譯林版高三英語一輪復習選擇性必修第二冊UNIT4 Living with technology課件

第一部分教材知識講練選擇性必修第二冊UNIT4

Livingwithtechnology續(xù)寫語料積累背誦·句之美欣賞·語之秀1．(行為描寫)(2024·吉林調(diào)研測試)Instead,shethrewherselfontothebedandcriedintoherpillow,sinkingintoherdeepsorrow．2．(景物描寫)(2024·連云港市模擬)Furtherup,theweatherchanges—lowcloudsenvelopthemountainsides,whicharecoveredwiththickgrass．3．(人物描寫)(2024·濰坊名校聯(lián)考)Heisakind-heartedyoungofficer,alwaysworkinghardanddevotinghimselftohisduty．(2024·長沙適應性考試)Idraggedmyselfoutofthebedandalltheroutinesbeganearly．Idroppedmytwoolderchildrenatschoolwithreliefandunwillinglyheadedtothesupermarkettobuygrocerieswithmyyoungest．Iwasn'tfeelinganysenseofappreciationformycomfortablehomeorlovelyfamily．語基

自主檢測·目標確立核心單詞語境運用(用所給詞的適當形式填空)1．_______vt．分析2．_______vt．&n．謀殺，兇殺3．_____vt．造成，產(chǎn)生；提問，質詢

vi．擺好姿勢

n．姿勢4．_______vt．預言，預告5．________vt．&vi．減少，降低

n．減少，降低6．____vi．從事間諜活動

vt．突然看見

n．間諜7．________vt．監(jiān)視，跟蹤調(diào)查；監(jiān)聽

n．顯示屏；監(jiān)測器；班長8．_________n．最好(或最精彩)的部分

vt．突出，強調(diào)；使醒目9．________vt．&vi．斷定，推斷出；達成，訂立；(使)結束，終止1．(2021·新高考Ⅱ卷)Thequalityofgrasslandwillbetrackedby___________(monitor)theshape,colorandtexture(質地)ofgrass．2．Currently,thespreadofwatershortages______(pose)themostimmediatethreattoAfrica．3．(2020·全國Ⅲ卷)___________(highlight)includeChina'smostsacredpeaksatMountTaiandHangzhou'srollinghills,waterwaysandpeacefultemples．4．It_____________(predict)asearlyasthe1700sthatEnglishwouldonedaybethegloballanguage．5．Before__________(conclude)hisvisit,AbiyAhmedhadassuredpresidentAl-SisithatthedamwillnotharmEgyptianinterests．6．Tothisday,it'sunclearwhetherheshothimselfor_____________(murder)．7．Youcanusesomeprogramstoblockanyattempt______(spy)onyourInternetactivities．8．Withthebirthrate__________(decrease)rapidly,thecountrywillfacelaborshortageinthefuture．a(chǎn)nalysemurderposepredictdecreasespymonitorhighlightconcludemonitoringposesHighlightswaspredictedconcludingwasmurderedtospydecreasing派生單詞語境運用(用所給詞的適當形式填空)1．threatn．威脅，恐嚇→________vt．危及，對……構成威脅；威脅，恐嚇2．crimen．罪，罪行；犯罪活動→_________n．罪犯

