Unit 5 Humans and nature单元综合检测（含解析）高中英语北师大版（2019）必修 第二册

1/12单元综合检测(二)第一部分阅读第一节阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项。AScreenwritingCampforTeensAtNewYorkFilmAcademy's4-weekscreenwritingcampforteens,studentslearnhowtowritetheirownscreenplays．Thishands-oncampisstructuredtobenefitstudentsofanyexperiencelevel．Studentsspendanaverageof24hoursperweekinclass,and8to16hoursperweekinwritinglabs．Inalllocations,studentshavetheopportunitytowriteandshootagroupproject．Studentsarerequiredtodoasignificantamountofwritingintheeveningsandonweekendstocompletethewrittenassignmentsofthiscamp．ScreenwritingSummerCampClassesTogetasenseofwhatstudentswilllearninthescreenwritingcamp,herearesomescreenwritingcoursestheywilltake．●StoryGeneration:Thisisafirst-weekclassinwhichstudentspresentavarietyoffilmideasandchooseonetowritefortherestofthecourse．●ScreenplayAnalysis:Thisclasslooksatthecomplexitiesoffeature-lengthscreenwriting．●FilmCraft(技术):Inthiscoursestudentslearnabouttheelementsofthefeaturefilm．●ProductionWorkshop:Studentsexpandtheirunderstandingofthevisualcomponentsofascreenstorybyshootingtheirownshortscene．CampInformationClassesareheldattheFilmAcademy'sNewYorkCity(NYC),LosAngeles(LA),andSouthBeachcampuses．TuitionFees:$4，525StartDatesforOurLocations:June25,2024-July22,2024Ifyouneedassistance,pleasecontactusimmediatelyatsummerprograms@nyfa．eduorcallusat212-674-4300(NYC),818-333-3558(LA),or305-534-6009(SouthBeach)sowecanassistyou．Formoreinformationaboutallothercamplocations,pleasecontact212-966-3488．1．Whatwillstudentsdointhe4-weekcamp?A．Studyinclassforabout48hours．B．Dotheirhomeworkinwritinglabs．C．Learntowritefor16hoursonweekends．D．Getsomeexperienceofscreenwriting．2．Whichcourseallowsstudentstolearnaboutthefeaturefilm?A．FilmCraft．B．StoryGeneration．C．ScreenplayAnalysis．D．ProductionWorkshop．3．WhichnumbershouldyoucallifyouwanttolearnmoreabouttheNYCcamp?A．212-674-4300． B．818-333-3558．C．305-534-6009． D．212-966-3488．BAseriesofsmallearthquakeshaveshakencentralNebraskaandbecomethetalkofthearea．Accordingtotheinformationonawebsite,therehavebeenseveralquakessincethe9ththismonthintheheartofthestate,centeredonthetownArnold,whichisabout225mileswestofthecapitalLincoln．Thefirst,a3．3-magnitude(震级)quake,happenedearlythatmorning,followedbythreeonthefollowingday,anotheronSunday,andthenthemostrecentearthquakeonMonday．Thestrongestquakewasthefirstonethatstruckonthe10th,whichreachedamagnitudeof3．7．Theearthquakeswerefoundaboutthreemilesbelowthesurface．Therehaven'tbeenanyreportsofhumaninjuryordamageofbuildingscausedbythequakes,accordingtoKWBE,aradiostation．“Itisjustkindofstrange，”BeckyDailey,treasureroftheArnoldChamberofCommerce,toldthatstation,addingthatpeoplearoundtownarerunningaroundandtalkingaboutthefrequentquakes．Actuallysmallquakeslikethesearenotunusual．JusttwominutesbeforeNebraska'smostrecentearthquake,aseparateoneshookacityintheDominicanRepublic,reachingamagnitudeof2．5．Acoupleofhourslater,a2．7-magnitudeearthquakehitanareanearAguanga,inSouthernCalifornia'sRiversideCounty．ThereweretwomorethatdayindifferentareasofPuertoRico:a2．9-magnitudequakeanda3．1-magnitudequake．Thosewereallsmall,butstrongerquakesregularlyrocktheworld—justnotsooften．Earthquakesareusuallycausedwhenrockundergroundsuddenlybreaks．Thissuddenreleaseofenergycausesthewavesthatmakethegroundshake．