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2023年中考英语时事热点阅读专练热点59认识生物多样性及保护一、阅读单选1Allplantsandanimalsareconnectedanddependupononeanother.Theseconnectionscreateawebofdifferenttypesoflifethatareabletoprotectthemselvesfromdamage（损而；）.However,populationgrowthandclimate（气彳侯）changeareleadingtolessbiodiversity（生态多样性）andputtinghumansindanger.Sowhatcanwedotohelpprotectbiodiversityandourenvironment?*Beaninformedconsumer（有见识的用户）Avoidbuyingfromcompaniesthatdodamage（破坏）totheenvironment.Remember,companieswillsellwhatpeoplewanttobuy,sotellcompaniesthatyouwantproductsthatdonothurtourplanet.FollowtheThreeRsThelessgarbage（垃圾）youthrowaway,thelesslikelyitisthatnaturalhabitats（栖息地）willbeusedforlandfills（垃圾填埋）.TrytofollowtheThreeRs”toproduceaslittlewasteaspossible.Reduce（减少）：Dontbuyproductsyoudontneed.Whenyoudobuythings,trytomakechoicesthatleadtoasmalleramount（量）ofgarbage.Forexample,buythingswithalittlebitofpackaging（包装）ornoneatall.Reuse:Throwfewergoods（货物）awaybyusingthingsmorethanonce.Oneeasyexampleistakingareusablebagtothegrocery（杂货）store.Recycle:Whenyoudohavetothrowsomethingaway,recycleitsoitcanbemadeintosomethingusefulagain.*Fossilfuels（化石燃料）arebadfortheenvironment.Theclimatechangetheycausealsoleadstohabitatloss（丧失）forendangeredanimals.Soreducingcarbonemissions（碳排放）isoneeffective（有效的）waytoprotectbiodiversity.Youcouldstartbyusinglessenergy:Walkorrideyourbikeinsteadofdriving,andthinkaboutgreenenergylikesolarpower（太阳能）.1.Accordingtothepassage,whichofthesearecausingproblemsfortheenvironment?A. Creatingmoreproducts.B. Turninglandintonaturalhabitats.floors.Everyonewantstotravelaroundtheworld,butmanypeopledontrealizetheharmtheybringtotheenvironment.EvenAntarctica,thelastundevelopedplaceonourplanet,isnotconsideredasasafeplace.Scientistssaythateventhefewtouristswhogothere-just13,500inthelast10years-aredamagingitsnaturalbeauty.Unfortunately,thehugegrowthintourismmeansthatthisnumbercouldhavedoubledby2016.Tourismrosebymorethan100percentintheworldsbiodiversityhotspots（生物多样性热点区）duringthe1990s,accordingtoastudybytheUnitedNationEnvironmentProgramme.Thebiodiversityhotspotsarethe25rarestandmostendangeredareasofplantandanimallife,covering1.4percentoftheearth.TheyincludeSouthAmericasAndesMountains,alargepartofsouthernAustralia,andthemountainsofsouthwestChina.ThegrowthofTourisminsuchareasisduetoariseingreentourismandadventuretravel,whichencouragepeopletovisittheworldsuntouchedplaces.Tourismitselfbenefitsthesocietybycreatingjobsandotherchancesforpoorfarmers.Butitisimportanttofindabalancethatbringsocialbenefitswhileprotectingenvironmentandculturalresources.Manypeoplew川choosetotravelduringthelongNationalDayholiday.Doyouwanttodosomethingtohelpprotectourenvironmentaswellashaveagoodtime?Thentrytoavoidplaceswithbigcrowdsandfollowtherulesonprotectingtheenvironment.31. WhatisthepurposeofParagraph1?A. Toshowthatthewriterisreallyproudofhisowncountry.B. ToprovethatmanytouristsliketravelinginGansuandTibet.C. ToshowthatChinaisacountrywithlotsofplacesofinterest.D. Totellmosttouristshaventrealizedtheharmtotheenvironment.32. WhichplaceisNOTinthebiodiversityhotspots?A. RockyMountainsinNorthAmerica.B. AlargepartofsouthernAustralia.C. ThemountainsofsouthwestChinaAndesMountainsinSouthAmerica33. Whatwillthewriterdoaboutthetourismaccordingtothepassage?A. Controlthenumberofthetourists.B. Makemoremoneybyattractingtourists.C. Askmorepeopletovisittheuntouchedplaces.D. Notourismisallowedinordertoprotectenvironment.34. What*sthemanyideaofthepassage?A. Moreandmorepeopleliketravelingthesedays.B. Peopleshoulddothetravelinginagreenway.C. Thebiodiversityhotspotsattractlotsoftourists.D. Tourismisgoodforthepoorfarmersanddevelopment.二、完型填空Savingthefirevictimswhocannotrunaway:AustraliaskoalasThevictimswerecarriedinonebyone,theirpawsburnedandfursinged（烧焦），sufferingfromfear.Doctorsdealtwiththeirwoundsandlaidtheminbasketswiththeonlythingthattheyliveon-the35ofaeucalyptustree（按树）.Asterriblefireshaveburnedmorethan2millionacresinAustralia,dozensofkoalashavebeensavedfromburningtreesandashenground.“Theyare36了saidCheyneFlanagan,thedirectoroftheKoalaHospitalinPortMacquarie.About50milessouthofthehospital,inTaree,onefamilyhasturnedtheirhomeintoakoalarehabilitationcenter（康复中心）.There,eachof24koalasis37anameonitsbasket.Forthem,itisaslowroadtorecoveryinthecoupleslivingroom.Koalas,38kangaroos,birdsorsnakes,donotrunawayfromfiresbutinsteadclimbuptreestothecanopy（树荫），wheretheycancurlthemselvesintoaballfor39andwaitforthedangertopass.Asaresult,duringfires,suchasthosethathaveburnedinrecentweeks,koalasarefar40likelytosurvive.Evenifthefireitselfdoesnotreachthetreecanopy,koalasmayoverheatandfalltotheground,wheretheycanbeburnedtodeath.Thedifficultsituationofthekoala-anationalsymbolofAustralia-hasraisedquestionsamongconservationistsandscientistsaboutwhatitwilltaketopreservebiodiversity（生物多木羊性）inacountry.41koalashaveevolved（进化）togetthroughwildfires,theyarefacingnewdangersnotjustfromclimatechangebutalsofromhumandevelopment.ctWehavetheseuniqueanimalsnotfound42elseonthisplanet,andwerekillingthem,Flanagansaid.Thisisabigwake-upcall.Thoughthefiresarestillburning,arescueteamledbythehospitalbegantosearchtheperiphery（边缘地带）lastweek,theirnecksstrainedtowardthetreecanopy,43forsurvivors.Thisfireisstillburning/9saidScottCastle,theassistantdirectoratthehospital,whotookpartinthe44.