省直轄縣級(jí)行政區(qū)劃天門(mén)市干驛高級(jí)中學(xué)2022高二英語(yǔ)模擬試題含解析

省直轄縣級(jí)行政區(qū)劃天門(mén)市干驛高級(jí)中學(xué)2022高二英語(yǔ)模擬試題含解析一、選擇題1.Billwasdoingalotofphysicalexercisetobuilduphis___.A.abilityB.forceC.strengthD.mind參考答案：C2.Theboy______thathedidn'tcareaboutthefailure，buttheexpressiononhisfacegavehimaway．（）A．madeout B．setout C．foundout D．turnedout參考答案：A．男孩說(shuō)他不在乎失敗，但是他臉上的表情出賣(mài)了他．考查動(dòng)詞詞組的詞義辨析．makeout理解；辨認(rèn)出；說(shuō)明；填寫(xiě)；設(shè)法應(yīng)付．setout出發(fā)；開(kāi)始；陳述；陳列．findout找出，查明；發(fā)現(xiàn)，揭發(fā)．turnout發(fā)生；證明是；生產(chǎn)；關(guān)掉．題干表達(dá)的是"男孩說(shuō)明"，故答案是A．3.Unlessyouhaveplantedsomething,youwon’tbeabletoknowthepleasureofwatchingthethingyouhaveplanted______.A.growing

B.grown

C.togrow

D.tobegrown

參考答案：A句意：除非你種過(guò)什么，否則你無(wú)法體會(huì)看著你種的東西成長(zhǎng)的快樂(lè)。本題中“youhaveplanted”為定語(yǔ)從句，先行詞為thething；空格處應(yīng)用非謂語(yǔ)動(dòng)詞作賓語(yǔ)補(bǔ)足語(yǔ)，且grow與thething之間為主動(dòng)關(guān)系，故選A項(xiàng)。4.Kathy______alotofSpanishbyplayingwiththenativeboysandgirls.A.pickedup

B.tookup

C.madeup

D.turnedup參考答案：A5.---YouhateLee,don'tyou?---______Ijustthinkheisabitannoying.

A.That'sright

B.Notexactly

C.Byallmeans

D.Nevermind參考答案：B6.—It’ssuchapity.Ididn’tgetthefirstplaceintheexam.—Comeon.__________.A.Youreallydidbadly

B.Congratulations!

C.Nobodyisperfect

D.Badluck!參考答案：C7.TurnontheTVoropenamagazineandyou________advertisementsshowinghappy，

balancedfamilies.A.areoftenseeing

B.oftensee C.willoftensee

D.haveoftenseen參考答案：C8.Theconcertorganizerssaythattheywill______allprofitstocharity.

A.donate

B.share

C.place

D.search參考答案：A略9.Ifourenergyhadn't________,wewouldhavewonthefootballmatch.ks5uA.runout

B.runoutof

C.beenrunout

D.runof參考答案：A10.Inmymind,nosuch_____thinginourcountryas_____GreatWallcanstandfortheimageandcultureofChina.A.a;the

B.a;/

C./;the

D./;/參考答案：C11.–Wheredidyou______ourchemistryteacher?--Itwasinthesupermarket______Iboughtmooncakes.A.cometo,where

B.comeacross,that

C.comeacross,where

D.cometo,that參考答案：C12.Themanagersdiscussedtheplanthattheywouldliketosee__thenextyear.A.carryout

B.carryingout

C.carriedout

D.tocarryout參考答案：C13.Ithinkitagreathonor_____tovisityourcountry.A.toinvite B.inviting C.havinginvited D.tobeinvited參考答案：D【詳解】考查不定式用法。本句中不定式tobeinvitedtovisityourcountry是真正的賓語(yǔ)，it是形式賓語(yǔ)。句意：我認(rèn)為被邀請(qǐng)來(lái)參觀你們的國(guó)家是一件十分榮幸的事情。故D正確。【點(diǎn)睛】本句考查不定式作真正的賓語(yǔ)，it是形式賓語(yǔ)。it做形式賓語(yǔ)，通常和下列動(dòng)詞連用：consider,think,make,find,believe,

feel,guess。一般說(shuō)來(lái)，當(dāng)不定式、動(dòng)名詞、從句等用作賓語(yǔ)且其后跟有賓語(yǔ)補(bǔ)足語(yǔ)時(shí)，就應(yīng)在賓語(yǔ)補(bǔ)足語(yǔ)前使用形式賓語(yǔ)，而將真正的賓語(yǔ)移至句末。14.Thehotelwasn’tparticularlygood,butI_____inmanyworsehotels.A.wasstaying

