04-选择性必修第一册Unit-2综合检测(人教版2019)

2023年高考英语一轮复习讲练测(人教版2019)选择性必修第一册Unit2综合能力检测(100分钟120分)第一部分阅读(共两节,满分50分)第一节(共15小题;每小题2.5分,满分37.5分)阅读下列短文,从每题所给的A、B、C、D四个选项中选出最佳选项。AAreyouinterestedinworkingwithanimals?Nowherecomesthechance.KirbyWildlifeParkhassetuptheuniqueKeeperExperience.Thefantasticexperienceisavailabletoanyoneovertheageof18whoisreasonablyfit.Weregretthatforhealthandsafetyreasons,peoplewhoarepregnant,inawheelchairorsufferingfromillnesscannottakepart.Atypicalday9:15Arrival9:30HealthandSafetyBriefing10:00ApesandMonkeysWhilecleaningoutenclosures(围场),youwillfindouthowtoenrichenclosureswithnovelitemsandnewsmellstostimulatetheanimals’sensesandimitatetheirnaturalenvironment.12:00Lunch14:00BigCatsYouwillfeedthecatsandlearnabouttheirnutritionalneeds.Thekeeperwillgiveyouanintroductiontohowcats’behaviorcanbereadtogetanideaoftheirwelfareandhealth.16:30MeettheTeamMeetmoreofthestaffandlearnhowyoucangetfurtherinvolvedwithworkatthepark.Learnaboutouranimaladoptionplan,whatittakestobegoodkeeperandwheretoobtaintherightqualificationsforacareerinanimalwelfare.Bookingandcancellation(撤销)TheKeeperExperienceisavailableonMondays,WednesdaysandFridaysthroughouttheyear,andmustbebookedatleastfourteendaysinadvance.Fullpaymentisneededwhenbooking.Cancellationsmustbemademorethanoneweekbeforetheevent,oryouwon’treceiveafullrefund.1.WhatcanyoudoinKeeperExperienceinKirbyWildlifePark?A.Batheanimals.B.Buyananimal.C.Feedapesandmonkeys.D.Createnaturalenvironmentforanimals.2.Whencanyoulearnabouttheanimaladoptionplan?A.At9:30 B.At10:00C.At14:00 D.At16:303.WhatcanbeknownaboutKeeperExperience?A.Itisavailabletoanyhealthyadult.B.Itshouldbebookedatleasttwoweeksaheadofschedule.C.Itoffersfreechancetopeopletoworkaskeepers.D.Itwillgiveafullrefundafterreceivingcancellations.BBytheyear2050,afifthoftheworld’scitieswillexperienceunprecedentedclimateconditionsandenvironmentsthatcurrentlydon’texistinanymajorcities,accordingtonewresearch.AteamofscientistsattheCrowtherLabinSwitzerlandproducedthereport,whichdescribedtheclimatefor520majorcities30yearsinthefuture.Theresultsshowedthat77percentoftheworld’scitieswillexperienceasurprisingchangeinclimateconditionsby2050,and22percentofthe520citieswillseeconditionsthatarenotcurrentlyexperiencedbyanyexistingmajorcities.InChinain2050,theclimateofXi’an,inShaanxiprovince,willbesimilartothatofcurrentdayMaseru,thecapitalcityofLesothoinsouthernAfrica,withthemaximumtemperatureofthewarmestmonthlikelytoincreaseby4.59℃.ChongqinginsouthwestChinawillresembletheclimateofSwazilandcapitalMbabane,asthewarmesttemperatureispredictedtoriseby5.1℃.ScientistspredictsummersinEuropewillgetwarmerbyanaverageof3.5℃andEuropeanwinterswillseetemperaturerisesof4.7℃.London’sclimatewillbemoresimilarloBarcelona,andMadrid’stoMarrakech.TheCrowtherLabhopestheanalysiswillmotivatedecision-makerstotakenecessarystepstopreventoraddresssomeoftheclimateeffectsduetothethreatofclimatechange.Thereportalsofoundthatcitiesintropicalregionswillexperiencesmallerchangesinaveragetemperaturebutwillbecontrolledbyshiftsinrainfallregimes.Thismayleadtoanoticeableincreaseinunexpectedevents,andseveredroughts.