“So,”headded,theresalotmoretosearch.35.A.rootsB.leavesC.branchesD.flowers36.A.excitedB.scaredC.amazedD.interested37.A.givenB.calledC.requiredD.reported38.A.likeB.unlikeC.asD.with39.A.protectionB.attentionC.positionD.invention40.A.muchB.moreC.littleD.less41.A.UntilB.AlthoughC.IfD.As42.A.somewhereB.anywhereC.nowhereD.everywhere43.A.findingB.researchingC.searchingD.discovering44.A.actionB.industryC.methodD.scene2023年中考英语时事热点阅读专练热点59认识生物多样性及保护一、阅读单选1Allplantsandanimalsareconnectedanddependupononeanother.Theseconnectionscreateawebofdifferenttypesoflifethatareabletoprotectthemselvesfromdamage（损而；）.However,populationgrowthandclimate（气彳侯）changeareleadingtolessbiodiversity（生态多样，性）andputtinghumansindanger.Sowhatcanwedotohelpprotectbiodiversityandourenvironment?*Beaninformedconsumer（有见识的用户）Avoidbuyingfromcompaniesthatdodamage（破坏）totheenvironment.Remember,companieswillsellwhatpeoplewanttobuy,sotellcompaniesthatyouwantproductsthatdonothurtourplanet.FollowtheThreeRsThelessgarbage（垃圾）youthrowaway,thelesslikelyitisthatnaturalhabitats（栖息地）willbeusedforlandfills（垃圾填埋）.TrytofollowtheThreeRs”toproduceaslittlewasteaspossible.Reduce（减少）：Dontbuyproductsyoudontneed.Whenyoudobuythings,trytomakechoicesthatleadtoasmalleramount（量）ofgarbage.Forexample,buythingswithalittlebitofpackaging（包装）ornoneatall.Reuse:Throwfewergoods（货物）awaybyusingthingsmorethanonce.Oneeasyexampleistakingareusablebagtothegrocery（杂货）store.Recycle:Whenyoudohavetothrowsomethingaway,recycleitsoitcanbemadeintosomethingusefulagain.*Fossilfuels（化石燃料）arebadfortheenvironment.Theclimatechangetheycausealsoleadstohabitatloss（丧失）forendangeredanimals.Soreducingcarbonemissions（碳排放）isoneeffective（有效的）waytoprotectbiodiversity.Youcouldstartbyusinglessenergy:Walkorrideyourbikeinsteadofdriving,andthinkaboutgreenenergylikesolarpower（太阳能）.1. Accordingtothepassage,whichofthesearecausingproblemsfortheenvironment?A. Creatingmoreproducts.B. Turninglandintonaturalhabitats.C. Populationgrowthandclimatechange.D. Theformingofawebofdifferentlivingthings.2. Whichofthefollowingshouldweavoiddoingaccordingtothe“ThreeRs”？A. Buyingproductsyouneed.B. Buyingover-packagedproducts.C. Recyclingwhatyoudontneed.D. Usingbagsthatyoucanusemorethanonce.3. Whichofthefollowingshouldgointheblank?A. Protectendangeredanimals.B. Lookforbetterfossilfuels.C. Stopclimatechange.D. Reduceyourcarbonemissions.4. Youmayreadthepassagein.A. anovelB.atraveldiaryaguidebookD.asciencemagazine5. Whatisthepurposeofthispassage?A. Toshowusthingswecandotoprotecttheenvironment.B. Toremindusaboutenvironmentalproblems.C. Toteachushowtoachievebiodiversity.D. Toshowtheimportanceofdevelopinggreenenergy.【答案】CBDDA【解析】本文是一篇说明文，向我们介绍如何用自己的行动保护环境。1. 2田节理解题。根据However,populationgrowthandclimatechangeareleadingtolessbiodiversityandputtinghumansindanger?9可知，人口增长和气候变化正在导致生物多样性减少，并将人类置于危险之中。故选C。2. 细节理解题。根据Forexample,buythingswithalittlebitofpackagingornoneatall.可知，购买少量包装或者根本没有包装的东西。故选B。3. 推理判断题。根据Youcouldstartbyusinglessenergy:Walkorrideyourbikeinsteadofdriving,andthinkaboutgreenenergylikesolarpower.”可知，你可以从使用更少的能源开始：走路或骑自行车而不是开车，考虑像太阳能这样的绿色能源。所以我们要减少自身的碳排放，故选D。4. 推理判断题。本文向我们介绍如何用自己的行动保护环境，所以推测可能在科学杂志上看到，故选D。