Twoblocksofrockortwoplatesarerubbing(摩擦)againsteachother．Afterawhile,therocksbreakbecauseofallthepressurethatisbuiltup．Whentherocksbreak,theearthquakehappens．4．WhatdoweknowaboutthequakesinNebraska?A．Thereweresixquakesinall．B．Theyallhappenedwithin24hours．C．TheywerecenteredonthecapitalLincoln．D．Thebiggestonereachedamagnitudeof4．0．5．WhatcanweknowaboutthequakesinNebraskaaccordingtoKWBE?A．Theymostprobablycausedmanybuildingstofall．B．Theymostprobablycauseddamagetothecrops．C．Theymostprobablywerenotfeltbythelocals．D．Theymostprobablywerenotdangerous．6．Whatdoestheunderlinedword“It”inparagraph2mostprobablymean?A．Thatnohumangotinjuredinthequakes．B．Thatquakeshappenedtheresofrequently．C．Thatanearthquaketookplaceinthestate．D．Thatpeoplekepttalkingaboutthequakes．7．Whatdoestheauthorwanttoshowbymentioningthequakesinparagraph2?A．Somanyquakeshappenedonthe9th．B．Smallquakescanbeeasiertofindnow．C．Nobigearthquakeshappenedthesedays．D．Smallquakesareactuallyverycommon．CWhenyouthinkofajungleadventure,whatcomestomind?Aretheygorgeousbirdsflyingthroughtheairormonkeysjumpingthroughtheforest?Doyouthinkofplants?Probablynot．Afterall，plantsaren'tthemostexcitinglivingthingsintheworld．Theyjustsitthereandabsorb(吸收)waterandnutrients(养分)fromthesoilandthesun．Butactuallytherearealsosomeplantsthateatinsectsandevensmallanimalsfromtimetotime．Wecalltheseunusualthingscarnivorous(食肉性)plants．Althoughmostcarnivorousplantseatsmallinsects,largecarnivorousplantsinsomehotandwetareashavebeenknowntocapture(捕获)rats，birds，andfrogs．OnecarnivorousplantmanypeoplearefamiliarwithistheVenusflytrap．Itsunique“jaws(颌)”willfunctionwhenfliesandothersmallinsectstouchit．Onceitsjawscloseonitsvictim,itproducesachemicalsubstance(物质)thatbreaksdowntheinsectandabsorbstheinsect'snutrients．Thereareseveralotherexamplesofcarnivorousplants．Forexample,someplantscancatchinsectswiththeirleaves,whicharelikeatallnarrowwineglass,whilesometraptheirvictimswithstickytentacles(触手)．Andsomegrowinginpondsandstreamsabsorbtheirvictimslikeunderwatercleaners．Carnivorousplantstendtogrowinareaswherethesoilisverythinandlacksnecessarynutrients．Theseplantsmustfindothersourcesforthenutrientstheyneed．Trappingandeatinginsectsallowstheseuniqueplantstosurvive．Unfortunately,humanandenvironmentalfactorscontinuetothreatenthelimitedenvironmentswhereyoucanfindwildcarnivorousplants．Stillformanypeople,thethoughtofaplanteatingananimalseemsverystrange．Infact,morethanonepersonhasturnedtheideaintoascarystoryormovie．Carnivorousplantsdon'tposeanydangertohumans,though．Unlessyou'rethesizeofatinyinsect,youdon'thavetoworryaboutfallingpreytoaVenusflytrap．8．WhatcanwelearnabouttheVenusflytrap?A．Itcatchesinsectswithitsunique“jaws”．B．Itisakindofpoisonousplant．C．Itproducesaspecialsmelltoattractinsects．D．Itisthemostimportantcarnivorousplant．9．Whydocarnivorousplantshuntanimalsforfood?A．Theyneedsomenutrientstosurvive．B．Theyenjoythetasteofanimals．C．Theytrytoreducetheharmfulinsects．D．Theyhelpkeepthebalanceofnature．10．What'sthechallengefacedbycarnivorousplants?A．Threatsfrombiggeranimals．B．Limitedchoicesoffood．C．Lessconcernfromhumanbeings．D．Poorerenvironmentstolivein．11．Whatcanbethebesttitleforthepassage?A．PlantsthatEatLivingThingsB．VariousSurvivalSkillsofPlantsC．Plants'WaysofCatchingInsectsD．PotentialDangersintheJungleDAnewstudyshowsthatapositiveattitudeaboutageingcanhelprecovermildmemoryloss．