人教版新目标九年级英语《Unit6 When was it invented》教案

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1、Unit 6 When was it invented?Section A (1a2d) 1重点单词:heel,scoop,electricity,style ,project ,pleasure,zipper ,daily ,website ,pioneer ,list ,mention2重点短语:be used for,think of,have a point3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 o

2、f an invention?Is it really such a great invention?Think about how often its used in our daily lives.The pioneers of different inventions were listed there.At that time,it wasnt 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 P4142 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

3、锋_11名单_ 12.提到_二、认真预习 1a2d 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。_9不同发明的先锋都被列了出来。_10在那时,它还没有被广泛地应用。_Step 1 情景导入Teacher:We have inventions everywhere.Inventions make us live easily and happily.Without inventions,our live

4、s will be much more difficult.Today,we will know about a few inventions and talk about the history of them.(Show the pictures of four inventions on the screen:a car,a TV set,a telephone ,and a computer.)When was the telephone invented?It was invented in 1876.Please pay attention to“was”Now please pr

5、actice the conversations like this according to the information on the screen.环节说明:根据教师提供的发明及其被发明的时间为素材,采用对话练习的方式引入新课。通过问答操练,加深学生对对话内容的理解,使学生很快的投入到学习中去。Step 2 完成教材 1a1c 的任务11a 中的四种发明,你认为哪个是最早发明的,依次标出序号,小组内可交流。(3分钟)2认真听录音,将 1b 中的物品和它们发明的年代匹配。(4 分钟)3再听一遍录音,并跟读对话。(4 分钟)4两人一组互相利用 1b 中的物品和发明年代,仿照 1c 的对话形

6、式编练新的对话,完成后邀请几组学生展示。(5 分钟 )。参考案例A:When was the telephone invented?B:I think it was invented in 1876.5小结训练。(3 分钟)(B)1.The book _ to you by Jim,so you can ask him.Thank you.I will ask him.Agave Bwas givenCwas giving Dhad given(D)2._invented the telephone?Sorry,I dont know.Lets ask the teacher.AWhat BW

7、hen CWhere D Who(D)3.These kinds of shoes _ well.Awere not sold Bwont be soldCare not sold Ddont sell(B)4.When _ the telephone _?In 1876.Adid;invent Bwas;inventedCwere;invented Ddo; invented环节说明:听说结合,第一时间向学生传达语言目标,通过结对对话练习和小结训练,使语言目标得以强化。Step 3 完成教材 2a2c 的任务 1.认真观察 2a 中的图片,然后听录音,根据听到的顺序为图片标号,集体核对答案。

8、(3 分钟 )2再认真听一遍录音,完成 2b 中的表格,完成后集体核对答案。(3 分钟)3听第三遍录音,学生跟读。(3 分钟)4两人一组利用 2b 中的信息,仿照 2c 的形式两人一组编练新的对话,邀请几组学生表演对话。(5 分钟)5小结训练。(3 分钟)(C)1.The knife _ things.Aused for cutting Bis used for cutCis used to cut Duse to cut(C)2.The thing _ by Jim under the bed is a teapot.Ainvented BdiscoveredCfound Dfound ou

9、t(A)3.The teachers _ how to use computer in our class yesterday.Awere taught BtaughtCwas taught Dteach环节说明:通过听、说、读、写学习训练让学生掌握了一般过去时态的被动语态;同时学生的口语表达能力在这一环节得到提升。Step 4 完成教材 2d 的任务1学生自读对话,完成下面的问题。(5 分钟)1)判断正误 T 或 F;2)根据对话内容填空;3)回答问题。1)Is the subject for Pauls school project “inventions that changed the

10、 world.”?(F)2)Roy advise Paul to talk about the_zipper3)When was the zipper invented?And who invented it?The_zipper_was_invented_by_Whitcomb_Judson_in_1893.2大声朗读 2d 中的对话,读熟后与同伴结对练习,分角色表演对话。(3 分钟)3邀请三组学生来表演对话。(3 分钟)4小结训练。(3 分钟)连词成句1it,invention,is,great, really,a,suchIs_it_really_such_a_great_inventi

11、on?2did,popular,when ,become,itWhen_did_it_become_popular?3think,lives,about,daily ,how ,our,often,in ,it,used,isThink_about_how_often_its_used_in_our_daily_lives4can,invention,you,an ,help ,of ,think,meCan_you_help_me_think_of_an_invention?环节说明:将对话问题化,既能锻炼学生的思维能力又能加深对课文的理解。小结训练又对对话中的重要句型进行了巩固加深。Ste

