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1、2023年中考英語時事熱點閱讀專練 熱點59認識生物多樣性及保護 一、閱讀單選1 Allplantsandanimalsareconnectedanddependupononeanother.Theseconnectionscreateawebofdifferenttypesoflifethatareabletoprotectthemselvesfromdamage（損而；）. However,populationgrowthandclimate（氣彳侯）changeareleadingtolessbiodiversity（生態(tài)多樣'性）andputtinghumansindanger

2、. Sowhatcanwedotohelpprotectbiodiversityandourenvironment? *Beaninformedconsumer（有見識的用戶） Avoidbuyingfromcompaniesthatdodamage（破壞）totheenvironment.Remember,companieswillsellwhatpeoplewanttobuy,sotellcompaniesthatyouwantproductsthatdonothurtourplanet. ^Followthe"ThreeRs" Thelessgarbage（垃圾）youthro

3、waway,thelesslikelyitisthatnaturalhabitats（棲息地）willbeusedforlandfills（垃圾填埋）.Trytofollowthe"ThreeRs”toproduceaslittlewasteaspossible. Reduce（減少）：Don'tbuyproductsyoudon'tneed.Whenyoudobuythings,trytomakechoicesthatleadtoasmalleramount（量）ofgarbage.Forexample,buythingswithalittlebitofpackaging（包裝）ornon

4、eatall. Reuse:Throwfewergoods（貨物）awaybyusingthingsmorethanonce.Oneeasyexampleistakingareusablebagtothegrocery（雜貨）store. Recycle:Whenyoudohavetothrowsomethingaway,recycleitsoitcanbemadeintosomethingusefulagain. * Fossilfuels（化石燃料）arebadfortheenvironment.Theclimatechangetheycausealsoleadstohabitat

5、loss（喪失）forendangeredanimals.Soreducingcarbonemissions（碳排放）isoneeffective（有效的）waytoprotectbiodiversity.Youcouldstartbyusinglessenergy:Walkorrideyourbikeinsteadofdriving,andthinkaboutgreenenergylikesolarpower（太陽能）. 1.Accordingtothepassage,whichofthesearecausingproblemsfortheenvironment? A. Creating

6、moreproducts. B. Turninglandintonaturalhabitats.floors. Everyonewantstotravelaroundtheworld,butmanypeopledon'trealizetheharmtheybringtotheenvironment. EvenAntarctica,thelastundevelopedplaceonourplanet,isnotconsideredasasafeplace.Scientistssaythateventhefewtouristswhogothere-just13,500inthelast10y

7、ears-aredamagingitsnaturalbeauty.Unfortunately,thehugegrowthintourismmeansthatthisnumbercouldhavedoubledby2016. Tourismrosebymorethan100percentintheworld's"biodiversityhotspots（生物多樣性熱點區(qū)）"duringthe1990s,accordingtoastudybytheUnitedNationEnvironmentProgramme. The"biodiversityhotspots"arethe25raresta

8、ndmostendangeredareasofplantandanimallife,covering1.4percentoftheearth.TheyincludeSouthAmerica'sAndesMountains,alargepartofsouthernAustralia,andthemountainsofsouthwestChina. ThegrowthofTourisminsuchareasisduetoariseingreentourismandadventuretravel,whichencouragepeopletovisittheworld'suntouchedplace

9、s. Tourismitselfbenefitsthesocietybycreatingjobsandotherchancesforpoorfarmers.Butitisimportanttofindabalancethatbringsocialbenefitswhileprotectingenvironmentandculturalresources. Manypeoplew川choosetotravelduringthelongNationalDayholiday.Doyouwanttodosomethingtohelpprotectourenvironmentaswellashave

10、agoodtime?Thentrytoavoidplaceswithbigcrowdsandfollowtherulesonprotectingtheenvironment. 31. WhatisthepurposeofParagraph1? A. Toshowthatthewriterisreallyproudofhisowncountry. B. ToprovethatmanytouristsliketravelinginGansuandTibet. C. ToshowthatChinaisacountrywithlotsofplacesofinterest. D. Totell

