Unit 5 Power of Ideas Section A 1a-2d 课件 2026-2027学年人教版英语九年级上册

Unit5PowerofIdeasSectionAWhatchangescaninventionsbringtoourlives?(1a-2d)Thephotogivesmetheideathatmoderntechnologydevelopsbylearningfromthepastandmakingnewthings.ThephotomakesmefeelproudofbothChina’sgreatancientbuildingsanditsmoderntechnology.Ialsofeelitisasifancientandmoderncreatorsarehavingaconversationacrossthousandsofyears.Ahigh-speedtrainandYellowCraneTower.(1)Whatcanyouseeinthephoto?(2)Howdoyoufeelaboutthephoto?(3)Whatcreativeideascanyoufindinit?

Lookandshare.?BIGQuestionWhatdocreativeideasbringabout?greatinventionsconvenientlifetechnologicalprogressculturaldevelopment…OurschoolorganizesatriptotheInternationalInventionFairthisweekend.HanLinisourstudypartneraswellasourclasstechpresenter.Let’sfollowthemandlearnaboutamazinginventionsfromdifferentcountries.Matchthenameswiththethings.Findoutwhentheywereinvented.1._____________high-speedtrain2._____________camera3._____________TV4._____________mobilephone5._____________plane6._____________laptopplanecameralaptopmobilephoneTVhigh-speedtrain1aTheguidetookustotheGermanareaandChinaarea.Let’sseewhathappened.Listentotheconversations.Choosetheinventioneachconversationtalksaboutandfindoutwheretheyarefrom.Conversation1:______Conversation2:______A.SuperSee,from_________B.SmartCook,from_________ABGermanyChina1bListenagainandcircleTfortrueorFforfalse.(1)SuperSeeisapairofsunglassesdesignedtoprotectpeople’seyes.(2)Amini-cameraisconnectedtoSuperSeetohelpwithreading.(3)AbuttononSmartCookshouldbepressedbeforecooking.(4)AllthefoodisaddedbySmartCookitself.(5)HundredsofkindsofdishescanbemadebySmartCook.

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FThey’reforpeoplewhocan’tseewell.Putfoodlikecarrotsandonionsinthecuponthetopofthemachine.1c1.Whatisthis?2.Whatcanitbeusedfor?3.Doyouknowhowitworks?Lookandthink.It’sa3Dprinter.□medicine□armsandlegs□hearts□toys□table□shoes□computers□houses□chairs□food□______________________2aTickthethingsthatyouthinka3Dprintercanmake.Youcanaddmore.tools,pots,models,carparts...Duringthebreak,HanLinsharedhisexperiencewithElla.(1)WheredidHanLingolastweekend?(2)Whywasthe3DprinterHanLin’sfavouriteinvention?2bListentotheconversationandanswerthequestions.HewenttotheInternationalExhibitionofInventions.Becauseitwasamazingandalmosteverythingunderthesuncanbemadebyit.Completethesentenceswiththecorrectformsofthewordsinthebox.Thenlistenagainandcheckyouranswers.readdesignproducecreatesendFirst,theobjectis_________onthecomputer.1Then,afileis________bythecomputer.2Andthefileis_______tothe3Dprinter.3Next,thefileis______bythe3Dprinter.4Finally,theobjectis_________bybuildingupplastic.5designedcreatedsentreadproduced2cPassivevoice:be+pastparticiple(过去分词)Listthethingsyouuseeverydayandchoosetheonethatyoulikethemost.Thentalkaboutwhatitcanbeusedforanditsimportance.A:Whatinventiondoyoulikethemost?B:Ilike...themost.A:Whatcanitbeusedfor?B:Itcanbeused