5. 主旨大意题。本文向我们介绍如何用自己的行动保护环境，选项A“向我们展示我们可以做些什么来保护环境”符合主题，故选A。2Wetlands一lakes,rivers,marshesandcoasts,canmaintainbiodiversity（保护生物多样j*生），controlfloodsandremovepollutants.Theyarealsohelpfultoriceandfishproduction,transportationandsoon.Theyareimportantandnecessaryfeedingandbreedinggroundsformigratorybirds.Theyarethemostthreatenedecosystem（受至U威胁的生态系统）.WorldWetlandsDaycamefromtheConventiononWetlands（湿地公约）signedinIran,ChinajoinedtheconventiononJuly31,1992.Bytheendof2019,ourcountryhad57wetlandnaturereserveslistedasmajorwetlandsforprotectionundertheconvention,coveringatotalofnearly7millionhectares.,asChinahaswetlandswith65.9millionhectares,10percentoftheworldswetlandareas,whichcomesfourthintheworld.ChinaalsohassomeofAsiasmostimportantwetlands,suchasPoyangLakeandAsiaslongestriver,YangtzeRiver.However,aWWFresearchshowedChinaswetlandswereseriouslythreatenedbydegradationbecauseofpollution,climatechangeandover-exploitation.Soourgovernmenthasbeentakingactionstoreturnfarmlandtowetlandandremovesomefishfarms.Itwasreportedthe57keyChinesewetlandsincreasedby2,479hectaresfrom2018to2019.LiYan,anofficialfromtheNationalForestryandGrasslandAdministration,saidatanewsconference,TheareaofwetlandsinChinahasbecomelargeroverthepastfiveyears,growingby202,600hectaresandmakingagreatcontributiontowaterqualityandenvironmentalprotection.Between2016and2020,Chinacreated201nationalwetlandparks.Chinahad899nationalwetlandparksbytheendof2020,andnearlyhalfofthecountryswetlandsareprotectedbysomelevelofgovernment.Chinaiscarryingthroughontheconventionforacontinuousdevelopmentandwillmakecontinuingeffortstoperfectthelawsonwetlandprotection.Severalmajorprojectsonwetlandprotectionwillbecarriedoutinsomemajorareas,suchasYangtzeRiverandtheBeijing-Tianjin-Hebeiprovincecluster.6. Whichofthefollowingisthemostsuitablefortheblank（空格）inParagraph2?A. WorldWetlandsDayiswell-knownWetlandsinChinaareseriouslythreatenedB. ChinadoesnthavelargeareasofwetlandsProtectionofwetlandsinChinaisveryimportant7. Theunderlinedword“degradation”inParagraph3probablymeans.A. theprocessofsomethingbeingmadebettertheprocessofsomethingbeingmadeworseB. thesituationinwhichsomebodyhaswonalltherespectthesituationinwhichsomebodyhaslostalltherespect8. ThewriterlistssomenumbersinParagraph4inorderto.A. introducehowlargeChinaswetlandsareexplainhowimportantChinaswetlandsareB. provehowmuchdangerChinaswetlandsarefacingatpresentshowtheachievementsonwetlandprotectionChinahasreached9. Whatsthebesttitlefbrthepassage?A. WetlandsinChinaareFamousChinaMakesLawsonWetlandProtectionB. ChinasWetlandsareinDangerChinaMakesProgressonWetlandProtection【答案】DBDD【解析】本文是一篇说明文，向我们介绍了世界湿地日的有关信息，主要介绍中国在湿地保护方面取得的成绩，告诉人们湿地在人们生活中的作用。6. 推理判断题。