unit9SectionB.ppt

九年级人教新目标,Unit9Whenwasitinvented?,SectionB,Howdotheytaste?,crispy,salty,crispy,sweet,sour,sweet,sweet,soft,bitter,sweet,soft,salty,1a.Fillintheblankswiththewordsgiven.,sour,sweet,crispy,salty,sour,salty,sweet,sweet,1b.Writethenameofadifferentfoodaftereachword.,sweet:crispy:salty:sour:,banana,apple,cakepotatochips,saladpizza,frenchfries,olivesgrape,lemon,pickle,grapefruit,2a.Listenandcircle“T”or“F”.,1.Potatochipswereinventedbymistake.2.Theywereinventedin1863.3.Thecustomerthoughtthepotatoeswerentthinenough.4.Thecustomersaidtheywerentsaltyenough.5.Georgewantedtomakethecustomerhappy.6.Thecustomerwashappyintheend.,T,F,T,F,F,T,Thehistoryofpotatochips_thatpotatochipswereinventedbymistake?Potatochips_byachefcalledGeorgeCrum.Theywereinventedin_.GeorgeCrumcookedthemforalongtimeuntilthey_.Andhesprinkledlotsofsaltonthemsotheywere_.,Didyouknow,wereinvented,1853,werecrispy,reallysalty,2b.Listenagainandcompletethesentences.,2c.Pairwork,A:Didyouknowpotatochipswereinventedbymistake?B:Wow,Ididntknowthat.Whoinventedthem?A:itwasinventedbyachefcalledGerogeCrum.,3a.Readthearticleandanswerthequestions.,Whoinventedtea?,1.Whatisthearticleabout?2.Whenwasitinvented?3.Whowasitinventedby?4.Howwasitinvented?,Itisabouttheinventionoftea.,Itwasinventedoverthreethousandyears.,ItwasininventedbytheChineseemperor,ShenNong.,Itwasinventedbyaccident.,Matchthemintosentences.,Thetea,wasntbrought,tothewesternworlduntil1610.,ShenNong,wasboilingdrinkingwater,overanopenfire,Someleaves,fell,tothewater,Theemperor,decided,totastethehotmixture,3b.Writeanarticleusingthenotesinthebox.,Asampleversion,FrompieplatetoflyingdiskTheflyingdiskwasinventedbycollegestudents.Flyingdiskisametalpieplate.Inthe1950s,severalcollegestudentsatepiesmadebyabakeryinBridgeport,Connecticut.Theyfounditinterestingtothrowthepieplateswitheachother.Thenitbecameagame.Today,thereareflyingdiskclubs,magazinesandevenafestival.,4a.Thinkofsomethingthatyoudontlikedoing.Thenthinkofaninventionthatcouldhelpyou.Writethedetailsinthechart.,Problem:weoftengethurtbythehotwaterinthecup.Newinvention:acupthatcantellyouthetemperatureofthewater.Use:Itcanshowthetemperatureofthewater.Price:$50,Explanation,1.Potatochipswereinventedbymistakes.mistake作名词“错误，误会”。也可以作动词“弄错，犯错”。常见形式有：makeamistake出错e.g.Youhavemadeamistakehere.mistakefor错把当作Theymistookhimforhisbrother.bymistake错误地e.g.Theysentthelettertomebymistake.,3.Didyouknowthatteawasinventedbyaccident?byaccident“偶然地，碰巧”。同义词组是bychance，同义词是accidentally,反义词组是onpurpose.,4.Althoughteawasntbroughttothewesternworlduntil1610,(1)although作连词,意为“虽然,尽管”,引导让步状语从句,我们不能根据汉语习惯,在后面使用连词but,不过它可以与yet,still连用;e.g.Althoughheisverybusy,healwaystalkswithus.,(2)notuntil意为“直到才”until引导一个时间状语从句。IdidnotgotobeduntilIfinishedmyhomework.5.AccordingtoanancientChineselegend，theemperorShenNongdiscoveredtea(1)accordingto是个短语介词,意为“根据;依照”后接代词,名词或由疑问词以及whether引出的名词性从句。,e.g.Accordingtotheradio,itwillraintomorrow.(2)discover意为“发现”，指发现的对象是本来存在的。find意为“找到”，强调结果。invent意为“发明”，发明的对象是以前没有的东西。,用所给词的正确形式填空。,1.TheTV_(invent)around1927.2.Theyareusedfor_(see)inthepark.3.Thiskite_(make)byUncleWang.4.Tea_(discover)a