Unit6Whenwasitinvented?单元清•一、任务型阅读。•Sometimesthegreatestthingsareinventedbymistake.Thegreatestmistakeofalltimecouldbethosedelicioussnacksinyourcomerdrugstore.•Oneday,awomanwasmakingchocolatecookies.Whensheranoutofchocolatepowder(粉),shetookoutachocolatebarandbrokeitintolittlepieces.Sheaddedthepiecestohercookiedough(面团)andbaked(烘烤)it.Shethoughtthatthechocolatewould(1)meltintheovenandmakechocolatecookies.Farfrommelting,thepiecesofchocolatestayedhard.Whenshetookthemoutoftheoven,shehadchocolatechipcookies!•AnotheraccidentalinventionwasmadebyFrankEpperson,anelevenyearoldboy.In1905,Franksatoutsideonawinterevening,mixingupabigjug(罐)ofpowderedsodapop.Frankaccidentallyleftthejugoutduringthenight.Whenhewentoutsidethenextmorning,hefoundthemixtureinthejugfrozen(冻僵)withthemixingstickstuckinthemiddle.Frankpulledoutthefrozenpopandtastedit.Itwasdelicious!Frankstarted•sellingEppersonIciclesfor5centseach.Helaterchangedthenameto(2)Popsicles.•So,thenexttimeyoudropyourhamburgerintoyouricecreamoryourcookedpotatoesintoyourchickensoup,don'tworry!Someofthemostdeliciousfoodsintheworldwereinventedthatway!•根据短文内容,完成下列任务。•任务一请根据短文,猜测画线单词(1)melt的意思。将答案的字母代号填写在横线上。•A.changeintowaterB.changeintoice•任务二请根据短文内容,完成chocolatechipcookies的制作过程。•任务三请列举文中与(2)Popsicles同义的另外两个表述。•任务四请从文章中找出能够概括本文主旨大意的一个句子。A1.Takeoutachocolatebarandbreak_it_into_little_pieces2.Thenaddthe_pieces_to_the_cookie_dough3.Finallybakeit.frozen_pop;Epperson_Iciclesfrozen_pop;Epperson_Icicles•二、阅读理解。•Peoplearealwaysafraidofmakingmistakes.Butsometimesit'snotbadtomakemistakes,andhereiswhy.•Atfirst,mistakesareaclearsignthatyouaretryingnewthings.It'salwaysgoodtotrynewthings,becausewhenyouaretryingnewthingsyouaregrowing.Ifyounevertrynewthings,howcanyouimprove?Howcanyoucreate?Thesimpleansweris,“Youcan't.”lookaroundyou,everythingyouseeistheresultofsomeonetryingnewthings.•Anothergo...