“Acrossallscientificfields,thegreatestchallengeinclimatescienceisnolongertheprecisemeasurementofclimatechangeimpacts,butinspiringpeopletopictureisactualeffectsinordertomotivateaction,”saidTomCrowther,seniorscientistandfounderoftheCrowtherLab.4.Accordingtotheresearch,amongthe520citiesby2050,about______citieswillexperiencetheclimateconditionsthatnomajorcitiescurrentlyhaveexperienced.A.400B.114C.260D.1045.Howdidthescientistsprovetheirresult?A.Bylistingfigures.B.Bymakingcomparisons.C.Bydoingexperiments.D.Byexplainingtheory.6.WhatistheCrowtherLabintendedfor?A.Tocomparetheclimatechangeofthemajorcitiesoftheworld.B.Toinspirepeopletopictureitsactualeffectsinordertomotivateaction.C.Toinspiredecision-makerstotakenecessarystepstopreventsomeclimateeffects.D.Toshowmostworld’scitieswillexperienceastrikingchangeinclimateconditions.7.Whatisthebesttitleofthepassage?A.WorldTemperatureB.CurrentClimateChangeC.BigTitlesintheWorldD.FutureClimateChangeinMostBigCities【解析】选D。标题归纳题。文章主要介绍了对未来的一些大城市气候变化的预测。D项:“一些大城市的未来气候变化”符合题意。故选D。CAninternationalteamofscientistshasdiscoveredastellarblackholeinEarth’s“cosmicbackyard”containingthemassof70suns.It’sablackholethatformsafterstarsdie,collapse,andexplode.Researchershadlongbelievedthatthesizelimitwasonly20timesthemassofoursunbecauseasthesestarsdie,theylosemostoftheirmassthroughexplosionsthatforcematterandgassweptawaybystellarwinds.ThistheoryhasnowbeentoppledbyLB-1,thenewlydiscoveredblackhole.Locatedabout15,000lightyearsaway,ithasamass70timesgreaterthanoursun,accordingtoapressreleasefromtheChineseAcademyofSciences.“Blackholesofsuchmassshouldnotevenexistinourgalaxy(星系),accordingtomostofthepresentmodelsofstellarevolution,”saidLiuJifeng,headoftheteamthatmadethediscovery.“LB-1istwiceasmassiveaswhatwethoughtpossible.Nowtheoristswillhavetotakeupthechallengeofexplainingitsformation.”ScientistsarenowscratchingtheirheadsathowLB-1gotsohuge.Theteamhasproposedsometheories.LB-1’ssheersizesuggeststhatit“wasnotformedfromthecollapseofonlyonestar,”thestudysaid—instead,itcouldpotentiallybetwosmallerblackholesorbitingeachother.Anotherpossibilityisthatitformedfrom“fallbacksupernova(超行星).”Thisiswhenasupernova—thelaststageofanexplodingstar—ejects(喷射)materialduringtheexplosion,whichthenfallsbackintothesupernova,creatingablackhole.Thisfallbackformationistheoreticallypossible,butscientistshaveneverbeenabletoproveorobserveit.ThereareseveraltypesofblackholesandstellarblackholeslikeLB-1areonthetwosmallersides,accordingtoNASA.Supermassiveblackholesaremuchbigger—theycanbebillionsoftimesthemassofoursun.Scientistsbelievesupermassiveblackholesmayhaveconnectionwiththeformationofgalaxies,astheyoftenexistatthecenterofthemassstarstemsbutitisstillnotclearexactlyhow,orwhichformfirst.8.Accordingtoscientists,whatmightaccountfortheformationofLB-1?A.Thematerialejectedintheexplosionofasupernova.B.Thetwosmallerblackholesmovingaroundeachother.C.Theevolutionofthesolarsystem.D.Thecollapseofacertainstar.9.Whatdoestheword“toppled”inParagraph3probablymean?A.Confirmed. B.Strengthened.C.Overturned. D.Refused.10.Whatisthepurposeofwritingthisarticle?A.Toinformreadersofthebasicknowledgeaboutblackholes.B.Tosharetherecentdevelopmentoftheblackholediscovery.C.Toshowtheimportanceofdiscoveringblackholesforscience.D.Toreportachievementsscientistshavemadeinblackholetheory.11.Whatmightbethebesttitleforthepassage?A.TheLatestDiscoveryofGalaxiesB.ProposedTheoriesofBlackHolesC.ThePossibleFormationoftheBlackHolesD.BiggestStellar-massBlackHoleDiscoveredDBillGates’bodymightliveinthepresent,buthisbrainlivesinthefuture.Hehasmadeacareeroutofpredictingwhatwillhappeninmattersofcomputing,publichealthandtheenvironment.Hecorrectlypredictedtheriseofsmartphonesandsocialmedia,andhislatestpredictionscouldcometrue,too.Here’swhatGatespredictsforthefutureofourworld.InhisAnnualLetter2015,GatesmadethepredictionthatAfrica’sagricultureindustrywouldincreaseproductivityby50%by2030.Nowthecontinentbuysabout$50billionworthoffoodfromothercountrieseachyear,although70%ofpeopleinAfricaarefarmers.“Inthenext15years,however,creationsinfarmingwillsolvethefoodprobleminAfrica,”Gateswrote.“Theworldhasalreadydevelopedcropsthataremoreproductive;withallthetechnologies,Africanfarmerscouldpossiblydoubletheirharvests.”By2035,therecouldbealmostnopoorcountries.InhisAnnualLetter2014,Gatesbravelypredictedthatcontinuedlevelsofforeignhelpcouldmeantherewouldbealmostnomorepoorcountriesby2035.“Almostallcountrieswillbewhatwenowcalllower-middleincomeorricher,”Gatesexplained.“Countrieswilllearnfromtheirmostproductiveneighborsandbenefitfromthingslikebetterseedsandthedigitalrevolution.”By2030,theworldwilldiscoveraclean-energybreakthroughtopowerourworld.OneofGates’morehopefulpredictionswhichcamein2016saidthatwind,solar,orsomeotherrenewableresourceswouldpowermostoftheworldwithin15years.“Thedifficultywefaceisbig,perhapsbiggerthanmanypeopleimagine,”hewroteinhisletter.“Butsoisthechancetomakethingsbetter.”Manyofthepoorcountrieshevisitedhadnorunningwaterorelectricity.Atnightthismeanttheycouldn’tlightorpowertheirhomes,andkeepbusinessesopen.“Iftheworldcanfindatypeofcheap,cleanenergy,itwilldomorethanpreventclimatechange,”hewrote.“Itwillchangethelivesofmillionsofthepoorestfamilies.”12.WhatdoestheauthorthinkofGates’predictions?A.Theysoundquiteunreal.B.Theyaremainlyaboutcomputers.C.Theywillprobablycometrue.D.Theyhaven’tproducedanyendresult.13.HowistheagricultureinAfrica?A.Itislosingitsworkforce.B.Itisinneedofproductivity.C.Itcansatisfythelocalneeds.D.ItisasbackwardasAfrica’sindustry.14.WhatshouldpoorcountriesdoaccordingtoGates?A.Useexpensiveseeds.B.Expectlessforeignhelp.C.Relyonthedigitalrevolution.D.Learnfromtheexperienceofothercountries.15.What’sGates’attitudetoclean-energydevelopment?A.It’snoeasytask.B.It’shardtoimagine.C.Itcanputclimatechangetoanend.D.Ithaslittletodowithpoorfamilies.