B.stayed

C.wouldstay

D.hadstayed參考答案：D15.Today,_________rapidtransportationandcommunication,thewholeworldseemstobesmaller.A.regardlessof B.inspiteof C.insteadof D.becauseof參考答案：D16.Inthiscountryitisrequiredthatanyonewhowantstosettlehere______topassthiskindoftest.A.has B.musthave C.have D.willhave參考答案：C17.—Besuretoaccomplishyourtaskontime.—

wefinishitaheadofschedule?Anyprize?A.Whatif

B.Asif

C.Evenif

D.Onlyif參考答案：A18.---Whatshallwedowithourproject,stoporcontinue,sir?---________andtrytofinishit_______.A.Goaheadwithit;aheadoftime

B.Goondoingit;beforetime

C.Goontodoit;aheadoftime

D.Continuetodoit;beforethetime參考答案：A二、完型填空19.OneofthemostimportantlessonsIlearnedfrommyfathertookplaceinourdrivewaywhenIwasinelementaryschool.Weusedtoplaybasketballeveryday,andhe

36

thatIneededtolearnhowtoshootanddribblewithmylefthand.Beingnaturallyathletic,Iquicklybecamefrustratedwithmylackofleft-handed

37

.Ibecameveryangry,

38

downonthedriveway,andbegantocry,andmyfatherstoodthereandlookedatmeashewaited

39

formetogetovermytears.WhenIrealizethatmybehaviorwasnotgettingme

40

,Igotbackup.Hepassedmethe

41

andIcontinuedtopractice.Hislessonof

42

givingupandworkinghardertoaccomplishmygoalswasconveyedtomewithoutaword.I

43

becameskillfulwithmylefthand,butwhatIreallylearnedthatdaywasaroadmapforovercomingmybiggest

44

inlife.

45

IwaseighteenIwasinacaraccident,whereIbrokeavertebrainmyspine.Iwasgoingto

46

toplaysoccer,andnowIwastoldthatIwouldneveragainbeableto

47

athletically.ForhalfayearIwasnotevenableto

48

myownclothes.Iwantedto

49

schoolandgiveup.Iwantedtoliedownandcrythatlifewas

50

,muchasIhaddoneinourdrivewaysolongago.

51

everytimeIfeltthatway,thatearliermemorydancedinmymind.Iknewthat

52

Iwaspatientandcontinuedtoworkhard,Icouldovercomethisdifficulty.ForthreeyearsIcontinuedtogotoschool,doingthreetofourhoursof

53

rehabilitationeveryday,withconstantsupportfrommyparents.AndIfinallyearnedmy

54

backontheplayingfield.Thatlessoninthedrivewayhad

55

metobeonthefield,andIoweditalltomydad.Isucceededbecauseofwhomyfatheris,andwhoIambecauseofhim.36.A.

suggested

B.decided

C.recommended

D.predicted37.A.success

B.

failure

C.glory

D.loss38.A.lied

B.laid

C.lain

D.lay39.A.briefly

B.patiently

C.steadily

D.faithfully40.A.anywhere

B.nowhere

C.everywhere

D.somewhere41.A.ticket

B.smile

C.ball

D.map42.A.never

B.always

C.nearly

D.seldom43.A.

ly

B.abnormally

C.breathlessly

D.eventually44.A.challenge

B.

weakness

C.shortcoming

D.disadvantage45.

A.While

B.When

C.

Because

D.Since46.A.college

B.hospital

C.kindergarten

D.gym47.A.work

B.perform

C.

organize

D.manage48.A.putup

B.putaside

C.puton

D.putaway49.A.drop

B.enter

C.change

D.quit50.A.unusual

B.unexpected

C.uncertain

D.unfair51.A.However

B.But

C.

And

D.So52.A.because

B.although

C.if

D.as53.

