湖北省随州市曾都区府河镇中心学校九年级英语上册 Unit 4 Topic 2 When was it invented？导学案（无答案） （新版）仁爱版(1).doc

unit 4 topic 2 when was it invented？ section a【学习目标】1.学习一般过去时的被动语态；（1）学习be made of和be made from的区别;（2）学习句型when/where was it developed?2.学习表达希望和祝愿的句型；3.讨论新科技及发明。【预习】在文中找到并划出下面的短语 1.不被允许做某事_2.对你的健康有害_3.在上花太多的时间_ 4.让某人看某物_5.金属制造的_6.把发射到太空_7.从中学到很多关于的事_8.(梦想)实现_9.用木材做的（看得出）_10.用木头做的（看不出）_【知识梳理】 在文中划出下面的句子并分析 1. its used for sending satellites or spaceships into space. 点拨：a.be used for doing sth. -(被)用来 (强调用途或作用) b.be used to do sth. - (被)用来去做(强调目的)c.be used as - (被)用作(强调被用作工具或手段) d.be used by -被使用，后跟人/物（强调使用者）注意：be used to doing sth. = get used to doing sth. - 习惯做某事 used to do sth. - 过去常常做某事2. i wish i could go into space some day. 点拨：此处为虚拟语气，即所希望之事较为渺茫。链接：(1)hope的用法与wish相似 切记！没有hope sb. to do sth. 结构 (2)hope+(that) 宾语从句，表示能实现的愿望。 如: i hope i can go there one day.3. its made of wood. 点拨：a. be made of - 用制造的（从成品中可以看出原材料） b. be made from -(从成品中看不出原材料)c. be made by- 由（被）（人）制作d. be made in 在某地制造 e. be made into - 被制成某物4. because im not allowed to play computer games. 点拨：allow -1) allow sb. to do sth. - 允许某人做某事 2）be allowed to do sth. 被允许做某事 【练习】i. 按要求变化下列各句1. my parents didnt allow me to play computer games. （改为被动语态） i _ not _ to play computer games by my parents. 2. the computer desk is made of wood. （对画线部分提问） _ the computer desk made of?3. jim bought a new sweater. （改为被动语态） a new sweater _ by jim. 4. the house wasnt built in 1998 by them. （改为被动语态） they _ the house in 1998.5. did he make you work for long time at night? （改为被动语态） _ you _ to work for long time by him at night?ii 选用所给单词，并用其正确形式填空good, wash, use, million, in, do, print, other, wide, invent in the modern life we have many machines. there machines are (1)_ used all over the world. they can make things (2)_ and faster than people can. a washing machine can help us (3)_ clothes quickly. well have much time (4)_ what we want o do. a printing machine (5)_ a lot of books, newspapers and many (6)_ things quickly. buses, bikes, cars, trains, planes and ships help us travel faster than before. the computer was _(7) many years ago. it is one of the most important inventions. today it is (8)_ in many ways. it can store information and work out math problems (9)_ of times faster than before. (10)_a few years the computer may touch everyones life, even people in villages. iii. 汉译英1. 邮票是用来寄信的。 stamps _ sending letters. 2. 我们在阅览室里不准抽烟。 we _ in the reading-room. 3. 这座桥是由石头制成的。 the bridge _ stones. 4. 我希望有一天人类能居住在月球上。 i wish human beings _ on the moon one day. 5. 据说纸是中国人发明的。 _ that paper _ by chinese. section b【学习目标】1.继续学习一般过去时的被动语态；2.了解一些科技成果，特别是克隆技术，讨论克隆技术的益处和害处；3培养学生对科学的热爱之情。【预习案】在文中找到并划出下面的短语 1下面的信息_2.全世界_3一个造动物的实验_4.迄今为止_5包括人类在内_6.与相似_7.与一样_8无疑的是_ 9.造福人类_ 10挽救濒危动物 _11.克隆技术_12人体器官_13在它的帮助下_14开发更多的途径_15.治疗许多严重的疾病_16.心脏病_17.危害社会_18.制定法律_19.确保_ 20.克隆的优缺点_【知识梳理】在文中划出下面的句子并分析1.点拨：invent- 发明，创造(动词) 拓展：发明(可数名词)-_; 发明家-_2.there is dna in most living things, including human beings. 点拨：including - 包括,包含(介词) ； include - 包括,使成为一部分(动词) 3.拨：human being -人(可数名词) 相当于a man / a woman / a child, 而man - 男人(可数名词) -人类(不可数)练习： 写出下列名词(短语)的复数 englishman-_ german-_ woman _driver-_ human being-_【练习】i. 