第二节(共5小题;每小题2.5分,满分12.5分)阅读下面短文,从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余选项。Isittimetoditch(丢弃)sugar?It’snosecretthatsugarcancauseissuesifyou’reindulging(放任)inalittletoomuchofthesweetstuff.Still,mostAmericansareeatingtoomuchsugar.Theharmfuleffectsitcanhaveonyourphysicalhealtharewellstudied.16.SugarcanaffectyourmoodYouprobablyturntoadoughnut(甜甜圈)orsodaforanextraboostduringalongday.Yetsugarmaynotbesuchapositivepick-me-upafterall.Recentresearchindicatesthatsugarytreatshavenopositiveeffectonmood.17.Onestudypublishedin2017foundthatconsumingadiethighinsugarcanincreasethechancesofmooddisorders.Amorerecent2019studyfoundthatregularconsumptionofsaturatedfats(饱和脂肪)andaddedsugarswererelatedtohigherfeelingsofanxietyinadultsoverage60.18

It’shardtoavoidreachingforcomfortfoods,especiallyafteradifficultday.Butthecycleofconsumingsugartomanageyouremotionsmayonlymakeyourfeelingsofsadness,tiredness,orhopelessnessworse.Multiplestudieshavefoundalinkbetweendietshighinsugaranddepression.19.Thesecanleadtodepressionandmayevenincreasethelong-termriskofdevelopingamentalhealthdisorderinsomepeople.SugardestroysyourbrainpowerEmergingresearchhasfoundthatdietshighinsugarcandamagecognitivefunctioning,evenintheabsenceofextremeweightgainortoomuchenergyintake.A2015studyfoundthatconsuminghighlevelsofsugar-sweeteneddrinksmadeneurocognitivefunctionslikedecisionmakingandmemoryworse.20.Butamorerecentstudyfoundthathealthyvolunteersintheir20sscoredworseonmemorytestsandhadpoorerappetitecontrolafterjust7daysofeatingadiethighinsaturatedfatandaddedsugars.Althoughmorestudiesareneededtosolidifytheeffectsonmentalhealthofsugarconsumption,it’simportanttoconsiderhowdietcanaffectyourwell-being.A.Granted,theresearchwasdoneonratsB.SugarcanweakenyourabilitytodealwithstressC.Ifyou’redyingforsweets,here’swhattoeatinsteadD.Infact,sugarmayhavetheoppositeeffectovertimeE.SugarcanincreaseyourriskfordevelopingdepressionF.However,theeffectonmentalhealthisworthtakingasecondlookG.Overconsumptionofsugartriggersimbalancesincertainbrainchemicals第二部分语言运用(共两节,满分30分)第一节(共15小题;每小题1分,满分15分)阅读下面短文,从每题所给的A、B、C、D四个选项中选出可以填入空白处的最佳选项。ToTheStrand’sfamilyandfriends,TheStrand’staskhasalwaysbeensimple.Itistogetgood21inthehandsofreaders.Forover93years,the22mygrandfatherfoundedhasbecomesomuchmorethanjustabookstore—TheStrandhasbecomeacommunitycenter,welcomingallbook23withopenarms.Inorderto24TheStrandasabusiness,withnoincomeandnoclearideaastowhenwecan25ourdoor,wehavehadtotemporarilyfirethemostofourworkers.Duetotherapid26ofCOVID-19,wemakethe27tocloseourdoorsaweekbeforethegovernmentorder,aswefeltitwasunsafeforour28andcommunity.Thisisthefirsttimeinour29thatwehavehadtohavealayoff(裁员).Allofourworkershavebeen30fortheweekandwearepayingoutanyvacation.Wearealsoworkingwithourunionandourproviderstoextend(延长)healthinsuranceaslongaspossible.WeknowthatitisourbooksellersthatmakeTheStrandso31,soourgoalisto32thissowecanrehireeveryemployeeassoonaspossible.Wewon’t33now.WehaveputforwardarequesttotheGovernor’sofficeinordertoregainourabilitytostartonlineandphoneordersas34aspossible.Westronglybelievethatourbooksareaveryimportantresource(资源)theworldcould35userightnow.21.A.goods B.articles C.books D.letters22.A.school B.hospitalC.community D.bookstore23.A.writers B.lovers C.sellers D.posters24.A.keep B.find C.collect D.change25.A.repack B.repayC.reopen D.repair26.A.spread B.lossC.recovery D.control27.A.decision B.suggestionC.belief D.comment28.A.designers B.workersC.employers D.managers29.A.question B.serviceC.history D.reply30.A.served B.greetedC.charged D.paid31.A.strange B.comfortableC.normal D.popular32.A.getthrough B.getbackC.playwith D.keepoff33.A.showoff B.giveupC.pickout D.comeout34.A.much B.soon C.well D.often35.A.finally B.almost C.really D.never第二节(共10小题;每小题1.5分,满分15分)阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。Wearecurrentlylivinginaworld36.__________rapidadvancesinmedicineandtechnologyinfluenceourliveson37.__________regularbasis.Onetechnology,whichinrecentyears38.__________(develop)veryquickly,iscloning.Clonesrefertoanimalsorplantsthatareproducedtobeexact39.__________(copy)ofoneanother.Clonesofdifferentkindsareproducedinvariousways,andtheyhavebecome40._______(value)inmanymedicalapplicationsandbiologicalexperiments.Mostareproducedinthelaboratory,withsomeofthem41.________(occur)inseveralspeciesinanaturalway.Areportin2018hadpicturesofMacaquemonkeysthathadbeenclonedsuccessfully.Sincetheyareprimates(灵长目动物)likeus,itgetsustocomeeven42.________(close)tofindtherightproceduresofthecloningofhumans.Thiscomestothequestionwhywewouldneedorwanttodothis.Woulditbe43.__________thebestinterestofhumankindtodevelopthistechnology?Besides,themoralquestionsthatwillberaised44.__________(be)unbelievable,andwoulditbeanaccomplishmentthatcouldbenefithumankindenough45.__________(balance)theilleffectsthatitmightproduce?第三部分写作(共两节,满分40分)第一节(满分15分)随着社会的发展,各种发明以及高科技产品成为我们日常生活的必需品,如手机(mobilephone)、数码相机(digitalcamera)等。请以MyFavouriteInvention为主题,准备一篇发言稿,主要内容包括:1.你喜欢的科技产品;2.喜欢的理由。注意:1.词数80左右;2.开头和结尾已给出,不计入总词数。Hello,everyone,I’dliketomakeaspeechwiththetitle:MyFavouriteInvention.____________________________________________________________________________________________________________________________________________________________________________________________________________That’sall.Thankyou.第二节(满分25分)阅读下面材料,根据其内容和所给段落开头语续写两段,使之构成一篇完整的短文。Desiree,a4-year-oldgirl,wassobbingquietlyoverherfather,Ken,whohaddiedninemonthsearlier.Shewashuggingaphotographofherfatherwithherfingersrunningaroundhisface.