wont come unless Jenny _.A. will be invited B. can be invited C. invited D. is invited【解析】在unless引导的条件状语从句中，主句用一般将来时，从句应用一般现在时来表示将来。根据句意“如果詹妮没有得到邀请，我就不会来。”确定选。3. Im sorry you cant go in now. The room _ yet. A. hasnt been cleaned B. hasnt cleaned C. isnt been cleaned D. isnt being cleaned【解析】由Im sorry you cant go in now.可知房间还没有打扫，再加上the room是clean这个动作的承受者，应用现在完成时的被动语态，故选。4.A talk on science _ in our school next Monday. A. will give B. will be given C. has given D. has been given【解析】主语A talk 是动词give的承受者，应用被动语态。再根据next Monday 确定用一般将来时，故选。Section A（3a 3c）a. 词汇包：1.remain (v.) 保持；剩余；残余remain意为“停留，留下”，相当于stay。“呆在那里”可以说remain / stay there，但“呆在家里”只能说stay (at) home。21世纪教育网版权所有【备课例句】She remains in the house all these days. 她这些天一直呆在那栋房子里。They all wished us to remain. 他们都希望我们留下来。【横向辐射】remain作连系动词remain用作连系动词，意为“保持(某种状态)，继续存在，仍旧是”，后面接形容词，名词，分词，不定式或介词短语。【例句】She remained sitting when they came in他们进来时，她仍然坐着(没有站起来)。Peter became a manager but John remained a worker. 彼得当上了经理,但约翰仍然是一个工人。Whatever great progress you have made, you should remain modest. 无论你取得了多么大的进步,你都应一直保持谦虚。This remains to be proved. 这有待证实。(将来被动动作)Whether it will do us good remains to be seen. 这是否对我们有好处,还要看一看。【课堂变式】The leaves _in the water for a long time. A. came B. remained C. lived D. arrived 【解析】根据for a long time可知是指树叶在水中停留了很长时间，正确答案是B。2. by accident偶然地；意外地【备课例句】He made this mistake by accident.他犯这个错误纯属偶然。【课堂变式】She found her keys _when she cleaned her room after she lost them two weeks ago. A. with mistake B. in this way C. by accident D. with pleasure 【解析】由when she cleaned her room after she lost them two weeks ago可知她是偶然地找到了她丢失的钥匙，正确答案是C。b. 句式包：1. In England, tea didnt appear until around 1660.在英国，茶直到1660年才出现。此句是由until引导的时间状语从句。not. until 意为“只到才”。【备课例句】She didnt leave until I felt better.只到我感觉好点了，她才离开。21教育网【横向辐射】until的用法until常用作介词或连词，用来引导介词短语或从句在句子中作时间状语。1. 在肯定句中，until与延续性、持续性动词连用，表示“直到为止”。I worked until late in the afternoon. 我一直干到下午很晚的时候。2. 在否定句中，until常与瞬间动词、短暂性动词连用，表示“直到才”，“不到不”。The rain didnt stop until midnight. 雨直到半夜才停。I wont leave until you promise to help me. 你不答应帮助我，我不会离开。【课堂变式】How was your climbing Mount. Huang?I didnt believe I could do it _I got to the top.A. until B. while C. after D. and【解析】考查连词用法。notuntil直到才。根据句意“直到我爬到山顶我才相信我能做到”可知选A。Section B（1a 1e）a. 词汇包：by mistake 错误地by mistake 是介词短语，意为“错误地；无意地；不小心地”，指由于错误的判断而千百万的失误，常在句中作状语。21【备课例句】I took your bag instead of mine by mistake.我错拿了你的手提包，还以为是我的呢。Susan forgot her key and locked herself out by mistake.苏珊忘了带钥匙，误把自己关在门外了。【横向辐射】mistake.formistake.for把错认为, 错把当作She mistook him for the professor.她把他错当作教授了。【课堂变式】Im sorry Ive taken your dictionary _ because they have the same colour. It doesnt matter. A. at once B. by mistake C. in general D. as well 【解析】由because they have the same colour可知是错拿了词典，正确答案是B。b. 句式包：1.George wanted to make the customer happy. 乔治想让顾客开心。www-2-1-cnjy-com句中的make意为“使得”，happy是形容词，作宾语you的补足语，对宾语起补充说明作用，常用的结构为“make名词/代词形容词”。2-1-c-n-j-y【备课例句】The bad news makes her sad. 那个坏消息使得她伤心不已。