12、p 5 问题探究 1一般过去时态的被动语态我们的教学楼是去年建成的。(汉译英)Our_class_building_was_built_last_year.一般过去时的被动语态的结构为: 主语(动作接受者)was/were动词的过去分词(by动作执行者);否定句:主语wasnt/werent动词的过去分词(by动作执行者);一般疑问句:Was/Were主语动词的过去分词(by动作执行者)?特殊疑问句:特殊疑问词be主语动词的过去分词(by动作执行者)?( )2.Pens are used _ writing.Ain Bto Cfor Dat答案选择 C,be used for doing st

13、h. be used to do sth.被用来做某事(是被动语态)。 请学生们做前面课时训练部分。Section A (3a3c) 1重点单词:nearly,ruler,boil,remain ,smell ,saint ,national,trade ,doubt2重点短语:by accident, fall into,some time,take place,without doubt,It is believed that.3重点句式:In England,tea didnt appear until around 1660.When was tea brought to other

14、countries?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 P43 新单词并背诵,完成下面的汉译英。1几乎_ 2.统治者_3煮沸_ 4.剩余_5气味_ 6.圣人_7国家的_ 8.疑惑_9交易_二、认真预习 3a3c 找出下列短语和句型。1偶然_2发生_3毫无疑问_4掉入到里_5一段时间_6据说_7在英国,茶叶大约直到 1660 年才出现。_8茶叶是什么时候传到其他国家的?_Step 1 情景导入Teacher:Tea is one of the most popular drinks in the world. Do you know where it wa

15、s invented and how it was invented?Do you want to know more about tea?OK,lets learn the passage in 3a together to find out the answers. 环节说明:通过问题引出本节课要学习的内容,过渡自然,引起学生的兴趣。 Step 2 完成教材 3a3c 的任务1快速阅读 3a 短文,将段落和段落大意匹配,完成后让学生展示答案,教师点拨。(5 分钟 )2认真阅读短文,回答 3b 中的五个问题,完成后教师点拨。(3 分钟)3细心阅读短文,理解每一句话的意思,小组合作解决遇到的疑

16、难问题。(3 分钟)4教师点拨短文中出现的重点和难点。(3 分钟)5根据短文内容,用 3c 方框中的单词的正确形式完成句子,完成后请学生展示答案,教师点拨。(3 分钟)6熟读短文,识记并背诵知识要点。(5 分钟)7小结训练。(3 分钟)(A)1.I found my lost pen under my bed _.Aby accident Bby the endCby mistake Dby car(B)2.The students didnt stop talking _ the teacher came into the classroom.Awhile Buntil Cas Dat(B)

17、3.Only a few tigers _ in China.Ahave Bremain Ckeep Dstay(C)4.Great changes _ in the city in the last few years.Ahave been take place BhappenedChave taken place Dhave happened(A)5.It is _ that our English teacher will visit America during the summer vacation.Asaid Bsaying Csay Dsays环节说明:通读阅读分析文章,学生的阅

18、读分析能力在这一环节得到提升;小结训练又及时地巩固强化了重要的知识点。Step 3 问题探究( )1.I met her _ at the bus stop.Aby mistake Bby accidentCwithout doubt Dtake place答案选择 B,句意:“我在公共汽车站意外地见到了她 ”,by accident 意为“意外,偶然” 。 ( )2.I didnt go to bed _ I finished my work.Auntil Bafter Cwhen Dwhile答案选择 A,句意:“我直到把作业做完才上床睡觉。 ”not.until.意为 “直到才” 。所以

19、答案为 A。( )3.It is _ that our team will win the match.Abelieving BbelievedCbelieves Dto believe答案选择 A,It is believed that 意为“据说” ,是固定结构。因此答案选择 A。请学生们做前面课时训练部分。Section A (Grammar Focus4c) 1重点单词:fridge,low,somebody,translate,lock,earthquake ,sudden,bell,biscuit ,cookie ,musical, instrument2重点短语:at a low

20、 price, all of a sudden3重点句式:Who was it invented by?Somebody stole my camera from my hotel room.Our parents advised us not to go out alone.Different writers translated the book into different languages.1重点短语和句型2一般过去时态的被动语态熟练掌握一般过去时态的被动语态一、预习课本 P44 新单词并背诵,完成下面的汉译英。1冰箱_ 2.低的_3某人_ 4.翻译_5锁住_ 6.地震_7突然(的)

