必修二U2WildlifeProtection單詞默寫

Book2Unit2單詞默寫一、英譯中1poster29living54recover2illegal30adapt55remove4hunt31adaptto56intend5hunter32measure57threat6immediately33authority58threaten7species34pressure59exist8shark35underpressure60harmony9fin36whale61goods10onearth37antelope62creature11alarming38Tibetanantelope63deer12alarm39reserve64kangaroo13rate40plain65reduce14rating41makeout66dueto15extinct42herd67insect16extinction43observe68net17mass44beauty69neighbourhood18habitat45remind71birdfieldguide19aware46fur72searchfor20beawareof47sacred73dolphin21endanger48shoot74koala22average49profit76stirup23onaverage50watchover77emotion24prince51dayandnight78skin25makeprogress52attack79unusual28beconcernedabout53effective81Tibet二、詞性轉(zhuǎn)換1.adj.不合法的;非法的→adv.不合法地;非法地

2.vt.&vi.打獵;搜尋;追捕→n.獵人

3.adv.立刻→adj.立刻的,即時的

4.vt.使驚恐;使害怕;使擔(dān)心n.恐慌;警報;警報器→adj.驚人的;使人驚恐的

6.adj.已滅絕的→n.滅絕

7.adj.知道;發(fā)覺;有……意識的→n.意識→adj.未發(fā)覺的;不知道的

8.vt.使遭受危險;危害→adj.瀕危的

9.vt.涉及;讓…擔(dān)憂n.擔(dān)心;憂慮→adj.擔(dān)心的;關(guān)切的

→____________prep.關(guān)于;涉及10.vi.適應(yīng)vt.使適應(yīng);使適合→n.適應(yīng);改編本→adj.適應(yīng)性強的

11.n.美;美人;美好的東西→adj.美麗的;漂亮的

12.adj.有效的;生效的→n.效果;影響→vt.影響;侵襲

13.vi.恢復(fù);康復(fù)vt.找回;尋回→n.恢復(fù)

14.vi.&vt.打算;計劃;想要→n.意圖;打算

15.n.威脅→vt.威脅;危及

16.vi.存在;生存→n.存在;生存

17.n.和諧;融洽→adj.和諧的,融洽的

18.n.感情;情感;情緒→adj.情感的,情緒的

19.adj.特別的;不尋常的→adj.常見的,尋常的

三、基礎(chǔ)鞏固練習(xí)1.Whenanoldmansoundedthe,thewhistlemademanypeople.(alarm)

2.Between150and200speciesarebeingeveryyear.Thismassiscausedbyhunting.(extinct)

3.Motherisalwaysaboutme.However,Iwasn’tawareofherwhenIwasakid.(concern)

4.Infact,kidsareveryandtheycansoontolivinginkindergartens.Youshouldhaveconfidenceintheir.(adapt)

5.Thepartywasspeciallyforher,butshedidn’tappreciatemygood.(intend)

6.Asisknowntous，thePeople'sRepublicofChinacameinto__________(exist)asanindependentcountryin1949.

7.Theparkingplaceforbikeswasan__________(exist)problemforalongtimeinourschool.8.Agoodidea(strike)meandIdecidedtogoabroad.9.Watchingthemmoveslowlyacrossthegreengrass.I’m(strike)by

their

beauty.

I’m

alsoremindedthe

danger

theyare

in.10.WWFcanplayaroleinprotectingthe(endanger)species.11.Examsarenotthemost(effect)methodofassessingstudent’sabilities.12.Letustryourbesttomakehisworld(harmony),balancedandbetterforall.13.Accordingtosomescientists,globalwarming(threat)thesurvivalofthewholehumanrace.14.Thereasonhewaslatewasthathemissedthetrainbyoneminutethismorning.

15.ItisforthisreasonSpanishisthemainofficiallanguageofPeru.短語小測1.(由于)thefactthatpeoplehuntedelephantsinordertogettheirivory,someofthespecieshavealready2.(滅絕).Onlywhenpeopleare3.(意識到)theimportanceofprotectingthemcantheylivehappily4.(在地球上).