adj．犯罪的，犯法的3．greedn．貪婪，貪心→______adj．貪心的，貪婪的4．recognizevt．認出，識別；承認→___________n．識別，認出；承認，認可；贊譽，賞識5．distributevt．分配；散布；分發(fā)→____________n．分發(fā)，分送；分配，分布6．legaladj．法律許可的，合法的→_______adj．不合法的，非法的→_________adv．違法地，非法地7．optimismn．樂觀；樂觀主義→___________adj．樂觀的，抱樂觀看法的8．a(chǎn)nnoyvt．使惱怒，使生氣；打擾，騷擾→_______adj．憤怒的，生氣的→________adj．討厭的；惱人的→_________n．煩惱9．globen．球體，球狀物；地球儀；地球，世界→______adj．全球的；總體的；球形的→________adv．全球地；全面地1．Theincreaseinracialtensionconstitutesa_______tooursociety,whichmay________manyaspectsofsociety．(threat)2．So______awomanwasshethatnothingwouldsatisfyher_____forpowerandwealth．(greed)3．Thereisageneral___________oftheneedforreform,butmanypeoplerefuse___________theurgencyofit．(recognize)4．Thisspeciesofplantiswidely___________andthismapclearlyshowsits____________allovertheworld．(distribute)5．Sinceitis_______tosellcigarettestochildrenwhoareunderage,thegovernmentmusttake_____actiontopreventpeople_________sellingthem．(legal)6．What_______hermostisherboyfriend's________habitoftalkingwithhismouthfull,whichalsobeginstogetherparents________．(annoy)7．Bothlocallyand________,thecontinuedspreadoffull-suncoffeeplantationscouldmeanthedestructionoftherainforestecology,whichwouldfurtheraccelerate______warming．(globe)threatthreatengreedygreedrecognitiontorecognizedistributeddistributionillegallegalillegallyannoysannoyingannoyedgloballyglobalthreatencriminalgreedyrecognitiondistributionillegalillegallyoptimisticannoyedannoyingannoyanceglobalglobally高頻短語語境運用(選用左欄短語的適當形式填空)1．______________________(建)空中樓閣，幻想，空想2．________________略舉幾例3．_____________受傷，受損，被害4．_________強行闖入，撬開；突然開始(笑、唱等)；順利打入5．_________________大量，大批6．_______暗中監(jiān)視，窺探7．________________處于最前列，進入重要地位8．_________許多，大量9．___________歸結為，基本問題是10．__________大量11．______________在犧牲(或損害)……的情況1．(2022·新高考Ⅰ卷改)Giantpandasalsoserveasanumbrellaspecies,bringingprotectionto_________plantsandanimalsinpartsofChina．2．(2020·天津7月卷改)Thecrime-cuttingmeasurepreventspeoplewhoarecutofffromsociety________________cheaters．3．Allproducerswillpromisetogiveyouadiscountifyoubuytheirgoods_________________．4．(2020·新高考Ⅰ卷)Toooften,whenyoustanduptogiveaspeech,youfocusonthe“public”

________________the“speaking”．5．Activitiesavailabletoallpupilsincludeswimming,shootingandwrestling,_________________．6．You'vesaidalot,butIthinkthereasonforstoppingtheproject____________lackofmoney．7．Tworobbers_________herhome,heldaknifetoherthroatandstolehersavings．8．SomepeoplewanttoestablishhumansettlementsonMars,butthissoundsmorelike_______________________．(build)castlesintheairtonamebutafewfallvictimtobreakintoinlargequantitiesspyonattheforefrontofahostofboildowntolikeweedsattheexpenseofahostoffallingvictimtoinlargequantitiesattheexpenseoftonamebutafewboilsdowntobrokeintobuildingcastlesintheair原句結構辨識寫作佳句背誦1．thereisgrowingconcernover/about/that...“人們越來越擔心……”Moreover，thereisgrowingconcernthatwemightfallvictimtothistechnology．人們越來越擔心，糧食供應將不足以養(yǎng)活日益增長的世界人口。___________________________foodsupplieswillnotbeenoughtofeedtheincreasingworldpopulation．(應用文之倡議書)2．a(chǎn)swith“與……一樣”However,aswithanytechnology,theremustbesomebarrierstothedevelopmentofVR,Iguess．她濃密的睫毛害羞地垂著，眼睛格外深邃，就像濃郁的色彩淹沒在黑暗中一樣。Hereyes,withheavylasheshangingshyly,wereexceptionallydeep,_________________drownedinthedarkness．(續(xù)寫之肖像描寫)Thereisgrowingconcernthataswithrichcolour①Thegovernmentis___________(commit)toinvestingineducationandensuringeverychildhasaccesstoqualityschooling．②However,wecanachievemeaningonlyifwehavemadeacommitment__somethinglargerthanourownlittleegos(自我)．③(2021·天津卷)Thisrequires_____________(commit)toaparticularoccupation,branchofstudyorresearch．考點