分析“Bytheendof2019,ourcountryhad57wetlandnaturereserveslistedasmajorwetlandsfbrprotectionundertheconvention,coveringatotalofnearly7millionhectares.asChinahaswetlandswith65.9millionhectares,10percentoftheworldswetlandareas,whichcomesfourthintheworld.ChinaalsohassomeofAsiasmostimportantwetlands,suchasPoyangLakeandAsiaslongestriver,YangtzeRiver.”可矢口，本段介绍中国加入湿地公约，介绍了中国在湿地保护方面的努力，选项D“保护湿地在中国是非常重要的”符合语境，故选D。7. 词义猜测题。分析“However,aWWFresearchshowedChinaswetlandswereseriouslythreatenedbydegradationbecauseofpollution,climatechangeandover-exploitation.可知，世界自然基金会的一项研究表明，由于污染、气候变化和过度开发，中国的湿地正受到退化的严重威胁。此处degradation的意思是“退化”，故选B。8. 推理判断题。根据TheareaofwetlandsinChinahasbecomelargeroverthepastfiveyears,growingby202,600hectaresandmakingagreatcontributiontowaterqualityandenvironmentalprotection.andnearlyhalfofthecountry5swetlandsareprotectedbysomelevelofgovernment/5可知，本段列出的各种数据是为了说明中国在湿地保护方面取得的成绩，故选D。9. 最佳标题题。本文向我们介绍了世界湿地日的有关信息，主要介绍中国在湿地保护方面取得的成绩，告诉人们湿地在人们生活中的作用。选项D“中国湿地保护取得新进展”符合主题，故选D。3Thereareabout1.5millionkindsoflivingthingsonEarth,buthowmanydoyouseeeveryday?Youoftenseethebigcolourfulanimals,likebirds,rabbits,andfish.Butlookmoreclosely.Canyouseethesmallones,too?Insects(昆虫)makeup80percentofalltheworldslivingkinds.Lookontheground.Imagineyoucouldlookundertheground,too.Manysmalllivingthingswithonecelllivethere.Lifeiseverywherearoundus,ineverycubicfoot(afoot=12inches).DavidLittschwagerisaphotographerwhowantedtofindouthowmanylivingthingslivedinonecubicfoot.Sohemadea12-inchcubewithagreenmetalframe.Andthenheputitinfivehabitats(栖息、地).Hechoseatropicalrainforest(CostaRica),acoralreef(PacificOcean),theTableMountain(SouthAfrica),afreshwaterriver(USA),andasmallpark(NewYork).Threeweekswerespentateachplace.Hewatched,counted,andtookphotosofeverythingdowntoImillimeterinsize一thatcrawled(J爬)orflewintothecube.Theresultswereamazing.Liittschwagerfoundbothcommonandrarelivingthings.Hediscoveredmanynewlivingkinds,likeastrangetransparentoctopusthatisthesizeofafingernail!Intotal,morethanathousandlivingthingswerephotographed.LiittchwagersaidtheOneCubicFootexperiencewaslikefindingtreasure”.DavidLiittschwageralsofoundthatthehighestbiodiversity(生物多样性)inthereefwasintheskeletoncoral(珊瑚遗骨).Theseskeletoncoralaresuitableforsealivingthingsofallsizestogrow.Althoughthecoralreefhadthewidestrangeofbiodiversity,alltheotherhabitatswerefulloflife.Eventhecitypark!10. Whatdoes“onecubicfbot”meaninParagraph2?A. 1inchx1inchB.1inchx1inchx1inchC.12inchesx12inchesD.12inchesx12inchesx12inches11. WhatdidDavidLiittschwagerthinkoftheOneCubicFootexperience?A. Itwasvaluable.B. Itwasdifferent.C. Itwassimple.D. Itwascommon.12. Whichhabitathasthemostbiodiversity?A. Thetropicalrainforest.B.Thecoralreef.C.TheTableMountain.D.Thecitypark.13. Whichofthefollowingisthebesttitleforthepassage?A. LifeIsEverywhereB.FindTreasureinNatureC.FiveHabitatstoLiveinD.AStoryofDavidLittschwager【答案】DABA【解析】文章介绍了地球上大约有150万种生物，但你每天能看到多少种？