A boy broke the window. It made the headmaster angry. 21*cnjy*com一个孩子打碎了玻璃。这使得校长很生气。【温馨提示】当宾语是不定式短语或从句时，多用it作形式宾语。I made it a condition that everybody must be on time. 我提出一个条件，人人都要准时。The heavy rain made it impossible for us to go out. 大雨使得我们无法出去。【横向辐射】make的其他相关句式1.“make宾语n”意为使/让某人 / 某物(成为)”。【例句】We made him captain of our football team. 我们推选他作我们足球队队长。We made him our monitor. 我们选他当班长。2.“make宾语do sth”意为“使某人做某事”。 在被动语态中，此类结构中省略的动词不定式 to 要还原。【例句】Our teacher makes us feel more confident. 老师使得我们感到更自信了。The boy was made to work twelve hours a day. 这个男孩被迫每天干十二个小时的活。【课堂变式】What do you think her ? A. make; sad B. makes; sadly C. made; sad D. made; sadly【解析】what 作主语时，谓语动词要用第三要称单数形式，可排除A。再根据“make + sb. / sth. + adj.”确定选C。sadly是副词形式。Section B（2a 2e）a.词汇包1. 1.divide (v.) 分开；划分divide into 意为“把划分为” ，be divided into 意为“划分为”。【备课例句】This class is too large; we shall have to divide it for oral 这个班级太大,我们必须把它分成小班作口语练习。This river divides at its mouth. 这条河在河口处分岔。His lecture divides into three parts.他的演讲分三部分。Lets divide ourselves into several groups. 我们分成几个小组吧。【来源：21cnj*y.co*m】【课堂变式】We have d_ ourselves into three groups since this term. 【解析】自从本学期开始就已经把我们自己分成了三个组。have在此是助动词，空格处要填过去分词，再根据divide into确定填divided。b. 句式包：It is believed that the first basketball game in history was played on December 21st, 1891,. 人们认为1891年12月21日是历史上的第一次篮球比赛的日子。【版权所有：21教育】本句中的It is believed that. 相当于people believe that.是“人们相信/认为“的意思，that引导的是主语从句。It is believed that by the year 2010, the population of the world will be seven billion.(=People believe that by the year 2010, the population of the world will be seven billion.)人们都认为到2010年，世界人口将达到七十亿。【横向辐射】类似的结构：It is reported that 据报道It is supposed/thought that 人们认为Its known that众所周知【课堂变式】我不知道这所学校，但据说是非常好的一所学校。I dont know the school, but _it is quite a good one. 【解析】it is said that【语法解析】主动语态与被动语态之间如何转换 We visited that factory last summer 主动语态主语 谓语 宾语 状语That factory was visited by us last summer 被动语态 主语 谓语 宾语 状语 各种不同时态的主动语态与被动语态的对比时态主动语态被动语态一般现在时am / is / are + P.P.（1）Do they speak French ?（2）They dont use the room .Is French spoken by them ?The room isnt used by them .一般过去时was / were + p.p.（1）The man killed a tiger .（2）He wrote many stories last year .A tiger was killed by the man .Many stories were written by him last year .现在进行时am / is / are +being +p.p.（1）These workers are building a new bridge . （2）He is mending his car .A new bridge is being built by these workers . His car is being mended by him .过去进行时was / were + being + p.p.（1）He was selling books .（2）They were discussing the plan at that time .Books were being sold by him . The plan was being discussed by them at that time .现在完成时have / has + been + p. p.（1）She has learned many English words .（2）He has finished the work .Many English words have been learned by her . The work has been finished by him . 过去完成时had + been + p.p.（1）They had solved the problem .（2）We had told him the news by then . The problem had been solved by them . The news had been told to him by us .一般将来时w