辽宁省灯塔市第二初级九年级英语全册UNIT9ILIKEMUSICTHATICANDANCETO（第2课时）课件（新版）人教新目标版

Unit9

Whenwasitinvented?SectionBA:Whowasthe_______inventedby?B:Itwasinventedby______.CarlBenzRevisioncarA:Whenwasthe_______invented?B:Ithinkitwasinventedin______.197619711927A:Whatisthe_______usedfor?B:Itisusedfor_______________.talkingwithpeopletelephoneWhoinventedpotatochips?Howdothefoodtaste?soursweetsweetsweetcrispysaltyListentothehistoryofpotatochipsandcircle“T”(fortrue)or“F”(forfalse).Potatochipswereinventedbymistake.Theywereinventedin1863.Thecustomerthoughtthepotatoesweren’tthinenough.Thecustomersaidtheyweren’tsaltyenough.Georgewantedtomakethecustomerhappy.Thecustomerwashappyintheend.2aTFFFFFFTTTTTthatpotatochipswereinventedbymistake?PotatochipsbyachefcalledGeorgeCrum.Theywereinventedin.GeorgeCrumcookedthemforalongtimeuntilthey.Andhesprinkledlotsofsaltonthemsotheywere.Didyouknowwereinvented1853werecrispyreallysalty2bThehistoryofpotatochipsPAIRWORK

A:Didyouknowpotatochipswereinventedbymistake?B:Wow,Ididn’tknowthat.Whoinventedthem?A:…2cDiscussWhatcausesinconvenience(不便)toyou?Howtochangeit?Canyouinventsomethingtochangeit?Readthehistoryoftea.Whoinventedtea?

Didyouknowthattea,themostpopulardrinkintheworld(afterwater),wasinventedbyaccident?Althoughteawasn’tbroughttotheWesternworlduntil1610,thisbeveragewasdiscoveredoverthreethousandyearsbeforethat.AccordingtoanAncientChineselegend,theemperorShenNongdiscoveredteawhenhewasboilingdrinkingwateroveranopenfire.3aSomeleavesfromanearbybushfellintothewaterandremainedthereforsometime.Theemperornoticedthattheleavesinthewaterproducedapleasantsmell.Laterhedecidedtotastethehotmixture.Itwasquitedelicious.Andinthisway,oneoftheworld’sfavoritedrinkswasinvented.Whatisthearticleabout?Whenwasitinvented?Whowasitinventedby?Howwasitinvented?Itisabouttheinventionoftea.Itwasinventedoverthreethousandyearsago.ItwasinventedbytheChineseemperorShenNong.Itwasinventedbyaccident.Listenandwriteanswerstothequestions.Writeanarticleusingthenotesinthebox.3bFrompieplatetoflyingdisk.Theflyingdiskwasinventedbycollegestudents.TheyusedametalpieplatefromabakeryinBridgeport,Connecticut.Studentsatethebakery’spiesandthenthrewthepieplates.Today,thereareflyingdiskclubs,magazinesandafestival.apenthatlistensandwritesNewinvention:Use:Itcanlistentothewriterandwritebyitself.Price:$50Problem:writingtests4aactivityglassestemperaturecupNewThought,NewInvention!PAIRWORKArethenew“inventions”usef