2023學年完整版Unit2Workingtheland同步練習2

Unit2Workingtheland同步練習時間：120分鐘，滿分：150分第一部分：聽力(共兩節(jié)；滿分30分)第二部分：基礎(chǔ)知識運用(共兩節(jié)，滿分45分)第一節(jié)：單項填空(共15小題；每小題1分，滿分15分)從題中所給的A、B、C、D四個選項中選出一個最佳答案。21．—IheardJohnsonwasbadlyinjuredintheaccident.—________，let'sgoandseehim.A．What'smore B．IfsoC．Wherepossible D．Whennecessary答案：B考查情景交際。what'smore“此外，而且”；ifso“如果這樣的話”；wherepossible無意義；whennecessary“當必要的話”。句意：——我聽說約翰遜在事故中嚴重受傷了。——如果這樣的話，我們?nèi)タ纯此?。故選B項。22．Hewastoldtotakethemedicine________hours.A．everyother B．everyfifthC．everyfew D．everyafew答案：C考查every“每……”的用法?！懊俊钡谋磉_為：everyother＋單數(shù)名詞；every＋序數(shù)詞＋單數(shù)名詞；故排除A、B兩項。表示“每隔幾……”；用everyfew＋名詞復數(shù)，few前不加a。句意為“他被告知每隔幾個小時就吃一次藥”。故選C項。23．Thelabisequipped________alotofmodernequipmentformedicalexperiments.A．by B．withC．from D．to答案：B考查短語搭配。beequippedwith...“裝備有……，配備有……”。句意為“實驗室配備有很多用來醫(yī)學實驗的現(xiàn)代化的設(shè)備”。故選B項。24．Intheolddays,poverty________somanypeopletobegginginthestreet.A．reduced B．forcedC．led D．caused答案：A考查動詞在具體語境中的使用。reducesb./sth.to(doing)sth.“迫使某人/某事陷入(不佳)狀態(tài)”；forcesb.todo“強迫某人做”；causesb.todo“叫某人做”；leadsb.todo“使某人做”。句意為“在過去的日子里，貧窮使很多人在街上乞討”。故選A項。25．Lotsofwastehasbeendumpedintotheriver,whichhasledto________.A．lotsoffishhavingkilled B．killlotsoffishC．lotsoffishbeingkilled D．lotsoffishtokill答案：C考查非謂語動詞。leadto“導致”，后接名詞或動名詞，排除B項，又因此處表示“魚被殺”，可排除A、D兩項；C項動名詞的被動式符合句意。句意為“很多廢物被排放到了河里，這導致很多魚被殺死了”。故選C項。26．(2012·天津)Hegotuplateandhurriedtohisoffice,________thebreakfastuntouched.A.left B.toleaveC.leaving D.havingleft答案：C本題考查非謂語動詞的用法。句意：他起床晚了，急急忙忙去辦公室，結(jié)果早飯一點沒動?，F(xiàn)在分詞作結(jié)果狀語表示自然而然的結(jié)果；不定式作結(jié)果狀語表示出乎意料的結(jié)果，故C項正確。27．Thereisnopointarguingaboutwhat________theaccident.Thepointiswhattodowiththevictimsofit.A．ledto B．causedtoC．a(chǎn)ccountedto D．resultedfrom答案：A考查動詞詞組在具體語境中的使用。leadto“導致，造成”；causeto和accountto搭配錯誤；resultfrom“由……引起”。句意為“爭論什么造成了這次事故沒有意義，重要的是如何對待受害者”。故選A項。28．Ifonewantstomakeadifference,he'dbetter________himselfofbadhabits.A．rid B．makeC．keep D．get答案：A考查動詞在具體語境中的使用。rid“擺脫，除去”，rid...of“擺脫，除去”；make“使，讓，制造”；keep“保持，使”；get“得到；到達，使”。句意為“如果一個人想有所轉(zhuǎn)變，他最好是除去一些壞習慣”。故選A項。29．________，Ifailedinthedrivingtest.A．Tomyjoy B．TomysadC．Tomyhappy D．Tomyregret答案：D考查短語在具體語境中的使用。toone'sjoy“令某人高興的是”；toone'sregret“令人遺憾的是”；tomysad與tomyhappy結(jié)構(gòu)錯誤，my后應接名詞。句意為“令我失望的是，在駕駛考試中我沒過關(guān)”。故選D項。30．Everythingisgoodwithyourcompositionexceptthatitisalittlebitshort.Please________it.A．explore B．expressC．expand D．explain答案：C考查動詞在具體語境中的使用。explore“開發(fā)”；express“表達”；expand“伸展，使變大”；explain“解釋”。句意為“你的作文很好，但是篇幅短了一些，請把它擴展一下”。故選C項。31．Yourshirtneeds________.You'dbetterhaveitdonetoday.A．iron B．toironC．ironing D．beingironed答案：C考查非謂語動詞。need表示“需要”，物作主語，后面接doing/tobedone形式。句意為“你的襯衫需要熨了，你最好今天就熨熨它”。故選C項。32．Theysucceededinkillingpestswhichcamefromtheforeigncountries________alotofhardwork.A．