“Daddy”,shesaidsoftly,“Whywon’tyoucomeback?”Insteadofgraduallyadjustingtoherfather’sdeath,Desireerefusedtoacceptit“Daddywillbehomesoon,”she’dtellhermother.“He’satwork.”Whensheplayedwithhertoytelephone,shepretendedshewaschattingwithherfather“Imissyou,Daddy,”she’dsay.“Whenwillyoucomeback?”Desiree’ssituationmadehermotherworried.Dayslater,itwasKen’sbirthday.“HowwillIsendhimacard?”Desireeaskedhermother“Howaboutifwetiealettertoaballoon.”hermothersaid,“andsendituptoheaven?”Desiree’seyesimmediatelylitup.HermothertookhertoastoreandDesireepickedoutaballoonwithHAPPYBIRTHDAYaboveadrawingofTheLittleMermaid(美人鱼).Desireeandherfatherhadoftenwatchedit.Thechild’seyesshoneastheywereonthewaytoKen’sgrave.ThenDesireedictated(口述)alettertoherDad.“Daddy,Happybirthday,Iloveyouandmissyou,”sherattledoff(快速说).“IhopeyougetthisandcanwritetomeonmybirthdayinJanuary.”Hermotherwrotethemessageandtheiraddressonasmallpieceofpaper,whichwasthenwrappedinplasticandtiedtotheendofthestringontheballoon.Finally,Desireeflewtheballoon.Foralmostanhour,theywatchedtheshiningspotofsilvergrowsmallerandsmallertilldisappear.“NowDad’sgoingtowritebacktome,”Desireesaidconfidently.Everydaysincetheyflewtheballoon,Desireehadaskedhermother,“DoyouthinkDaddyhasmyballoonyet?”Severalweekspassed,andshestoppedasking.注意:续写词数应为150左右。Oneday,3,000milesaway,Wadewasonaduckhuntwhensuddenlysomethinginthebushcaughthiseyes.____________________________________________________________________________________________________________________________________________________________________________________________________________

Desire’sfifthbirthdaycameandlaterontheafternoon,apackagearrived.____________________________________________________________________________________________________________________________________________________________________________________________________________参考答案第一部分阅读(共两节,满分50分)第一节(共15小题;每小题2.5分,满分37.5分)A【文章大意】本文为广告。文章主要讲述了Kirby野生动物园向人们发出做动物管理员的邀请并详细介绍了活动的安排。1.【解析】选D。细节理解题。根据“Atypicalday”部分可知,你可以利用新奇的物品和新的气味给动物们创造出它们的自然环境。故选D。2.【解析】选D。细节理解题。根据“Atypicalday”部分中的“16:30MeettheTeam”的内容可知,16:30时,你可以见到更多的工作人员并了解如何进一步参与公园的工作以及动物收养计划。故选D。3.【解析】选B。细节理解题。根据倒数第二段可知,要体验饲养员的话,必须至少提前两星期预定。故选B。B【文章大意】这是一篇说明文。通过数据列举讲述了到2050年,世界上许多大城市的气候将变暖,呼吁人类要尽快采取措施。4.【解析】选B。细节理解题。根据第二段可知,520个城市中的22%大约就是114,所以到2050年,大约有114个城市将面临气候条件的变化。故选B。5.【解析】选A。推理判断题。根据第二段,第三段和第四段中所列举的具体数据可知,这些科学家通过列出具体的数据来佐证他们的研究结果。故选A。6.【解析】选C。细节理解题。根据第五段可知,theCrowtherLab的目的就是激励决策者采取必要的措施来防止一些气候影响。故选C。7.【解析】选D。标题归纳题。文章主要介绍了对未来的一些大城市气候变化的预测。D项:“一些大城市的未来气候变化”符合题意。故选D。C【文章大意】本文是一篇科普说明文,主要是与读者分享黑洞发现的新进展。8.【解析】选B。细节理解题。由文章的第六、七段“Scientistsarenow...eachother.”可知LB-1不是由一颗行星的爆炸解体形成的,而是两个小的黑洞相互环绕形成的,由此可知B选项为正确答案。9.【解析】选C。词义猜测题。根据上下文“Thistheory...Sciences.”可知LB-1是一个新的黑洞理论,与原先研究人员认为的不同,故前文所讲述的黑洞理论将会被推翻或否认,从而可以猜测toppled为“推翻”之意。结合选项可知C选项为正确答案。10.【解析】选B。推理判断题。阅读全文可知,文章主要围绕黑洞新发现展开,包括黑洞如何形成、黑洞的大小等,因此可推知,作者写这篇文章是为了与读者分享黑洞发现的新进展,故B选项为正确答案。