【最新】人教版新目标九年级Unit 6 全单元导学案共6课时

《【最新】人教版新目标九年级Unit 6 全单元导学案共6课时》由会员分享，可在线阅读，更多相关《【最新】人教版新目标九年级Unit 6 全单元导学案共6课时（13页珍藏版）》请在装配图网上搜索。

1、最新教学资料人教版英语Unit 6 When was it invented?单元总览类别课程标准要求掌握的项目单元话题 In this unit, students learn to talk about the history of inventions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.

2、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 sco

3、op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

4、 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 th

5、e 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

6、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 fo

7、r? -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。单元语法Passive voice (past tense)课时分解第一课时 Section A（1a 2d）I. I. 知识目标类别课时要点重点单词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；重点词组1. shoes with special heels特殊后跟的鞋子 2. hot ice cream scoo

8、p 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 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? -I think it was invented in 1876.- 电话是什么时候发明的？ -我认为电话是

9、在1876年被发明的。3. -What are they used for? -They are used for changing the style of the shoes.-他们可用来做什么？ -他们可用来改变鞋子的样式。4. The zipper was invented by Whitcomb Judson in 1893. but at that time, it wasnt used widely.拉链是由Whitcomb Judson 在1893 年发明的，在那时它并没有得到广泛应用。II. 课堂环节自主学习方案【自学自查】一、根据汉语提示完成单词。根据汉语提示完成单词。1.

10、 I like the color of this coat but I dont like its style (款式).2. Its my great pleasure (高兴) to have a talk with you.3. The little inventions have helped me a lot in my daily (日常的)life.4. Julia introduced a good website (网站)to me to learn English.5. My mother always lists（列清单）all things that she want

11、s to buy before shopping.课堂导学方案Step 1 情景导入（参考案例）Teacher: There are many useful things in the world. They help us a lot in life. (Show some pictures on the screen)When were they invented?Students: _. The telephone was invented in 1876. The computer was invented in . 环节说明：通过课前的一个师生问答互动引入新课的话题; 通过图片的展示

12、和语言的描述创设了情境，激发了学生的学习兴趣和表达欲望。1. 要求学生翻开课本P41，迅速阅读1a部分的内容。并按要求完成课本上相应的任务: Number the pictures.（1分钟）2. 检查答案，先要求全班一起给出答案并检查讨论。3. 要求学生听第一遍录音，并完成课本上1b的听力任务: Listen and match the inventions with the years. Check their answers: 读出序号-读出年份-读出完整的句子（2分钟）4. 要求学生听第二遍录音，并逐句进行跟读。（2分钟）5. 完成教材1c的任务，要求学生模仿1a内容，进行对话练习。并

13、邀请2-3对同学当堂进行演示。（3分钟）6. 小结训练。要求学生在规定的时间内完成一个小练习。并请若干学生给出自己的答案。有错误的话及时解决纠正。（2分钟）用所给单词的正确形式填空：1) When was the telephone invented (invent)?2) The computer can help us do math problems (help).3) In those day, the woman couldnt afford (afford)a TV because they were really expensive.4) A friend of mine (I)

14、 came to see me last week.5) I think you need to take (take) a history class.环节说明：通过学习1a，使学生对几种重要的发明有所了解，并拓宽了思路；通过1b，锻炼学生的听力及抓取关键信息的能力；通过1c的训练锻炼学生的口头表达能力，同时巩固对本课内容的认识。Step 3 完成教材2a-2c的任务【操作案例】1. 要求学生翻开课本P42。播放录音一遍，完成2a，2b的听力任务，然后个别检查，统一核对答案。（2分钟）2. 要求学生听第二遍录音，并逐句进行跟读。（2分钟）3. 听力内容巩固训练。要求学生根据所听到的内容完成下

15、列各句。完成后要求若干学生给出自己的答案。以巩固对听力内容的了解。（4分钟） The battery-operated slippers are used for seeing in the dark. They were invented by Julie Thompson. This heated ice cream scoop is used for scooping out really cold ice cream. The shoes with adjustable heels are used for cleaning the style of your shoes.4. 大声朗

