二十三　选择性必修 第二册　Units 2、3

二十三选择性必修第二册Units2、3(20分钟17.5分)阅读理解(共7小题;每小题2.5分,满分17.5分)A(2025·顺德模拟)TheHighSchoolCreatorExpoisameltingpotofhands-onactivities,interactivedemonstrations,andeducationalworkshopsthatbringthewondersofscienceandtechnologytolife.Highlights:

Engagewithcutting-edgetechnologiessuchasvirtualreality,augmentedreality,androbotics.Explorehowthesetechnologiesareshapingourworldandinspiringnewwaysoflearning,creatingandcommunicating.Participateinworkshopsledbyindustryexpertsandeducators,whereyou’lllearnhowtocode,designapps,buildcircuits,andcreateyourowntechprojects.Thesesessionsaredesignedtosparkyourcreativityandfosteraloveforproblem-solving.

Meetprofessionalsfromvariousfieldsoftechnology,includingsoftwaredevelopmentengineering,datascience,andcybersecurity.They’llsharetheirexperiences,offeradviceoncareerpaths,andansweryourquestions,helpingyouchartyourtech-drivenfuture.

Showcaseyourskillsincodingcompetitions,roboticschallenges,andothertech-themedevents.Competeagainstfellowstudents,winprizes,andgainvaluableexperiencethatcanhelpyoustandoutincollegeapplicationsandfuturejobinterviews.

Connectwithlike-mindedstudents,educators,andindustryprofessionals.Makenewfriends,buildyournetwork,anddiscoverpotentialmentorswhocanguideyouonyourtechjourney.TheHighSchoolCreatorExpoisnotjustaboutlearningabouttechnology,it’saboutempoweringyoutobecometheinnovators,creators,andproblem-solversoftomorrow.Markyourcalendarsandgetreadytobeinspired,educated,andentertainedattheHighSchoolCreatorExpo!【文章大意】本文是应用文,主要介绍了“高中创作者博览会”,列举了博览会的亮点,如接触前沿技术、参加专家研讨会、与专业人士交流、参加技术竞赛以及建立人脉网络等。1.WhoistheExpointendedfor?A.Universitystaff.

