2024-2025學(xué)年人教版初中英語九年級(jí)（上）教案 UNIT 6 Section A（1a-2d）第1課時(shí)

UNIT6Whenwasitinvented?SectionA(1a—2d)第1課時(shí)設(shè)計(jì)說明本課時(shí)學(xué)習(xí)發(fā)明的相關(guān)對(duì)話。教學(xué)時(shí)給學(xué)生展示一些卡片，從談?wù)撝袊糯乃拇蟀l(fā)明入手導(dǎo)入新課，接著展示有關(guān)歷史上重要發(fā)明的圖片并做討1c、2a2c的學(xué)習(xí)。通過聽對(duì)話配對(duì)、聽對(duì)話填表格、練習(xí)對(duì)話等活動(dòng)，使學(xué)生理解對(duì)話內(nèi)容。最后，閱讀2d的內(nèi)容，要求學(xué)生理解對(duì)話，回答問題，解決問題。通過2d了解拉鏈的有關(guān)知識(shí)。教學(xué)目標(biāo)通過本課時(shí)的學(xué)習(xí)，讓學(xué)生達(dá)成以下目標(biāo)：1.知識(shí)目標(biāo)：(1)單詞：heel,scoop,electricity,style,project,pleasure,zipper,daily,website,pioneer,list,mention(2)(3)句型：—Whenwas…invented?—Ithinkitwasinventedin…—Whatis/are…usedfor?—Itis/Theyareusedfor...2.能力目標(biāo)：(1)聽并用被動(dòng)語態(tài)談?wù)撝匾陌l(fā)明及其歷史和用途;(2)學(xué)會(huì)運(yùn)用被動(dòng)語態(tài)談?wù)摪l(fā)明物的歷史，描述物品的用途。3.情感目標(biāo)：通過學(xué)習(xí)了解人類歷史上的部分重要發(fā)明，培養(yǎng)愛科學(xué)、學(xué)科學(xué)的思想。重點(diǎn)難點(diǎn)1.重點(diǎn)：一般過去時(shí)的被動(dòng)語態(tài)。2.難點(diǎn)：運(yùn)用一般過去時(shí)的被動(dòng)語態(tài)來討論某件物品的發(fā)明時(shí)間及用途。教學(xué)準(zhǔn)備PPT課件，1b，2a，2b的錄音教學(xué)過程Step1Lead-in1.First,showthestudentssomepicturesaboutfourgreatinventionsofancientChina.2.Thenshowthestudentssomepicturesaboutmoderninventions.Ask:Doyouknowwhattheseinventionsare?Doyouknowwhotheseinventorsare?3.Getthestudentstomatchtheinventionswiththerightinventors.4.Presentthefollowingsentences.Bellinventedthefirsttelephonein1876.Thefirsttelephonewasinvented(byBell)in1876.KarlBenzinventedthefirstcarin1886.Thefirstcarwasinvented(byKarlBenz)in1886.J.L.Bairdinventedthefirsttelevisionin1925.Thefirsttelevisionwasinvented(byJ.L.Baird)in1925.5.Getthestudentstopracticethesentences.Andthenmakesentenceswiththesentencestructures.Step2Workon1aLookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem[1-4](1=first,4=last).Checktheanswersonebyone.Answers:4213Step3PairworkTalkaboutwithyourpartner.A:IthinktheTVwasinventedbeforethecar.B:Well,IthinktheTVwasinventedafterthecar.A:Ithinkthecalculatorwasinventedbeforethecomputer.B:Well,Ithinkthecalculatorwasinventedafterthecomputer.Step4Listening1.Listenandmatchtheinventionswiththeyears.Checktheanswersonebyone.Answers:dacb2.Listenagainandunderlinethesentenceswithpassivevoice.Payattentiontotheirstructure:was/were+及物動(dòng)詞的過去分詞.3.Explain.