16、读听力材料。（1分钟）5. 放下听力材料，要求学生模仿听力内容，利用2a，2b的信息分角色练习对话练习。然后邀请2-3对同学当堂演示。看哪一对的表现最佳。（5分钟）6. 播放2d的对话录音，让学生跟读，模仿并理解大意。然后让学生分角色朗读并表演2d的对话。（5分钟）7对话内容巩固训练。要求学生根据2d对话的内容完成下各句。完成后要求若干学生给出自己的答案。以巩固对对话内容的了解。（4分钟）Last week, Roy saw a website, it says the zipper is one of the it greatest small inventions that changed

17、 the world. It mentioned that the zipper was invented by Whitcomb Judson in 1893. but at that time, it wasnt widely used. Paul think he do seems to have a point. The zipper is really such a great invention and its used in our daily lives very often and everywhere.环节说明：将听、说、读、写的任务结合起来不仅锻炼了学生的语言综合运用能力

18、，还巩固了学生对被动语态的学习、识记和运用。当堂评价方案（详见当堂训练部分）备课资料包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

19、。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 a

20、nd 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.

21、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 langu

22、age 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

23、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

24、 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 pl

25、eased 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.H

26、e 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。

27、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

28、：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

29、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

30、invitedB. can be invitedC. 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

31、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 givenC. has givenD. 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。第二课时 Section A（3a 3c）I. 知识目标类别课时要点重点单词1.nearly adv.几乎，差不多； 2.boil v. 煮沸，烧开；3.remain v. 保持不变；剩余；4.na

32、tional adj.国家的，民族的；重点词组1. by accident偶然，意外地 2. a Chinese ruler called Shen Nong一位叫神农的中国统治者3. over the open fire在火堆上 4. fall into the water 落入水中 5. make tea 泡茶 6. take place 发生 7. without doubt毫无疑问 8. the saint of tea茶圣 重点句式1. The most popular drink in the world was invented by accident? 世界上最受欢迎的饮料是被

33、偶然发明的。2. Many people believe that tea was first drunk by Shen Nong nearly 5.000 years ago . 许多人相信茶是在将近五千年前由神农首先喝的。3. A nice smell was produced when the tea leaves dropped into the hot water.当茶叶落入热水中时发出一种很香的味道。4. It also discusses where the finest tea leaves were produced and what kinds of water were

34、 used.它也讨论了什么地方出产最好的茶叶并且用什么样的水。5. It is believed that tea was brought to Korea and Japan during the 6th and 7th centuries. 已确信茶是在六到七世纪期间被带到韩国和日本的。II. 课堂环节自主学习方案【新词自查】根据汉语提示完成单词。1. The tiger is looked as the ruler（统治者）of this forest.2. Most students went to the playground. Only a few remained (剩下)to

35、clean the classroom.3. Alice is without doubt (怀疑) the best student in our class.4. The dragon is treat as a national (民族的)symbol of the Chinese.5. Mother is boiling (煮沸) the milk for the baby.课堂导学方案Step 1情景导入（参考案例）本课时的主要内容是一篇小短文，在学习短文之前教师可准备几个与短文内容相关的问题，然后邀请几位同学就提出的问题给出自己的答案或见解。（4分钟）Questions:1. Do

36、 you drink tea every day?_2. Who invented tea in history?_3. Do people in other countries drink tea in their daily life？_环节说明：通过带着问题去学习短文，从而达到导入新课的目的，同时也可以使学生积极阅读短文，以了解更多的关于茶的知识。Step 2完成教材3a 的任务1. 要求学生快速默读短文，熟知大意，并完成课本3a的任务：match each paragraph with its main idea; 然后邀请几位同学给出自己的答案，全班一起学习讨论。（3分钟）2. 先邀