B.Techenthusiasts.C.Businessowners.D.Technologytutors.【解析】选B。推理判断题。根据第一段“TheHighSchoolCreatorExpoisameltingpotofhands-onactivities,interactivedemonstrations,andeducationalworkshopsthatbringthewondersofscienceandtechnologytolife.”以及第二段“Explorehowthesetechnologiesareshapingourworldandinspiringnewwaysoflearning,creating,andcommunicating.”可知,博览会是为技术爱好者举办的。故选B项。2.HowcanonebenefitfromtheExpo?A.Promotingtheirproducts.B.Havingjobinterviews.C.Gettingcareerinsights.D.Shapingtheworld.【解析】选C。细节理解题。根据第四段“They’llsharetheirexperiences,offeradviceoncareerpaths,andansweryourquestions,helpingyouchartyourtech-drivenfuture.”可知,在博览会上可以获得职业洞察力。故选C项。3.Whereisthetextprobablytakenfrom?A.Aschoolnewspaper.B.Anacademicarticle.C.Atechnologylecture.D.Aprojecthandbook.【解析】选A。推理判断题。根据最后一段“TheHighSchoolCreatorExpoisnotjustaboutlearningabouttechnology,it’saboutempoweringyoutobecometheinnovators,creators,andproblem-solversoftomorrow.Markyourcalendarsandgetreadytobeinspired,educated,andentertainedattheHighSchoolCreatorExpo!”可知,这篇文章可能出自学校报纸,用于宣传和鼓励学生参加博览会。故选A项。B(2025·临沂模拟)Ismodernfruitcultivated(培育)tobesweeterthaninthepast?Theshortanswerisyes,thoughthelongeranswerismorecomplicated.Someofthemostpowerfulevidencethatfruitissweeterthanbeforecomesfromzoos.In2018,itwasreportedthatMelbourneZooinAustraliahadstoppedgivingfruittomostofitsanimalsbecausecultivatedfruitwasnowsosweetthatitwascausingtoothdecay(蛀牙)andweightgain.Themonkeysatthezoowereprovidedwithalower-sugarvegetable-baseddietinsteadofbananas.Amongfruitcultivators,theword“quality”isnowroutinelyusedasanequalfor“highinsugar”(thoughfirmness,colorandsizearealsoconsiderations).In2010,inanarticlelookingatwaystoenhancethesweetnessoffruitusing“molecular(分子的)approaches”,agroupofplantscientistsoftheRepublicofKoreawrotethat“ingeneral,thesugarcontent”ofmanyfruitsisnowhigherthanbefore“owingtocontinuousselectionandbreeding”.Modernapplevarieties,thescientistsnoted,wereonaveragesweeterthanolderones.Cultivationisn’ttheonlyreasonthatmodernfruitissweeter;there’salsoclimatechange.ResearchfromJapanfoundthatsincethe1970s,withrisingtemperatures,Fujiapples(whichwerealreadyasweetvariety)havebecomesignificantlysweeterandsofter.Theleadresearcher,ToshihokoSugiura,saidthat“ifyoucouldtasteanappleharvested30yearsago,youwouldfeelthedifference”.Itissometimesclaimedthatthesweetnessofmodernfruitisnotduetohighersugarcontentsomuchasthefactthatthebitternessandsournessofwildfruithavebeensteadilycultivatedoutofit.There’sagrain—butonlyagrain—oftruthinthis.StudiesofwildapplesdoindeedsuggestthatsomeancientvarietieswerejustashighinsugarasamodernPinkLadyorHoneycrisp.Thedifferenceisthattherewasmuchwidervariationinsugarcontentacrosswildapples,whereasthemodernsupermarketappleseldomdropsbelowacertainlevelofsweetness.【语篇属性】语篇类型说明文主题语境人与社会(科学与进步科技发展与技术创新)语篇内容文章主要讲述了现代农业技术使得现代水果比以前更甜语篇结构Para.1Modernfruitissweeter,withevidencefromzoos.Para.2MelbourneZoostoppedgivingmostanimalscultivatedfruitforhealthreasons.Para.3“Quality”infruitcultivationoftenmeanshighsugar;modernfruitsaresweeter.Para.4Climatechangemakesmodernfruitsweeter,likeFujiapples.Para.5Modernfruit’ssweetnessrelatestoreducedbitterness/sournessandlesssugarvariation.【命题意图】4.WhydidMelbourneZoostopgivingfruittomostofitsanimals?此题考查对文章细节信息的理解。文中提到墨尔本动物园停止给大部分动物喂水果是因为现代培育的水果太甜,导致动物蛀牙和体重增加。5.WhatcanwelearnfromParagraph3?此题考查对第三段内容的理解和推理。从第三段可知,韩国的植物科学家在研究用分子方法提高水果甜度,可推断出现代在采用分子方法增加水果甜度。6.Whatdostudiesofwildapplesinthelastparagraphsuggest?此题考查对最后一段中野生苹果研究内容的理解。文中提到野生苹果的含糖量差异很大。7.What’sthebesttitleforthistext?此题考查对文章主旨的把握。文章围绕现代水果比过去更甜展开,包括原因和一些相关研究。4.WhydidMelbourneZoostopgivingfruittomostofitsanimals?A.Theanimalspreferredavegetable-baseddiet.B.Modernfruitdidgreatharmtoanimals’teeth.C.Thesugarcontentofmodernfruitislowerthanbefore.D.Theflavorofmodernfruitwasnotgoodfortheanimals.【解析】选B。细节理解题。根据文章第二段的In2018,itwasreportedthatMelbourneZooinAustraliahadstoppedgivingfruittomostofitsanimalsbecausecultivatedfruitwasnowsosweetthatitwascausingtoothdecayandweightgain.可知现代水果对动物的牙齿有很大的危害,因此停止了给动物供应水果。故选B项。5.WhatcanwelearnfromParagraph3?A.Thesugarcontentisbreeders’firstpriority.B.Sweeterfruitsarejustaresultofnaturalselection.C.Thesweetnessofmodernapplesisequaltotheaverageofolderones.D.Molecularapproachesareadoptedtoaddthesweetnessofmodernfruit.【解析】选D。细节理解题。根据文章第三段内容可知,现代水果的甜度采用分子方法,故选D项。6.Whatdostudiesofwildapplesinthelastparagraphsuggest?A.Applesofoldspeciestastedlesssweet.B.Thesugarcontentofwildapplesvariedgreatly.C.Thesweetnessofmodernapplesisofthesamelevel.D.Fruitissweetbecaus