歸納探究·精準講練1．commitvt．犯(罪)；承諾，保證；花(錢或時間)

vi．全心全意投入，忠于committedtocommitment在一個夏日的傍晚，所有這些漫長而辛苦的付出和奉獻最終結出了碩果。Onasummerevening,____________________________________________finallyborefruit．◎commitoneselfto(doing/do)sth專心致志于(做)某事；承諾/保證(做)某事◎committedadj．盡心盡力的；盡責的；堅定的◎becommittedto(doing/do)sth承諾/全身心地投入(做)某事◎commitmentn．投入；奉獻；承諾◎makeacommitmentto(doing/do)sth保證/承諾(做)某事行為描寫allthoselong,hardhoursofworkandcommitment◎commitanerror/acrime/suicide做錯事/犯罪/自殺◎becommittedtoprotectingtheinterestsofthepublic承諾保護公眾利益◎makeacommitmenttokeepworkingtogether承諾繼續(xù)合作①ThesummervacationisdrawingnearandIhave___urgetotravelaround．②Somespecialistsurgedthatthegovernment____________(take)effectivemeasurestoconserveChina'sculturalheritage．③Havingenoughfatandsaltinyourmealswillreducetheurge_______(snack)betweenmealsandwillimprovethetasteofyourfood．2．urgevt．敦促，催促；大力推薦，竭力主張；驅趕，鞭策

n．沖動，強烈的欲望an(should)taketosnack在那一刻，我感到極度尷尬，然而我頑強地抑制住了逃離舞臺的沖動。Iwasveryembarrassedatthatmoment,butI_____________________________．◎theurgetodosth做某事的沖動◎haveanurgetodosth渴望做某事◎urgesth/sbon催促某物/某人前進◎urgesbtodosth催促某人做某事◎urgethat...(should)dosth極力主張……做某事◎Itisurgedthat...(should)dosth堅決要求……做某事行為描寫foughttheurgetorunoffthestage◎urgehertoreconsiderherdecision勸說她重新考慮她的決定◎asuddenurgetoscream突然想大聲喊叫◎beurgedonbythecrowd受到觀眾的激勵①Morewindpowerstationswillspringuptomeetthedemand____cleanenergy．②Theworkershavedemanded____________(give)apayrise,threateningtogoonstrikeifthere'snoresponse．③Thebossdemandedthateveryone______________(attend)theceremonytobeheldtomorrow．3．demandvt．需要；強烈要求

n．要求，所需之物；需求，需要fortobegiven(should)attend(普通表達)HisnovelsaregreatlyneededafterhewontheNobelPrizeinLiterature．(高級表達)Hisnovels_________________afterhewontheNobelPrizeinLiterature．◎a/thedemandforsth對某物的需求◎bein(great)demand(迫切)需求◎demandtodosth要求做某事◎demandthat...(should)dosth要求……做某事◎demandingadj．要求高的；苛求的詞匯升級areingreatdemand◎meet/satisfythedemandfortalents滿足對人才的需求◎demandanapologyinpublic要求公開道歉◎aphysicallydemandingjob對體力要求極高的工作①There'sno________(deny)thatthecostoflivinghasbeenincreasingsharplyoverthepastdecades．②Americanwomen___________(deny)therighttovoteuntil1920aftermanyyearsofhardstruggle．③ThechairmanpubliclydeniedonWednesdayever________________________abribefromacompanylinkedtotheFederationofInternationalFootballAssociations．4．denyvt．否認，否定；拒絕承認，拒絕接受denyingweredeniedreceiving/havingreceived要堅持你的夢想。即便暫時受挫或被剝奪了實現(xiàn)目標的機會，也不能放棄。Sticktoyourdreams．Don'tgiveuponthemevenwhenyouaretemporarilydefeatedor______________________________________．◎denysth否認某事；拒絕……◎denysb

