人教版初中英语九年级Unit6 When was it invented.docx

1、人教版初中英语九年级Unit6 When was it inventedUnit 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

2、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

3、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 happil

4、y. 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 p

5、ay 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

6、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

7、 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

8、，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 BdiscoveredCfo

9、und 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 ch

10、anged 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_in

11、vention?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

12、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

13、 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 count

14、ries?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 invente

15、d 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

16、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

17、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

18、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

19、 _ 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

20、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

21、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 teac

22、her 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_w

23、as_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