Peoplewithmildcognitiveimpairment(MCI)are30percentmorelikelytomakesymptoms(症状)disappeariftheythinkpositivelyaboutageing,accordingtoastudycarriedoutbytheYaleSchoolofPublicHealth．Thestudywasconductedovertwelveyearsandinvolved1，716participantsaged65andabove．MCIisusuallyconsideredaone-wayprocess,butaccordingtoProfessorBeccaLevy,leadauthorofthestudy,that'snotthecaseatall,“MostpeopleassumethereisnorecoveryfromMCI,butinfacthalfofthosewhohaveitdorecover．”Mildcognitiveimpairmentisaconditionwhichcausesmemorylossanddifficultyinthinkingclearly．Symptomsmightincludeforgettingevents,oroftenlosingthings．OthermorephysicalsymptomssuchasalossofsmellorspatialperceptionhavealsobeenconnectedwithMCI．Itismostlyfoundinpeopleover60，andoftenleadstoAlzheimer'sorotherformsofdementia．Thestudywasconductedoveratwelve-yearperiodbetween2008—2020,withsevendatacollectionwavesperformedeverytwoyears．ResultsshowedthatthosewhocametothestudywithMCIwere30percentmorelikelytomakeafullrecoveryiftheywereupbeat_aboutageing．Theywerealsolikelytorecovertwoyearsfasterthanthosewithmorenegativeagebeliefs(suchas“TheolderIget,themoreuselessIfeel”)．ThosewhocametothestudywithoutMCIwerealsofarlesslikelytodevelopitiftheyfeltmoreage-positive,nomatterofwhattheirphysicalhealthorageis．Factors(因素)suchasage,raceandgenderhavepreviouslybeenexaminedforconnectionswithrecovery,butthisisthefirststudytolookatculturalfactors—inthiscase,beliefsaboutageing．Whilethestudydefinitelyprovidedpositiveresults,it'sstillnotknownexactlywhy．“Alimitationisthatwedidnotexaminethemechanismofpositiveagebeliefsincognitive(认知)recovery”，saysLevy．Givenhowwellthisresearchhasgone,hopefullyfuturestudieswillshowthe“why”，aswellaslookingatotherculturalfactors．12．Whatisparagraph3mainlyabout?A．TheintroductionofMCI．B．ThecausesofMCI．C．ThetreatmentofMCI．D．TherecoveryofMCI．13．Whatdoestheunderlinedword“upbeat”inparagraph5mean?A．Careful． B．Serious．C．Worried． D．Positive．14．Whatisthemostspecialaboutthisnewstudy?A．Thethoughtofculturalaspects．B．Thelengthofstudytime．C．Thewayofcollectingdata．D．Theageofparticipants．15．Whatisprobablyitsfuturestudydirection?A．ThereasonwhyphysicalsymptomsofMCIwillappear．B．ThewaythatpositiveagebeliefsaffectrecoveryofMCI．C．Thereasonwhypositiveagebeliefsproducegoodresults．D．ThefactorsthatcontributetocognitiverecoveryofMCI．第二节阅读下面短文，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。Lifecanbebusyorstressfulattimes．Usually,weforgethowimportantitistolistenourselves．16．SparingroomforgoodthingsinyourlifeLifegetsmuchsimplerandmoreenjoyablewhenyouclearyourphysicalandemotionalbadthings．Andthere'ssomuchyoucanletgoofinlifewithoutlosingathing．It'scalledgrowth．17．Youcannotdiscovernewoceansunlessyoubuildupenoughcouragetolosesightoftheold．Puttingyourpurposeandpassion(热情)intothethingsyoudo18．Solearntobelieveinyourheartthatyou'remeanttoliveeachdayfullofpurposeandpassion—thateverymomentisworthyinitsownway．Toooftenwewaitbecausewethinkweneedto“find”somethingnewordifferenttobefondof．Butthat'snottrue．Ifyouwantmorepassioninyourliferightnow,actaccordinglyrightnow．Putyourwholeheartintothethingsyoudo．19，butthechancerightinfrontofyou．Notintotomorrow'stasks,buttoday'stasks．Notintotomorrow'srun,buttoday'srun．20Allthesmallthingsmakeabigdifference．Everystepisimportant．Lifeisn'taboutasinglemomentofgreatsuccess．