年份的讀法：兩個(gè)數(shù)字一組，分為前后兩組1865eighteensixty-five1989nineteeneighty-nine千年的讀法:2000twothousand2001twothousandandone前兩個(gè)數(shù)字不為零，后兩個(gè)數(shù)字為零：1800eighteenhundred1900nineteenhundred非四位數(shù)的年份的讀法:531fivehundredandthirty-oneStep5PairworkWorkon1c.StudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.A:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.Step6Listening1.Listenandnumbertheinventions[1-3]intheorderyouhearthem.Checktheanswers.Answers:3122.Listenagainandcompletethechartbelow.InventionsWhatisit/aretheyusedfor?shoeswithspecialheels______thestyleoftheshoesshoeswithlightsseeing__________hotice-creamscoop_________reallycoldice-creamChecktheanswersonebyone.Answers:changing;inthedark;serving3.Explain:stylen.樣式；款式instyle流行的,時(shí)髦的outofstyle過時(shí)的thestyleof………的樣式/款式4.Listenagainandpayattentiontothestructure“beusedfor”.Step7PairworkMakeconversationsusingtheinformationin2b.A:Whataretheshoeswithlightsusedfor?B:They’reusedforseeinginthedark.Step8Role-playtheconversation1.Showthestudentsapictureandask:What’sthis?(Zipper.)Wherecanyouseeit?(Pants,trousers,bags,backpacks,shoes,suitcases,etc.)Role-playtheconversation.2.Readthepassagequicklyandanswerthequestions.(1)Whoinventedthezipper?(2)Whenwasthezipperinvented?(3)Whenwasitusedwidely?Checktheanswersonebyone.Answers:(1)ItwasinventedbyWhitcombJudson.(2)Itwasinventedin1893.(3)Itwasusedwidelyaround1917.3.Readandtranslate.(1)拉鏈?zhǔn)窃?893年被惠特科姆·賈德森發(fā)明的。Thezipper________________________WhitcombJudson________1893.(2)但是在那個(gè)時(shí)候，它還沒有被廣泛使用。But_______________________,it________________widely.Answers:(1)wasinventedby,in(2)atthattime,wasn’tused4.Role-playtheconversation.(1)Readthedialoguealoudforafewminutesbyyourself.(2)Role-playingroups.(3)Role-playinfrontoftheclass.5.Showthestudentssomepicturesaboutsomecrazyinventions.Step9Homework1.Previewthepassagein3a.2.Lookupsomeinformationaboutsomefamousinventions.當(dāng)堂達(dá)標(biāo)Ⅰ.根據(jù)句意及漢語提示完成單詞。1.Theclothesinthatstoreareindifferent________(樣式)．2.Pleasetrythis________(網(wǎng)站)．Ithinkit’sfantasticforbeginners.3.You’dbettermakea_______(清單)beforeshoppingtosavetime.4.Dr.Wilson,couldyoupleasegiveabriefintroductionaboutyour_______(項(xiàng)目)?5.Mr.Blacktoldmenotto________(提到)thatbadnewsatthemeeting.Ⅱ.單項(xiàng)選擇。1.Thiskindofcupisused________drinking.A.to B.as C.by D.for2.Mymotherandmysisterkeptontalking,butmyfather________silentallthetime.A.got B.kept C.turned D.looked3.Ithinktheshortstory_______byLuXun.A.iswriting B.wroteC.written D.waswritten4.—Who_______theelectriclightlamp_______?—Edison.A.was;invented B.is;inventedC.was;inventedby D.did;inventedbyIII.句型轉(zhuǎn)換。1.Thepersonalcomputerwasinventedin1976.(就畫線部分提問)______________thepersonalcomputer_______?2.TheshoeswithlightswereinventedbyJulieThompson.(就畫線部分提問)______________theshoeswithlights_____________?答案：Ⅰ.1.styles2.website3.list4.project5.mentionⅡ.1.D2.B3.D4.CIII.1.Whenwas,invented2.Whowere,inventedby板書設(shè)計(jì)UNIT6Whenwasitinvented?S