11、mosttouristshaven'trealizedtheharmtotheenvironment. 32. WhichplaceisNOTinthe"biodiversityhotspots"? A. RockyMountainsinNorthAmerica. B. AlargepartofsouthernAustralia. C. ThemountainsofsouthwestChinaAndesMountainsinSouthAmerica 33. Whatwillthewriterdoaboutthetourismaccordingtothepassage? A. Con

12、trolthenumberofthetourists. B. Makemoremoneybyattractingtourists. C. Askmorepeopletovisittheuntouchedplaces. D. Notourismisallowedinordertoprotectenvironment. 34. What*sthemanyideaofthepassage? A. Moreandmorepeopleliketravelingthesedays. B. Peopleshoulddothetravelinginagreenway. C. The"biodiv

13、ersityhotspots"attractlotsoftourists. D. Tourismisgoodforthepoorfarmersanddevelopment. 二、完型填空Savingthefirevictimswhocannotrunaway:Australia'skoalas Thevictimswerecarriedinonebyone,theirpawsburnedandfursinged（燒焦），sufferingfromfear.Doctorsdealtwiththeirwoundsandlaidtheminbasketswiththeonlythingthat

14、theyliveon-the35ofaeucalyptustree（按樹）. Asterriblefireshaveburnedmorethan2millionacresinAustralia,dozensofkoalashavebeensavedfromburningtreesandashenground. “Theyare36了saidCheyneFlanagan,thedirectoroftheKoalaHospitalinPortMacquarie. About50milessouthofthehospital,inTaree,onefamilyhasturnedtheirhom

15、eintoakoalarehabilitationcenter（康復中心）.There,eachof24koalasis37anameonitsbasket.Forthem,itisaslowroadtorecoveryinthecouple'slivingroom. Koalas,38kangaroos,birdsorsnakes,donotrunawayfromfiresbutinsteadclimbuptreestothecanopy（樹蔭），wheretheycancurlthemselvesintoaballfor39andwaitforthedangertopass. Asar

16、esult,duringfires,suchasthosethathaveburnedinrecentweeks,koalasarefar40likelytosurvive.Evenifthefireitselfdoesnotreachthetreecanopy,koalasmayoverheatandfalltotheground,wheretheycanbeburnedtodeath. Thedifficultsituationofthekoala-anationalsymbolofAustralia-hasraisedquestionsamongconservationistsands

17、cientistsaboutwhatitwilltaketopreservebiodiversity（生物多木羊'性）inacountry. 41koalashaveevolved（進化）togetthroughwildfires,theyarefacingnewdangersnotjustfromclimatechangebutalsofromhumandevelopment.ctWehavetheseuniqueanimalsnotfound42elseonthisplanet,andwe'rekillingthem,"Flanagansaid."Thisisabigwake-upcal

18、l." Thoughthefiresarestillburning,arescueteamledbythehospitalbegantosearchtheperiphery（邊緣地帶）lastweek,theirnecksstrainedtowardthetreecanopy,43forsurvivors."Thisfireisstillburning/9saidScottCastle,theassistantdirectoratthehospital,whotookpartinthe44.“So,”headded,"there'salotmoretosearch. 35.A.roots

19、 B.leaves C.branches D.flowers 36.A.excited B.scared C.amazed D.interested 37.A.given B.called C.required D.reported 38.A.like B.unlike C.as D.with 39.A.protection B.attention C.position D.invention 40.A.much B.more C.little D.less 41.A.Until B.Although C.If D.As 42.A.some

20、where B.anywhere C.nowhere D.everywhere 43.A.finding B.researching C.searching D.discovering 44.A.action B.industry C.method D.scene 2023年中考英語時事熱點閱讀專練 熱點59認識生物多樣性及保護 一、閱讀單選1 Allplantsandanimalsareconnectedanddependupononeanother.Theseconnectionscreateawebofdifferenttypesoflifethatar

21、eabletoprotectthemselvesfromdamage（損而；）. However,populationgrowthandclimate（氣彳侯）changeareleadingtolessbiodiversity（生態(tài)多樣，性）andputtinghumansindanger. Sowhatcanwedotohelpprotectbiodiversityandourenvironment? *Beaninformedconsumer（有見識的用戶） Avoidbuyingfromcompaniesthatdodamage（破壞）totheenvironment.Reme