37、请几位同学阅读短文（可一人一段），教师要注意学生的语音，给予必要的朗读指导。然后播放录音，全班同学一起跟读。（3分钟）3. 短文内容巩固练习。教师可给出一篇改写了的短文，将一些重点的表达方式空出。让学生在规定的时间内补全短文。然后邀请若干同学给出自己的答案。（4分钟）Tea is the most popular drink in the world. But to our surprise, it was invented by accident. It wasnt brought to western world until 1610, but it was discovered 3,00

38、0 years earlier. An ancient Chinese legend says Shen Nong discovered the tea when he was boiling drinking water in the open air. Some leaves from a nearby bush fell into the water and remained there for some time. And a pleasant smell came from the water then. He tasted the mixture and it was wonder

39、ful. And in this way, tea was invented. 4. 完成教材3b的任务，要求学生再次阅读短文内容，回答3b中所提出的问题（5分钟）5. 用3c方框中所给的单词的正确形式完成句子；设置一个5分钟的时限；然后请5位同学分别朗读句子，同时核对答案。1. invented 2. drunk 3. produced 4. brought 5. traded环节说明：将听、说、读、写的任务结合起来不仅锻炼了学生的语言综合运用能力，还巩固了学生对目标语言的学习、识记和运用。当堂评价方案（详见当堂训练部分）备课资料包a. 词汇包：1.remain (v.) 保持；剩余；残余r

40、emain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。【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

41、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 t

42、he 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

43、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。【横向辐射】until的用

44、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

45、. Huang?I didnt believe I could do it _I got to the top.A. until 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。第三课时Section A（Grammar focus 4c）I. 知识目标类别课时要点重点单词1. low adj.低的，矮的； 2.translate v. 翻译； 3.lock v.锁上；n. 锁；4.sudden adj. 突然的； 重点词组1. at a low price 以一个很低的价格 2. take these

46、 photos 拍这些照片 3. go out alone 单独外出 4. translate the book into different language 把书翻译成不同种的语言5. all of sudden突然 6. work on 从事，进行 重点句式1. -When was the zipper invented? -It was invented in 1893.-拉链是什么时候发明的？ -它是在1893年被发明的。2. -Who was it invented by? -It was invented by Whitcomb Judson.-它是由谁发明的？-它是被惠特科姆.

47、贾德森发明的。3. The fridge was sold at a low price. 这个冰箱被以低价卖掉了。4. The students were told not to eat or drink in class. 学生们被告知在课堂上既不吃或喝任何东西。II. 课堂环节自主学习方案【新词自查】根据汉语提示完成单词。1. The boy lost his parents during the last years earthquake (地震).2. The students were asked to translate (翻译) the story into English.3

48、. The police found the lost boy under the destroyed house through an instrument (仪器)。4. I only have some biscuits (饼干) and a glass of milk every morning.5. If you cant eat all these fruit , you may put some into your fridge (冰箱).课堂导学方案Step 1情景导入（参考案例）本课时的主要内容是谈论发明对我们生活的影响，有好的也有不好的。在学习短文之前教师可准备几个与短文内

49、容相关的问题，然后邀请几位同学就提出的问题给出自己的答案或见解。（4分钟）Questions:1. What invention do you like best? Why?_2. What invention do you hate a lot?_3. List as many of them as you can._环节说明：通过带着问题去学习，从而达到导入新课的目的。Step 2. 畅通Grammar Focus回顾语法重点.要求学生分角色问答并翻译表格中的句子。出说被动语态的各种句式的变化形式。并能造出相仿的句子。SA: When was the car invented ?SB: I

50、t was invented in 1885.SA: When were electric slippers invented?SB: They were invented last year.SA : Who were they invented by?SB: They were invented by Julie Thompson.SA: What were they used for?SB: They were used for seeing in the dark.简要归纳被动语态的结构及用法。Step 3完成教材4a-4c的任务1. 要求学生翻开课本P44，参照4a所提供的信息和例句

51、，用被动语态改写句子.给出5分钟的时限，并请另4位同学在黑板上改写，全班集体核对答案。（5分钟）参考答案2. My camera was stolen from my hotel room by somebody.3. Where were these photos taken?.4. We are advised by our parents not to go out alone.5.The book was translated by different writers into different languages.2.用所给单词的正确形式完成4b句子。给出5分钟的时限，并请另个5位