生命无处不在，一位摄影师大卫利特施瓦格，他想知道一立方英尺有多少生物，并做了相应的实验，以及对他的实验的情况介绍。10. 细节理解题。根据“Sohemadeal2-inchcubewithagreenmetalframe.可知，他做了一个12英寸的立方体,应该是长宽高都是12英寸，故选D。11. 推理判断题。根据Theresultswereamazing.Liittschwagerfoundbothcommonandrarelivingthings.”可矢口，他认为实验的结果是令人惊讶的，他发现了普通和稀有的生物，所以说这个实验应该是有价值的，故选A。12. 细节理解题。根据DavidLiittschwageralsofoundthatthehighestbiodiversity（生物多样性）inthereefwasintheskeletoncoral（珊瑚遗骨）.Althoughthecoralreefhadthewidestrangeofbiodiversity,可知，珊瑚礁有最广泛的生物多样性，故选B。13. 最佳标题题。|艮据“Thereareabout1.5millionkindsoflivingthingsonEarth.Lifeiseverywherearoundus,ineverycubicfoot以及整个文章的理解可知，主要通过摄影师大卫利特施瓦格的实验告诉我们，生命无处不在，故选A。4DoyouknowaboutPsephurusgladius（白鳄）?ItsaChinesepaddlefishknownaskingofallnationalfreshwaterfish”.However,itisannouncedthattheChinesepaddlefishlivingintheYangtzeRiverhasbecomeextinct（灭绝的）.ApaperfromScienceoftheTotalEnvironmentshowsthatthelargestfreshwaterfishinChinamighthavegoneextinctbetween2005and2010.WeiQiwei,authorofthepaper,saidinSeptember,2019,someexpertssupposedthatthefirst-classprotectedfishhadbeenextinctalready.TheChinesepaddlefishwasabout2to3meterslongandcouldgrowlongerthan7meters.Thefishhadlivedontheearthfor15millionyears.Thelatestdiscoveryofthefishwasmadein2003.Scientistshelpedthefishtoreturnandtriedtotrack（追踪）it.Unluckily,aboataccidentcausedthetrackingeffortstofail.Sincethen,nodiscoveryhasbeenreportedandnosuchfishhasbeenkeptincaptivity（圈养）.TheChinesepaddlefishwassobigthatitwashardtoraiseincaptivity,”Weisaid.Between1984and1993,heoncetriedtosavefourfish,butonlyonestayedaliveandreturnedtotheriver.Theextinctionofthefishhascalledpublicattentionaspeopleexpressedsadnessoverthedeath,hopingsuchanimalswouldbebetterprotectedsothatfuturegenerationscouldseethem.FromJan1,2020,Chinabegana10-yearfishingban（禁令）onimportantareasoftheYangtzeRivertoprotectBiodiversity（生态多样性）inChinaslongestriver.14. ItcanbelearnedfromthepassagethattheChinesepaddlefishwashuntedtoomuchinthepastA. theChinesepaddlefishwasthelargestfreshwaterfishintheworldtheChinesepaddlefishcouldgrowtobeover7metersinlengthB. theChinesepaddlefishhasneverbeenseensofarWhycouldnttheChinesepaddlefishberaisedincaptivity?A. Becauseofitslivinghabits.B.Becauseofitslargesize.C.Becauseofisspecialdiet.D.Becauseofthehighcost.15. Whatsthewriterspurposeinwritingthepassage?A. Toshowpeoplessadnessaboutthefishsdeath.B. Toexplainhowthefishdiedout.C. Tocallonpeopletoprotectanimals.D. Tointroduceafirst-classprotectedfish.【答案】CBC【解析】本文介绍了白鳄的灭绝，并借此号召人们保护濒危动物，保护生物的多样性。14. 细节理解题。根据“TheChinesepaddlefishwasabout2to3meterslongandcouldgrowlongerthan7meters.”可知，中华色寻可以长到7米以上。故选C。15. 细节理解题。根据“TheChinesepaddlefishwassobigthatitwashardtoraiseincaptivity,可知，中华鳄之所以难以人工饲养，是因为它庞大的尺寸。故选B。16. 主旨大意题。根据“Theextinctionofthefishhascalledpublicattentionaspeopleexpressedsadnessoverthedeath,hopingsuchanimalswouldbebetterprotectedsothatfuturegenerationscouldseethem.”