九年級英語unit6-Section-B-3a-self-check課件

DoYouKnowWhenBasketballWasInvented?Basketballisamuch-lovedandactivesportthatisenjoyedbymanyforfunandexercise.Itis

over100yearsoldandisplayedbymorethan100millionpeopleinover200countries.ItisbelievedthatthefirstbasketballgameinhistorywasplayedonDecember21,1891.Thenin1936inBerlin,itbecameaneventattheOlympics.SectionB2bBasketballwasinventedbyaCanadiandoctornamedJamesNaismith,whowasbornin1861.Whenhewasacollegeteacher,hewasaskedtothinkofagamethatcouldbeplayedinthewinter.Dr.Naismithcreatedagametobeplayedinsideonahardfloor.Dr.Naismithdividedthemeninhisclassintotwoteamsandtaughtthemtoplayhisnewgame.Playersonthesameteammustworktogethertogettheballintheotherteam’sbasket.Atthesametime,theyneedtostopthecompetingteamfromgettingtheballintotheirownbasket.Today,thepopularityofbasketballhasrisenaroundtheworld,withmanyyoungpeopledreamingofbecomingfamousplayers.InChina,youcansometimesseepeopleplayingbasketballinparks,schoolsandeveninfactories.Basketballhasnotonlybecomeapopularsporttoplay,butithasalsobecomeamorepopularsporttowatch.AlthoughAmerica’sNBAgamesarethemostfamous,theCBAgamesarebecomingmorepopularinChina.Thenumberofforeignplayers,includingChineseplayers,intheNBAhasincreased.AndtherearealsomoreandmoreforeignplayersintheCBA.Manyyoungpeoplelookuptothesebasketballheroesandwanttobecomelikethem.Thesestarsencourageyoungpeopletoworkhardtoachievetheirdreams.3a

Thinkofsomethingthatyoudon’tliketodo.Thenthinkofaninventionthatcouldhelpyou.Makenotes.

Problem:aspecialpenNewinvention:Whatitisusedfor:Itcanlistentothewriterandwritebyitself.Price:$50quicklytakingnotesinclassProblem:getupearlyNewinvention:aspecialclockWhatitisusedfor:Wakingmeup.Itcancallmeupwiththevoiceofmyteacher.Problem:dohomeworkNewinvention:arobotWhatitisusedfor:Doinghomeworkwithme.Itcanbemyfavoritehomeworkpartner.Nowit’syourturn!Imagineyouareabusinessperson.Writeadescriptionofyournewinvention.Trytoselltheinventiontotheclass.ThisspecialpenwasinventedbyLiuJie.Ithasthreecolorsandisusedfor…將有6位同學(xué)扮演“推銷商”上臺向同學(xué)們“推銷”自己的發(fā)明，臺下的每位同學(xué)都有一票選擇權(quán)，得票最多的“推銷商”獲勝。（注：在“推銷”發(fā)明時(shí)需全程使用英語）Playagame誰的發(fā)明最暢銷？！ThisspecialpenwasinventedbyLiuJie.Ithasthreecolorsandisusedfortakingnotesquickly.Itisveryusefulifyouhavealottowritedown.Thepencomeswithamicrochipthatcanstorealistofcommonwordsthatyouwilluse.YoucanprogramthewordsyouwillSamplewritinguseoftenintothemicrochip’smemory,thenassignashortformtoeachword.Whenyouarewriting,youjustneedtowritetheshortformswiththepen,pressabuttononthepenandtheshortformswillchangeintotheactualwords.Themicrochipcancontainupto50wordsandyoucanmakechangestothelistofwordswheneveryouneedto.ColorchangingcupAsyoupourinyourhotdrink,thecolorchanges.It’smagic!SmartandcreativeinventionsYoucanneverchopyourfingersoffanymore.SmartandcreativeinventionsIt’sthensafeforyoungchildrentoeatthem.我們在推銷一件產(chǎn)品的時(shí)候，通常會(huì)從哪幾個(gè)方面去描述呢？InventionWhatistheinvention?Whatisitusedfor?Whoinventedit?Whenwasitinvented?SummaryItisoftendifficulttodecideontheinventorofcertaininventions.Thisisbecausesometimesafewpeoplemay_________thingswhicharenearlythesame.It’shardtotellwhocameupwiththeideafirst.Someinventionscanalsoleadtootherinventions_______________.Sosomepeople______whethertheinventorcameupwiththeideahimselforherself.1.Completethepassagewiththecorrectformsofthewordsinthebox.

inventdoubtallofasuddeninvent,doubt,mention,website,allofasuddenPracticeTheythinkthattheinventorusedsomeoneelse’sideatocreathisorherinvention.Thatiswhybooksor__________usually_________morethanoneinventorwhengivinginformationaboutinventions.mentionwebsitesSomeonestolemywatch._____________________________________________2.Theyusedfiveeggstomakethisbigcake._____________________________________________3.Whendidtheyinventthepersonalcomputer?_____________________________________________4.Theyaskedusnottoruninthehallway._____________________________________________5.Someonetookthevideobacktothestore.______________________________________