Unit3Makeithappen!UnderstandingideasReading（教学课件）-外研版英语八年级上册

Unit3UnderstandingideasUnderstandingideas—ReadingMakeithappen!LearningObjectivesBytheendoftheclass,wewillbeableto：1.usewordsandexpressionsinthelessontotalkaboutinventionsandthetopicofhelpingothers.2.knowthestoryofEastonandhowheinventedtheartificialarmtohelpthedisabled.3.haveastrongwilltohelpthoseinneed.

4.graspthekeylanguagepointsandusethemincontext.

LeadinLookatthewordcloudandpredictwhatthepassageisabout.designhelpinghandimprove

artificialarminventMaybeitisaboutdesigninganartificialarmtohelpothers.Pre-readingReadthepassageandcheckyouranswer.

AhelpinghandEastonLaChappelle,a14-year-oldstudent,stoodbesidehisworkatasciencefair.Itwasaroboticarm.Hebuiltitoutofplasticblocksandfishingline.“Hello,”saidagirlwithanartficialarm,assheshookhandswithEaston’swork.ThiswasthefirsttimeEastonmetJenny,agirlwithaspecialcondition.Shewasbornwithoutanarm.Herartificialarmwasjustasimplehook,butitcost$80,000.What’sworse,childrenlikehergrowquicklyandneednewarmsallthetime.“Itblewmeaway!Ibuiltmyarmforonly$300,”thoughtEaston.“Imustlendahandtopeoplelikeher.”Afterthefair,Easton’sroombacamealab.Hestayedthereallday.Healwaystriedtoimprovehiswork.Forhis16thbirthday,Eastongota3-Dprinter.Andwithit,heinventedanartificialarm.Itwasabletomovewithbrainsignalsoftheuser.Butitwasn’tgoodenoughyet:thearmweighed3.6kilograms.Itwastooheavyforachild.While-readingEastonkeptworkingonit.Heenjoyedfixingproblemsoneafteranother.Andfinallyhehitonsuccessatage23.Hisdesignonlyweighed0.3kilogramsandcostaround$500!Easton’sinventionhashelpedmanychildren.Hedidn’twanttomakemoneyfromit.Hedecidedtoposthisdesignonline...forfree!Peoplecandownloadthedesignandmakeanartificialarmwiththeirown3-Dprinters!Whatahelpinghand!Eastontriestoinventanartificailarmtohelpothersforfree.What’sthemainidea?Tips:Don’rreadwordbyword.Payattentiontothefirstandthelastsentencesofeachparagragh.___Eastonmadearoboticarmwithplasticblocksandfishingline.___Eastonallowedpeopletousehisdesignforfree.___EastonandJennymetatasciencefair.___Eastonmadeanartificialarmwitha3-Dprinter.

Orderthefollowingeventsinthepassage.1234Tips:Skimthepassagetocatchkeywords.While-readingWhere:Ata(n)1

_________Who:Jenny,agirlborn2_____________Problemtosolve:Jenny’sartificialarmcost$80,000.Butchildrenlikeher3____________,sotheyalwaysneednewarms.Completethechartwiththewordsandexpressionsfromthepassage.HowdidEastoncomeupwiththeidea?Age14:Aroboticarm.Itwasmadefromplasticblocksand4___________Age16:Anartificialarm.Itcould5_______________signals,butweighed3.6kilograms.Age23:Anotherartificialarm.It6_______just0.5kilogramsand7_____around$500.WhatareEaston’sinventions?sciencefairwithoutanarmgrowquicklyfishinglinemovewithbrainweighedcostWhile-readingWhatdidEastondowithhisinvention?designHedecidedtoposthis8_________onlineforfree.Peoplecouldmakeanartificialarmwiththeirown3-Dprinters.While-readingCompletethechartwiththewordsandexpressionsfromthepassage.Retellthestoryaccordingtothechartintask4.While-reading1.HowwouldJenny’slifechangewithEaston’sinvention?2.WhatcanyoulearnfromEaston?Tips:Learningtothinkforquestion1Tounderstandtheinfluenceofsomething,youcancomparethesituationbeforeandaftertheuseofit.Shecanchangenewarmseasilywithlessmoney.Alwaysgiveahelpinghandtothosesinneed.Post-readingShowtime!Therosesinherhand,theflavorinmine.“14-year-old”，此处作形容词，意为“14岁的”；作定语，后面常接名词；而“14yearsold”为名词短语，意为“14岁”。常见例句：Sheisa15-year-oldgirl.

她是一个15岁的女孩。Hewillbe16yearsold.

他马上就16岁了。1.EastonLaChappelle,a14-year-oldstudent,stoodbesidehisworkatasciencefair.

2.“Hello,”saidagirlwithanartficialarm,assheshookhandswithEaston’swork.

“withanartficialarm”意为“装着假手臂”，with短语表伴

随，后面常接名词或者介词短语，反义词是without。常见例句：TheEnglishteachercomesintotheclassroomwithabookinhishand.英语老师进入教室，手里拿着一本书。“assheshookhandswithEaston’swork”意为“当她和Easton的作品握手时”，as引导的是时间状语从句，意为“当......时”。AsIgethome,Ifindmymumiscooking.当我到家时，我发现我妈正在做饭。3.Itblewmeaway!Ibuiltmyarmforonly$300.“Itblewmeaway!”意为“它让我大吃一惊”；

blow意为“吹”，它的过去式是blew，过去分词是blown，

blowout意为“吹灭”。常见例句：Heblewoutthecandlesinonego.

她一次性吹灭了蜡烛。Itblewhimaway!Hewinfirstprize.

他得了一等奖，这让他大吃一惊。

4.Herartificialarmwasjustasimplehook,butitcost$80,000.“cost”意为“花费”，常常用物或者it作主语，如“Itcostme+金钱.”;类似的单词还有spend，take，pay等，都指花费，但是用法不一样。Sbspendsomemoney/time(in)doingsth.Sbspendsomemoney/timeonsth.Ittakessbsometimetodosth.Sbpay(money)forsth.常见例句：Ittakesme15minutestogettoschool.我到学校需要花费15分钟。Shespendsalotoftimeonherson.她花了很多时间在他儿子身上。Tom,a6-year-oldboy,standsnexttohismum.1.Tom，一个6岁的男孩，站在他的妈妈旁。2.我每天都要花1个小时锻炼。(spend/take)Ispendanhourexercisingeveryday.Ittakesmeanhourtoexerciseeveryday.3.当他回到家时，他的妈妈正在给他做饭。(as)Ashewentbackhome,hismomw