熟詞生義①Whatconcernsmeisourlackofpreparationforthechange.②Thestoryconcernsamanwhowasafriendofmine.③Iamwritingtotellyousomethingconcerningtheingofageceremonyheldinourschool.①Thoughhavinglivedabroadforyears，manyChinesestillobservethetraditionalcustoms.②ItisatraditionforthepeopleheretoobservetheSpringFestival.③Wecanobservethatartificialintelligencehasalreadymadeanimpactonourlivesinmanyways.①Hewasleftbraindamagedafterbeingshotinthehead.②Imanagedtoshootaphotooftheelephantsbeforetheydisappearedintothetrees.①Duetothegrowingpopularityofenvironmentallyrelatedandadventuretravel，varioustypesoftripsarenowbeingclassifiedasecotourism.

②Theoldmansaidtheaccidentwascausedbycarelessdriving,soalotofmoneywasduetobepaidbythedriver.

③Thebooksmustbereturnedbeforetheduedateorthekidcannotborrowotherbooks.①Ingeneral,aplaincarpetmakesaroomlookbigger.②Oncetherewere70millionbuffaloontheplains.③Threeofficersinplainclothestoldmetogetoutofthecar.④Thefactswereplaintosee.___________形近詞：①adapt_________→adopt__________②affect v.________ → effect n._________③angel __________ → angle ________④access __________ → assess ________⑤aboard __________ → abroad ________⑥expect __________ → expert ________時“隱”時“現(xiàn)”：①dieout滅亡；逐漸消失②disappear vi.消失；失蹤③appear vi.出現(xiàn)④showup 出現(xiàn)⑤turnup 出現(xiàn)；發(fā)生⑥outofsight 看不見了重點句型仿寫對點訓(xùn)練1．這就是我們在日常生活中應(yīng)該多讀經(jīng)典作品的原因。(Thisiswhy...)inourdailylife.2．只有當我離開家時，我才意識到家人對我來說有多么重要。(“only＋狀語”位于句首的部分倒裝)OnlywhenIlefthome3．當談到科幻小說時，他總是有說不完的話。(whenitesto(doing)sth.)，healwayshasalottosay.4．你必須在早晨七點之前到達學(xué)校門口以便我們能夠按時出發(fā)。(sothat引導(dǎo)的目的狀語從句)Youmustarriveattheschoolgatebefore7:00am.5．上課認真聽講是你應(yīng)該做的事情。(what引導(dǎo)的表語從句)Listeningcarefullyinclassis.6.我走在街上時看到了他。(分詞作狀語)(＝When/WhileIwaswalkinginthestreet),Isawhim.7.(普通表達)Inmyopinion,itisnecessaryforyoutohaveagoodrest,whichwillprovideenoughenergyforyou．(高級表達)→,itisnecessaryforyoutohaveagoodrest,whichwillprovideenoughenergyforyou．8.是時候我們應(yīng)該采取措施阻止空氣污染了。①It’shightimethatwe.②It’shightimethatmeasures.9.據(jù)我所知，他現(xiàn)在正在中國接受治療。(現(xiàn)在進行時被動形式)AsfarasIknow,.10.(正是因為這個原因)theWWFconstantlyputupinformationtostiruppublicinterestinthewelfareoftheplanet．（強調(diào)句）根據(jù)括號中的提示完成語篇填空SaveUs—SouthChinaTigerWearecalledSouthChinaTiger，andweare1._________________________處于滅絕的危險).It's2.______________(alarm)thatthereareonly30~80livinginthezoo.Ourskinandfurareregardedasexpensivetraditionalmedicine.Forthisreasonwearebeingillegallyhunted3.___________________________________________________________(用強調(diào)句升級加黑體部分).Evenworse，duetothefactthattreesarebeingcutdownbyhumanbeings，4._________________________________________(我們的自然棲息地——森林，正受到威脅).However，5.___________________________________(人們正采取有效措施增加野生虎的數(shù)量).

Pleaserefusetobuyourfurorothertigerproducts!翻譯練習(xí)：在過去的十年里，隨著野生動物數(shù)量的減少，我對我們環(huán)境的脆弱vulnerable)狀態(tài)感到震驚。同時這也提醒我，我們的生計(livelihood)在很大程度上取決于他們的存在。隨著對氣候變化的威脅與日俱增，政府打算制訂更多的環(huán)境保護計劃。如果真想調(diào)整我們的生活方式以幫助野生動物，我們必須從一步一步地改變我們的習(xí)慣開始。只有當我們體驗到和諧自然的那種寧靜，我們才能停止過于看重物質(zhì)化(materialistic)的生活方式，做有利于世界的事。本單元優(yōu)美段背誦Theairisthinandwehavetorestseveraltimesontheshorthikefromcamp.