A.painful

B.impressive

C.harmful

D.pleasant54.A.money

B.respect

C.

living

D.way55.A.asked

B.

forced

C.allowed

D.persuaded參考答案：36.B37.A38.D39.B40.A41.C42.A43.D44.A45.B46.A47.B48.C49.D50.D51.B52.C53.A54.D55.C40.A

考查副詞詞義辨析

此處用短語(yǔ)“getsbsomewhere”表示“有…結(jié)果”；依據(jù)所在上下文知作者“意識(shí)到自己的行為不會(huì)有什么結(jié)果”，故選A正確。41.C

考查名詞詞義辨析

依據(jù)上下文可知作者是在練習(xí)左手打籃球，故C項(xiàng)正確。42.A

考查副詞詞義辨析

依據(jù)上下文可知“父親給我的教訓(xùn)就是永不放棄并更加刻苦努力地去完成目標(biāo)”，故此處表示“永不放棄”故選A適合。43.D

考查副詞詞義辨析

依據(jù)上下文可知“作者最終練成了左手打球的技能”，此處表示“最終”之意，故D項(xiàng)正確。A項(xiàng)表示“絕對(duì)地”；B項(xiàng)是“不正常地”；C項(xiàng)表示“氣喘地，屏住呼吸地”。44.A

考查名詞詞義辨析

依據(jù)上一題可知作者練成左手打球的技能并也認(rèn)識(shí)到曾經(jīng)的經(jīng)歷就是克服成長(zhǎng)道路上種種挑戰(zhàn)與困難的必經(jīng)之路。A項(xiàng)表示“挑戰(zhàn)”；B項(xiàng)是“弱點(diǎn)”；C項(xiàng)是“缺點(diǎn)”；D項(xiàng)表示“缺點(diǎn)，不利之處”，故A項(xiàng)正確。50.D

考查形容詞詞義辨析

依據(jù)上下文可知作者想與以前一樣嚎啕大哭感慨生活的不公，故D項(xiàng)表示的“不公平”適合。A項(xiàng)表示“不尋常的”；B項(xiàng)表示“意外的”；C項(xiàng)表示“不確定的”。51.B

考查連詞詞義辨析

依據(jù)上下文可知此處表示的是轉(zhuǎn)折之意即：但是每一次我那樣感覺(jué)的話(huà)，以前的記憶就會(huì)涌上腦海。A項(xiàng)引導(dǎo)狀語(yǔ)從句表示轉(zhuǎn)折但需要用逗號(hào)隔開(kāi)；C項(xiàng)是并列連接；D項(xiàng)表因果關(guān)系，故B項(xiàng)正確。52.C

考查連詞詞義辨析

依據(jù)上下文可知“我知道如果我保持耐心并努力的話(huà)，我就能克服困難”，故C項(xiàng)即可?！緦W(xué)法指導(dǎo)】做忘形填空時(shí)要瞻前顧后，利用好語(yǔ)境，抓關(guān)鍵詞，并積極利用好上下文出現(xiàn)的一些原詞和提醒詞匯并結(jié)合相應(yīng)的用法進(jìn)行選擇。平時(shí)的短語(yǔ)也需要注意積累與收集。48.C

考查動(dòng)詞短語(yǔ)辨析

依據(jù)上下文可知作者脊椎受傷前半年甚至不能夠穿衣服，此處表示“穿衣服”，A項(xiàng)表示“舉起，張貼”；B項(xiàng)是“放在一邊”；C項(xiàng)表示“穿，增加，上映”；項(xiàng)是“放好，收好”之意。故C項(xiàng)符合。49.D

考查動(dòng)詞詞義辨析

依據(jù)上下文可知作者想退學(xué)放棄，故“quitschool”表示“退學(xué)”之意，與后面的“giveup”一致故選D適合。A項(xiàng)表示“丟，放”要表示“退學(xué)”可用短語(yǔ)“dropoutofschool”；B項(xiàng)是“進(jìn)入”之意；C項(xiàng)表示“改變”。20.Itwasacold,rainyday,andIhadnodesiretodriveupfortwohoursalongthewindingmountainroadtomydaughterCarolyn’shouse.Butshehad___16___thatIcometoseesomethingatthetopofthemountain.SohereIwas,___17___makingthetwo-hourjourneythroughthethickfog.Nothingcouldbeworththis,IthoughtasIinchedalongthe___18___highway.“I’llstayforlunch,butI’m___19___backhomestraightafterthat,”IannouncedwhenIarrived.“ButIneedyoutodrivemetothegarageto___20___mycar,”Carolynsaid.“Couldwe___21___

