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时间:2020-04-11
《高考英语二轮复习专题1阅读理解考点3主旨大意题即时巩固.docx》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、主旨大意题A(2018·天津,C)There’sanewfrontierin3Dprintingthat’sbeginningtocomeintofocus:food.Recentdevelopmenthasmadepossiblemachinesthatprint,cook,andservefoodsonamassscale.Andtheindustryisn’tstoppingthere.FoodproductionWitha3Dprinter,acookcanprintcomplicated
2、chocolatesculpturesandbeautifulpiecesfordecorationonaweddingcake.Noteverybodycandothat—ittakesyearsofexperience,butaprintermakesiteasy.ArestaurantinSpainusesaFoodinito“re-createformsandpieces”offoodthatare“exactlythesame,”freeingcookstocompleteotherta
3、sks.Inanotherrestaurant,allofthedishesanddessertsitservesare3D-printed,ratherthanfarmtotable.Sustainability(可持续性)Theglobalpopulationisexpectedtogrowto9.6billionby2050,andsomeanalystsestimatethatfoodproductionwillneedtoberaisedby50percenttomaintaincurr
4、entlevels.Sustainabilityisbecominganecessity.3Dfoodprintingcouldprobablycontributetothesolution.Someexpertsbelieveprinterscouldusehydrocolloids(水解胶体)fromplentifulrenewableslikealgae(藻类)andgrasstoreplacethefamiliaringredients(烹饪原料).3Dprintingcanreducef
5、ueluseandemissions.Grocerystoresofthefuturemightstock“food”thatlastsyearsonend,freeingupshelfspaceandreducingtransportationandstoragerequirements.NutritionFuture3Dfoodprinterscouldmakeprocessedfoodhealthier.HodLipson,aprofessoratColumbiaUniversity,sai
6、d,“Foodprintingcouldallowconsumerstoprintfoodwithcustomizednutritionalcontent,likevitamins.Soinsteadofeatingapieceofyesterday’sbreadfromthesupermarket,you’deatsomethingbakedjustforyouondemand.”ChallengesDespiterecentadvancementsin3Dfoodprinting,theind
7、ustryhasmanychallengestoovercome.Currently,mostingredientsmustbechangedtoapaste(糊状物)beforeaprintercanusethem,andtheprintingprocessisquitetime-consuming,becauseingredientsinteractwitheachotherinverycomplexways.Ontopofthat,mostofthe3Dfoodprintersnowarer
8、estrictedtodryingredients,becausemeatandmilkproductsmayeasilygobad.Someexpertsareskepticalabout3Dfoodprinters,believingtheyarebettersuitedforfastfoodrestaurantsthanhomesandhigh-endrestaurants.文章大意:本文是一篇科普文章。它主要介绍了3D食物打印机的优点和缺点。❶ Whatbenefitdoe
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