sth＝denysthtosb拒絕給予某人……◎deny(ever)doing/havingdonesth否認做過某事◎denythat...否認……◎There'snodenying(thefact)that...無可否認……◎Itcan'tbedeniedthat...無可否認……主題升華deniedtheopportunitytoachieveyourgoals◎denyallthechargesagainsthim否認對他的所有指控◎bedeniedaccesstoemploymentinbigcities無法在大城市就業(yè)◎denyevermakingsuchremarks否認說過這樣的話①Itisusuallyeconomicaltobuywashingpowder__largequantities．②(2020·新高考Ⅱ卷)Rainforestsarethelungsoftheplanet—storingvast__________(quantity)ofcarbondioxideandproducingasignificantamountoftheworld'soxygen．③Notonly___(be)thequantitiesofphytoplanktonintheoceanchanging,butthetypeofphytoplanktonischanging．5．quantityn．數(shù)量；大量inquantitiesare雞在長大到可以賣掉之前，會吃掉大把大把的玉米，而這些玉米是我父親用辛勤汗水換來的。Thechickenswill________________________boughtbythesweatofmyfather'sbrowbeforetheygrowbigenoughtosell．◎alarge/huge/vastquantityof大量的(后接不可數(shù)名詞或可數(shù)名詞的復數(shù)形式，作主語時，謂語動詞的單、復數(shù)與后面的名詞保持一致)◎large/huge/vastquantitiesof大量的(后接不可數(shù)名詞或可數(shù)名詞的復數(shù)形式，作主語時，謂語動詞用復數(shù))◎inlargequantities大量地場景描寫consumequantitiesofcorn◎asmallquantityoffood少量的食物◎hugequantitiesofinformationavailable大量可用的信息◎producecarsinlargequantities大批量地生產(chǎn)汽車①Hestoodonthesidewalk,hishands______(bury)inthepockets．②Shebegantosobagain,_______(bury)herfaceinthepillow．③Thoughtheideamaybedead,itisfarfrom___________(bury)．6．buryvt．埋藏；埋葬，安葬；覆蓋；遮蓋；使陷入buriedburyingbeingburied醒來后，吉姆發(fā)現(xiàn)自己躺在一片沙灘上，臉半埋在沙子里。Uponwakingup,Jimfoundhimselflyingonastretchofsandyshore__________________________________．◎bury...in...把……埋到……里；使……沉浸于……◎buryoneselfin/beburiedin(doing)sth埋頭于或專心于(做)某事◎applyoneselfto/devoteoneselfto/absorboneselfin(doing)sth專心于(做)某事形象描寫withhisfacehalf-buriedinthesand◎buryherfaceinherhands雙手掩面◎getburiedunderapileofpapers被壓在一堆文件下面◎learntoburyyourfeelings學會隱藏你的感情①(2023·浙江1月卷)Campershaveathree-hourmorningclassengaging_____amorningtheme(9a.m.to12noon)andaone-hourlunchbreak．②Astudyshowsthestudentswhoare_______(engage)inafter-schoolactivitiesarehappierthanthosewhoarenot．③Ourgamesareinteractive,________(engage)andfun,whichhelpskidsdevelopaloveoflearning．7．engagevt．&vi．吸引住(注意力、興趣)；雇用，聘用；與……建立密切關系withengagedengaging這片風景本身就很美麗，不知何故，因為這個女人參與其中而變得栩栩如生，充滿生氣。Thelandscape,beautifulonitsown,somehowcomestolifeandbreathesbecause____________________________．◎engage(sb/oneself)insth(使某人/自己)從事某事；參與某事◎engagewith...與……互動；與……建立密切關系；與……有關◎engagesbas...雇用某人當……◎engagedadj．占線的；忙碌的；從事……的；已訂婚的◎be/getengagedtosb與某人訂婚◎be/getengagedinsth參加某事；忙于某事◎engagingadj．令人愉快的；迷人的景物描寫thiswomanisengagingwithit◎continuetoengageinscientificresearch繼續(xù)從事科學研究◎beengagedasaconsultant受聘為顧問◎getengagedtoaprettygirl與一位漂亮姑娘訂婚①Iboughtanewtypeofmobilephone,whichwas___envyofallmycolleagues．②Agedpeoplearealways_______(envy)ofyoungpeople'senergyandenthusiasm．③Manypeopleenviedme_____(go)abroadforfurtherstudies,whichinfactwastochangemylife．8．envyn．&vt．羨慕，忌妒theenviousgoing想到她得到我媽媽那么多的關愛，一股嫉妒之情如潮水般涌上我的心頭。___________________________________________whenIthoughtofhowmuchaffectionshehadreceivedfrommymother．◎betheenvyofsb成為某人羨慕/嫉妒的對象；為某人所羨慕◎outofenvy出于嫉妒◎envysb