21、_ 8.饼干_9曲奇_ 10.器械_11铃声_ 12.音乐的_二、认真预习 3a3c 找出下列短语和句型。1以低廉的价格_2突然_3它是被谁发明的?_4有人从我旅馆房间里偷走了我的相机。_5我们的父母建议我们不要单独外出。_6不同的作家把这本书翻译成了不同的语言。_Step 1 情景导入Teacher:When was the telephone invented?Student1:It was invented in 1876.Now please practice conversations with your partners like this according to the inf

22、ormation that the teacher gives.环节说明:通过生生互动,复习了学过的内容被动语态,同时还锻炼了学生的口语表达能力。Step 2 完成教材 Grammar Focus 的任务1学生大声朗读 Grammar Focus 的句子。(2 分钟)2小结训练。(3 分钟)When_was_the_zipper_invented?(拉链是什么时候被发明的?)It_was_invented_in_1893.(它是在 1893 年被发明的。)Who_was_it_invented_by?(它是被谁发明的?)It_was_invented_by_Whitcomb_Judson.(它

23、是被 Whitcomb Judson 发明的。)When_was_tea_brought_to_Korea?(茶叶是什么时候被带到朝鲜的?)It_was_brought_to_Korea_during_the_6th_and_7th_centuries.(它是在 6 世纪到 7 世纪期间被带到朝鲜的。)What is the hot icecream scoop used_for?(热冰激凌铲是被用来做什么的?)Its_used_for_serving_really_cold_icecream.(它是用来端很冷的冰激凌的。)环节说明:通过对 Grammar Focus 句型的填空练习能够使学生

24、更好地来理解掌握本单元的重点句型。Step 3 完成教材 4a4c 的任务1.认真阅读 4a 中的例句,然后根据例句形式把所给的主动语态的句子改写成被动语态的句子,完成后小组成员互相交流答案。(3 分钟)2认真阅读 4b 中的句子,然后用括号内所给单词的正确形式填空,请几组学生在黑板上板演答案,完成后小组内互相交流所写句子,师生共同点拨黑板上的答案。(5 分钟)3认真阅读 4c 中的短文,用括号中的单词的正确形式填空,完成后小组内交流答案,教师点拨易错点。(3 分钟)4小结训练。(2 分钟)(C)1.Every year lots of trees _ to make our hometown

25、 greener and more beautiful.Ais planted Bwas plantedCare planted Dwere planted(D)2.I had a sore back,and the doctor advised me _ and rest.Alie down Blying downClay down Dto lie down(C)3.Can you translate the book in English _ French?Ato Bfor C into D with环节说明:通过本环节的学习,让学生复习掌握了一般现在时态和一般过去时态的被动语态。Step

26、 4 问题探究( )1._ he heard a cry above him.ABy accident BTake placeCAll of a sudden DWithout doubt答案选择 C,根据句意“突然他听到上方传来一声惊叫 ”,all of a sudden 意为“突然” ,所以答案选择 C。( )2.The Chinese writer has got lots of fans in France.His new book _ into French as soon as it came out.Awas translated BtranslatedCis translate

27、d Dtranslates答案选择 A, 根据题干 his new book 和 translate 的关系,应该选择被动语态;又根据时间状语从句 as soon as it came out 是一般过去时态,可知 “被翻译”也是一般过去时态。故选 A。请学生们做前面课时训练部分。Section B (1a1e) 1重点单词:crispy,salty ,sour,customer2重点短语:by mistake,in the end3重点句式:Potato chips were invented by mistake.George wanted to make the customer hap

28、py.1重点单词和句型2能够熟练运用被动语态能够熟练运用被动语态一、预习课本 P45 新单词并背诵,完成下面的汉译英。1脆的_ 2.咸的_3酸的_ 4.顾客_二、认真预习 1a1e 找出下列短语和句型。1错误地_2最后_3炸薯条被错误地发明了。_4乔治想让顾客高兴。_Step 1 情景导入Teacher:Do you like eating potato chips?I am sure most of us like them very much.But do you know who invented them and how they were invented?Today lets le

