（襄阳专版）九年级英语全册Unit 6 When was it invented教案（新版）人教新目标版
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Unit 6 When was it invented？
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。
单元语法Passive voice (past tense）
教学目标1。能掌握以下句型：
①—When was the telephone
invented？
—I think it was invented in 1876。
②—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。
3。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
学生善于观察事物，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，拥有强烈求知欲的素
养。
学情分析
本单元话题是发明，学生们对发明不
太熟悉，因此教师在讲前应普及下有
第一课时Section A(1a～2d）
错误!
错误!错误!错误!错误!
错误!错误!错误!错误!
§自主学习案
翻译下列词组.
1．特殊后跟的鞋子shoes__with__special__heels
2．热的冰淇淋勺子hot__ice。cream__scoop
3．电动的run__on__electricity
4．被用作be__used__as
5．学校项目的课题the__subject__for__my__school__project
6．我们的日常生活our__daily__lives
7．有点道理have__a__point
§课堂导学案
Step 1 准备与热身（Preparation)
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: It’s a car.
S2： It's a telephone.
S3：It’s a television.
T： Do you know who these inventors are？
S1： Karl Benz.
S2: Alexander Bell.
S3: J．L.Baird。
Let students match the inventions and the inventors。
Step 2 呈现与输入(Presentation）
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(help） us do math problems。
3。 In those days, the woman couldn't 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__take (take) a history class。
Step 3练习与体验(Practice)
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）
Step 4 运用与生成(Production)
1．放下听力材料，要求学生模仿听力内容，利用2a，2b的信息分角色进行对话练习。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)
2．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）
3．对话内容巩固训练。要求学生根据2d对话的内容完成短文。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 greatest small inventions that changed the world.It mentioned that the zipper was invented by Whitcomb Judson in 1893.But at that time， it wasn't widely used。Paul thinks he do seems to have a point.The zipper is really such a great invention and it’s used in our daily lives very often and everywhere.
Step 5 巩固与提高(Progress)
探究点
They're used for seeing in the dark。人们在黑暗中用它们来照路。
be used for被用来做……
短语后接名词或动词的.ing形式.
e．g。Knives are used for cutting things.刀用来切东西.
English is used for business。英语用于做生意。
【拓展】
（1）be used as被用作……，介词as表示“作为"，其后接名词,强调使用的工具及手段。e．g。The room is used as an office。这间房被用作办公室.
(2）be used by被……使用，介词by后面接动作的执行者。
e．g.Cellphone is used by most people.大多人都用手机。
（3）be used to do sth。被用来做某事。
e．g。Smartphones are used to play games。智能手机可被用来玩游戏。
针对训练
用use的恰当形式填空.
1．Everything you say will be recorded and will be__used__by us.
2．Some herb(草本植物)can be__used__as medicine.
3．The bricks（砖）are__used__for building houses.
Step 6 家庭作业（Homework）
1．背诵2d的对话。
2．完成本单元学生用书第一课时的练习.
§教学反思:__
__
__
第二课时Section A(3a～4c)
错误!
错误!错误!错误!错误!
§自主学习案
翻译下列词组。
1．偶然地by__accident
2．据说It__is__said__that
3．落入水中fall__into__the__water
4．在火堆上over__an__open__fire
5．泡茶make__tea
6．最上等的茶叶the__finest__tea__leaves
7．茶圣the__saint__of__tea
8．人们相信It__is__believed__that
9．发生take__place
10．无疑without__doubt
11．以一个很低的价格at__a__low__price
12．拍这些照片take__these__photos
13．单独外出go__out__alone
14．把书翻译成不同种的语言translate__the__book__into__different__languages
15．突然all__of__a__sudden
16．从事work__on
17．不到,少于less__than
§课堂导学案
Step 1 准备与热身（Preparation）
播放视频《茶叶的起源》，让学生们了解中国的茶文化，及茶叶被发明的渊源,并了解其发展过程。
1．What is the video about?
2．Who is the writer of Cha Jing？
Students try to answer the questions：
It’s about the tea。
Lu Yu。
Step 2 呈现与输入(Presentation)
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）
Step 3练习与体验(Practice）
1．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）2．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.