Toourleft,snowcoveredmountainsdisappearintocloudsthatseemalmostcloseenoughtotouch.Onthe

plain

infrontofus,wecanjust

makeout

aherdofgracefulanimals.Thisiswhywe’rehere—to

observe

Tibetanantelopes.空氣很稀薄，我們不得不在從營地出發(fā)的短途徒步旅行中休息幾次。在我們的左邊，白雪皚皚的山脈消失在云層中，看上去幾乎觸手可及。在我們面前的平原上，我們隱約看到一群體形優(yōu)美的動物。這就是為什么我們在這里觀察藏羚羊。TibetanantelopesliveontheplainsofTibet,Xinjiang,andQinghai.Watchingthemmoveslowlyacrossthegreengrass.I’mstruckby

their

beauty.

I’m

alsoremindedof

the

danger

theyare

in.Theyarebeinghunted,illegally,fortheirvaluablefur.藏羚羊生活在西藏、新疆和青海的平原上?？粗鼈冊诰G色的草地上緩慢移動。我被它們的美麗打動了。我還想起了它們所處的危險。因其珍貴的羊毛，它們正遭受非法獵殺。必修二unit1配套練習(xí)(2023全國乙卷)LivinginIowaandtryingtobeeaphotographerspecializinginlandscape(風(fēng)景)canbequiteachallenge,mainlybecausethecornstatelacksgeographicalvariation.AlthoughlandscapesintheMidwesttendtobequitesimilar,eitherfarmfieldsorhighways,sometimesIfinddistinctivecharacterinthehillsorlakes.Tomakesomeofmylandscapeshots,Ihavetraveleduptofourhoursawaytoshootwithina10minutetimeframe.Itendtotravelwithafewofmyfriendstostateparksortothecountrysidetogoonadventuresandtakephotosalongtheway.Beingattherightplaceattherighttimeisdecisiveinanystyleofphotography.IoftenleaveearlytoseektherightdestinationssoIcansetupearlytoavoidmissingthemomentIamattemptingtophotograph.Ihavemissedplentyofbeautifulsunsets/sunrisesduetobeingonthespotonlyfiveminutesbeforethebestmoment.OnetimemyfriendsandIdrovethreehourstoDevil’sLake,Wisconsin,toclimbthepurplequartz(石英)rockaroundthelake.Afterwefoundacrazylookingroadthathungoverabunchofrocks,wedecidedtophotographthesceneatsunset.Thepositionenabledustolookoverthelakewiththesunsetinthebackground.Wemanagedtoleavethisspottoclimbhigherbecauseofthesparetimeuntilsunset.However,wedidnotmarktheroute(路線)soweendedupalmostmissingthesunsetentirely.Oncewefoundtheplace,itwasstressfulgettinglightsandcamerassetupinthelimitedtime.Still,lookingbackonthephotos,theyaresomeofmybestshotsthoughtheycouldhavebeensomuchbetterifIwouldhavebeenpreparedandmanagedmytimewisely.24.HowdoestheauthordealwiththechallengeasalandscapephotographerintheMidwest?A.Byteamingupwithotherphotographers.B.Byshootinginthecountrysideorstateparks.C.Bystudyingthegeographicalconditions.D.Bycreatingsettingsinthecornfields.25.Whatisthekeytosuccessfullandscapephotographyaccordingtotheauthor?A.Propertimemanagement. B.Goodshootingtechniques.C.Adventurousspirit. D.Distinctivestyles.26.Whatcanweinferfromtheauthor’stripwithfriendstoDevil’sLake?A.Theywentcrazywiththepurplequartzrock.B.Theyfeltstressedwhilewaitingforthesunset.C.Theyreachedtheshootingspotlaterthanexpected.D.Theyhadproblemswiththeirequipment.27.HowdoestheauthorfindhisphotostakenatDevil’sLake?A.Amusing. B.Satisfying. C.Encouraging. D.forting.（2021·全國）WhentheexplorersfirstsetfootuponthecontinentofNorthAmerica,theskiesandlandswerealivewithanastonishingvarietyofwildlife.NativeAmericanshadtakencareofthesepreciousnaturalresourceswisely.Unfortunately,ittooktheexplorersandthesettlerswhofollowedonlyafewdecadesto