及全文内容可矢口，本文作者借白磨灭绝一事号召人们保护动物，保护生物的多样性。故选C。C.Populationgrowthandclimatechange.D.Theformingofawebofdifferentlivingthings.2. Whichofthefollowingshouldweavoiddoingaccordingtothe“ThreeRs”？A. Buyingproductsyouneed.B. Buyingover-packagedproducts.C. Recyclingwhatyoudontneed.D. Usingbagsthatyoucanusemorethanonce.3. Whichofthefollowingshouldgointheblank?A. Protectendangeredanimals.B. Lookforbetterfossilfuels.C. Stopclimatechange.D. Reduceyourcarbonemissions.4. Youmayreadthepassagein.A. anovelB.atraveldiaryC.aguidebookD.asciencemagazine5. Whatisthepurposeofthispassage?A. Toshowusthingswecandotoprotecttheenvironment.B. Toremindusaboutenvironmentalproblems.C. Toteachushowtoachievebiodiversity.D. Toshowtheimportanceofdevelopinggreenenergy.2Wetlands一lakes,rivers,marshesandcoasts,canmaintainbiodiversity（保护生物多样性），controlfloodsandremovepollutants.Theyarealsohelpfultoriceandfishproduction,transportationandsoon.Theyareimportantandnecessaryfeedingandbreedinggroundsformigratorybirds.Theyarethemostthreatenedecosystem（受至U威胁的生态系统）.WorldWetlandsDaycamefromtheConventiononWetlands（湿地公约）signedinIran,ChinajoinedtheconventiononJuly31,1992.Bytheendof2019,ourcountryhad57wetlandnaturereserveslistedasmajorwetlandsforprotectionundertheconvention,coveringatotalofnearly7millionhectares.asChinahaswetlandswith65.9millionhectares,10percentoftheworldswetlandHumanssharetheearthwithdifferentkindsofwildlife.However,manyofouranimalandplantfriendsmaynotbearoundformuchlonger.Accordingtothefirstreportonbiodiversity（生多样性）releasedbytheUnitedNationsinMay2019,1millionofearthsmillionspeciesareindangerofextinction（灭绝），includingamphibians（两栖动物），marinemammals（海洋哺乳动物）andinsects.Humansaremainlytoblameforthis,accordingtothereport.Theworldspopulationhasmorethandoubled（from3.7to7.6billion）inthelast50years.Humanshaveusedmorethanathirdoftheworldslandand75percentoffreshwatersupplies（供应）togrowcropsandkeeplivestock（牲畜）.Asaresult,therearefewerhabitatsandnaturalresourcesavailableforanimals,aswellasmorepollution.Climatechangeisanotherreason.Theworldscoralreefs（珊f胡）aresufferingfromclimatechange.Iftheworldwarmsupbyanother0.5C,coralreefswillbereducedinsizeby70to90percent,thereportsaid.Thishasledscientiststobelievethattherecouldbeasixthmassextinction,thefirsttobecausedbyhumans,accordingtotheGuardian.Therehavebeenfivemassextinctionsbefore,thelastbeing65millionyearsago.Thatwaswhendinosaurswentextinct.Todealwiththisproblem,manycountrieshavetakenaction.Forexample,Chinastartedbanning（禁止）ivorytradingin2016,ChinaDailyreported.AccordingtoHuffPost,therearethingsthatwecandopersonallytosaveanimalspecies.Forexample,wecanavoidbuyingproductsthatcomefromanimalsanduselesswater.Eachindividual（个人）actionhasaneffectandeverypersoncanmakeadifference,saidClaudiaSobrevilafrom
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