参考答案
1．invented 2。drunk 3.produced 4。brought 5.traded
Step 4 运用与生成(Production)
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 wasn’t brought to western world until 1610, but it was discovered 3,000 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 wonderful。And in this way, tea was invented。
Step 5 呈现与输入(Presentation)
学生阅读Grammar Focus中的句子，然后完成本单元学生用书单元语法小专题Grammar Focus的精讲专练部分.
Step 6 运用与生成(Production）
1．要求学生翻开课本P44，参照4a所提供的信息和例句，用被动语态改写句子。给出5分钟的时限，并请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 were 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5位同学朗读句子，全班集体核对答案。
参考答案
1．were invited 2。were brought 3。was locked， rang 4.were told, broke 5。were eaten, liked
3．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。
参考答案
1．was invented 2.was born 3.worked 4.learned 5.was invented 6.was said 7.is used
Step 7 巩固与提高(Progress)
探究点
The Chinese are without doubt the ones who best understand the nature of tea。毫无疑问，中国人是最了解茶的性质的民族之一。
without doubt毫无疑问地；的确，固定短语，在句中作状语。
e．g.Without doubt， he is the best student in our class.毫无疑问，他是我们班上最好的学生。
He is, without doubt, the greatest golfer in Japan。毫无疑问，他是日本最好的高尔夫球手。
【拓展】 doubt作动词的句型：
(1)doubt＋名词或代词.
e．g。I doubt his words.我怀疑他的话.
（2）doubt＋宾语从句.
①在否定句和疑问句中,doubt后接that引导的宾语从句.
e．g.I don't doubt that he can finish the work on time。我相信他能按时完成任务.
②在肯定句中,doubt后面一般接whether或if引导的宾语从句。
e．g.I doubt whether/if she will keep her word。我不敢肯定她会信守诺言。针对训练
根据汉语，完成句子。
1．毫无疑问，外观比价格重要。
Without__doubt，appearance comes before price。
2。我怀疑他们能否游过河去。
I doubt whether__they__can__swim__across__the__river。
3．我相信他一定会成功。
I don’t__doubt that he will succeed。
Step 8 家庭作业（Homework)
完成本单元学生用书第二课时的练习。
§教学反思：__
__
__
第三课时Section B(1a～1e)
错误!
错误!错误!错误!错误!
课堂错误!错误!§自主学习案
翻译下列词组。
1．错误地，无意地by__mistake
2．尝起来很脆taste__crispy
3．不够薄not__thin__enough
4．使顾客高兴make__the__customer__happy
5．最后终于in__the__end
6．在……上放了很多盐put__lots__of__salt__on__…
7．烹饪了很长时间cook…__for__a__long__time
8．土豆条potato__chips
§课堂导学案
Step 1 准备与热身（Preparation）
1．Let students watch an interesting picture.
2．Ask some questions about them。
T： What did they eat?
S1: Icecream。
T: What did the big dog think of the ice。cream?
S2： Sweet, cool, and delicious!
T:Well let's look at some other delicious food, please。
Step 2 呈现与输入(Presentation）
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。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）
2．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）参考答案
sweet banana;__crispy chips;__salty noodles；__sour grapes 3．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）1．T 2。F 3。T 4。F 5。F 6。T
Step 4 运用与生成（Production）
1．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)
2．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，let’s listen and fill in the blan ks.
Potato chips were invented by__mistake.They were invented by a chef called George Crum。One day a customer thought the fried potatoes weren’t thin enough and weren’t salty enough。So George cut them really thin and cooked them for a long time until they were crispy。And he sprinkled a lot of salt on them so they were salty.
3．听第三遍录音，并打开听力材料，全班逐句进行跟读.（2分钟)
4．放下听力材料，要求学生利用1c和1d的听力内容;模仿1e方框所给的对话编造一个有关土豆条的发明的对话练习.然后邀请2－3对同学当堂分角色演示。看哪一对的表现最佳.（5分钟）
Step 5 巩固与提高(Progress)
探究点一
Potato chips were invented by mistake。薯条是被阴差阳错地发明的。
by mistake固定短语,意为“错误地”，常用在句中作状语.
e．g.He took my umbrella by mistake.
