Unit6SectionA1a-2d課件人教版英語九年級全冊

Unit6Whenwasitinvented?SectionA(1a—2d)一、功能：

Talkaboutthehistoryofinventions.二、常用詞匯和表達(dá)：

Learntousethewordsandphrases(heel,scoop,electricity,style)三、文化知識：

Knowmoreaboutthehistoryofinventionsandusethemcorrectly.LearningGoalspc=personalcomputerIthinkcomputeristhemosthelpfulinvention.BecauseithelpsmesearchtheinformationthatIneed.ItwasinventedbytwoyoungmenfromAmerica.KarlBenz

invented

thecar.______wasinvented

by_______.ThecarKarlBenzBell

invented

thetelephone.__________wasinvented

by___.ThetelephoneBellLookatthethings.Inwhatorderdoyouthinktheywereinvented?A:IthinktheTVwasinvented

beforethecomputer.B:Well,IthinktheTVwasinvented

afterthecomputer.Lookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?拖動圖片到序號旁1aIthinktheTVwasinventedbeforethecar.Well,IthinktheTVwasinventedafterthecar.Ithinkthetelephonewasinventedbeforethecomputer.Well,Iagreewithyou.Ithink…wasinventedbefore/after...Well,I…Thefirsttelephone

_____________(byBell)in1876.Bell

inventedthefirsttelephonein1876.wasinventedKarlBenzinventedthefirstcarin1885.Thefirstcar_____________(byKarlBenz)in1885.

wasinventedThefirsttelevisionwasinvented(byJ.L.Baird)in1927.J.L.Bairdinventedthefirsttelevisionin1927.ListeningListenandmatchtheinventionswiththeyears.1b___1876___1885___1927___1971dacbStudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.Practicing1cWhenwasthetelephoneinvented?Ithinkitwasinventedin1876.______Shoeswithspecialheels_______shoeswithlights_______icecreamscooprunsonelectricity2a.Listenandnumbertheinventionsintheorder.3122b.Listenagainandcompletethechartbelow.InventionWhatisit/aretheyusedfor?shoeswithspecialheels_____thestyleoftheshoesshoeswithlightsseeing___________hoticecreamscoop______reallycoldicecreamchanginginthedarkservingInventionInventorTimeUsage(用途)telephoneBell1876makingphonecallscomputeranAmerican1976gettinginformationlightbulbEdison1830givinglightcameraaFrenchman1837takingpicturesbikeanEnglishman1839ridingbasketballJames1861playingMakeconversationsaccordingtothetable.whowhenwhatPractice:--What’situsedfor?--It’susedfor…--WhatisthisinEnglish?--It’sa…2d.Role-playtheconversationWhatisitusedfor?Pairwork:seeinginthedarktravelingtalkingwithoutmeetingrelaxingA:Whatisthetelephoneusedfor?B:Ithinkitisusedfor

talkingwithpeople.cuttingkeepingwarmInquiryintoknowledgebytranslation.(合作探究)1.Whenwasthetelephoneinvented?Ithinkitwasinventedin1876.____________________________________________①invent為______詞，其名詞為__________，“發(fā)明家”為__________。②was/were+________構(gòu)成________時態(tài)的被動語態(tài)。Edison,agreat__________,_________many_____________duringhislife.動inventioninventorV-ed過去inventorinventedinventions電話是什么時候發(fā)明的？我認(rèn)為在1876年。Manytreesareplantedbypeopleeveryyear.

主動語態(tài)變被動語態(tài)的結(jié)構(gòu)圖:主語謂語賓語時間狀語主語謂語動詞的過去分詞賓語時間狀語主語+be(am/is/are)+done(過去分詞)+（by+動作執(zhí)行者）一般現(xiàn)在時的被動語態(tài)：Peopleplanttreeseveryyear.把主動語態(tài)改為被動語態(tài)1.Theyplayfootball

onSunday._______________________________2.Lucydoesthehomeworkintheevening._______________________________3.Theyoftenusecomputersinclass._______________________________4.WemakethesemachinesinBeijing.____________________________Footballisplayed(bythem)onSunday.Thehomeworkisdone(byLucy)intheevening.Computersareoftenused(bythem)inclass.Thesemachinesaremade(byus)inBeijing.一般過去時的被動語態(tài)1.概念：一般過去時的被動語態(tài)表示主語是過去某個動作的承受者。2.構(gòu)成：主語＋was/were＋動詞的過去分詞。Somenewcomputerswerestolenlastnight.昨天晚上有幾臺新電腦被盜了。9/24/20242.It’susedforservingreallycoldicecream.【經(jīng)典習(xí)題】完成句子：郵票是用來發(fā)送信件的。Stampsare_____________letters.【要點(diǎn)點(diǎn)撥】beusedfordoingsth.

表示“被用于干某事”，意思與beusedtodosth.相同。如：Thecameraisusedfortakingphotos.=Thecameraisusedtotakephotos.

usedforsending9/24/2024【拓展延伸】◆beusedassth.

表示“被用作某物”。如：Englishisusedasthesecondlanguageinmanycountries.◆beusedbysb.

表示“被某人使用”，后接動作的執(zhí)行者。如：Thesetextbooksareusedbystudents.◆be/getusedtodoingsth.

表示“習(xí)慣于做某事”。如：Sheisusedtorunningeverymorning.◆usedtodosth.

表示“過去常常做某事”。如：MissLiusedtodanceafterwork.Summary:Whathaveyoulearnt?1.句型whenwasthecarinvented?

和Ithinkitwasinventedin1876.的運(yùn)用。

2.能聽懂年份的讀法。Homework:Findouttheinformationaboutthemandwritedownth