a(chǎn)ccordingto B．thankstoC．inmemoryof D．inadditionto答案：B考查詞組在具體語境中的使用。accordingto“根據(jù)”；thanksto“多虧，由于”；inmemoryof“紀念”；inadditionto“除……之外”。句意為“由于不懈的努力，他們成功地消滅了來自國外的害蟲”。故選B項。33．Hegavemetoomanydifferentexplanations,whichmademe________.A．confusing B．confusionC．confused D．confusedness答案：C考查形容詞的用法?！皐hichmademe______”缺少賓語補足語，表狀態(tài)，故排除B、D兩項；confusing“令人困惑的”；confused“困惑的”。句意為“他給了我很多不同的解釋，這讓我很困惑”。故選C項。34．________causedtheaccidentisstillacompletemystery.A．What B．HowC．Where D．That答案：A考查名詞性從句。“________causedtheaccident”在題目中作主語，為主語從句，缺少引導主語從句的連詞，并且連詞在從句中作cause的主語，這樣只有what符合句意。句意為“是什么引起了事故仍然完全是個謎”。故選A項。35．Heisalwaysconcernedwiththefarmersand________hehasdonatedonemillionyuantotheearthquake-hitvillagers.A．secondly B．howeverC．exactly D．therefore答案：D考查副詞在具體語境中的使用。secondly“第二，其次”；however“然而，可是”；exactly“確實如此，正是，確切地”；therefore“因此，所以，因而”。句意為“他總是牽掛農(nóng)民，因此他捐給地震災區(qū)村民100萬元人民幣”。故選D項。第二節(jié)：完形填空(共20小題；每小題分，滿分30分)閱讀下面短文，理解大意，從題中所給的A、B、C、D四個選項中選出一個最佳答案。(2013·新課標Ⅰ)Iwenttoagroupactivity,“SensitivitySunday”，whichwastomakeusmore__36__theproblemsfacedbydisabledpeople.Wewereaskedto“__37__adisability”forseveralhoursoneSunday.Somemembers，__38__chosetousewheelchairs.Othersworesound-blockingearplugs(耳塞)orblindfolds(眼罩)．Justsittinginthewheelchairwasa__39__experience.Ihadneverconsideredbeforehow__40__itwouldbetouseone.AssoonasIsatdown,my__41__madethechairbegintoroll.Itswheelswerenot__42__.ThenIwonderedwheretoputmy__43__.Ittookmequiteawhiletogetthemetalfootrestinto__44__.Itookmyfirstuneasylookatwhatwastobemyonlymeansof__45__forseveralhours.Fordisabledpeople,“adoptingawheelchair”isnotatemporary(臨時的)__46__.Itriedtofinda__47__positionandthoughtitmightberestful,__48__kindofnice,tobe__49__aroundforawhile.Lookingaround,I__50__wouldhavetohandlethethingmyself!MyhandsstartedtoacheasI__51__theheavymetalwheels.Icametoknowthatcontrollingthe__52__ofthewheelchairwasnotgoingtobea(n)__53__task.Mywheelchairexperimentwassoon__54__.Itmadeadeepimpressiononme.Afewhoursof“disability”gavemeonlyatasteofthe__55__，bothphysicalandmental,thatdisabledpeoplemustovercome.文章大意：本文記敘了作者參加“SensitivitySunday”這一活動，體驗到了殘疾人的艱辛和無助。36．a(chǎn)bout B．interestedinC．a(chǎn)wareof D．carefulwith答案：Ccuriousabout對……好奇；interestedin對……感興趣；awareof意識到；carefulwith當心、小心。句意：他、這一活動目的是使我們意識到殘疾人面對的問題。故B項正確。37． B．preventC．a(chǎn)dopt D．a(chǎn)nalyze答案：Ccure治愈；prevent阻止；analyze分析；adopt保持(姿勢)。此處表示在這幾個小時里，保持殘疾的樣子，故C項正確。38． B．strangelyC．a(chǎn)susual D．likeme答案：Dsome...others...一些人……；另一些人……句意：像我一樣的人選擇使用輪椅，另一些人戴阻止聲音的耳塞或眼罩。39． B．workingC．satisfying D．relaxing答案：Alearning學習；working工作；satisfying令人滿意的；relaxing放松的。此處表示坐在輪椅里，充當殘疾人也是一學習經(jīng)歷。40． B．a(chǎn)wkwardC．boring D．exciting答案：Bconvenient方便的；awkward笨拙的，不靈活的；boring單調(diào)的，乏味的；exciting使人興奮的，令人激動的。