九年级英语全册 Unit 6 When was it invented学案 （新版）人教新目标版 (2)

Unit 6When 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 of 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 lives 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 practice 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.AgaveBwas givenCwas giving Dhad given(D)2._invented the telephone?Sorry，I dont know.Lets ask the teacher.AWhatBWhenCWhereDWho(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。(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 out(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 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_invention?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。Step 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.AinBtoCforDat答案选择C，be used for doing sth. 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 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 was 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 accidentBby the endCby mistake Dby car(B)2.The students didnt stop talking _ the teacher came into the classroom.AwhileBuntilCasDat(B)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 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)_ 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 information 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 greener and more beautiful.Ais plantedBwas 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?AtoBforCintoDwith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 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 translated 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 happy.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 learn 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。(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.AtoBbyCaboutDon(C)2.Though my grandmother is old，she is funny enough to make _.Aus to laugh Bour laughCus laugh Dours laugh(C)3.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 BcleanedCto 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 stop 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 foreign 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 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再次细心阅读短文，理解每一句话的意思，小组合作解决遇到的疑难问题。(5分钟)5教师点拨短文中出现的重点和难点。(3分钟)6熟读短文，识记并背诵知识要点。(3分钟)7小结训练。(4分钟)(D)1.What do you think of this new movie?Sorry，I havent seen it.But _ is believed that the actors are all very famous.AthatBthisCwhichDit(A)2.The number of students in my class _ 60 and a number of them _boys.Ais；are Bare；is Care；are Dis；is(C)3.Basketball _ in 1861 by James Naismith.Ainvented Bis inventedCwas invented Dis inventing(C)4.Not only my parents but also my grandmother _ me _.Aencourage；to hold on to my dreamBencourage；hold on to my dreamCencourages；to hold on to my dreamDencourages；hold on to my dream(C)5.We all _ these national heroes，and we all take pride in them.Alook up Blook foward toClook up to Dlook after(D)6.I dream of _ to the moon one day.Afly Bto fly Cflies Dflying环节说明：通过本环节的学习不仅锻炼了学生的阅读能力，而且通过小结训练让学生对重要知识点进行了巩固练习。Step 3完成教材 2d2e的任务 1.根据2c中的简图信息和2d中的问题提示，两人一组互相说出篮球运动的发展史，然后邀请学生回答。(5分钟)2你认为成为一名著名的篮球运动员会怎么样呢？列出成为著名篮球运动员的好处和坏处。(10分钟)环节说明：通过2d 环节让学生对文章有了更深刻的理解；2e环节提升了学生的总结概括能力和语言组织能力。Step 4问题探究()1.Lets divide ourselves _ 4 groups.Afor Bto Cinto Dfor答案选择C，divideinto意为“将划分成”。()2.It _ last week that the haze(雾霾) in Beijing caused many problems.Areports BreportedCis reported Dwas reported答案选择D，It is/was reported that.意为“据报道”，根据last week知道为过去的事情，所以选择答案 D。()3.Jessicas parents always encourage her _ out her opinions.Aspeak BspeakingCto speak Dwill speak答案选择C，encourage sb. to do sth.意为“鼓励某人做某事”，所以答案选C。()4._ Lisa _ Lucy often goes to the movies with me because they like watching movies.ANot only；but also BNeither；norCBoth；and DEither；or答案选择A，Not only.but also.意为“不但而且”；Neither.nor.意为“二者都不”， Both.and.意为“二者都”；Either.or.意为“二者其中之一”；根据句意：丽萨与露西经常跟我一起去看电影，因为她们喜欢看电影。排除B和D，又因为谓语动词是单三形式，所以答案选择A。请学生们做前面课时训练部分。 Section B(3aSelf Check) 复习前面几个课时学过的重点单词、短语和句型。一般过去时态的被动语态灵活运用一般过去时态的被动语态【自主学习方案】复习学过的重点单词、短语和句型Step 1情景导入Teacher：Do you have something that you do not like to do？If you do，why not think of an invention that could help you？Now please talk to your partners about your problems and the inventions. 环节说明：以3a的问题为导入问题，自然引出3a的学习，简单明了，同时小组内的互相交流更是练习了学生的口语表达能力，而且还降低了学生完成3a的难度。Step 2完成教材3a3b的任务1你有不喜欢的东西吗？你能想出一个发明来帮助你吗？和你的搭档交流，然后把3a表格填写完整。(3分钟)2根据3a中填写的内容及3b中的提示写一篇短文，向大家描述你的新发明。(5分钟)3完成写作后小组内互相交流纠错，借鉴好词好句，教师批阅点拨。(10分钟)参考案例we often get hurt by the hot water in the cup.So we invented a special cup.This special cup was invented by Ma Peng.It is made of metal and there is a special machine in it. If you want to drink water，you can turn on the button，the machine will work，and the cup can tell you the temperature of the water so that you will not get hurt when you drink water.If you dont drink water，you can turn off the button again.This kind of cup have different shapes and colors，you can choose freely.环节说明：通过这个教学环节，锻炼了学生的总结能力和口语表达能力。Step 3完成教材Self Check的任务 1.两人一组互相提问Self Check 1的单词，然后用这些单词的正确形式完成填空。2把Self Check 2中的主动语态的句子改写成被动语态的句子，完成后小组内互相交流所写答案。(3分钟)3找出你更想了解的一项发明，根据提示在横线上填写相关内容。(3分钟)环节说明：通过这个环节的学习让学生熟练掌握了一般过去时态的被动语态。Step 4问题探究()1.The mobile phone has influenced peoples life a lot since it _.AinventsBinventedCis invented Dwas invented答案选择D，句意：自从手机发明后，它在很大程度上影响了人们的生活。since后面跟一般过去时，手机与动词invent在逻辑上是被动关系，所以用一般过去时的被动语态。请学生们做前面课时训练部分。