dothat?”Turningdownanarrowtrack,weparkedthecarandgotout.Tomy___22___,theviewsbeforemyeyeswere___23___words.Fromthe___24___ofthemountainslopingforseveralacresacrossvalleys,wereriversofflowersinbloom.Amassof___25___—fromthepalestivorytothedeepestlemonandthentothemostvividpink—shonelikeacarpetbeforeus.Itlooked___26___thesunhadspilledgolddownthemountainside.Aseriesofquestions___27___mymind.Who___28___suchbeauty?When?How?Asweapproachedthehousethat___29___inthecenteroftheland,wesawasignthat___30___:“AnswerstotheQuestions;IKnowYouAre___31___.”Thefirstanswerwas:“OneWoman—TwoHands,TwoFeet,andVeryLittleBrain.”Thesecondwas:“OneataTime.”Thethird:“___32___in1958.”Aswedrovehome,Iwassomovedbywhatwehadseen.The___33___ofitwouldnotletmego.“Imagine,”Isaid,“ifI’dhadavisionandworkedatit,justalittlebiteveryday,whatmightIhave___34___?”Carolynlookedatme,smiling.“Starttomorrow,”shesaid.“___35___yet,starttoday.”16.A.persuaded B.appointed C.insisted D.commanded17.A.roughly B.unwillingly C.constantly D.faithfully18.A.free B.dangerous C.smooth D.shallow19.A.heading B.cycling C.racing D.returning20.A.speedup B.bringup C.setup D.pickup21.A.atbest B.atlast C.atmost D.atleast22.A.disappointment B.gratitude C.amazement D.satisfaction23.A.beyond B.without C.against D.upon24.A.bottom B.middle C.top D.half25.A.plants B.flowers C.trees D.colours26.A.evenif B.asif C.inthat D.nowthat27.A.occupied B.focused C.covered D.turning28.A.discovered B.invented C.found D.created29.A.built B.stood C.remained D.located30.A.read B.signed C.wrote D.indicated31.A.Requesting B.demanding C.Asking D.Experiencing32.A.Changed B.Designed C.Ended D.Started33.A.reward B.view C.wonder D.visit34.A.strengthened B.accomplished C.accompanied D.affected35.A.better B.faster C.closer D.later參考答案：16.C