句意：以前從來沒有想過坐輪椅是多么的不靈活。41． B．forceC．skill D．weight答案：Dheight身高；force力，武力；skill技能，技巧；weight重量，體重。我一坐上輪椅，我的體重就使的輪椅開始滾動。42． B．repairedC．powered D．grasped答案：A有上文可知，輪椅滾動，證明輪椅輪子沒鎖，故A項正確。43． B．feetC．keys D．handles答案：B由后面的footrest可知，此處表示我不知道把腳放在那里。44． B．a(chǎn)ctionC．play D．effect答案：Aoplace使……就位。句意：我花了好長一段時間才把腳放進腳蹬里。45． B．communicationC．transportation D．production答案：Coperation操作，經(jīng)營；手術(shù)；communication通訊，通信；交流；transportation運輸工具，運輸，交通；production生產(chǎn)，制作。句意：在這幾個小時里我第一次不安地看我唯一的交通手段是什么樣的。故C項正確。46． B．educationC．experiment D．entertainment答案：Cexploration探測，勘探，探險； education教育；教育學；experiment實驗，試驗；嘗試；entertainment娛樂，消遣。句意：對殘疾人來說，坐輪椅不是臨時的嘗試。47． B．safeC．starting D．comfortable答案：Dflexible 靈活的；易彎曲的；safe安全的；starting出發(fā)，開始；comfortable舒適的，安逸的。在輪椅里，我設(shè)法找個舒服的位置。48．A.yet B．justC．still D．even答案：D此處表示加強語氣，前面有restful，讓人得到休息的，后面進一步說“甚至有點好”，故D項正確。49． B．pushedC．driven D．guided答案：B坐在輪椅里，讓人推著，故B項正確。50． B．suggestedC．a(chǎn)greed D．a(chǎn)dmitted答案：A環(huán)顧四周，沒找到人推我，所以我意識到只有自己轉(zhuǎn)輪椅了。故A項正確。51． B．turnedC．pressed D．seized答案：Blift舉起；提升；turn轉(zhuǎn)動；press壓，按；seize抓住。由上一句話的handle可知，此處用turn。52． B．positionC．direction D．way答案：C控制輪椅方向也不是一件容易事，故C項正確。53．A.easy B.heavyC.major D.extra答案：A見上題解析。54． B．repeatedC．conducted D．finished答案：D幾個小時的坐輪椅嘗試很快就結(jié)束了，但給我留下了很深的印象。故D項正確。55．A.weaknesses B.challengesC.anxieties D.illnesses答案：Bweaknesses缺點；challenges挑戰(zhàn)；anxieties焦慮；illnesses疾病。由后面overcome可知是克服“挑戰(zhàn)”。第三部分：閱讀理解(共20小題；每小題2分，滿分40分)閱讀下面的短文，從每題所給的四個選項(A、B、C、D)中，選出最佳選項。AScientistsaretryingtomakethedesertsintogoodlandagain.Theywanttobringwatertothedeserts,sopeoplecanliveandgrowfood.Theyarelearningalotaboutthedeserts.Butmoreandmoreearthisbecomingdesertsallthetime.Scientistsmaynotbeabletochangethedeserts.Scientiststhinkthatpeoplemakedeserts.Peoplearedoingbadthingstotheearth.Someplacesontheearthdon'tgetverymuchrain.Buttheystilldon'tbecomedeserts.Thisisbecausesomegreenplantsaregrowingthere.Smallgreenplantsandgrassareveryhelpfultodryplaces.Plantsdon'tletthehotsunmaketheearthevendrier.Plantsdon'tletthewindblowtheearthaway.Whenalittlebitofrainfalls,theplantsholdthewater.Withoutplants,thelandcanbecomeadesertmuchmoreeasily.文章大意：由于土地沙漠化，農(nóng)田面積在減少，如何使沙漠變良田，植被作用至關(guān)重要?？茖W家們正在為此努力。56．Smallgreenplantsareveryimportanttodryplacesbecause________.A．theydon'tletthesunmaketheearthevendrierB．theydon'tletthewindblowtheearthawayC．theyholdthewaterD．a(chǎn)lloftheabove答案：D細節(jié)理解題。由原文第二段內(nèi)容可知，A、B、C三項均可，所以選擇D項。alloftheabove表示“以上所有的(選項)”。57．Whichisthemainideaofthefirstparagraph?A．Scientistsknowhowtochangedesertsintogoodland.B．Landisbecomingdesertsfasterthanscientistscanchangeitbackintogoodland.C．Ifscientistscanbringwatertodeserts,peoplecanliveandgrowfoodthere.D．Moreandmoreplacesarebecomingdesertsallthetime.答案：B段落大意題。