人教 九上 英语 Unit 5 Section A《自主学习》课件

SectionAWhatchangescaninventionsbringtoourlives?自主学习Unit5PowerofIdeas1aMatchthenameswiththethings.Findoutwhentheywereinvented.planecameralaptopmobilephoneTVhigh-speedtrainhigh-speedtrain;1964camera;1839TV;1925mobilephone;1973plane;1903laptop;19811bListentotheconversations.Choosetheinventioneachconversationtalksaboutandfindoutwheretheyarefrom.Conversation1:_____________Conversation2:

_____________A.SuperSee,from

_____________B.SmartCook,from

_____________SuperSeeSmartCookGermanyChina1cListenagainandcircleTfortrueorFforfalse.1.SuperSeeisapairofsunglassesdesignedtoprotectpeople’seyes.TF2.Amini-cameraisconnectedtoSuperSeetohelpwithreading.TF3.FoodisaddedbySmartCookitself. TF4.AbuttononSmartCookshouldbepressedbeforecooking. TF5.HundredsofkindsofdishescanbemadebySmartCook. TF1dWhatdothetwoinventionslooklikeandwhatcantheybeusedfor?Describethemtoapartner.略2aListentotheconversationandanswerthequestions.1.WheredidHanLingolastweekend?2.WhatwasHanLin'sfavouriteinvention?Why?HewenttotheInternationalExhibitionofInventions.The3Dprinter.Becausealmosteverythingunderthesuncanbemadebyit.从教材习题2a中学中考解题策略关键信息提取法在听力对话中，重点关注与问题相关的人物、地点、事件等关键信息，这些信息通常会在对话中直接或间接提及，通过捕捉这些关键内容来得出答案。如题1的问题是“WheredidHanLingolastweekend?”，重点关注“Where”相关的关键地点信息。在听力对话里，听到Ella问“DidyougototheInternationalExhibitionofInventionslastweekend?”，接着HanLin回答“Yes”。这里的“theInternationalExhibitionofInventions”就是与问题中“Where”相关的关键地点信息。2bCompletethesentenceswiththecorrectformsofthewordsinthebox.Thenlistenagainandcheckyouranswers.readdesignproducecreatesend1Theobjectis___________onthecomputer.2Afileis___________bythecomputer.3Thefileis___________tothe3Dprinter.4Thefileis___________bythe3Dprinter.5Theobjectis___________bybuildingupplastic.designedcreatedsentreadproduced2cListenagainandtickthethingsyouhearthatthe3Dprintercanmake.Whatelsedoyouknowthatitcanmake?medicinearmsandlegsheartstoyschairstablesshoescomputershousesfoodTick:armsandlegs;hearts;toys;chairs;tables;houses;foodWhatelse:Itcanalsomakeartworks,tools,etc.（答案不唯一）2dListthethingsyouuseeverydayandchooseonethatisthemostusefulforyourlife.Thentalkaboutwhatitlookslikeandwhatitisusedforwithapartner.A:Whatinventiondoyoulikethemost?B:Ilike...themost.A:Why?

B:...……ThingsIuseeveryday1.laptop2.Pencil3.desk4.________略3aReadtheconversation.ofalltime?FuXing:Whatdoyouthinkisthemostusefulinventionofalltime,Peter?Peter:Ithastobetheradio.FuXing:Theradio?Why?Peter:Beforetheradiowasinvented,informationtravelledveryslowly.Theworldwasmademuchsmallerbytheradio.Suddenly,newscouldbespreadaroundtheworldinseconds.FuXing:Right.Whowastheinventor?Peter:AnItalianinventorcalledGuglielmoMarconi.Hedevelopedtheideainthe1890s.In1901,aradiomessagewassentacrosstheAtlanticOceanforthefirsttime.FuXing:Wow!Thatwasquiteadistanceatthattime.Peter:Yeah.Andbecauseoftheradio,someotherimportantinventionsweredevelopedaswell.FuXing:Likethetelevision?Peter:That’sright.Italsohadabigeffectonmusic.Theradiomadeitmucheasierforpeopletoenjoymusicfromartistsaroundtheworld.略3bReadagainandcompletethechart.Invention:________________Whowastheinventor?___________________________Whenwasitinvented?___________________________Howdiditchangetheworld?

______________________________________________________________________________________________________________________________________________________radioGuglielmoMarconi.Inthe1890s.Itmadeinformationspreadfaster,madetheworldsmaller,andhelpeddevelopotherinventionsandspreadmusic.（答案不唯一）3cListentotheconversationandpayattentiontohowthekeyinformationisstressed.Thenrole-playtheconversation.略3dChooseanotherinventionyouthinkisthemostimportantandmakeamindmapaboutit.Thendescribeittoapartner.略GrammarFocus4aReadthesentences.Circletheverbsinthepassivevoice.Amini-cameraisconnectedtothefrontoftheglasses.Theoilandsaltarealsoaddedbythemachineitself.Toys,chairs,tables,andevenhousescanallbemadebythe3Dprinter.AradiomessagewassentacrosstheAtlanticOceanforthefirsttimein1901.beconnectedto连接到……；beconnectedwith与……有关联beaddedby被……添加4bCompletethesentenceswiththecorrectformsoftheverbsinbrackets.1.Thetelephone______________(invent)byAlexanderBellin1876.2.Peopleallovertheworld_____________(connect)toeachotherthroughtheinternet.wasinventedareconnected3.Theword“robot”_________________(introduce)forthefirsttimeinaplayin1920.4.Itwasn’tsupposedtomakesuchaloudnoisewhenthebutton_____________(press)tostartthemachine.5.Itisbelievedthattheworld’soldestwheel_________(find)inEasternEurope.wasintroducedwaspressedwasfound4cCompletethepassagewiththecorrectformsofthewordsinbrackets.MakeaprofileoftheQinghai-XizangRailway.TheQinghai-XizangRailwaywascompletedin2006.It________(connect)XiningtoLhasa,ahugedistanceof1,956kilometres,anditisthehighestrailwayintheworld,reaching5,072metresabovesealevelatTanggulaPass.connects长难句分析：这是一个并列复合句。第一个分句是It...1,956kilometres，其中主语是It；connect...to...是固定搭配：ahuge...kilometres对XiningtoLhasa进行补充说明。第二个分句是anditisthehighestrailway...TanggulaPass，主语是it；系动词是is；表语是thehighestrailwayintheworld；intheworld是介词短语作后置定语，修饰railway，reaching...TanggulaPass是现在分词短语作伴随状语。Thebuildingoftherailwaywasagreatchallenge.Creativeideas____________(need)tosolvedifferentproblems.Insummer,thetoplayerofthefrozengroundwouldmeltandbecometoosofttobuildon,sopipes___________(use)tokeepthegroundhard