【拓展】
（1）make a mistake犯错，也可写成make mistakes
e．g。Don't worry, we all make mistakes.
（2）mistake sb。/sth.for sb./sth。把……错当成……
e．g.I mistook her for her sister。我把她误看成她妹妹。
针对训练
1．I'm sorry I took your pen by__mistake__(错误地）．
2．It's normal to make__mistakes（犯错)while learning English。
3．I mistook (错当成)her umbrella __for mine.
探究点二
George wanted to make the customer happy.乔治想使顾客高兴。
make the customer happy是make的一个固定结构。其结构为:make＋宾＋形容词，意为“使某人/物……"。
e．g。The good news made me excited。这个好消息使我很兴奋。
【拓展】
(1)make＋宾＋do sth.让某人做某事
e．g.My parents often make me do some housework.我父母经常让我做一些家务活.
（2）make＋宾＋名词/代词，使某人/物(成为）……
e．g.We made him our monitor。我们让他当我们的班长。
（3）make＋宾＋动词的过去分词,使某人/物被……
e．g.Can you speak louder to make yourself heard?你能说大点声，让别人听得见吗？
针对训练
用所给词的适当形式填空.
Unit 6 When was it invented?
本单元围绕“发明”这一话题，学习了解一些重要发明的历史，教学一般过去时的被动语态。Section A介绍了我们日常生活中的一些常见物品的发明历史，如电视、电话、拉链、茶叶等。内容上包括谈论它们的发明时间、被什么人发明、它们的作用和发展等；从语言结构上，学习被动语态的过去时，单元主题图由四副小图组成，呈现的是现代生活中的常见用品：电视、电话、电脑和小汽车。从运用I think it was invented before/after…讨论图片中物品发明的先后顺序开始，到听说训练本单元的重点语言结构：When was it invented？It was invented in…，Who was it invented by？It was invented by…，What was/is it used for？It was/is used for…不断深入学习，再进入阅读训练，训练学生的阅读技巧，学习拓展词汇和语言结构。Section A的重点是培养学生运用被动语态的意识，掌握更多的动词过去分词形式。Section B 依然围绕发明创造这个话题，要求学生继续学习巩固相关的内容和语言知识。在语言技能方面，对听说读写的专项训练和综合训练在本部分里都有体现。在语言策略上，提出让学生学习使用思维导图，以加深对文章的理解和对知识的记忆。在听力训练过程中，需要学生运用反义词、信息综合判断等，训练捕捉信息、处理信息的能力。在阅读训练中，需要学生学习和掌握如何利用思维导图帮助理清、记忆阅读语篇中的相关信息，把获取的信息转换成图形来帮助记忆。积极运用阅读策略有助于学生更好地掌握文章要点和细节等信息，降低语篇的学习难度，也有助于培养学生主动学习的习惯。
九年级英语全册Unit6Whenwasitinvented 教案(新版)人教新目标版 Unit 6 Do you know when basketball was invented 词组,有用表达 1. the safety of…. ….的安全…from…/prevent…from… 2. knock into 撞到…上阻止……做某事_ 3. fall down 摔倒 of doing 梦想做…. 4. the aim of ……的目的doubt毫无疑问 5. shoot from below the basket up to 钦佩；仰慕导致从篮下投球 24. not only.. but also…不但……而 6. guide…into 引导…进入…且…… 7. It is believed…被认为 our daily life 在我们的日常生活 8. in history 在历史上中 9. since then 自从那时 about考虑;思考 10. over the open fire 在明火上that time在那时 Olympics 奥林匹克运动会widely used by 被广泛使用 a point 有道理有道理last=in the end 最后，终于 accident偶然；意外地 the same time 同时into掉入 a hard wooden floor place发生；出现在坚硬的木制地板上 . . into 把…翻译成… 32. at a low price 以低的价格 of a sudden突然；猛地similar to与……相似 mistake 错误地is said 据
Unit 6When was it invented? Section A (1a－2d) 1．重点单词：heel，scoop，electricity，style，project，pleasure，zipper，daily，website，pioneer，list，mention 2．重点短语：be used for，think of，have a point 3．重点句式：—When was the telephone invented? —I think it was invented in 1876. What are they used for? Can you help me think of an invention? Is it really such a great invention? Think about how often it's used in our daily lives. The pioneers of different inventions were listed there. At that time，it wasn't used widely. 1．重点短语和句型 2．一般过去时态的被动语态 一般过去时态的被动语态 一、预习课本P41－42新单词并背诵，完成下面的汉译英。 1．鞋跟________ 2.铲子________ 3．电能________ 4.样式________ 5．项目________ 6.高兴________ 7．拉链________ 8.日常的________ 9．网站________ 10.先锋________ 11．