天津专用2019高考英语二轮增分策略专题三阅读理解第二节分类突破十一主旨大意-标题归纳题优选习题

《天津专用2019高考英语二轮增分策略专题三阅读理解第二节分类突破十一主旨大意-标题归纳题优选习题》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、十一、主旨大意——标题归纳题(2018·6月天津，C)There’sanewfrontierin3Dprintingthat’sbeginningtoeintofocus：food.Recentdevelopmenthasmadepossiblemachinesthatprint，cook，andservefoodsonamassscale.Andtheindustryisn’tstoppingthere.FoodproductionWitha3Dprinter，acookcanprintplicatedchocolatesculpturesandbeautifulpiecesforde

2、corationonaweddingcake.Noteverybodycandothat—ittakesyearsofexperience，butaprintermakesiteasy.ArestaurantinSpainusesaFoodinito“re-createformsandpieces”offoodthatare“exactlythesame，”freeingcookstopleteothertasks.Inanotherrestaurant，allofthedishesanddessertsitservesare3D-printed，ratherthanfarmtotabl

3、e.Sustainability(可持续性)Theglobalpopulationisexpectedtogrowto9.6billionby2050，andsomeanalystsestimatethatfoodproductionwillneedtoberaisedby50percenttomaintaincurrentlevels.Sustainabilityisbeinganecessity.3Dfoodprintingcouldprobablycontributetothesolution.Someexpertsbelieveprinterscouldusehydrocollo

4、ids(水解胶体)fromplentifulrenewableslikealgae(藻类)andgrasstoreplacethefamiliaringredients(烹饪原料).3Dprintingcanreducefueluseandemissions.Grocerystoresofthefuturemightstock“food”thatlastsyearsonend，freeingupshelfspaceandreducingtransportationandstoragerequirements.NutritionFuture3Dfoodprinterscouldmakepr

5、ocessedfoodhealthier.HodLipson，aprofessoratColumbiaUniversity，said，“Foodprintingcouldallowconsumerstoprintfoodwithcustomizednutritionalcontent，likevitamins.Soinsteadofeatingapieceofyesterday’sbreadfromthesupermarket，you’deatsomethingbakedjustforyouondemand.”ChallengesDespiterecentadvancementsin3D

6、foodprinting，theindustryhasmanychallengestoovere.Currently，mostingredientsmustbechangedtoapaste(糊状物)beforeaprintercanusethem，andtheprintingprocessisquitetime-consuming，becauseingredientsinteractwitheachotherinveryplexways.Ontopofthat，mostofthe3Dfoodprintersnowarerestrictedtodryingredients，because

7、meatandmilkproductsmayeasilygobad.Someexpertsareskepticalabout3Dfoodprinters，believingtheyarebettersuitedforfastfoodrestaurantsthanhomesandhigh-endrestaurants.46.Whatbenefitdoes3Dprintingbringtofoodproduction?A.Ithelps