Unit3StartingoutUnderstanding课件-外研版英语八年级上册

Unit3Makeithappen！Startingout&Understandingideas—ReadingLeadinDoyouknowTheFourGreatInventions？Compass[ˈkʌmpəs]

PapermakingGunpowder['gʌnpaʊdə]PrintingDoyouknowFourNewInventionsofChina？high-speedrailmobilepaymentbike-sharingonlineshoppingDoyouknowFourNewInventionsofChina？inventions发明SomeothermajorscientificandtechnologicalachievementsofChinaChinaSpaceStationChina'sRobotWolfadroneDoyouthinkinventionsareimportant？Why?Becausetheyhavechangedourlives.Becausetheyhavehelpedussolveproblems.Haveyoueverarguedwithaneighbor?Howdidyousolveit?"1.Whatcanyouseeinthepicture?2.Whatdothesestandfor?alightbulbamanwithacomputeraladderWhatdoesthepicturemeantoyou?WecanguessThelightbulbcouldstandforthe_______________,andtheladdercouldstandfor_________________________________Themanwiththecomputercouldstandfor__________________________inventionideathestepstomaketheideacometrue.thepersonwhomakesithappen.Haveyoueverarguedwithaneighbor?Howdidyousolveit?"anancientmanamodernman1.Whoarethey?2.Whatarethedifferencesbetweenthelivesofancientpeopleandours?Whatdoyouknowaboutthedifferencesbetweenthelivesofancientpeopleandours?anancientmanamodernman

ancientpeople

modernpeoplehomesclothesfoodtravelsafetylivedinthewildliveinhouseshadsimpleclotheshavealotofclothestochoosefromhuntedandgatheredfoodbuyfoodfrommarketscookwithgasandelectricitywentonfootusebikes,cars,busesandplanesstoodguardlockdoorsLead-inPre-readingWhile-readingPost-readingDiversifyassessmentWhatcausedthesedifferences?Technologyandinventionscausedthedifferencesbecausetheymadelifeeasier.2Lookatthepicturesandanswerthequestions.1Whataretheseinventions?2Howhavetheychangedourlives?Theyarethecompass,thewheel,thecomputer,andthemobilephone.Thecompass

hashelpedpeoplefindtherightdirectionwhentheytravel.Thewheel

hashelpedpeoplemovefaster.Thecomputer

hashelpedpeoplefindinformationquickly.Themobilephone

hashelpedpeopletalkandshareanytime,anywhere.Lookatthewordcloud.Dothesewordshaveanyrelationshipwitheachother?Pre-reading1Ithinkthepassageisaboutsomeonewhoinventedanartificialarm.Heorshedesignedittoimprovepeople'slivesbylending"ahelpinghand".援手；帮助Predictwhatthepassageisabout.Thesewordsrelatetoinventionandproblem-solving.Hewasshakinghandswitharobot.2.Whatwashedoing?1.Wherewastheboy?Maybehewasatanexhibition(展会）.atasciencefairapassLead-inPre-readingWhile-readingPost-readingDiversifyassessment[ˌeksɪˈbɪʃən][rəʊ’bɒtɪk]3.Whatwasintheboy'shand?Hewasshowinghiswork.Therewasaroboticarminhishand.Readthetext1.What'sthepassageabout?apassLead-inPre-readingWhile-readingPost-readingDiversifyassessmentIt'smainlyabouthowEastonhashelpedpeoplewithhisinvention,anartificial[man-made]arm.1.WhatwasEaston'sworkatthesciencefair?Itwasaroboticarm.2.Whatwasitmadeof?Itwasmadeofplasticblocksandfishingline.1.HowdidEastonfeelwhenheknewaboutJenny'sartificialarm?2.Whatdidhedecidetodo?Hedecidedtolendahandtopeoplelikeher.Eastonfeltsurprised.1.WhatdidEastondoafterthefair?Healwaystriedtoimprovehiswork.Heinventedanartificialarmwitha3-Dprinterandkeptworkingonit.Heenjoyedfixingproblemsoneafteranother.Andfinallyhehitonsuccess.2.WasEastonpleasedwithhisfirstartificialarm?Whyorwhynot?Ononehand,Eastonwaspleasedwithitbecausethearmwasabletomovewithbrainsignalsoftheuser.But

ontheotherhand,hethoughtitwasn'tgoodenoughbecauseitwastooheavyforachild.1.WhatdidEastondowithhissuccessfulartificialarm?Hepostedhisdesignonlineforfree.Hejustwantedtohelppeopleinneed.2.Whydidhedoso?123.Orderthefollowingeventsinthepassage.P3843Lead-inPre-readingWhile-readingPost-readingDiversifyassessmentParagraphs1-4Paragraphs5-6Paragraphs7-8sciencefairwithoutanarmgrowquickly4.Completethechartwiththewordsandexpressionsfromthepassage.fishinglinemoveweighedcostdesignLead-inPre-readingWhile-readingPost-readingDiversifyassessment2.FromEaston,Ilearnthatcreativityandpersistencecansolveproblems.Bysharinghisdesignforfree,he