名单________ 12.提到________ 二、认真预习1a－2d找出下列短语和句型。 1．被用来…… ________________________________________________________________________ 2．考虑________________________________________________________________________ 3．有道理________________________________________________________________________ 4．—电话是什么时候发明的？ —我认为它是1876年发明的。 ________________________________________________________________________ ________________________________________________________________________ 5．它们是用来干什么的呢？ ________________________________________________________________________ 6．你能帮我考虑一种发明吗？ ________________________________________________________________________ 7．它真的是如此伟大的一项发明吗？ ________________________________________________________________________ 8．考虑一下它在我们的日常生活中使用的多么频繁。 ________________________________________________________________________
（襄阳专版）九年级英语全册Unit 6 When was it invented教案（新版）人教新目标版 编辑整理： 尊敬的读者朋友们： 这里是精品文档编辑中心，本文档内容是由我和我的同事精心编辑整理后发布的，发布之前我们对文中内容进行仔细校对，但是难免会有疏漏的地方，但是任然希望（（襄阳专版）九年级英语全册Unit 6 When was it invented教案（新版）人教新目标版）的内容能够给您的工作和学习带来便利。同时也真诚的希望收到您的建议和反馈，这将是我们进步的源泉，前进的动力。 本文可编辑可修改，如果觉得对您有帮助请收藏以便随时查阅，最后祝您生活愉快业绩进步，以下为（襄阳专版）九年级英语全册Unit 6 When was it invented教案（新版）人教新目标版的全部内容。
Unit 6 When was it invented？ 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。 单元语法Passive voice (past tense） 教学目标1。能掌握以下句型： ①—When was the telephone invented？ —I think it was invented in 1876。 ②—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。 3。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 学生善于观察事物，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，拥有强烈求知欲的素 养。 学情分析 本单元话题是发明，学生们对发明不 太熟悉，因此教师在讲前应普及下有
新目标九年级 Unit 6 When was it invented? Period 8 Section B (3a-3b) 写作课 要点：用吸引人的语段介绍自己的发明 教学目标： 知识与技能：学生能用吸引人的语段介绍自己的发明。 学习策略：根据表格，评价自己的作文。 文化意识：为了解决问题才出现了不同的发明。 情感态度：乐于想办法解决问题，帮助自己，造福更多人。 教学内容： 3a 让学生先列出自己想要解决的困难、发明的名称和用途。 3b 要求学生写一段话推销自己的发明。 各环节之间的联系： 激活思路--------收集信息--------写作练习 教学步骤I 3a
II Before writing 1.让学生think of something that you do not like doing, 教师板书有代表性的学生答案，然后选择其中一个最典型问题给出3a范列，如special pen. 2.针对板书中有其他有代表性的学生答案，问Can you think of an invention that could help you?what is it used for?学生分组讨论，全班分享答案。 III 3b 1.解读3b主任务，问学生What information should be contained in a description? 2.继续解读3b任务。问学生How can you sell your invention to the class?小组讨论。学生得出结论It should be an attractive one.What can make your description be attractive?
人教版九年级英语Unit 6 When was it invented。全单元教案 Unit 6: When Was It Invented? Language Goal: XXX. Knowledge Goals: Discuss the history of ns. XXX words such as style。project。pleasure。daily。website。neer。list。n。ruler。boil。remain。smell。nal。trade。fridge。low。somebody。translate。lock。ring。earthquake。sudden。bell。biscuit。cookie。musical instrument。sour。customer。Canadian。divide。basket。hero。and nearly. Use matic ns such as have a point。by accident。take place。without doubt。all of a sudden。divide…into。not only…but also…。look up to。the Olympics。and by mistake. 1.Q: When was the telephone invented?