52、同学朗读句子，全班集体核对答案。1. were invited 2. were brought 3. was locked, rang 4. were told, broke 5. were eaten, liked3. 先浏览4c的短文，确定空格处的动词是用主动形式还是被动形式，然后用动词的正确形式填空完成短文。给出5分钟的时限，并请1位同学朗读短文，全班集体核对答案。1. was invented 2. was born 3. worked 4. learned. 5. was invented 6. was said 7. is used4. 小结训练。要求学生在规定的时间内完成一个小练

53、习。并请若干学生给出自己的答案。有错误的话及时解决纠正。（2分钟）用所给词的适当形式填空。1. This instrument is used for playing (play) music in class.2. How many magazines were borrowed (borrow) from the library today?3. Edison was a great inventor. He had over 1.000 inventions in his life.(invent). 4.A picture was put (put) on the blackboard

54、 before class.5. Plates and dishes werent washed (not wash) after supper yesterday. 环节说明：将听、说、读、写的任务结合起来不仅锻炼了学生的语言综合运用能力，还巩固了学生对目标语言的学习、识记和运用。当堂评价方案（详见当堂训练部分）第四课时 Section B（1a 1e）类别课时要点重点单词1. crispy adj. 脆的；酥脆的；2. salty adj. 咸的；3.sour adj. 酸的，有酸味的；4.customer n. 顾客。重点句式1. -Did you know potato chips w

55、ere invented by mistake? -I didnt know that. Who invented them? -Potato chips were invented by a cook called George Grum. -我不知道，是谁发明的? -土豆条是由一个叫George Grum的厨师发明的。2. The customer thought the potatoes were not thin enough.顾客认为土豆不够薄。3. Finally he put lots of salt on them so they were salty enough. 最后他在

56、他们上面撒了许多盐以使他们足够咸。I. 知识目标II. 课堂环节自主学习方案【新词自查】根据句意及首字母提示完成单词。1. I dont like lemons because they are too sour. 2. Lucy and Lily are twins. People often mistake them for each other.3. For a restaurant, customers are the most important.4. The fish was too salty because my mom put too much salt on it.5. W

57、e often put the food into the fridge to keep it fresh in summer.课堂导学方案回顾：在前面的课程我们已经学习并了解了几种有用的发明，它们在很大程度上改变了我们的生活，使我们的生活更丰富多彩。下面提几个简单的问题来回顾上节课的内容：4. When was the telephone invented? _5. Can you imagine the life without telephones?_6. What do you think is the most helpful invention?_4. What would you

58、 most like to invent if you could?_环节说明：课前的师生问答互动不仅让学生回顾了上节课的内容，巩固了被动语态，同时，让他们知道创新和发明可以改善人类的生活，要勇于开拓、创新。Step 2完成教材1a-1e的任务1. 要求学生翻开课本P45，迅速阅读1a部分的内容。并按要求完成课本上相应的任务in 1a. 然后要求4名同学给出自己的答案，并进行个读，齐读。（2分钟）要求学生完成1b部分的任务：Write the name of a different food after each word .然后邀请几名同学给出自己的答案。并把收集的答案列举在黑板上。（4分钟

59、） 参考案例sweet bananas; crispy chips; salty noodles; sour grapes3. 听第一遍录音，完成课本上1c部分的任务: Listen and circle T or F. (2分钟) 1T 2F 3T 4F 5F 6T4. 听第二遍录音，完成课本上1d部分的任务：Listen and complete the sentences. (2分钟)5. 听力内容巩固训练。要求学生根据所听到的内容完成下列对话。完成后要求若干学生给出自己的答案。以巩固对听力内容的了解。（3分钟）Do you like potato chips? Do you know how the potato chips were invented? Now, lets listen and fill in the blanks.Potato chips were invented by mistake. They were invented by a chef called George Crum. One day a customer thought the fried potatoes werent thin enough and werent salty enough. So George cut them really thin and cooked t