It'saboutthetrialsanderrors(试错)thatslowlygetyouthere—thesweat,tears,andallthesmallthingsyoudoonaday-to-daybasis．Theyallmatterintheend—everystep,everyregretandeverydecision．A．ChoosingtostarttodayB．Notintotomorrow'schancesC．RememberingthateverystepmattersD．LettinggooftheoldmakeswayforthenewE．SowhatyouneedtoremembermostrightnowistoshareF．PurposeisthereasonyoujourneyandpassionisthefirethatlightsyourwayG．Herebelowaresomethingsinlifethatyouhavetokeepondoingtochangethat第二部分语言运用第一节阅读下面短文，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。TheMid-AutumnDayisahappytimeforafamilyreunion(团聚)．Butitwasadifferent21aftermyparentsandIcametoAmerica．IrememberthefirstMid-AutumnDaywespenthere．Onthatmorning,Ismiledseeingmooncakesonthetable．ButthenI22Ihadclassesat1：50p．m．andfelt23．Yousee,there'sa24inChinaforthisspecialdaybutnotinAmerica．Noticingmyupset,Momtriedtocomfortme,“Wehaveduckatlunch,yourfavorite．25？”Theduckcheeredmeup．Wehadadeliciouslunch,butbeforewe26itwastimeforclass．Ihadtoputdownmy27andsatbeforemycomputer．Icouldn'thelp28thatmyMid-AutumnDaywaslikethis—havingonlineclasseswithlunchhalf-eaten．Iwouldnever29thisinthepast．AttheMid-AutumnGala(联欢会),thescene(场景)ofafamilyhavingdinnertogethermademe30．Ireallymissedmygrandparents．Althoughwehad31themintheday,itwasdifferentfromareunion．Howregretfulwecouldn't32！Atmidnight,Igotlostinthought．ThedayissoimportantthatIfeltupsetwithoutagood33．Butonsecondthoughts,althoughtheholiday34，themoonwasstillfull．35，althoughindifferentcountries,allheartsofmyfamilywereconnected．Realizingthismademefilledwithwarmth．21．A．story B．timeC．show D．symbol22．A．decided B．expectedC．realized D．replied23．A．awful B．doubtfulC．surprised D．tired24．A．meal B．partyC．class D．holiday25．A．Moved B．ExcitedC．Relaxed D．Confused26．A．started B．cookedC．finished D．tidied27．A．papers B．chopsticksC．presents D．books28．A．forgetting B．confirmingC．explaining D．thinking29．A．stress B．acceptC．remind D．inspire30．A．cry B．chatC．recover D．understand31．A．visited B．metC．called D．welcomed32．A．showup B．holdonC．lookback D．goback33．A．celebration B．traditionC．connection D．account34．A．continued B．disappearedC．changed D．returned35．A．Hopefully B．GenerallyC．Naturally D．Similarly第二节阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。NowIhavebecomeaseniorhighschoolstudentandthismeansIhaveanopportunitytobecomeadifferentperson,amuchbetterone!I'vedecidedtosetnew36．________(goal)formyself!IthinkIwillneedtoplaymoresports．Iplantoruneverydayinordertohavea37．________(power)body．Ievenlookforwardto38．________(run)anexcitinghalfmarathon．OnethingIreallywanttochangeisthetimeIspendontheonlineworldandit'stimetogetoutofitandmakea39．________(different)intherealworld．Infact,upuntilthisyearImighthavebeendescribedas40．________Internetaddict!Ispenthourssurfingthewebandchattingonlinerather41．________inperson．Afewweeksago,whenIwassurfingtheInternetI42．________(attract)byawebsiteofacharity(慈善)organization．Itsupportschildrenwhoneedhelpandtheyhavevolunteers43．________wouldliketospendtimewiththechildren．I'mreallyinspiredbytheirenergyandexcitementandIknowthatIprefer44．________(do)somevoluntaryworkinthefuture．I'llwritetothemsoonandhopefullyIcanjointhem．45．________(Actual),inthefuture,maybeIcanstartmyowncharity．第三部分写作第一节假定你是李华，你校下周末将举办以“体育与健康(SportsandHealth)”为主题的校园体育节。请你用英语为本次活动写一篇宣传稿，内容包括：1．活动目的和主题；2．活动内容；3．