由第一段和現(xiàn)實可知，土地沙漠化的速度要比科學家盡力使沙漠變良田的速度快，B項完整。其他三個選項都很片面，不能概括整個段落的含義。58．Afterreadingthispassage,welearnthat________.A．plantscankeepdrylandfrombecomingdesertsB．itisgoodtogetridofthegrassinthedesertsC．a(chǎn)llplaceswithoutmuchrainwillbecomedesertsD．itisbettertogrowcropsondrylandthantogrowgrass答案：A推理判斷題。由文章可知，植被對控制土地沙漠化起主要的作用，A項正確。其他三個選項不符合文意。BCanbetterfoodcreatebetterpeople?Thisisthetrueideathatisdrivingthedevelopmentoftoday'sfarmingquickly.Thefuturefoodisthebestfood.Scientistswillputreal-timesensorsintoourbodiesthatcanreadtheinformationofwhatourbodiesneed.Apersonalhealthsystemwillbeabletostudytheinformationthatthesensorprovidesbeforemakingafoodorder.Thentheorderwillgotothelocalfoodsupplier，whowillgetintouchwiththefoodmakeronthefarm.Theentiresupplywillbecontrolledbycomputeraccordingtotheneedsoftheenduser.Foodfromrestaurantswillcomeinoveramillionkinds.Customerswillbeabletoorderthefoodthatisreallygoodfortheirhealth.By2050,afarmwillusetechnologiesthatwillleavetoday'sfarmingfarbehind.Afarm,asshownbyDespommier,afarmingscientist，willbea30-storey-tallbuildingandusedtogrowplantswithoutsoil.Thefarmsofthefuturewillgrowhalf-plant,half-animalproducts,andpeoplewillbeabletocontrolnature.Specialcropswillbegrowninthiscontrolledspecialspace,suchasshortstalkcorn,personalizedfruitsandvegetables.Besidesgrowingfood,newwayswillbefoundto“grow”products.Wewillalsobeabletocontrolplantsinotherways.Forexample,wewillsomedaybeableto“train”atreetogrowitsbranchesintotheshapeoftables,coffeetables,chairs,orrockingchairs.Oncetheseunusualbranchesarefullygrown，farmerscanwalkuptothetreeandharvesttherockingchairsbycuttingthemoff,whichisthesameasharvestingapplesorpears.Theentireproductionareainthefuturewillbemanagedbyarobotthattravelsupanddowndoingallthenecessaryjobsofplanting,weeding,watering,andharvesting.59．Thereal-timesensorsinourbodieswillfindout________.A．whatwelikeandwhatwehateB．whetherwearehealthyornotC．howmuchfoodweneedD．whatfoodourbodiesneed答案：D細節(jié)理解題。根據(jù)第二段“Thefuturefoodisthebestwillputreal-timesensorsintoourbodiesthatcanreadtheinformationofwhatourbodiesneed.”可知應選D項。60．Thefoodordergoestothelocalfoodsuppliersothat________.A．theneedsoftheenduserwillbewellmetB．thefoodsupplierwillnotwasteanymoneyC．thefoodmakerwillknowhowtogrowplantsD．thefoodsupplierwillknowwhathealthyfoodis答案：A細節(jié)理解題。根據(jù)第二段“Thentheorderwillgotothelocalfoodsupplier...accordingtotheneedsoftheenduser.”可知需要什么食物的信息最終傳遞到食物生產(chǎn)者那兒，目的是滿足最終用戶的需要。故選A項。61．WhatcanweinferfromParagraph3?A．Cropswilltakelongertogrowby2050.B．Inthefuture，therewillbenoanimalproducts.C．Cropsinthefuturewillbeverydifferentfromtoday's.D．Cropsinthefuturewillgrowwithoutsunshine,water,orsoil.答案：C推理判斷題。根據(jù)第三段的首句和最后兩句可推斷未來的農(nóng)作物和我們現(xiàn)在農(nóng)場的農(nóng)作物會有很大的不同。62．