1、1Unit 6 When was it invented?第 1 课时 Section A（1a 2d）第 2 课时 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 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
2、 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?2-I think it was invented in 1876.- 电话是什么时候发明的？-我认为电话是在 1876 年被发明的。3. -What are they used for?-They are used for changing the
3、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. I like the color of this coat but I dont like its style (款式).2. Its m
4、y 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 wants to buy before shopping.课堂导学方案Step 1 情景导入（参考案例）Teacher: There are man
5、y useful things in the world. They help us a lot in life. (Show some pictures on the screen)When were they invented?3Students: _. 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
6、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
7、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) came to see me last week.5) I think you need to t
8、ake (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。4Step 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
9、 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
10、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 the world. It men
11、tioned 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，还巩固了学生对被动语态的学习、识记
12、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5invent 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 discove
13、red 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
14、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, inv
15、ented 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】6An 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 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
16、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
17、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】91.We _not to play computer games. A. are tol
18、d 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
19、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。