参加方式。注意：词数80左右。ASportsFestivalYouWon'tWanttoMiss________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________第二节阅读下面材料，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。Whencomingtothiscityforhighschool,Imovedintothenewhousewithmyparents．Wewereverygratefultotheownerforrentingusthishouseatacheapprice．Thehousewasreallycomfortabletolivein．Itwaswarminsideandfulloflifeoutside．Atreeinthefrontyardattractedmyattention,andallIcouldconfirmwasthatitwasafruittree．Myfatherthoughtitwasafig(无花果)tree,andsureenough,asthemonthswentby,thetreegrewhugeleavesandfinallyborethefruit—figs,thesizeofmyfist．Howwonderfultheywere!Itookmanypicturesofthefigtree．Andthenwewonderedhowtodealwiththefigs．Mymotherthoughtforawhileandsaid,“Whynottrymakingfigjam？”Irespondedquickly,“That'sagoodidea！”Jack,oneofourneighbors,justvisitedusandaskedifhecouldpicksomefigsfromourtree．Certainly,weencouragedhimtotakeasmanyasheliked．Infact,Jackwasextremelypoliteandfriendlytous．Heintroducedhimselfatthefirstsightofus．Healwayswavedtomeashecamehomeorasheleftforwork．WhenIpickedthefigswithhim,hetoldmeabouthowhehadbeenlivinginthehousenextdoorforclosetotwentyyears．Hesaid,“Bruce,theownerofthehouseyouliveinnow,usedtobemybestfriend．Andwehadplantedthisveryfigtreeafewyearsbeforehewenttothenursinghome．”Iwasamazedtoknowthatweactuallyenjoyedthefruitofhiswork．Hetoldmethathewassoimpressedbythequalityofthefruitthisyear．Ifoundafruitboxforhimtoputthefigsin．Bothofusenjoyedthepleasureofsharing．WhenJacksetoutforhishome,IturnedtomyparentsandadviseddoingsomethinginreturnforJackandBruce'skindnessandfriendliness．注意：1．续写词数应为150左右；2．请按如下格式作答。Finally,wedecidedtoinviteJackandhisfamilytodinnerthatnight．_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Thenextday,ourfamilyandJackvisitedBruceinthenursinghome．_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________单元综合检测(二)123456789101112DAAADBDAADAA131415161718192021222324DACGDFBCACAD2526272829303132333435BCBDBACDACD36．goals37．powerful38．running39．difference40．an41．than42．wasattracted43．who/that44．todo45．Actually第三部分第一节[参考范文]ASportsFestivalYouWon'tWanttoMissInordertoenrichourschoollifeandbuildupourstrength,asportsfestivalwiththethemeof“SportsandHealth”willbeheldinourschoolstadiumnextweekend．Basedonsuchameaningfultheme,thefestivalwillconsistofvariousactivities,rangingfromgroupcompetitionssuchasthetugofwartothesolooneslikeahalfmarathonrace．Inaddition,healthprofessionalswillprovidelectureswhicharerelatedtohowtododailyexerciseproperly．Ifinterested,youshouldsubmityourapplicationformtotheStudents'UnionOfficebeforethisSunday．Ibelieveeveryparticipantwillachievesomethingamazing．第二节[参考范文]Finally,wedecidedtoinviteJackandhisfamilytodinnerthatnight．Icalledhimandtalkedaboutit,andheacceptedtheinvitationwithpleasure．Afterschool,Iwenttothesupermarkettohelpmyparentsbuylotsoffoodmaterials．AndIspeciallyboughtatoyforJack'slittlebaby．Mymotherpreparedabottleoffigjamfordinner．Wecookedabigmealtogetherathome．Jack'sfamilyarrivedontime．Wesharedthedeliciousfoodhappily．Afterdinner,wetalkedaboutBruce．Weallthoughtitwashimwhoplantedthisfigtreethatbroughtustogether．Soweweredeterminedtothankhim．Thenextday,ourfamilyandJackvisitedBruceinthenursinghome．WhenBrucesawus,hejumpedwithjoylikeachild．Mymotherremindedmeandsaid,“Dear,giveBruceasurprise．”Ipulledoutmyphoneandshowedhimthepicturesofthefigtree．