29、arn together to know more about the history of the potato chips.环节说明:以学生们喜爱的薯条的发明为导入,引起学生的学习兴趣,为听力做好铺垫。Step 2 完成教材 1a1e 的任务1学生朗读 1a 中的单词,教师纠正读音错误,然后两人一组互相提问背诵单词。(3分钟)2你知道 1a 图片中的水果是什么味道吗?用方框中的形容词描述水果的味道,完成后小组内互相交流。(3 分钟)3在 1b 四个表示味道的单词后面填写具有这种味道的食物,完成后小组内互相交流。(3 分钟 )4听录音,根据对话内容判断句子的正误,集体核对答案,完成 1c。(

30、3 分钟)5再听一遍录音,完成 1d 的填空,完成后学生展示答案,教师点拨。(3 分钟)6听第三遍录音,学生跟着大声朗读。(2 分钟)7两人一组利用 1c 和 1d 中的听力信息,仿照 1e 形式编练对话,并在小组内互相表演对话。(4 分钟)8小结训练。(2 分钟)(B)1.John took my clothes _ mistake.Ato Bby Cabout D on(C)2.Though my grandmother is old,she is funny enough to make _.Aus to laugh Bour laughCus laugh Dours laugh(C)3

31、.This fish is cooked by a cook _ Jack.Acall Bcalls Ccalled Dcalling(C)4.He puts too much salt into the dish,so it is very _.Asweet Bcrispy Csalty Dsour环节说明:通过听说训练,让学生熟练地掌握了语言目标;通过小结训练,让学生熟练地掌握了重要的知识点。Step 3 问题探究( )1.Clark,your room is really in a mess.It needs _.Sorry,mum.Ill do it at once.Aclean Bc

32、leanedCto clean Dto be cleaned答案选择 D,need 加了 s,则说明它不是情态动词 ,故排除 A,选项 B 也不符合语法,短语 need to be doneneed doing 表示“需要被” ,所以选择 D。( )2.My classmate is very careless,and he always takes my school things _.Aby accident Bby mistakeCin the end Dwithout doubt答案选择 B,根据句意“他总是错拿我的文具 ”,by mistake 意为“错误地” 。请学生们做前面课时训

33、练部分。Section B (2a2e) 1重点单词:Canadian,divide,basket ,popularity ,professional,hero2重点短语:in history,dream of,look up to,divide.into,not only.but also.3重点句式:He was asked to think of a game that could be played in the winter.Dr. Naismith created a game to be played inside on a hard floor.They need to sto

34、p the competing team from getting the ball into their own basket.The popularity of basketball has risen around the world,with many young people dreaming of becoming famous players.Basketball has not only become a popular sport to play,but it has also become a popular sport to watch.The number of for

35、eign players,including Chinese players, in the NBA has increased.These stars encourage young people to work hard to achieve their dreams.1重点短语和句型2通过脑中构图的方法来加强理解和记忆1重点短语和句型2通过脑中构图的方法来加强理解和记忆一、预习课本 P4647 新单词并背诵,完成下面的汉译英。1加拿大的_ 2.分开_3筐_ 4.受欢迎_5英雄_ 6.职业的_二、认真预习 2a2e 内容找出下列短语和句型。1历史上_2梦想_3把分开_4不但而且_5仰慕_6

36、他被要求考虑一种能够在冬天玩的运动。_7Naismith 博士发明了一种可以在室内坚硬地板上玩的运动。_8他们需要阻止竞争队伍把球投入到他们自己的篮筐中。_9足球不仅成为玩的运动也变成了可以观赏的运动。_10NBA 中外籍运动员的数量包括中国运动员的数量已经增加了。_11这些明星激励年轻人努力学习实现他们的梦想。_Step 1 情景导入(Show a basketball to students)Teacher:Do you like playing basketball?Do you like Yao Ming?Who is your favorite basketball star in

37、NBA?Do you know who invented basketball?When was basketball invented?Many of us dont know.Today we will learn them.环节说明:运用学生比较感兴趣的话题进行导入,能够引起学生的共鸣,拉近学生和教师的距离,为创造一个热情的、活跃的、和谐的课堂气氛打下基础。Step 2 完成教材 2a2c 的任务1你喜欢篮球吗?你喜欢看篮球比赛吗?对这项运动你知道多少呢?小组内互相交流对这项运动的了解。(3 分钟)2快速阅读短文,说出每个段落的大意。完成后请学生说出自己的观点,教师点拨。(3 分钟 )3认真阅读短文,根据短文内容完成 2c 的简图,然后再添加跟此有关的内容,完成后集体核对答案。(5 分钟)4再次细

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