Unit3inventorsandinventions第4課時教學設計【教學目標】通過閱讀了電話發(fā)明家亞歷山大·格雷厄姆·貝爾的故事【重點難點】通過閱讀材料，理解文章的內(nèi)容后對該話題進行理解，然后進一步深化該話題，掌握有關的句子?！窘虒W課時】一課時【教學內(nèi)容】課前預習I.wordsandphrases:n.額頭2._____n.稻草；飲料吸管3.______n.三角形4.______n./adj.流；電流/現(xiàn)在的；當前的；5._____adj.穩(wěn)定的；穩(wěn)固的6._______________adj.實際的7._______________n.冰箱8._________________開始（做）9._________________迅速把手伸入；一心投入10.________________次序顛倒，發(fā)生故障II.Readthetextcarefullyandchoosethecorrectanswertocompleteeachsentence.1.Bellinvented______bychanceaccordingtothetext.A.MorsecodeB.telegraphC.telephoneD.tetrahedron2.Whichstatementistrueaccordingtothetext?A.Bellmadeacontributiontothedeafeducation.B.Bellinventedthetelephoneforthedeaf.C.Bellthoughtyoushouldn’tthinktoomuchaboutsomethingyouhadneverseenbefore.D.Bellinventedalotofflyingmachineswhilesearchingforakitetocarryamanintotheair.3.Accordingtothetext,Bellgotsuchgreatachievementthanksto_______.A.astrawjoinedtoadeafman’searB.theexploringaroundproblemsC.amovingelectricalcurrentD.hisexcellentassistantWatson4.Wecaninferfromthetextthat______.A.doingresearchintelegraphhelpedBellgreatlyininventingthetelephoneB.BellwasgiventhepatentafterhesucceededinsendingthefirsttelephonemessageC.inordertomakethebridgesstrongerBelldiscoveredtelephoneD.Belldiscoveredsomanypracticalsolutionsthathemustbeamillionaire◆課堂學習I.MatchthemainideaofeachparagraphPara1 A.BellisacontinuingsearcherPara2 B.Bell’slifeinformationandespeciallyinterestPara3 C.Bell’scuriosityPara4 D.Bell’sinventionofthetelephonePara5 E.Theimportanceofhisinvention-----telephonePara6 F.Bell’sfirsttelephonemessagePara7G.Bell’snewdiscoveriesinotherareasofinventionII.Tellwhetherthefollowingstatementsaretrueorfalse.1.Bell’smotherwascompletelydeaf,butwiththehelpofBell,shecouldhearwhatBellsaid.2.ItwasBell’sinterestandcuriositythatledtotheinventionofthetelephone.3.Inordertoimprovehisinvention,BellmadeMorsecode.4.Heinventedthehelicopterandotherflyingmachines.III.ImportantsentencesReadthetextagain,findoutthesentencesandanalyzethem.1.Hefoundthatbypressinghislipsagainsthismother’sforehead,hecouldmakethebonesmoveinsuchawayshecouldunderstandwhathewassaying.(P25L4-6)翻譯：__________________________________________________________________________________________________________本句是一個復合句，that引導________從句;shecouldunderstandwhathewassaying是以_________為先行詞的_________從句。注意：theway做先行詞,在定語從句中做狀語引導定語從句時引導詞有三種情況：_______________,________________,____________________.如：Idon’tappreciatethewaythat/inwhich/--youdealwithsuchaproblem.翻譯成漢語：_____________________________________________________2.Itwasthisexploringaroundproblemsandhisdynamicspiritthatledtohismostfamousinvention—thetelephonein1876.(P25L14)翻譯：_____________________________________________________本句為_______________句式，該句式結(jié)構(gòu)為___________________________________________________.比較：Thepatentwasgivenin1876,butitwasnotuntilfivedayslaterthatBellsentthefirsttelephonemessagetohisassistant,Watson.(P25L28)由until引出的短語或者從句，所用的強調(diào)句型是__________________________________________________.3.Followitup,exploreallaroundit,andbeforeyouknowit,youwillhavesomethingworththinkingabouttooccupyyourmind.(P25L10)跟蹤下去，不斷探索，不知不覺中，你就會發(fā)現(xiàn)某種值得你思考的東西占據(jù)著你的頭腦。(1此)句屬于“祈使句+and+陳述句”結(jié)構(gòu)。該句型中的祈使句有時也可用條件狀語從句或非謂語動詞改寫。(2)有時祈使句可省略或簡化成名詞短語或介詞短語。Onemorestep,andyou’llbekilled.=Ifyoutakeonemorestep,you’llbekilled.3)祈使句+or/otherwise+陳述句，意為“……，否則……”Wearyourcoat,oryou’llcatchacold.穿上外套，否則你會著涼的。練習：1).選詞填空：and，or①Studyhard,_______youwillfallbehind.②Onestepfurther,_______youarelost.2).一句多譯努力工作，總有一天你會成功。a.(用and句式)_____________________________________________________b.(用if從句)_____________________________________________________c.(用現(xiàn)在分詞做狀語)_____________________________________________________4.Althoughhewillalwaysbeknownforhisinventionofthetelephone,hewasintruthacontinuingsearcherafterpracticalsolutionstoimprovethequalityofeverybody’slife.(P26，L2-3)翻譯：__________________________________________________________________________________________________________[詞匯詳解]intruth【觀察探究】1)Intruth,Ididn’tmindwhetherwewentornot.事實上，當時我們?nèi)ゲ蝗ノ叶紵o所謂。2)Thenewcomerwasintruthaspy.新來的人實際上是個間諜?！練w納總結(jié)】intruth意思為，相當于_____?！菊n堂小結(jié)與反思】【課后作業(yè)與練習】I.用所給短語填空callup

nowandthen

incase

diveinto

setoutto(do)

getthrough

intruth

hangon

outoforder

ringback

ringoff

setabout

1.____________________,Ivisitmygrandpaandgrandmainthecountry.2.Iwon’t___________________mybrotherunlesssomethingunexpectedhappens.3.Please___________________.Iwillgoandgether.4.Ourrefrigeratoris_____________again.We’dbetterbuyanewoneinsteadofrepairingit.5.Lastwinterthatwriter_________________writinganewlongnovel.6.Thepolice___________________investigatethecauseofthefire.7.Pleasetakeyourcreditcardwithyou_________________yourmoneyisnotenough.8.Heisnothererightnow;willyouplease___________________later?9.She_______