22、mber,companieswillsellwhatpeoplewanttobuy,sotellcompaniesthatyouwantproductsthatdonothurtourplanet. ^Followthe"ThreeRs" Thelessgarbage（垃圾）youthrowaway,thelesslikelyitisthatnaturalhabitats（棲息地）willbeusedforlandfills（垃圾填埋）.Trytofollowthe"ThreeRs”toproduceaslittlewasteaspossible. Reduce（減少）：Don'tbuy

23、productsyoudon'tneed.Whenyoudobuythings,trytomakechoicesthatleadtoasmalleramount（量）ofgarbage.Forexample,buythingswithalittlebitofpackaging（包裝）ornoneatall. Reuse:Throwfewergoods（貨物）awaybyusingthingsmorethanonce.Oneeasyexampleistakingareusablebagtothegrocery（雜貨）store. Recycle:Whenyoudohavetothrowsom

24、ethingaway,recycleitsoitcanbemadeintosomethingusefulagain. * Fossilfuels（化石燃料）arebadfortheenvironment.Theclimatechangetheycausealsoleadstohabitatloss（喪失）forendangeredanimals.Soreducingcarbonemissions（碳排放）isoneeffective（有效的）waytoprotectbiodiversity.Youcouldstartbyusinglessenergy:Walkorrideyourbikei

25、nsteadofdriving,andthinkaboutgreenenergylikesolarpower（太陽能）. 1. Accordingtothepassage,whichofthesearecausingproblemsfortheenvironment? A. Creatingmoreproducts. B. Turninglandintonaturalhabitats. C. Populationgrowthandclimatechange. D. Theformingofawebofdifferentlivingthings. 2. Whichofthefollo

26、wingshouldweavoiddoingaccordingtothe“ThreeRs”？ A. Buyingproductsyouneed. B. Buyingover-packagedproducts. C. Recyclingwhatyoudon'tneed. D. Usingbagsthatyoucanusemorethanonce. 3. Whichofthefollowingshouldgointheblank? A. Protectendangeredanimals. B. Lookforbetterfossilfuels. C. Stopclimatechan

27、ge. D. Reduceyourcarbonemissions. 4. Youmayreadthepassagein. A. anovelB.atraveldiaryaguidebookD.asciencemagazine 5. Whatisthepurposeofthispassage? A. Toshowusthingswecandotoprotecttheenvironment. B. Toremindusaboutenvironmentalproblems. C. Toteachushowtoachievebiodiversity. D. Toshowtheimpor

28、tanceofdevelopinggreenenergy. 【答案】CBDDA 【解析】本文是一篇說明文，向我們介紹如何用自己的行動保護環(huán)境。 1. 2田節(jié)理解題。根據(jù)"However,populationgrowthandclimatechangeareleadingtolessbiodiversityandputtinghumansindanger?9可知，人口增長和氣候變化正在導致生物多樣性減少，并將人類置于危險之中。故選C。 2. 細節(jié)理解題。根據(jù)"Forexample,buythingswithalittlebitofpackagingornoneatall."可知，購買少量

29、包裝或者根本沒有包裝的東西。故選B。 3. 推理判斷題。根據(jù)"Youcouldstartbyusinglessenergy:Walkorrideyourbikeinsteadofdriving,andthinkaboutgreenenergylikesolarpower.”可知，你可以從使用更少的能源開始：走路或騎自行車而不是開車，考慮像太陽能這樣的綠色能源。所以我們要減少自身的碳排放，故選D。 4. 推理判斷題。本文向我們介紹如何用自己的行動保護環(huán)境，所以推測可能在科學雜志上看到，故選D。 5. 主旨大意題。本文向我們介紹如何用自己的行動保護環(huán)境，選項A“向我們展示我們可以做些什么來保