sth羨慕/嫉妒某人的……◎envysbdoingsth羨慕/嫉妒某人做某事◎enviousadj．羨慕的；妒忌的◎beenviousof...羨慕/嫉妒……心理描寫Awaveofenvycameflooding/sweepingoverme◎envyhimhisgoodlooks羨慕他長得英俊◎envyyouhavingaclosefamily羨慕你有一個親密的家庭◎betheenvyoftheworld令世人所羨慕①(2022·全國甲卷改)Butitwillbeanotheryear______babiesareabletodothesamewithlesssymmetrical(對稱的)shapes．②(2020·浙江1月卷)Itdidn'ttakelongbeforethey_______(walk)throughthefrontdoorcarryingabigbox．③Isuppose__won'ttakesometimebeforewecompletethewholeproject．9．[教材原句]Itwon'tbelongbeforevirtualmuseumsandinteractivethree-Dexhibitionsbecomecommon．不久之后，虛擬博物館和交互式三維展覽就會變得普遍起來。beforewalkedit幾個月后，這座城市才恢復正常。①___________________________thecityreturnedtonormal．(take)②________________________________thatthecityreturnedtonormal．(notuntil)Itwon'tbesometimebefore...是固定句式，意為“過不了多久就會”。類似的句式還有：Itwassometimebefore...一段時間之后才；Itwasnotsometimebefore...沒過多久就；Itwillbesometimebefore一段時間后才會；Ittakes/took/willtakesometimebefore...多長時間才……。注意與下面這個句式的區(qū)別：Itis/hasbeensometimesince自從……以來已有多久了；已有多久沒……。一句多譯IttookseveralmonthsbeforeItwasnotuntilseveralmonthslaterItwilltake100yearsbeforethecountrybeginsonceagaintolookasitdidbefore．得過100年的時間鄉(xiāng)村的景色才會再現(xiàn)原有的風采。Ⅰ．用所給詞的正確形式填空1．____________(commit)toscientificresearch,hecouldn'taffordaholiday．2．HowIenviedthem________(take)anextradayoffsothattheycouldgotoDisneyland!3．Itwasurgedthatalllibraries________(keep)openduringtheweekend,butnoneresponded．三層

強基固本·達標訓練Committedtakingbekept4．Somecustomersdemanded___________(show)theproduct'swarrantybeforemakingthepurchasedecision．5．Withsomanyminers______(bury)underthemine,noneoftherescueworkerswouldstoptohavearest．6．ManufacturingisCanada'smostimportanteconomicactivity,________(engage)17percentoftheworkforce．7．InLibya,conflicthaspushedmillionsofchildrenoutoftheirhomesandschoolsanddenied_____(they)accesstobasicservices．8．Anewcommoditybringsaboutahighlyprofitable,fast-growingindustry,______(urge)thegovernmenttokeepitunderclosesupervision．tobeshownburiedengagingthemurgingⅡ．在空白處填入一個適當?shù)脑~1．Apparently,Bettywasenvious__hersister'snewfashionabledress．2．LastweekKategotengaged__anAmerican,whowassaidtobethesonofabillionaire．3．Noneedtoworryabouthim．Itwon'ttakelong______headaptstothenewenvironment．4．Whilethemodellingbusinessisbynomeanseasytogetinto,thegoodmodel,maleorfemale,willalwaysbe__demand．5．(2020·天津卷)Justafewdaysafterthesignswentup,hefoundpeoplesittingthereandengaging__activeandjoyfulconversations．oftobeforeininⅠ．用所給詞的正確形式填空1．Wouldthinkingmachinesworkalongsidehumansorthreatenthe_________(exist)ofhumans?2．Howwouldtheybepunishedifthey___________(commit)crimesorevenmurderedhumans?3．WhenyouwearaVRheadset________(equip)withsensorsandascreen,youaresurroundedbythethree-Dimages,soundsandothersensoryinformation．existencecommittedequipped4．Bydeliveringthecontentina___________(meaning)way,thisnewapproachmanagestoengagestudents'interest．5．____________(consider)therearesomanychallengestodealwith,areyoustilloptimisticaboutthefutureofVR?6．Aswebecomemoredependentoncomputers，somescientistsareurgingustothinkaboutthedangers_______(pose)bytheadvancesinAI．meaningfulConsideringposedⅡ．在空白處填入一個適當?shù)脑~1．Giventherate__whichartificialintelligenceisbeingdeveloped,inthefuturesuchdreamsmayactuallycometrue．2．Toachievethisaim,manyapproaches__creatingtrueAIhavebeenputforward,including“deeplearning”．3．AIenthusiastspromiseusabrightfuturewhereintelligentrobotswillbeworking__ouradvantage．4．Ourtimeisrichininventiveminds,theinventionsof______couldmakeourlivesconsiderablyeasier．5．_____excitesmethemostisthatyoungpeopletodayaredigitalcitizenswhoarecomfortablewithtechnology．a(chǎn)ttotowhichWhatⅠ．熟詞生義(選出黑體詞在句中的漢語意思)1．(2021·全國乙卷)Infactplentyofyoungerkidshaveoneintheirpocket．Practicallyeveryonecanmakeandreceivecallsanywhere，anytime．___A．從實際出發(fā) B．實際上 C．幾乎，差不多C2．(2017·江蘇卷)Buthequicklyfoundthathelovedplayingthisinstrument，andwascommittedtopracticingitsothatwithinacoupleofmonthshewasplayingreasonablywell． ____A．犯(罪) B．全身心投入 C．承諾，保證3．(2020·天津7月卷)Together,thesedeephumanurgescountformuchmorethatambition． ____A．強烈的欲望 B．鞭策 C．竭力主張BAⅡ．長難語句(分析句子的結構并翻譯成漢語)1．(2022·全國乙卷)TheGovernment'ssugartaxonsoftdrinkshasbroughtinhalfasmuchmoneyasMinistersfirstpredicteditwouldgenerate,thefirstofficialdataonthepolicyhasshown．化繁為簡