11.【解析】选D。标题归纳题。根据文章围绕的“黑洞新发现”以及“Thereareseveral...oursun有几种类型的黑洞,LB-1还算是小的,据NASA显示,超级黑洞可能是太阳的数十亿倍大”可知新发现的黑洞是超级大的,原先理论认为黑洞大约只有太阳的20倍,可知最新发现的黑洞是最大的,综上所述可知D选项“BiggestStellar-massBlackHoleDiscovered”概括最为贴切、全面,故D选项为正确答案。D【文章大意】这是一篇说明文。文章主要说明了BillGates对于未来世界的预测,他预测到2030年非洲农业生产力将提高50%,到2035年将几乎没有贫穷国家以及到2030年世界对于清洁能源的发现会有突破,并为我们的世界提供能源。12.【解析】选C。细节理解题。根据第一段可知Gates正确地预测了智能手机和社交媒体的崛起,他的最新预测也有可能成为现实。由此可知,作者认为Gates的预测很可能会成为现实。故选C。13.【解析】选B。推理判断题。根据第二段中第一句可知Gates在2015年的年度信中预测,到2030年,非洲农业生产力将提高50%。由此可推知,非洲的农业需要生产力。故选B。14.【解析】选D。细节理解题。根据第三段可知各国将向生产力最高的邻国学习,并从更好的种子和数字革命等方面获益。由此可知,贫穷国家应该学习其他国家的经验。故选D。15.【解析】选A。推理判断题。根据最后一段可知,Gates认为发展清洁能源不是一件容易的事。故选A。第二节(共5小题;每小题2.5分,满分12.5分)【文章大意】这是一篇说明文。文章介绍了糖对心理健康的影响。16.【解析】选F。文章主要讲糖对心理健康的影响,此处引出下文并与上文形成转折,F选项“然而,对心理健康的影响值得再看一眼”切题。故选F。17.【解析】选D。由小标题“Sugarcanaffectyourmood”(糖会影响你的情绪)及空前内容可知,糖会影响人的情绪,对情绪没有积极影响,说明糖对情绪的影响是消极的,承接上下文,D选项“事实上,随着时间的推移,糖可能会产生相反的效果”切题。故选D。18.【解析】选E。由第四段可知,用糖来控制抑郁情绪只会更糟,高糖饮食与抑郁症之间存在联系,说明糖会增加抑郁症的风险,E选项“糖会增加你患抑郁症的风险”能概括本段内容。故选E。19.【解析】选G。本段在分析糖会增加抑郁症风险的原因,该空填写内容应与其原因相关,衔接下文,G选项“过度消耗糖会引发某些大脑化学物质的失衡”切题。故选G。20.【解析】选A。A选项中的“theresearch”对应上一句中的“A2015study”,该空是对上一句研究结果的肯定,表明此处研究结果真实可靠,承接上文,A选项“当然,这项研究是在老鼠身上进行的”切题。故选A。第二部分语言运用(共两节,满分30分)第一节(共15小题;每小题1分,满分15分)【文章大意】这是一篇应用文。文章是斯特兰德书店写给外界的一封信,讲述了在新冠病毒肆虐的环境下书店不得不暂时关门,并且书店正在努力能够尽快恢复运营。21.【解析】选C。句意:那就是把好书交到读者手中。根据“inthehandsofreaders”可知,此处是指把好书交到读者手里。故选C。22.【解析】选D。句意:在过去的93年里,我祖父创立的书店已经不仅仅是一家书店了。根据“morethanjustabookstore”可知,此处是指这个书店。故选D。23.【解析】选B。句意:斯特兰德已经成为一个社区中心,张开双臂欢迎所有的图书爱好者。根据“TheStrand’staskhasalwaysbeensimple.Itistogetgoodbooksinthehandsofreaders.”(斯特兰德的任务一直很简单。那就是把好书交到读者手中。)可知,斯特兰德是为图书爱好者开放的。故选B。24.【解析】选A。句意:为了维持斯特兰德公司的经营,我们没有收入,也不清楚什么时候能重新开门,我们不得不暂时解雇大部分员工。在没有收入的情况下解雇大部分员工是为了维持经营。故选A。25.【解析】选C。根据“ourdoor”可知,此处是指重新开门。故选C。26.【解析】选A。句意:由于新冠病毒的迅速传播,我们在接到政府命令的前一周决定关门,因为我们觉得这对我们的工人和社区来说不安全。根据“ofCOVID-19”可知,此处是指新冠病毒的迅速传播。故选A。27.【解析】选A。根据“tocloseourdoors”可知,此处是指做出关门的决定。故选A。28.【解析】选B。此处it是指新冠病毒的迅速传播,如果不关门,这对工人和社区都是不安全的。故选B。29.【解析】选C。句意:这是我们公司历史上第一次不得不裁员。根据“Thisisthefirsttime”可知,此处是指这是这家公司历史上第一次不得不裁员。故选C。30.【解析】选D。句意:我们所有的工人都已领到了当周的工资,我们将支付休假费。此处是指所有的工人都已领到了当周的工资。故选D。31.【解析】选D。根据前文“TheStrandhasbecomeacommunitycenter”(斯特兰德已成为一个社区中心)可知,斯特兰德非常受欢迎。故选D。32.【解析】选A。getthrough度过(难关);getback回来;playwith同……一起玩;keepoff避免,回避。根据“sowecanrehireeveryemployeeassoonaspossible”可知,此处是指尽快度过难关。故选A。33.【解析】选B。根据后文“WehaveputforwardarequesttotheGovernor’sofficeinordertoregainourabilitytostartonlineandphoneorders”可知,“我们”在努力想办法恢复运营,所以“我们”没有放弃。故选B。34.【解析】选B。句意:我们已经向州长办公室提出请求以尽快恢复我们在线和电话订购的能力。因为书店运营现在处于停滞状态,所以是尽早恢复。故选B。35.【解析】选C。句意:我们坚信,我们的书籍是当今世界真正需要的非常重要的资源。此处是指我们的书籍是当今世界真正需要的。故选C。第二节(共10小题;每小题1.5分,满分15分)【文章大意】本文是一篇说明文。飞速发展的医学和技术常常影响着我们的生活,其中一项技术就是克隆,本文主要介绍了克隆的概念、现状以及存在的一些问题。36.【解析】where。考查定语从句。分析句子结构可以发现,空前是主句,空处引导定语从句,修饰先行词world,空处在从句中作地点状语,故用where。37.【解析】a。考查冠词。飞速发展的医学和技术常常影响我们的生活。onaregularbasis“定期地,经常地”,故填不定冠词a。38.【解析】hasdeveloped/hasbeendeveloping。考查动词时态。根据时间状语“i