Unit6Whenwasitinvented?SectionA1a~1cLearningaims1’(1).Learnsomenewwordsandphrases.(2).Learnthegrammar:thePassivevoice(pasttense).(3).Talkabouttheinventions.單詞學(xué)習(xí)：根據(jù)音標(biāo)學(xué)單詞。(語音測(cè)試)[hi?l][sku?p][,?lek'tr?s?t?][sta?l]['pra:d?ekt]heeln.鞋跟，足跟scoopn.勺，鏟子electricityn.電，電能stylen.樣式；款式projectn.項(xiàng)目，工程instyle流行outofstyle/date過時(shí)electric[?'lektr?k]adj.電的；電動(dòng)的即時(shí)演練：1.Thisdressis___thisyear,andIreallywanttogetone.A.indangerB.introubleC.instyleD.outofstyle2.

—Ihearyourgrandpahasanoldcupinyourhome.

—Yes.It____drinkingtealongagoandmygrandpa_______drinkteawithitwhenhewasyoung.A．wasusedto;wasusedtoB．usedfor;usedtoC.wasusedfor;wasusedtoD．wasusedfor;usedtoCDWhataretheFourGreatInventionsinancientChina?LeadinChinesefourgreatancientinventionscompassgunpowderprintingpapermakingModerninventionscalculator→n.v.發(fā)明Inventor發(fā)明者Invention發(fā)明

The

many

allhislife.inventorinventedinventions

inventThetelephonewasinventedbyBell.Bellinvented

thetelephoneThecarwasinventedbyKarlBenzKarlBenzinventedthecar.ThetelevisionwasinventedbyBairdBairdinventedthetelevision.12341aNumberthem[1-4](1=first,4=last).1bListenandmatchtheinventionswiththeyears.-------1876--------1885--------1927--------1971dacbPracticethesentences.Pictured:Thetelephonewasinventedineighteenseventy-six(1876).Picturea:Carswereinventedineighteeneighty-five(1885).Picturec:TheTVwasinventedaroundnineteentwenty-seven(1927).Pictureb:Thepersonalcomputerswereinventedinnineteenseventy-one(1971).Listenandfill.Alice:Wasyourlifeverydifficultwhenyouwereakid?Grandma:Oh,notreally.Why?Alice:Well,youdidn’thavemoderninventionslikea

,right?Grandma:Ofcoursewedid!HowolddoyouthinkIam?Thetelephonewasin1876.Youneedtotakeahistoryclass,Alice!Alice:Haha!Howabout

?Theyweren’tinventedyet,werethey?Grandma:Yes,theywere.Carswereinventedin1885.Myfamilyhadacar.telephonecarsAlice:Well,didyouhaveaTV?Grandma:No,wecouldn’t

one.Theywereexpensiveinthosedays.TheTVwasinventedaround1927,Ithink.Alice:Well,Iknowthatyoudidn’thavea

becausewelearnedinschoolthatpersonalcomputerswereinventedin1971.Grandma:You’reright.ButIhaveonenow!affordcomputerA:Whenwasthe_______invented?B:Ithinkitwasinventedin______.Pairwork(1c:)1885187619271971KarlBenz

inventedthecar.______wasinvented

by_______.ThecarKarlBenz觀察與思考：Edison

invented

thelightbulb.Thelightbulbwasinvented

byEdison.Bell

invented

thetelephone.___________wasinvented

by___.ThetelephoneBellThepassivevoice.被動(dòng)語態(tài)被動(dòng)語態(tài)的構(gòu)成:be動(dòng)詞+(及物動(dòng)詞的)過去分詞

一般現(xiàn)在時(shí)一般過去時(shí)am(is,are)+donewas(were)+done{Thecarwasinventedin1885.Thepassivevoice.被動(dòng)語態(tài)主動(dòng)語態(tài)變被動(dòng)語態(tài)的結(jié)構(gòu)圖:Bellinventedthetelephonein1876.ThetelephonewasinventedbyBellin1876.主語謂語動(dòng)詞過去時(shí)賓語時(shí)間狀語主語謂語動(dòng)詞的過去分詞賓語時(shí)間狀語學(xué)生討論，教師點(diǎn)撥6'觀察句子，總結(jié)一般過去時(shí)的被動(dòng)語態(tài)結(jié)構(gòu)：（1）Thetelephonewasinventedin1876.（2）Thetelephonewasnotinventedin1876.

（3）Wasthetelephoneinventedin1876?（4）eg:Whenwasthetelephoneinvented?

肯定句：主語+was/were+及物動(dòng)詞過去分詞+(by...)否定句：主語+was/were+not+及物動(dòng)詞過去分詞

+(by...)一般疑問句：Be(Was/Were)+主語+及物動(dòng)詞過去分詞+（by...）特殊疑問句：特殊疑問詞+was/were+主語+及物動(dòng)詞過去分詞(+by...)?學(xué)以致用完成下列句子：1Ithinkthecomputer_________(invent)beforetheTV.2Theglassis_____(break).It________(break)bylittleTomthismorning.3Mikewasn,tathomeyesterday.He________(ask)tohelpwithJenny,sEnglishwasinventedbrokenwasbrokenwasasked【辨析】invent，discover,find,create

教師點(diǎn)撥：1.invent(v.)發(fā)明；創(chuàng)造invent

指發(fā)明創(chuàng)造出自然界本來不存在的東西，如工具、方法、手段、汽車、電器、合成材料等。Bell

inventedthetelephone.貝爾發(fā)明了電話。Smith

invented

anewteachingmethod.史密斯發(fā)明了一種新的教學(xué)方法。2.discover是“發(fā)現(xiàn)”的意思，是指發(fā)現(xiàn)原來就有而一直沒被發(fā)現(xiàn)，如發(fā)現(xiàn)電、煤、石油等礦藏及新星、星系或科學(xué)真理等。Recentlytheyhavediscoveredacomet.最近他們發(fā)現(xiàn)了一顆彗星。3.find的意思是“尋找”，強(qiáng)調(diào)找的結(jié)果，并不指發(fā)現(xiàn)。I'vetriedtofindanothercopybutcouldn'tfindone.我試圖再找一本，但沒能弄到。4.create指有目的地把原材料制成新產(chǎn)品，也指創(chuàng)造出原來不存在的或與眾不同的事物。Mancreateshimself.人類創(chuàng)造了自己。Anovelistcreatescharactersandaplot.小說家塑造人物并設(shè)計(jì)情節(jié)。根據(jù)語境提示，用invent,discover，find或create的適當(dāng)形式填空，完成句子。1.When_____thestreamengine（蒸汽機(jī)）_________?2.Ican’t____mybike,I’mlookingforit.3.Scientistsarenowtryingto________ifthisispossible.4.Doyouknowwho_________theplane？5.He________quiteanumberofwonderfulcharactersinhisplay.即時(shí)演練：.was

invented

finddiscoverinventedcreated1.Anewlibrary_____inourschoollastyear.A.isbuilt

B.wasbuiltC.builtD.build2.

These