本句是一個復合句，可簡化為：The...tax...hasbroughtinhalfasmuchmoneyasMinistersfirstpredicted...。句子的后一部分實為主句，前一部分是____從句，作hasshown的賓語。另外，句子用了halfasmuch...as...句型，意為“是……的一半多”，第二個as引出的是一個____從句，其中的itwouldgenerate是____從句，作predicted的賓語。[嘗試翻譯]

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該政策的第一份官方數(shù)據(jù)顯示，政府對軟飲料征收的糖稅所產(chǎn)生的收入只有部長們最初預計的一半。賓語狀語賓語2．(2022·全國甲卷)Goffin'scockatoos,akindofsmallparrotnativetoAustralasia,havebeenshowntohavesimilarshape-recognitionabilitiestoahumantwo-year-old．化繁為簡

本句是一個簡單句，可簡化為：...cockatoos...havebeenshowntohavesimilar...abilitiesto...。句中的akindofsmallparrotnativetoAustralasia是cockatoos的______，其中nativetoAustralasia是形容詞短語作后置____修飾parrot。另外，shown此處意為“被證明”，后接動詞不定式；similarto...意為“與……相似”。[嘗試翻譯]

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戈芬氏鳳頭鸚鵡是一種原產(chǎn)于澳大拉西亞的小鸚鵡，已被證明具有與兩歲兒童相似的形狀識別能力。同位語定語Facialrecognitiontechnology,withitscapacity1．_________(analyse)hugequantitiesofdata,hascomeintowidespreaduse．Itworksbycomparingthefacialfeaturesofgivenimageswith2．_____storedinadatabase．Itoffersaquickandcoolalternativetotraditionalpasswords,asonecannotforgettheirownface!Intheory,networksthatuseourownbodiesaspasswordsshouldalsobesaferfromhackersand3．______(well)protectusfromidentitytheftthanthosethatusetraditionalpasswords,mainlybecauseeveryindividualisunique．Thistechnologyis4．__________(especial)usefulinpublicplaces:banks,airportsandrailwaystations,tonamebutafew．三維

提能培優(yōu)·進階訓練toanalysethosebetterespeciallyHowever,there'sno5．________(deny)thatfacialrecognitiontechnologyhasalsocausedsomeproblems．Expertshavebeengiving6．_________(warning)aboutthistechnology,sayingthatfacialrecognitionmaynotbe7．_____reliableasweassume．Moreover,thereisgrowingconcernthatwemightfallvictimtothistechnology．Ontheonehand,someonecanexploitthistechnologytocommit8．_________(finance)crimes．Ontheotherhand,thistechnologymayposeathreattothe9．______(user)privacy．Scientistsandengineershavebeenurgedtoimprovetheexistingtechnologytoensureitsreliability10．_________happens．Apparently,thistaskwillbetoughandtime-consuming．denyingwarningsas/sofinancialuser'swhateverStep1．單句寫作(利用本單元知識補全所給英文句子)①荒漠化已經(jīng)成為所有國家關注的重大全球問題。Desertificationhasemergedas_________________________forallnations．②不可否認，這個問題歸根結底是人類的過度貪婪。_____________________thisproblemmay___________excessivehumangreed．③為了滿足對更多財富的需求，人類一直在大量非法砍伐樹木。________________________greaterwealth,humanshavebeen___________________________________________．a(chǎn)significantglobal