完成下列同义句变化1. he doesnt want to be a teacher any more. he _ a teacher. 2. i wasnt allowed to go out at night by them. they didnt _out at night.3. cups are used to drink tea. cups are used _ tea.4. what do you think of the radio? _ the radio?5. your mobile phone is similar to mine. your mobile phone _ mine.ii. 根据汉语提示完成句子1. _（到目前为止）, i have learned about 10,000 english words. 2. the clothes are _（做的）wool. they can keep warm. 3. lin tao has changed a lot, he will _（不再）be our friend. 4. you can learn english well _（只要）you keep on working hard. 5. its our duty to _（做出重大贡献）to protecting our environment. section c【学习目标】1. 复习一般过去时的被动语态2. 讨论怎样使机器人更好地服务人类，培养学生的科学探究精神。【预习案】在文中找到并划出下面的短语 1.确切地知道_2总是，一直_3.对感到吃惊_ 4.机器人的快速发展_5.不再_6.对待我们如同一样_7.为做出很大的贡献_8.have bad effects on_ 【知识梳理】 在文中划出下面的句子并分析 1.no one knows for certain, but most people think that robots will be part of our lives. 点拨：know for certain 确切地知道 for certain = for sure - 确切地,肯定地2.one scientist warns that if robots start to think for themselves, they will no longer want to be our servants, but our masters. 点拨：warn -警告,告诫(动词) 总结：(1) warn sb. of/ about sth. - 警告某人某事 (2) warn sb.(that)- 警告某人 (3) warn sb. not to do sth. = warn sb. against doing sth. - 警告某人别做某事 点拨：no longer, no more, not any more, not any longer - 不再 区别：_和_可以放在情态动词，be动词和助动词之后，行为动词之前，也可以放在句子最后注意：no longer和not any longer表示动作不再延续，必须和表示持续意义的动词一起连用；no more和notany more 表示动作不再重复出现，常和短暂性动词连用。点拨：notbut- 不是而是 练习：a.这幅画不是你的而是我的。the picture is _ _ _ _.注意：当notbut连接两个并列主语时，谓语动词遵循“就近原则” 练习：不是你而是他已经犯了个大错误。_ you _ he _ _ a serious mistake.思考：我们学过遵循“就近原则”的结构还有：_ / _ / _ / _3.it has made a great contribution to humans health. 点拨：make a great contribution to (doing) sth.-为(做)某事作出贡献 注意：to在此是介词 那位科学家已经为探月作出了巨大贡献。the _ has _ _ _ _ to _the moon.思考：我们学过的类似上文介词to的短语还有：习惯于_;坚持_;期待_4.robots are meant to be our servants, arent they? 点拨：be meant to be - (命中)注定是 , 应该是 【练习】i. 按要求变化下列各句1. we planted many trees in our school last spring. （改为被动语态） many trees _ in our school last spring by us.2. the policeman made the young woman move her car. （改为主动语态） the young woman _ her car by the policeman.3. an english song was sung by her in our school hall last night. （改为主动语态） _ an english song in our school last night. 4. the bike was borrowed by wang fei. （改为主动语态） wang fei _ the bike. 5. the coat with four pockets was bought for me by my father. （改为主动语态） my father _ the coat with four pockets. 6. did she take photos near tianchi when the guide showed her around mount changbai?_ photos near tianchi _ by her when _ by the guide around mount changbai?ii. 汉译英1. 不准我晚上熬夜。 i _ to stay up too late at night. 2. 我们每个人对科学的快速发展都感到惊讶。 every one of us _ the rapid development of science. 3. 机器人能够帮助我们完成一些危险和艰难的工作。 robots can help us finish some _and _. 4. 书本是纸张做的，而纸张又是竹子做的。 textbooks _ paper while paper _ bamboo.5. 如果你花太多时间打游戏，这对你身体有害。 its _ your health if you spend _.6. 你知道毛笔是用来做什么的吗？ do you know _ a writing brush _?7. 我希望上大学的愿望能实现。 i hope my dream of going to a college will _.8. 英语学习机是用来帮助我们英语水平提高的。 english learning machine is used for _our english. section d【学习目标】1.