基于高考外刊源文设计单元主题作业 -B2Unit2 Wildlife Protection（学生版）

基于高考外刊源文设计单元主题作业——B2Unit2WildlifeProtection阅读下列短文，从每题所给的A、B、C和D四个选项中，选出最佳答案。AWemaythinkthatgiftgivingisapurelyhumantrait,butitturnsoutmanyotheranimalsalsogivepresentstotheirmatesandfriends.Giftgivingduringmatinghasbeenobservedinspeciesasdifferentassnails,earthwormsandsquid.Birdsalsoenjoythispractice—malegreatgreyshrikes,forexample,sticksmalldeadanimalsonthornsandtwigstoattractfemales.However,thebehaviorismostcommonamonginsectsandspiders.Nurserywebspiders,forinstance,offerpossiblematespreywrappedinsilk,addingspecialchemicalstomakeitmoreappealing.Someinsectsevenmakethefinalsacrificeforthefemalestheywishtowinover.Themaleredbackspiderdoesabackflipintothefemale’smouthwhilemating,lettingherbitetheendofhisbodyuntilheisfinallyeaten.Alltheseareexamplesofmatinggifts,givenbymalestofemalestopersuadethemtomate.Still,animalshavealsobeenknowntogivegiftsjusttomakethereceiverhappy.Forexample,dolphinshavebeenseenofferingfoodtohumans.Therearealsostoriesofcrowsbringinggiftstopeoplewhooncehelpedthem.Selflessgiftgivingisalsocommoninbonobos,atypeofapethatsharesnearly99%ofitsDNAwithhumans.So,thisleadstoaquestion—whydoanimalsgiveeachothergifts?Sincethebehaviorhasdevelopedindependentlyinmanyspecies,itprobablyhelpsbothmalesandfemalesreproducemoresuccessfully.Butifthatdoesn’tsoundveryromantic,beencouragedbythis:animalslikecrowsandbonobosalsoseemtofindjoyinthesimpleactofgiving.1.Whatisthemainideaofthepassage?A.Humangift-givingisthemostadvancedintheanimalkingdom.B.Gift-givingisabehaviorsharedbyhumansandmanyotheranimals.C.Insectsandspidersaretheonlyanimalsthatgivegiftstotheirmates.D.Animalsgivegiftsonlyforthepurposeofreproduction.2.Accordingtothepassage,whydomaleanimalsoftengive"matinggifts"tofemales?A.Toshowtheirabilitytofindfood.B.Topersuadethefemalestomatewiththem.C.Tobuildalong-termfriendship.D.Toprotectthemselvesfrombeingeaten.3.Whichofthefollowingisanexampleof"selfless"gift-givingmentionedinthetext?A.Amaleshrikestickingpreyonthorns.B.Anurserywebspiderwrappingpreyinsilk.C.Acrowbringingagifttoapersonwhohelpedit.D.Amaleredbackspidersacrificingitselfduringmating.4.Whatcanbeinferredfromthepassageaboutgift-givinginanimals?A.Itisabehaviorthathasevolvedonlyonceintheanimalkingdom.B.Itissolelydrivenbythedesireforpleasure.C.Itmayservedifferentpurposesindifferentsituations.D.Itisasignofhighintelligenceonlyseeninapesanddolphins.BAroundtheworld,expandingfarmlandisincreasinglyoverlappingwithelephanthabitats,oftenleadingtodangeroussituationsaselephantseatanddamagepeople'scrops.ButinKenya,afterdecadesofresearch,expertshavedevelopedasimpleyetcleversolutiontokeepelephantsaway:fencesmadewithbeehives.Sowhydoelephantsdislikebeessomuch?Andcanbeesreallyhelpmaintainpeaceinourincreasinglycrowdedworld?Itallbeganintheearly2000s,whenFritzVollrath,anecologistattheUniversityofOxfordandchairmanofthecharitySavetheElephants,andIainDouglas-Hamilton,founderofSavetheElephants,heardalocalstoryfromKenyanfarmers.Theysaidthattreesinsomeareaswerenotharmedbyelephantsbecausethosetreescontainedbeehives.By2007,theirresearchconfirmedthatelephantsnotonlyavoidtreeswithbeehivesofwildAfricanhoneybees,butalsocommunicatewitheachothertowarnotherstostayaway.LucyKing,coexistencedirectorattheorganization,explains,"Weknowthattheycangetstung