Ialsohandedabasketofsweetfigstohim．Hewasparticularlypleasedtoseethefigtree．Hethankedmefortakinggoodcareofit．IsworethatIwouldalwaystreasureit．Andallofuspromisedtoseehimmoreoften．Wehadsuchacloserelationshipwithhim,likeafamily．【语篇解读】本文是一篇应用文。文章主要介绍了纽约电影学院为青少年举办的为期4周的电影剧本创作夏令营。1．D[细节理解题。根据第一段“AtNewYorkFilmAcademy's4weekscreenwritingcampforteens,studentslearnhowtowritetheirownscreenplays．”可知，学生在为期4周的夏令营中会获得一些创作电影剧本的经验。故选D。]2．A[细节理解题。根据ScreenwritingSummerCampClasses部分下第四段“FilmCraft:Inthiscoursestudentslearnabouttheelementsofthefeaturefilm．”可知，电影工艺这门课程可以让学生了解故事片。故选A。]3．A[细节理解题。根据最后一段中“Ifyouneedassistance,pleasecontactusimmediatelyatsummerprograms@nyfa．eduorcallusat2126744300(NYC),8183333558(LA),or3055346009(SouthBeach)sowecanassistyou．”可知，如果你想了解更多关于纽约夏令营的信息，你应该打2126744300这个电话。故选A。]【语篇解读】本文是一篇新闻报道。文章报道了美国内布拉斯加州接连发生的六次小地震。4．A[细节理解题。根据第一段中的“Thefirst,a3．3magnitudequake,happenedearlythatmorning,followedbythreeonthefollowingday,anotheronSunday,andthenthemostrecentearthquakeonMonday．”可知，一共爆发了六次小地震。]5．D[推理判断题。根据第一段中的“Therehaven'tbeenanyreportsofhumaninjuryordamageofbuildingscausedbythequakes,accordingtoKWBE”可知，这些小地震都不危险。]6．B[代词指代题。根据画线词后面的“addingthatpeoplearoundtownarerunningaroundandtalkingaboutthefrequentquakes”可知，It指的是频繁发生地震的现象。这种现象在贝基·戴利看来是很奇怪的。]7．D[写作意图题。根据第二段中的“Actuallysmallquakeslikethesearenotunusual．”可知，后面提到那些小地震都是为了证明小地震并不罕见。]【语篇解读】本文是一篇说明文。文章主要介绍了食肉植物的捕猎方式和产生的原因，以及人类活动对食肉植物的影响。8．A[细节理解题。根据第二段中“OnecarnivorousplantmanypeoplearefamiliarwithistheVenusflytrap．Itsunique‘jaws’willfunctionwhenfliesandothersmallinsectstouchit．Onceitsjawscloseonitsvictim,itproducesachemicalsubstancethatbreaksdowntheinsectandabsorbstheinsect'snutrients．”可知，捕蝇草用独特的“下颚”捕捉昆虫。故选A项。]9．A[细节理解题。根据第三段中“Carnivorousplantstendtogrowinareaswherethesoilisverythinandlacksnecessarynutrients．Theseplantsmustfindothersourcesforthenutrientstheyneed．”可知，食肉植物捕食动物是因为这些植物必须找到其他来源来获取生存所需的营养。故选A项。]10．D[推理判断题。根据第四段的内容“Trappingandeatinginsectsallowstheseuniqueplantstosurvive．Unfortunately,humanandenvironmentalfactorscontinuetothreatenthelimitedenvironmentswhereyoucanfindwildcarnivorousplants．”可推知，因为人类和环境因素导致，食肉植物面临更贫穷的生活环境。故选D项。]11．A[标题归纳题。根据第一段中“Butactuallytherearealsosomeplantsthateatinsectsandevensmallanimalsfromtimetotime．Wecalltheseunusualthingscarnivorousplants．Althoughmostcarnivorousplantseatsmallinsects,largecarnivorousplantsinsomehotandwetareashavebeenknowntocapturerats，birds，andfrogs．”以及最后一段“Carnivorousplantsdon'tposeanydangertohumans,though．Unlessyou'rethesizeofatinyinsect,youdon'thavetoworryaboutfallingpreytoaVenusflytrap．”可知，本文主要讲述食肉植物有关事项，A项适合作文章标题。故选A项。]【语篇解读】本文是一篇说明文。文章主要讲述了一项新的研究表明对衰老的积极态度可以帮助恢复轻度记忆丧失。12．A[段落大意题。根据第三段“Mildcognitiveimpairmentisaconditionwhichcausesmemorylossanddifficultyinthinkingclearly．Symptomsmightincludeforgettingevents,oroftenlosingthings．OthermorephysicalsymptomssuchasalossofsmellorspatialperceptionhavealsobeenconnectedwithMCI．”可知，本段主要介绍了什么是轻度认知障碍(MCI)以及它的症状。故选A。]13．D[词义猜测题。根据第五段中的“Theywerealsolikelytorecovertwoyearsfasterthanthosewithmorenegativeagebeliefs(suchas‘TheolderIget,themoreuselessIfeel’)．”可知，年龄观念更消极的人康复速度慢，也就是说，对衰老持乐观态度的人完全康复的可能性会高出30%。所以画线单词的意思为“积极的，乐观的”。故选D。]14．A[细节理解题。根据倒数第三段“Factorssuchasage,raceandgenderhavepreviouslybeenexaminedforconnectionswithrecovery,butthisisthefirststudytolookatculturalfactors—inthiscase,beli