decimatealargepartoftheseresources.Millionsofwaterfowl(水禽)werekilledatthehandsofmarkethuntersandahandfulofoverlyambitioussportsmen.Millionsofacresofwetlandsweredriedtofeedandhousetheeverincreasingpopulations,greatlyreducingwaterfowlhabitat.In1934,withthepassageoftheMigratoryBirdHuntingStampAct(Act),anincreasinglyconcernednationtookfirmactiontostopthedestructionofmigratory(遷徙的)waterfowlandthewetlandssovitaltotheirsurvival.UnderthisAct,allwaterfowlhunters16yearsofageandovermustannuallypurchaseandcarryaFederalDuckStamp.TheveryfirstFederalDuckStampwasdesignedbyJ.N.“Ding”Darling,apoliticalcartoonistfromDesMoines,lowa,whoatthattimewasappointedbyPresidentFranklinRooseveltasDirectoroftheBureauofBiologicalSurvey.Hunterswillinglypaythestamppricetoensurethesurvivalofournaturalresources.About98centsofeveryduckstampdollargoesdirectlyintotheMigratoryBirdConservationFundtopurchasewetlandsandwildlifehabitatforinclusionintotheNationalWildlifeRefugeSystem—afactthatensuresthislandwillbeprotectedandavailableforallgenerationstoe.Since1934,betterthanhalfabilliondollarshasgoneintothatFundtopurchasemorethan5millionacresofhabitat.LittlewondertheFederalDuckStampProgramhasbeencalledoneofthemostsuccessfulconservationprogramseverinitiated.38.WhatwasacauseofthewaterfowlpopulationdeclineinNorthAmerica?A.Lossofwetlands. B.Popularityofwatersports.C.Pollutionofrivers. D.Arrivalofotherwildanimals.39.Whatdoestheunderlinedword“decimate”meaninthefirstparagraph?A.Acquire.B.Export.C.Destroy. D.Distribute.40.WhatisadirectresultoftheActpassedin1934?A.Thestamppricehasgonedown. B.Themigratorybirdshaveflownaway.C.Thehuntershavestoppedhunting. D.Thegovernmenthascollectedmoney.41.Whichofthefollowingisasuitabletitleforthetext?A.TheFederalDuckStampStory B.TheNationalWildlifeRefugeSystemC.TheBenefitsofSavingWaterfowl D.TheHistoryofMigratoryBirdHunting（2021·全國）PortLympneReserve,whichrunsabreeding(繁育)programme,hasweledthearrivalofarareblackrhinocalf(犀牛幼崽).WhenthetinycreaturearrivedonJanuary31,shebecamethe40thblackrhinotobebornatthereserve.AndofficialsatPortLympneweredelightedwiththenewarrival,especiallyasblackrhinosareknownforbeingdifficulttobreedincaptivity(圈養(yǎng)).PaulBeer,headofrhinosectionatPortLympne,said:“Obviouslywe'reallabsolutelydelightedtoweleanothercalftoourblackrhinofamily.She'shealthy,strongandalreadyeagertoplayandexplore.Hermother,Solio,isafirsttimemumandsheisdoingafantasticjob.It'sstillalittletoocoldforthemtogooutintotheopen,butassoonastheweatherwarmsup,Ihavenodoubtthatthelittleonewillbeoutandaboutexploringandplayingeveryday.”Theadorablefemalecalfisthesecondblackrhinobornthisyearatthereserve,butitistooearlytotellifthecalveswillmakegoodcandidatestobereturnedtoprotectedareasofthewild.ThefirstrhinotobebornatPortLympnearrivedonJanuary5tofirsttimemotherKisimaandweighedabout32kg.Hismother,grandmotherandgreatgrandmotherwereallbornatthereserveandstilllivethere.AccordingtotheWorldWildlifeFund,theglobalblackrhinopopulationhasdroppedaslowas5500,givingtherhinosa“criticallyendangered”status.4.Whichofthefollowingbestdescribesthebreedingprogramme?A.Costly. B.Controversial. C.Ambitious. D.Successful.5.WhatdoesPaulBeersayaboutthenewbornrhino?A.Shelovesstayingwithhermother. B.Shedislikesoutdooractivities.C.Sheisingoodcondition D.Sheissensitivetoheat.6.WhatsimilarexperiencedoSolioandKisimahave?A.TheyhadtheirfirstborninJanuary. B.TheyenjoyedexploringnewplacesC.Theylivedwiththeirgrandmothers. D.Theywerebroughttothereserveyoung7.WhatcanbeinferredaboutPornLympneReserve?A.Therhinosectionwillbeopentothepublic.B.Itaimstocontrolthenumberoftheanimals.C.ItwillcontinuetoworkwiththeWorldWildlifeFund.D.Someofitsrhinosmaybesenttotheprotectedwildareas.Threequartersoftheworld'scoffeefarmsdestroyforesthabitattogrowcoffeeinthesunandtypicallyuseharmfulpesticides(殺蟲劑)andchemicalsthatpoisontheenvironment.Whenforestsdisappear,migratory(遷徙的)songbirdsdisappear,too.Inordertodealwithseverepopulationandhabitatloss,SmithsonianscientistscreatedtheBirdFriendlycertification.BirdFriendlycoffeesareshadegrown,meaningthecoffeeisplantedundertrees,ratherthanonthelandthathasbeenclearedofallotherplants.Coffeeexpertssayshadegrowncoffeestastebetter,becausethebeansripenslowerthancoffeegrowninthefullsun,resultinginaricher,moreplexflavor.BirdFriendlycertifiedcoffeesgrowunderbiodiverseshadethatprovideshabitatformigratorysongbirdsandotherwildlife,storescarbonandfightsclimatechange.BirdFriendlycoffeesarealsocertifiedorganic,meaningtheyaregrownwithoutpesticides,whichisbetterforpeopleandfortheplanet.BirdFriendlyproducerscanalsoearnmorefortheircrops.Thewoodandfruittreesonshadecoffeefarmsprovidefarmerswithadditionaline.EverycupofBirdFriendlycoffeepurchasedrewardsthesefarmerswithalittlemoremoneyforbeinggoodstewardsoftheenvironmentandencouragesthemtocontinueconservingBirdFriendlyhabitat.BuyingBirdFriendlysupportstheSmithsonianMigratoryBirdCenter'sconservationresearchaimedatunderstandingandprotectingyourfeatheredfriends.YoucanpurchaseBirdFriendlycertifiedcoffeesaroundtheworldandprotectwildlifeandhabitatwitheverycup.Findastoreorcafenearyou,orbetteryet,haveitshippedtoyourdoorwhenyouorderonline.1.Whatisthepresentsituationofcoffeefarms?A.