30、護環(huán)境”符合主題，故選A。 2 Wetlands一lakes,rivers,marshesandcoasts,canmaintainbiodiversity（保護生物多樣j*生），controlfloodsandremovepollutants.Theyarealsohelpfultoriceandfishproduction,transportationandsoon.Theyareimportantandnecessaryfeedingandbreedinggroundsformigratorybirds.Theyarethemostthreatenedecosystem（受至U威脅的

31、生態(tài)系統(tǒng)）. WorldWetlandsDaycamefromtheConventiononWetlands（濕地公約）signedinIran,ChinajoinedtheconventiononJuly31,1992.Bytheendof2019,ourcountryhad57wetlandnaturereserveslistedasmajorwetlandsforprotectionundertheconvention,coveringatotalofnearly7millionhectares.,asChinahaswetlandswith65.9millionhectares,10

32、percentoftheworld'swetlandareas,whichcomesfourthintheworld.ChinaalsohassomeofAsia'smostimportantwetlands,suchasPoyangLakeandAsia'slongestriver,YangtzeRiver. However,aWWFresearchshowedChina'swetlandswereseriouslythreatenedbydegradationbecauseofpollution,climatechangeandover-exploitation.Soourgovernm

33、enthasbeentakingactionstoreturnfarmlandtowetlandandremovesomefishfarms. Itwasreportedthe57keyChinesewetlandsincreasedby2,479hectaresfrom2018to2019.LiYan,anofficialfromtheNationalForestryandGrasslandAdministration,saidatanewsconference,"TheareaofwetlandsinChinahasbecomelargeroverthepastfiveyears,gro

34、wingby202,600hectaresandmakingagreatcontributiontowaterqualityandenvironmentalprotection.Between2016and2020,Chinacreated201nationalwetlandparks.Chinahad899nationalwetlandparksbytheendof2020,andnearlyhalfofthecountry'swetlandsareprotectedbysomelevelofgovernment. Chinaiscarryingthroughontheconvention

35、foracontinuousdevelopmentandwillmakecontinuingeffortstoperfectthelawsonwetlandprotection.Severalmajorprojectsonwetlandprotectionwillbecarriedoutinsomemajorareas,suchasYangtzeRiverandtheBeijing-Tianjin-Hebeiprovincecluster. 6. Whichofthefollowingisthemostsuitablefortheblank（空格）inParagraph2? A. Worl

36、dWetlandsDayiswell-knownWetlandsinChinaareseriouslythreatened B. Chinadoesn'thavelargeareasofwetlandsProtectionofwetlandsinChinaisveryimportant 7. Theunderlinedword“degradation”inParagraph3probablymeans. A. theprocessofsomethingbeingmadebettertheprocessofsomethingbeingmadeworse B. thesituationin

37、whichsomebodyhaswonalltherespectthesituationinwhichsomebodyhaslostalltherespect 8. ThewriterlistssomenumbersinParagraph4inorderto. A. introducehowlargeChina'swetlandsareexplainhowimportantChina'swetlandsare B. provehowmuchdangerChina'swetlandsarefacingatpresentshowtheachievementsonwetlandprotecti

38、onChinahasreached 9. What'sthebesttitlefbrthepassage? A. WetlandsinChinaareFamousChinaMakesLawsonWetlandProtection B. China'sWetlandsareinDangerChinaMakesProgressonWetlandProtection 【答案】DBDD 【解析】本文是一篇說明文，向我們介紹了世界濕地日的有關信息，主要介紹中國在濕地保護方面取得的成績，告訴人們濕地在人們生活中的作用。 6. 推理判斷題。分析“Bytheendof2019,ourcountry

39、had57wetlandnaturereserveslistedasmajorwetlandsfbrprotectionundertheconvention,coveringatotalofnearly7millionhectares...asChinahaswetlandswith65.9millionhectares,10percentoftheworld'swetlandareas,whichcomesfourthintheworld.ChinaalsohassomeofAsia'smostimportantwetlands,suchasPoyangLakeandAsia'slonges