17.B

18.B

19.A

20.D

21.D

22.C

23.A

24.C

25.D

26.B

27.A

28.D

29.B

30.A

31.C

32.D

33.C

34.B

35.A【分析】這是一篇記敘文。文章主要講了作者女兒帶作者去山頂，看到了一片花海，作者為之吸引，得知這是一位女士多年努力的結(jié)果。作者設(shè)想：如果自己設(shè)定一個(gè)目標(biāo)，然后為之努力去奮斗，每天做一點(diǎn)，時(shí)間久了會(huì)收獲什么。【16題詳解】考查動(dòng)詞詞義辨析。句意：但是，她堅(jiān)持要我去山頂看一些東西。A.persuaded說(shuō)服；B.appointed任命；C.insisted堅(jiān)持；D.commanded命令。根據(jù)Itwasacold,rainyday,andIhadnodesiretodriveupfortwohoursalongthewindingmountainroadtomydaughterCarolyn’shouse.和But可知作者不想在雨天走山路開(kāi)車(chē)去女兒家，但是女兒堅(jiān)持讓去山頂看一些東西。故選C。【17題詳解】考查副詞詞義辨析。句意：于是，我就這樣，不情愿地在濃霧中走了兩個(gè)小時(shí)的路程。A.roughly粗糙地；B.unwillingly不情愿地；C.constantly不斷地；D.faithfully忠實(shí)地。根據(jù)Nothingcouldbeworththis可知作者不情愿地在濃霧中走了兩個(gè)小時(shí)的路程。故選B。【18題詳解】考查形容詞詞義辨析。句意：在這條危險(xiǎn)的公路上，我一點(diǎn)一點(diǎn)地往前走，心里想，什么都不值得。A.free自由的；B.dangerous危險(xiǎn)的；C.smooth光滑的；D.shallow淺的。根據(jù)throughthethickfog可知這條公路很危險(xiǎn)。故選B。【19題詳解】考查動(dòng)詞詞義辨析。句意：我將留下來(lái)吃午飯，但吃完飯我就直接回家。A.heading朝（某方向）行進(jìn)；B.cycling騎行；C.racing競(jìng)賽；D.returning返回。作者告訴女兒午飯后就直接回家。故選A?！?0題詳解】考查動(dòng)詞短語(yǔ)辨析。句意：但是，我需要你開(kāi)車(chē)送我去車(chē)庫(kù)取車(chē)。A.speedup加速；B.bringup養(yǎng)育；C.setup建立；D.pickup接回。女兒要求作者載她去修理廠把車(chē)接回來(lái)，指取車(chē)。故選D?！?1題詳解】考查介詞短語(yǔ)辨析。句意：卡洛琳說(shuō)：“我們至少可以這樣做嗎?”A.atbest最大；B.atlast最后；C.atmost至多；D.atleast至少。此處指女兒要求作者至少幫她做這件事，表示至少。故選D?！?2題詳解】考查名詞詞義辨析。句意：令我驚奇的是，我眼前的景色難以言表。A.disappointment失望；B.gratitude感激；C.amazement驚奇；D.satisfaction滿(mǎn)意。根據(jù)下文Fromthe___9___ofthemountain,slopingforseveralacresacrossvalleys,wereriversofflowersinbloom.可知本來(lái)說(shuō)去修車(chē)廠，而現(xiàn)在看到的景象讓作者感到吃驚。故選C。【23題詳解】考查介詞詞義辨析。句意：令我驚奇的是，我眼前的景色難以言表。A.beyond超過(guò)；B.without沒(méi)有；C.against反對(duì)；D.upon在……之上。作者眼前看到的景象無(wú)法用語(yǔ)言表達(dá)，指超出了語(yǔ)言表達(dá)的范圍。故選A?！?4題詳解】考查名詞詞義辨析。句意：從山頂開(kāi)始，有幾英畝的斜坡穿過(guò)山谷，那里是鮮花盛開(kāi)的河。A.bottom底部；B.middle中間；C.top頂部；D.half一半。與上文Butshehad___1___thatIcometoseesomethingatthetopofthemountain.呼應(yīng)，可知這是在山頂上看到的景象。故選C?！?5題詳解】考查名詞詞義辨析。句意：從最淺的象牙色到最深的檸檬色，再到最鮮艷的粉紅色，各種顏色像地毯一樣在我們面前閃閃發(fā)光。A.plants植物；B.flowers花；C.trees樹(shù)；D.colours顏色。根據(jù)fromthepalestivorytothedeepestlemonandthentothemostvividpink，可知這里是在談?wù)擃伾９蔬xD。【26題詳解】考查連詞詞義辨析。句意：看起來(lái)好像太陽(yáng)把金子灑下了山坡。A.evenif即使；B.asif好像；C.inthat因?yàn)?；D.nowthat既然。各種顏色的花像地毯一樣在我們面前閃閃發(fā)光，看起來(lái)好像太陽(yáng)翻倒了，把金子灑下了山坡。此處是比喻。故選B?！?7題詳解】考查動(dòng)詞詞義辨析。句意：一連串的問(wèn)題占據(jù)了我的頭腦。A.occupied占據(jù)；B.focused注視；C.covered覆蓋；D.turning轉(zhuǎn)向?？吹竭@么美的景象，作者腦子里裝滿(mǎn)了疑問(wèn)。故選A?！?8題詳解】考查動(dòng)詞詞義辨析。句意：誰(shuí)創(chuàng)造了這樣的美?A.discovered發(fā)現(xiàn)；B.invented發(fā)明；C.found找到；D.created創(chuàng)造。作者想知道是誰(shuí)，什么時(shí)候，怎樣創(chuàng)造了這種美。故選D?！?9題詳解】考查動(dòng)詞詞義辨析。句意：當(dāng)我們走近那座站立在地中央的房子時(shí)，我們看到了一塊牌子，上面寫(xiě)著:“問(wèn)題的答案；我知道你在問(wèn)?！盇.built建造；B.stood站立；C.remained保持；D.located位于。文中表示隨著我們接近這片地中央的房子，表示房子“站立”，故選B?！?0題詳解】考查動(dòng)詞詞義辨析。句意：當(dāng)我們走近那座站立在地中央的房子時(shí)，我們看到了一塊牌子，上面寫(xiě)著:“問(wèn)題的答案；我知道你在問(wèn)。”A.read讀；B.signed寫(xiě)下；C.wrote寫(xiě)；D.indicated表明。表示牌子上寫(xiě)著的內(nèi)容，用read，故選A。31題詳解】考查動(dòng)詞詞義辨析。句意：當(dāng)我們走近那座站立在地中央的房子時(shí)，我們看到了一塊牌子，上面寫(xiě)著:“問(wèn)題的答案；我知道你在問(wèn)?！盇.Requesting要求；B.demanding強(qiáng)烈要求；C.Asking問(wèn)；D.Experiencing體驗(yàn)。此處指提問(wèn)的問(wèn)題的答案，故選C?！?2題詳解】考查動(dòng)詞詞義辨析。句意：第三個(gè):“始于1958年?！盇.Changed改變；B.Designed設(shè)計(jì)；C.Ended結(jié)束；D.Started開(kāi)始。此處指創(chuàng)造這個(gè)奇跡的種花活動(dòng)開(kāi)始于1958年。故選D?！?3題詳解】考查名詞詞義辨析。句意：它的神奇讓我不想離開(kāi)。A.reward酬謝；B.view觀察；C.wonder神奇；D.visit參觀。它的奇妙之處不讓我走，指我被這個(gè)奇跡吸引不想離開(kāi)。故選C?！?4題詳解】考查動(dòng)詞詞義辨析。句意：我說(shuō)：“如果我有一個(gè)愿景，并為之努力，每天一點(diǎn)點(diǎn)，我可能會(huì)完成什么?！盇.strengthened加強(qiáng)；B.accomplished完成；C.accompanied陪伴；D.affected影響。此處指為一個(gè)目標(biāo)長(zhǎng)時(shí)間努力后的收獲，故選B?！?5題詳解】考查形容詞詞義辨析。句意：她說(shuō)：“更好的是，從今天開(kāi)始?！盇.better

