2023学年完整版Unit3Inventorsandinventions设计(2)4

Unit3inventorsandinventions第4课时教学设计【教学目标】通过阅读了电话发明家亚历山大·格雷厄姆·贝尔的故事【重点难点】通过阅读材料，理解文章的内容后对该话题进行理解，然后进一步深化该话题，掌握有关的句子。【教学课时】一课时【教学内容】课前预习I.wordsandphrases:n.额头2._____n.稻草；饮料吸管3.______n.三角形4.______n./adj.流；电流/现在的；当前的；5._____adj.稳定的；稳固的6._______________adj.实际的7._______________n.冰箱8._________________开始（做）9._________________迅速把手伸入；一心投入10.________________次序颠倒，发生故障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◆课堂学习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)翻译：__________________________________________________________________________________________________________本句是一个复合句，that引导________从句;shecouldunderstandwhathewassaying是以_________为先行词的_________从句。注意：theway做先行词,在定语从句中做状语引导定语从句时引导词有三种情况：_______________,________________,____________________.如：Idon’tappreciatethewaythat/inwhich/--youdealwithsuchaproblem.翻译成汉语：_____________________________________________________2.Itwasthisexploringaroundproblemsandhisdynamicspiritthatledtohismostfamousinvention—thetelephonein1876.(P25L14)翻译：_____________________________________________________本句为_______________句式，该句式结构为___________________________________________________.比较：Thepatentwasgivenin1876,butitwasnotuntilfivedayslaterthatBellsentthefirsttelephonemessagetohisassistant,Watson.(P25L28)由until引出的短语或者从句，所用的强调句型是__________________________________________________.3.Followitup,exploreallaroundit,andbeforeyouknowit,youwillhavesomethingworththinkingabouttooccupyyourmind.(P25L10)跟踪下去，不断探索，不知不觉中，你就会发现某种值得你思考的东西占据着你的头脑。(1此)句属于“祈使句+and+陈述句”结构。该句型中的祈使句有时也可用条件状语从句或非谓语动词改写。(2)有时祈使句可省略或简化成名词短语或介词短语。Onemorestep,andyou’llbekilled.=Ifyoutakeonemorestep,you’llbekilled.3)祈使句+or/otherwise+陈述句，意为“……，否则……”Wearyourcoat,oryou’llcatchacold.穿上外套，否则你会着凉的。练习：1).选词填空：and，or①Studyhard,_______youwillfallbehind.②Onestepfurther,_______youarelost.2).一句多译努力工作，总有一天你会成功。a.(用and句式)_____________________________________________________b.(用if从句)_____________________________________________________c.(用现在分词做状语)_____________________________________________________4.Althoughhewillalwaysbeknownforhisinventionofthetelephone,hewasintruthacontinuingsearcherafterpracticalsolutionstoimprovethequalityofeverybody’slife.(P26，L2-3)翻译：__________________________________________________________________________________________________________[词汇详解]intruth【观察探究】1)Intruth,Ididn’tmindwhetherwewentornot.事实上，当时我们去不去我都无所谓。2)Thenewcomerwasintruthaspy.新来的人实际上是个间谍。【归纳总结】intruth意思为，相当于_____。【课堂小结与反思】【课后作业与练习】I.用所给短语填空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_______