40、triver,YangtzeRiver.”可矢口，本段介紹中國加入濕地公約，介紹了中國在濕地保護方面的努力，選項D“保護濕地在中國是非常重要的”符合語境，故選D。 7. 詞義猜測題。分析“However,aWWFresearchshowedChina'swetlandswereseriouslythreatenedbydegradationbecauseofpollution,climatechangeandover-exploitation.可知，世界自然基金會的一項研究表明，由于污染、氣候變化和過度開發(fā)，中國的濕地正受到退化的嚴重威脅。此處degradation的意思是“退化”， 故選

41、B。 8. 推理判斷題。根據(jù)"TheareaofwetlandsinChinahasbecomelargeroverthepastfiveyears,growingby202,600hectaresandmakingagreatcontributiontowaterqualityandenvironmentalprotection...andnearlyhalfofthecountry5swetlandsareprotectedbysomelevelofgovernment/5可知，本段列出的各種數(shù)據(jù)是為了說明中國在濕地保護方面取得的成績，故選D。 9. 最佳標題題。本文向我們介紹了世界濕

42、地日的有關信息，主要介紹中國在濕地保護方面取得的成績，告訴人們濕地在人們生活中的作用。選項D“中國濕地保護取得新進展”符合主題，故選D。 3 Thereareabout1.5millionkindsoflivingthingsonEarth,buthowmanydoyouseeeveryday?Youoftenseethebigcolourfulanimals,likebirds,rabbits,andfish.Butlookmoreclosely.Canyouseethesmallones,too?Insects(昆蟲)makeup80percentofalltheworld'slivi

43、ngkinds.Lookontheground.Imagineyoucouldlookundertheground,too.Manysmalllivingthingswithonecelllivethere.Lifeiseverywherearoundus,ineverycubicfoot(afoot=12inches). DavidLittschwagerisaphotographerwhowantedtofindouthowmanylivingthingslivedinonecubicfoot.Sohemadea12-inchcubewithagreenmetalframe.Andthe

44、nheputitinfivehabitats(棲息、地).Hechoseatropicalrainforest(CostaRica),acoralreef(PacificOcean),theTableMountain(SouthAfrica),afreshwaterriver(USA),andasmallpark(NewYork).Threeweekswerespentateachplace.Hewatched,counted,andtookphotosofeverythingdowntoImillimeterinsize一thatcrawled(J爬)orflewintothecube.

45、Theresultswereamazing.Liittschwagerfoundbothcommonandrarelivingthings.Hediscoveredmanynewlivingkinds,likeastrangetransparentoctopusthatisthesizeofafingernail!Intotal,morethanathousandlivingthingswerephotographed.LiittchwagersaidtheOneCubicFootexperiencewaslike"findingtreasure”.DavidLiittschwageralso

46、foundthatthehighestbiodiversity(生物多樣性)inthereefwasintheskeletoncoral(珊瑚遺骨).Theseskeletoncoralaresuitableforsealivingthingsofallsizestogrow.Althoughthecoralreefhadthewidestrangeofbiodiversity,alltheotherhabitatswerefulloflife.Eventhecitypark! 10. Whatdoes“onecubicfbot”meaninParagraph2? A. 1inchx1in

47、chB.1inchx1inchx1inchC.12inchesx12inchesD.12inchesx12inchesx12inches 11. WhatdidDavidLiittschwagerthinkoftheOneCubicFootexperience? A. Itwasvaluable. B. Itwasdifferent. C. Itwassimple. D. Itwascommon. 12. Whichhabitathasthemostbiodiversity? A. Thetropicalrainforest.B.Thecoralreef. C.TheTab

48、leMountain.D.Thecitypark. 13. Whichofthefollowingisthebesttitleforthepassage? A. LifeIsEverywhereB.FindTreasureinNatureC.FiveHabitatstoLiveinD.AStoryofDavidLittschwager 【答案】DABA 【解析】文章介紹了地球上大約有150萬種生物，但你每天能看到多少種？生命無處不在，一位攝影師大衛(wèi)?利特施瓦格，他想知道一立方英尺有多少生物，并做了相應的實驗，以及對他的實驗的情況介紹。 10. 細節(jié)理解題。根據(jù)“Sohemadeal2