更好；B.faster更快；C.closer更近；D.later后來(lái)。此處指從今天開(kāi)始更好。故選A?！军c(diǎn)睛】完形填空的解題技巧之一就是要根據(jù)上下文來(lái)學(xué)會(huì)“推理”出最佳選項(xiàng)。同學(xué)們要遵循“上下求索”的原則來(lái)查找信息。例如，小題3根據(jù)throughthethickfog可知這條公路很危險(xiǎn)。故選B。小題10根據(jù)fromthepalestivorytothedeepestlemonandthentothemostvividpink，可知這里是在談?wù)擃伾?。故選D。三、閱讀理解21.閱讀理解Polarbearsaredyingout!Theyaredyingbecausetheyarelosingagreatdealofhabitatduetohumanincursion(侵入)andglobalwarming.Theyaredyingbecauseofstarvationaswell.Withtheseaicetheydependonforsurvivalshrinking(縮小)，itisbecomingincreasinglydifficultforthemtofindfood.Anecosystemishighlydependentonallofitsparts，andremovingevenasinglespeciescanresultinseriousconsequences.Polarbearsareatthetopofthepredators(捕食性動(dòng)物)wheretheylive.Theyplayanimportantpartintheecosystem.Theyfeedonseals，fishanddeer.Severalothercarnivoresdependonthekillofpolarbears.Thefailuretosavepolarbearsmightresultinlossofthesepredators.Inaddition,alllargepredatorsperformaveryimportantfunctionintheirhabitat:helpingtocontrolthepopulationsofotherspecies.Whenananimalgrouplosesitsnaturalpredators，itspopulationwillriserapidly，havingadirectresultinpopulationdecreaseofothergroups.AhugeboominpopulationofArcticsealswouldhaveadirecteffectonthepreyofseals，andcouldreducenumbersofcertaintypesoffish.Thiscouldalsohaveadirecteffectonhumans，whomighthavetocompetewithArcticsealsforfoodsuppliesfromfish.Lackofpolarbearscouldeventuallyaffecthumanfoodsupply.Humanbeingsshallsavepolarbearstoensurethefoodsupply.Thereisnodoubtthatweshouldsavepolarbears.However，thereisstillanotherquestion:cantheybesaved?Thisisamatterthatscientistsdebatebecauseofrapiddegradation(惡化)ofthepolarbears'environmentinrecentyears

due

towarming

temperatures.Itisestimatedthatifthebearscannotadapttochangingclimates，theymightdieoutbeforetheendofthe21stcentury，with