复习一般过去时的被动语态； 2.了解全球定位系统。【预习案】在文中找到并划出下面的短语 1.探索我们的世界_2.在哪个方向_3.只要_4.在其余时间里_5.地球的形状_6.(某人)迷路_7.令他吃惊的是_8.被警察抓住_【知识梳理】 在文中划出下面的句子并分析 1.this method worked well at night as long as the weather was good and the stars could be seen.点拨：work well - (方法)可行, (物品)正常工作 拓展：(衣物)好洗_(货物)好卖_(机器)运转正常_点拨：as long as = so long as - 只要(引导条件状语从句)练习：a.只要你们有足够的钱，就有机会到国外度假。youll have _ _ _ _ _ for a holiday _ _ _ your money is _.2.gps is a great invention that helps us explore our planet and discover where we are.思考：句子中that引导了一个_从句；where引导了一个_从句b. none of them knew where they were or what they were doing.译：_【练习】一、词汇：(a)根据句意和首字母，填入所缺的单词：1. im not a_ to go out in the evening by my parents.2. thomas edison made 1093 i_ in his life.3. this english learning machine can help us to i_ our english.4. the person who works in another persons house is called a s_.5. i drank half of the milk and the r_ of the milk went bad.(b)根据汉语意思，填入所缺的单词：1. at last her dream _ _(实现)2. people _ _ _(对感到惊讶) the rapid development of robots.3. well go to the concert _ _ _(只要) we have tickets.4. you are _ _(不再) a little girl.5. these scientists have _ _ _(对做贡献) our space industry.6. _ _ _(让我惊讶的是)，he failed the exam.(c) 从方框中选择正确的词并用其适当形式填空： invite, plant, send, wide, buy, surprise 1.the mp3 _ for me by my mother last week.2.i _ to play basketball last saturday.3.they are _ at the news. how exciting it is !4.they made a contribution to _ trees.5.stamps are used for _ letters.6.computers are _ used in our everyday life.二、重点句型和语法：一般过去时态的被动语态结构：_(a)选择下列的词填空：1. be made of, be made from, be made in, be made up of this watch _ china. the paper _ wood. the passage _ three parts. the scarf _ silk.2. be used for, be used as, be used by english _ widely _ many people from different countries. knives _ cutting things. mobile phones _ tools that make people communicate easily.(b) 选择填空：( )1. -did you go to jims birthday party? - no, i _. a. am not invited b. wasnt invited c. havent invited d. didnt invited( )2.-your coat looks nice. is it _ cotton? -yes. its _ shanghai. a. made of, made by b. made of, made in c. made for, made in d. made from, made by( )3. computers are very useful. for example, they can _ sending e-mails. a. be used to b. be used with c. be used for d. be used of( )4. -whats your bag_, paul? -clothes and some school things. a. fill with b. filled with c. filled of d. filling( )5. students _ slippers(拖鞋) when they jare at school. a. dont allow to wear b. are not allowed to wear c. arent allowed to put on d. arent allowed wearing( )6. a neighbor helped to keep our dog. it _ while we were on holiday. a. was taken care b. took care of c. is take care of d. was taken care of( )7. - these bananas look different and they are sweet.- right. they_ here from taiwan yesterday.a. was brought b. were brought c. bring d. are brought( )8. the first computer _ by charles babbage. a. is invented b. was invented c. invented d. has invented(c)将下列句子改为被动语态：1. they invented a new bike. _2. they didnt do their homework yesterday. _3. did she finish her homework on time? _4. when did he cr