49、-inchcubewithagreenmetalframe."可知，他做了一個12英寸的立方體,應該是長寬高都是12英寸，故選D。 11. 推理判斷題。根據(jù)"Theresultswereamazing.Liittschwagerfoundbothcommonandrarelivingthings.”可矢口，他認為實驗的結果是令人驚訝的，他發(fā)現(xiàn)了普通和稀有的生物，所以說這個實驗應該是有價值的，故選A。 12. 細節(jié)理解題。根據(jù)"DavidLiittschwageralsofoundthatthehighestbiodiversity（生物多樣性）inthereefwasintheskelet

50、oncoral（珊瑚遺骨）...Althoughthecoralreefhadthewidestrangeofbiodiversity,,可知，珊瑚礁有最廣泛的生物多樣性，故選B。 13. 最佳標題題。|艮據(jù)“Thereareabout1.5millionkindsoflivingthingsonEarth...Lifeiseverywherearoundus,ineverycubicfoot"以及整個文章的理解可知，主要通過攝影師大衛(wèi)?利特施瓦格的實驗告訴我們，生命無處不在，故選A。 4 DoyouknowaboutPsephurusgladius（白鱷）?It'saChinesepa

51、ddlefishknownas"kingofallnationalfreshwaterfish”.However,itisannouncedthattheChinesepaddlefishlivingintheYangtzeRiverhasbecomeextinct（滅絕的）. ApaperfromScienceoftheTotalEnvironmentshowsthatthelargestfreshwaterfishinChinamighthavegoneextinctbetween2005and2010.WeiQiwei,authorofthepaper,saidinSeptember,

52、2019,someexpertssupposedthatthefirst-classprotectedfishhadbeenextinctalready. TheChinesepaddlefishwasabout2to3meterslongandcouldgrowlongerthan7meters.Thefishhadlivedontheearthfor15millionyears.Thelatestdiscoveryofthefishwasmadein2003.Scientistshelpedthefishtoreturnandtriedtotrack（追蹤）it.Unluckily,ab

53、oataccidentcausedthetrackingeffortstofail.Sincethen,nodiscoveryhasbeenreportedandnosuchfishhasbeenkeptincaptivity（圈養(yǎng)）. "TheChinesepaddlefishwassobigthatitwashardtoraiseincaptivity,”Weisaid.Between1984and1993,heoncetriedtosavefourfish,butonlyonestayedaliveandreturnedtotheriver. Theextinctionofthefi

54、shhascalledpublicattentionaspeopleexpressedsadnessoverthedeath,hopingsuchanimalswouldbebetterprotectedsothatfuturegenerationscouldseethem.FromJan1,2020,Chinabegana10-yearfishingban（禁令）onimportantareasoftheYangtzeRivertoprotectBiodiversity（生態(tài)多樣性）inChina'slongestriver. 14. Itcanbelearnedfromthepassag

55、ethat?theChinesepaddlefishwashuntedtoomuchinthepast A. theChinesepaddlefishwasthelargestfreshwaterfishintheworldtheChinesepaddlefishcouldgrowtobeover7metersinlength B. theChinesepaddlefishhasneverbeenseensofarWhycouldn'ttheChinesepaddlefishberaisedincaptivity? A. Becauseofitslivinghabits.B.Becaus

56、eofitslargesize. C.Becauseofisspecialdiet.D.Becauseofthehighcost. 15. What'sthewriter'spurposeinwritingthepassage? A. Toshowpeople'ssadnessaboutthefish'sdeath. B. Toexplainhowthefishdiedout. C. Tocallonpeopletoprotectanimals. D. Tointroduceafirst-classprotectedfish. 【答案】CBC 【解析】本文介紹了白鱷的滅絕，并借

57、此號召人們保護瀕危動物，保護生物的多樣性。 14. 細節(jié)理解題。根據(jù)“TheChinesepaddlefishwasabout2to3meterslongandcouldgrowlongerthan7meters.”可知，中華色尋可以長到7米以上。故選C。 15. 細節(jié)理解題。根據(jù)“TheChinesepaddlefishwassobigthatitwashardtoraiseincaptivity,可知，中華鱷之所以難以人工飼養(yǎng)，是因為它龐大的尺寸。故選B。 16. 主旨大意題。根據(jù)“Theextinctionofthefishhascalledpublicattentionaspeo