Onefourthofthemhavedestroyedforesthabitatforbirds.B.

Pesticidesandchemicalsusedonthempoisonedmanybirds.C.

Farmershavebeenawareofenvironmentprotection.D.

Scientistspayattentiontothemandhaveeupwithanidea.2.What'sacharacteristicofBirdFriendlycoffees?A.

Theymayhaveabettertaste.

B.

Theyhaveastrangeflavor.C.

Theytakelesstimetoripen.

D.

Theyaregrownonunpollutedland.3.HowcanBirdFriendlyfarmersearnmoremoney?A.

Bychargingconsumersmoremoney.

B.

Bysellingfruitsandwoodfromtrees.C.

Bycuttingdowntreesandsellingwood.

D.

Byservingasstewardsofcoffeeconsumers.4.Whatdoesthetextsuggestcoffeeconsumersdo?A.

Consumelesscoffee.

B.

Ordercoffeeonline.C.

Purchaseshadegrowncoffee.

D.

Donatetocoffeefarmers.完型填空(2019·江蘇卷)Wildlifehasbeengreatlythreatenedinthemodemage.Therearespecies(物種)thatare___36___everyday.Thewhitenapedcraneisatypicalexample.Soscientistsaretryingtheirbestto___37___thespeciesfromgoingoutofexistence.ChrisandTimworkatazoo,helpingendangeredcraneswiththeir___38___.Emma,afemalecrane,hasbeenintheir___39___sinceshearrivedin2004.Bornataninternationalcranefoundation,Emmawas___40___byhumancaretakers.Thisledtoanunexpected___41___,thoughshehadawonderfultimethere.Emmahad___42___takenherselfasacraneandbeedeeplyattachedtohumans.She___43___tolivewithmalecranes,andevenhada___44___forkillingsomeofthem,whichmadeit___45___forhertobeeamother.___46___,thetwozookeepersdidn’twanttoseetheextinction(滅絕)ofthispreciousspecies.Withtheirpatienceandefforts,theysuccessfullydevelopeda___47___ofartificialbreeding(人工繁殖)andnaturalreproduction.This___48___Emmatogivebirthtofivebabycranes.Thetwokeepersareproudoftheirproductivework.Butbeforetheycanbe___49___,moreeffortsmustbemade,becausethepopulationofthecraneinthewildisonthe___50___,andmanyotherspeciesappearheadedtowardextinction.___51___,noteveryonehasrealizedthatwildlifehasthoughts,feelings,andmostimportantly,equalrightstosurvive.Howcanwe___52___theeverwideninggapthatseparatesusfromotheranimals?ChrisandTimofferedusthe___53___:humanbeingstookitforgrantedthattheir___54___heldallthesolutions,butmaybetheirheartscanbeabetter___55___.36.A.growing B.migrating C.petingD.disappearing37.A.ban B.save C.split D.remove38.A.abortion B.recreation C.reproductionD.administration39.A.care B.eye C.mind D.story40.A.found B.chosen C.raised D.seized41.A.bonus B.consequence C.victory D.sacrifice42.A.never B.always C.unluckily D.cheerfully43.A.liked B.refused C.decided D.hesitated44.A.gift B.skill C.concern D.reputation45.A.illegal B.inspiring C.important D.impossible46.A.Therefore B.Moreover C.However D.Instead47.A.bination B.collection C.strategy D.system48.A.forced B.forbade C.taught D.enabled49.A.defeated B.grateful C.assured D.tolerant B.rise C.agenda D.decline51.A.Incontrast B.Afterall C.BythewayD.Onthecontrary52.A.leave B.bridge C.open D.identify53.A.course B.excuse C.answer D.reward54.A.brains B.behaviors C.services D.projects55.A.guide B.treat C.example D.panion【2019·全國卷I】閱讀下面短文，在空白處填入1個適當?shù)膯卧~或括號內(nèi)單詞的正確形式。ThepolarbearisfoundintheArcticCircleandsomebiglandmassesasfarsouthasNewfoundland.Whiletheyarerarenorthof88°,thereisevidence___61___theyrangeallthewayacrosstheArctic,andasfarsouthasJamesBayinCanada.Itisdifficulttofigureoutaglobalpopulationofpolarbearsasmuchoftherangehasbeen___62___(poor)studied;however,biologistscalculatethatthereareabout20,00025,000polarbearsworldwide.Modemmethods___63___trackingpolarbearpopulationshavebeenemployedonlysincethemid1980s,andareexpensive___64___(perform)consistentlyoveralargearea.InrecentyearssomeInuitpeopleinNunayut___65___(report)increasesinbearsightingsaroundhumansettlements,leadingtoa___66___(believe)thatpopulationsareincreasing.Scientistshaverespondedby___67___(note)thathungrybearsmaybecongregating(聚集)aroundhumansettlements,leadingtotheillusion(錯覺)thatpopulationsare___68___(high)thantheyactuallyare.Of___69___nineteenrecognizedpolarbearsubpopulations,threearedeclining,six___70___(be)stable,oneisincreasing,andninelackenoughdata.【分析】這是一篇夾敘夾議類的文章。在現(xiàn)代，野生動物正在遭受巨大威脅，每天都有一些物種滅絕。白鶴就是其中之一。但是，有很多人正在竭盡全力保護這些物種免于滅絕。如Chris和Tim通過努力，幫助一只名叫Emma的雌鶴繁殖了五只幼鶴?！?6題詳解】考查動詞辨析。A.growing生長；B.migrating遷移；Cpeting競爭；D.disappearing消失。根據(jù)第一句“Wildlifehasbeengreatlythreatenedinthemodernage”和最后一句提到的“…thespeciesfromgoingoutofexistence”可以推知，野生動物正在遭受巨大威脅，每天都有一些物種滅絕，即：“消失”。D選項正確?！?7題詳解】考查動詞辨析。A.ban禁止；B.save挽救，保護；C.split分裂；D.remove移除。前文提到每天都有物種消失，那么該句應(yīng)指科學(xué)家們正在竭盡全力保護這些物種，使它們免于滅絕。故B選項正確。【38題詳解】考查名詞辨析。A.abortion墮胎；B.recreati