,andweknowthattheyneverforget."Besidesprotectingcropsfromelephantsandensuringfoodsupply,thebeehivefencesbringotherbenefitstothelocalcommunities.Forexample,theyprovidefarmerswithextraincomethroughhoneyproduction.Mwamba,wholivesinoneofthevillageswherethebeehivefencesweretestedandnowworksasaprojectofficerforSavetheElephants,says,"Ifafarmerhashoneyandhascrops,that'sactuallyenoughtosupportthefamily."Beforethebeehivefenceswereintroduced,"elephantshadinvadedanddamagedmostofthefarmshere,"Mwambarecalls."Now,peoplecanlivewithoutconstantfear."1.Whatisthemainproblemmentionedinthefirstparagraph?A.Elephantsarelosingtheirhabitatstofarmland.B.Farmersarekillingtoomanyelephants.C.Expandingfarmlandiscreatingconflictswithelephants.D.BeepopulationsaredeclininginKenya.2.Howdidresearchersgettheideaofusingbeehivefences?A.Fromwatchingelephantbehaviorinzoos.B.Fromastorytoldbylocalfarmers.C.Fromstudyingbeebehaviorinlaboratories.D.Fromreadingancientscientificreports.3.AccordingtoLucyKing,whatdoweknowaboutelephants?A.Theyarenotafraidofbeestings.B.Theyquicklyforgetpainfulexperiences.C.Theywarneachotheraboutbees.D.Theycannotbestungbybees.4.Besidesprotectingcrops,whatotherbenefitdobeehivefencesprovide?A.Theyattracttouriststothearea.B.Theyprovideadditionalincomefromhoney.C.Theyhelpbeesproducemorehoney.D.Theymakeelephantsproducemorehoney.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。Afloodoccurswhenwatercoverslandthat'snormallydry.Mostfloodstakehoursorevendays1.______(develop),givingresidentstimetoprepareorleave.However,flashfloodscanbeextremelydangerous,2.______(sudden)turningasmallstreamintofast-movingwater.Flashfloodscanlastfromafewminutes3.______sixhours.Heavyrainfall,slopedland,androckysoilscanmakeflashfloodsmore4.______(like).Citiesaremorelikely5.______(experience)flashfloodingbecausetheyhavefewerpondstocollectextrarainwater.Roadsandsidewalksareoftenhardandnon-absorbent,6.______meanstheycan'ttakeinwater.Damfailurescanalsolead7.______flashfloods.Totrytoreducetherisk,manygovernmentsrequire8.______residentsofflood-proneareasbuyfloodinsurance.Duringextremefloodevents,yourgovernmentmayissuewarnings.Checkyourlocalweatherreportsandfollowyour9.______(government)updates,especiallyasstormsbecome10.______(severe)andhardertopredict.读后续写（满分25分）阅读下面短文，根据所给情节进行续写，使之构成一个完整的故事。Thestraydogappearedonthecoldestnightoftheyear.LiYan,ahighschoolseniorbusywithcollegeapplications,almosttrippedoverhimwhiletakingoutthetrash.Theanimalwascurledagainstthedumpster,hisdirtyfurcoveredwithsnow.Oneofhisbacklegsshook—anoldinjury,sheguessed—andhisribsshowedclearlyunderhisskin.Somethingabouthisquietcry,moresadthanfearful,madeherstop.Overthenextweek,LiYanbroughtleftoverstothealley:steamedbunsfromdinner,sausagesfrombreakfast.ShenamedhimPingAn("safety"),sayingitsoftlyasheate,asifthewordcouldprotecthimfromtheworld.Herparents,busywiththeirdivorcepapers,hardlynoticedherbeinggone.Thencamethestorm.Freezingraincoveredthestreets,andLiYanwoketothesoundofdesperatescratchingatherdoor.PingAnstoodthere,hispawbleedingontothewelcomemat.Apieceofglassshonebetweenhistoes.Worried,shewrappedhiminherquiltandrandownstairs—onlytostopoutsidethelockedneighborhoodclinic."You'reluckyIwasworkinglate,"avoicecalled.Dr.Chen,theoldervetwho'dcaredforLiYan'schildhoodrabbit,stoodunderanumbrella,keys