58、pleexpressedsadnessoverthedeath,hopingsuchanimalswouldbebetterprotectedsothatfuturegenerationscouldseethem.”及全文內容可矢口，本文作者借白磨滅絕一事號召人們保護動物，保護生物的多樣性。故選C。 C.Populationgrowthandclimatechange. D.Theformingofawebofdifferentlivingthings. 2. Whichofthefollowingshouldweavoiddoingaccordingtothe“ThreeRs”？ A

59、. Buyingproductsyouneed. B. Buyingover-packagedproducts. C. Recyclingwhatyoudon'tneed. D. Usingbagsthatyoucanusemorethanonce. 3. Whichofthefollowingshouldgointheblank? A. Protectendangeredanimals. B. Lookforbetterfossilfuels. C. Stopclimatechange. D. Reduceyourcarbonemissions. 4. Youmayread

60、thepassagein. A. anovelB.atraveldiaryC.aguidebookD.asciencemagazine 5. Whatisthepurposeofthispassage? A. Toshowusthingswecandotoprotecttheenvironment. B. Toremindusaboutenvironmentalproblems. C. Toteachushowtoachievebiodiversity. D. Toshowtheimportanceofdevelopinggreenenergy. 2 Wetlands一lake

61、s,rivers,marshesandcoasts,canmaintainbiodiversity（保護生物多樣性），controlfloodsandremovepollutants.Theyarealsohelpfultoriceandfishproduction,transportationandsoon.Theyareimportantandnecessaryfeedingandbreedinggroundsformigratorybirds.Theyarethemostthreatenedecosystem（受至U威脅的生態(tài)系統(tǒng)）. WorldWetlandsDaycamefromt

62、heConventiononWetlands（濕地公約）signedinIran,ChinajoinedtheconventiononJuly31,1992.Bytheendof2019,ourcountryhad57wetlandnaturereserveslistedasmajorwetlandsforprotectionundertheconvention,coveringatotalofnearly7millionhectares.asChinahaswetlandswith65.9millionhectares,10percentoftheworld'swetland Humans

63、sharetheearthwithdifferentkindsofwildlife.However,manyofouranimalandplantfriendsmaynotbearoundformuchlonger. Accordingtothefirstreportonbiodiversity（生多樣性）releasedbytheUnitedNationsinMay2019,1millionofearth'smillionspeciesareindangerofextinction（滅絕），includingamphibians（兩棲動物），marinemammals（海洋哺乳動物）and

64、insects. Humansaremainlytoblameforthis,accordingtothereport.Theworld'spopulationhasmorethandoubled（from3.7to7.6billion）inthelast50years.Humanshaveusedmorethanathirdoftheworld'slandand75percentoffreshwatersupplies（供應）togrowcropsandkeeplivestock（牲畜）.Asaresult,therearefewerhabitatsandnaturalresourcesa

65、vailableforanimals,aswellasmorepollution. Climatechangeisanotherreason.Theworld'scoralreefs（珊f胡）aresufferingfromclimatechange.Iftheworldwarmsupbyanother0.5°C,coralreefswillbereducedinsizeby70to90percent,thereportsaid.Thishasledscientiststobelievethattherecouldbeasixthmassextinction,thefirsttobecaus

66、edbyhumans,accordingtotheGuardian.Therehavebeenfivemassextinctionsbefore,thelastbeing65millionyearsago.Thatwaswhendinosaurswentextinct. Todealwiththisproblem,manycountrieshavetakenaction.Forexample,Chinastartedbanning（禁止）ivorytradingin2016,ChinaDailyreported. AccordingtoHuffPost,therearethingsthatwecandopersonallytosaveanimalspecies.Forexample,wecanavoidbuyingproductsthatcomefromanimalsanduselesswater."Eachindividual（個人）actionhasaneffectandeverypersoncanmakeadifference,saidClaudiaSobrevilafrom