A: I believe it was invented in 1876 by Alexander Graham Bell. 2.Q: Was the TV invented before or after the car? A: There is some doubt about this。but it is generally accepted that the car was invented before the TV. 3.Q: Who invented the zipper? A: XXX XXX. 4.Q: What is a hot ice-cream scoop used for? A: A hot ice-cream scoop is used for serving really cold ice-cream. 5.XXX was invented by Alexander Graham Bell in 187 6. Passive voice can be used to talk about ns。such as "The zipper was XXX" Special ns and answers can also be used。such as "When was the telephone invented?" and "It was invented in 1876 by Alexander Graham Bell." It is interesting to look at the
Section A 3 (Grammar Focus-4c) 一、教学目标： 1．掌握下列词汇：bell，musical，instrument，biscuit，fridge，low 2．进一步复习巩固学习Section A部分所学的生词和短语。 3．进一步学习运用一般过去时态的被动语态。 4. 运用一般过去时态的被动语态完成相应练习。 5. 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) 学习生词fridge, low, somebody, translate, lock, earthquake, sudden, all of a sudden, biscuit, cookie, instrument 2) 复习巩固Section A 部分所学的生词和词组，达到熟练运用的目标。 2. 教学难点： 1) 一般过去时态的句子变为被动语态。 2) 综合运用所学的知识进行练习运用。 三、教学过程 Ⅰ. Revision Review some main phrases we have learned in the last class. Check the homework. Ⅱ. Lead-in Watch a video and observe the use of Passive voice. Ⅲ. Grammar Focus. 1. 学生阅读Grammar Focus中的句子，然后做填空练习。 ①拉链是什么时候被发明的？ ______ _____ the zipper ________? ②它于1893年被发明。 It ______ _________ in 1893. ③它是由谁发明的？ ______ _____ it invented ______? ④它是由惠特科姆•贾得森发明的。 It _____ _______ _____ Whitcomb Judson. ⑤茶叶什么时候被带到朝鲜的？ _____ ______tea ________ to Korea?
九年级英语全册Unit 6 When was it invented教案（共6套人教 新目标版） Unit 6 When was it invented? 第一课时 Section A（1a ~ 2d）第二课时 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 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 wasn’t 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 don’t like its style (款式). 2. It’s 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 wants 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: _____________________. ① The telephone was invented in 1876.
The Second Period—Section A(3a－4c)
Teaching Important Points【教学重点】 Key words & phrases： ruler，boil，remain，smell，national，trade，doubt，fridge，low，somebody，translate，lock，ring，earthquake，sudden，bell，biscuit，cookie，musical，instrument by accident，take place，fall into，make tea，less than，without doubt，all of a sudden Key sentences： 1.Did you know that tea was invented by accident? 2.Most people believe that tea was first drunk about 5，000 years ago. 3.It is said that… 4.It is believed that… 5.In England，tea didn't appear until around 1660. Key structure： S＋was/were＋past participle＋… eg：One of the world's favorite drinks was invented by accident. Teaching Difficult Points【教学难点】 ★Practice the passive voice in reading comprehension.Learn about Chinese tea culture. Teaching Aids【教学工具】 A tape recorder，CAI or multimedia courseware. Teaching Steps【教学过程】 ★Step 1Leading in【新课导入】 1．Greeting 2．Brainstorming Quickly ask questions.Like this： When was…invented？What is it/are they used for？… 3．Ask pairs of students to act out the conversation in 2d and then see who can make their own conversations. ★Step 2Cooperative inquiry【合作探究】 1．Finish the task in 3a ①Tell the class that today we are going to read about an accidental invention.Write “An accidental invention” on the board.Ask：What does it mean？Can you think of an invention that was invented by accident？Get the students to discuss. ②Quickly read the passage and match the paragraphs with the main idea.Do not mention the new words and expressions at this stage. ③Check the answers and ask why they think so. 2．Finish the task in 3b 3．Finish the task in 3c ①Read the instructions.Read the five sentences and the words beside them.