Whatdoestheexampleofproducingchairsontreesshow?A．Nofurniturewillbemade.B．Humanscancontrolplants.C．Treescanproduceeverything.D．Fruitwillbeintheshapeoftables.答案：B推理判斷題。根據(jù)第四段第二句“Wewillalsobeabletocontrolplantsinotherways.”及后面的舉例可知，那個例子是用來表明我們可以控制植物的。CNearlyallourfoodcomesfromthesoil.Someofuseatmeat,ofcourse,butanimalsliveonplants.Iftherewerenoplants,wewouldhavenoanimalsandnomeat.Sothesoilisverynecessaryforlife.Thetopofthegroundisusuallycoveredwithgrassorotherplants.Theremaybedeadleavesanddeadplantsonthegrass.Thewastematter(糞)fromanimalsalsofallsonit.Allsoilneedsfood.Ifwedonotgiveitany,theplantswillbeweak.Farmersfoundthatanimals'wasteisthebestfoodforthesoil,butchemicalfertilizers(化肥)arealsoveryuseful.Thesamecropshouldnotbegrowninthesameplaceeveryyear;it'sbettertohaveadifferentcrop.Achangeofcropandtheuseofagoodfertilizerwillkeepthelandgood.文章大意：本文為議論文，文章認為幾乎所有的食物都來自土壤，而土壤同樣需要食物，并對此給出了重要的見解。63．Whatwouldhappenfirstwithoutplants?A．Peoplewouldhavemorecrops.B．Animalswoulddie.C．Therewouldbemorefood.D．Therewouldbelesssoil.答案：B細節(jié)理解題。由第一段第三句“Iftherewerenoplants，wewouldhavenoanimalsandnomeat.”可知如果沒有了植物，我們就沒有了動物和肉類，B項符合語境。64．Whatdoesthewritertellusinthefirstparagraph?A．Leaves,plants,grassandwasteliveoneachother.B．Therewouldbenoanimalswithoutmeat.C．Therewouldbenoplantswithoutanimals.D．People,animals,plantsandsoilliveoneachother.答案：D段落大意題。第一段主要講人、動物、植物和土壤的生存彼此依賴，互相聯(lián)系，故選D。65．Whichisthebestfoodforsoilinthefield?A．Chemicalfertilizers. B．Plantsandgrass.C．Animals'waste. D．Differentcrops.答案：C細節(jié)理解題。由第二段第三句“Farmersfoundthatanimals'wasteisthebestfoodforthesoil...”可知選C。66．Whydoweoftengrowadifferentcropinthesameplaceeveryyear?A．Becausewecankeepthesoilrichthisway.B．Becausewedon'thaveenoughland.C．Becausewewanttohaveadifferentfood.D．Becausewedothisasahabit.答案：A細節(jié)理解題。由第二段最后一句“Achangeofcropandtheuseofagoodfertilizerwillkeepthelandgood.”可知本題答案為A。DOrganicfoodisverypopular.Itisalsoexpensive.Someorganicfoodcoststwiceasmuchasnon-organicfood.Someparentsandpetownerspayupto200percentmorefororganicfoodwhilesomepeoplethinkorganicfoodisawasteofmoney.Thereisonemaindifferencebetweenorganicandnon-organicfood.Organicfarmsdonotuseagriculturalchemicals,suchaspesticides(殺蟲劑).Thisguaranteesthattheproductsarenatural.Somepeoplethink“organic”means“l(fā)ocallygrown”.Originallythiswastrue.Overtimeorganicfarmingbecamemoredifficult.Thedemandfororganicfoodgrewlargerthanthesupply.Smallcompanieshadtosellouttolargecompanies.Thereweren'tenoughorganicmaterials.Thismadeitdifficultformanyorganiccompaniestostayinbusiness.Today,manylargecompanieshaveanorganiclineofproducts.Isorganicfoodmorenutritious(有營養(yǎng)的)?Thisispartofthedebate.Manyfarmersandconsumers(消費者)believeitis.Theythinkagriculturalchemicalscausehealthproblemssuchascancer.Manyhealthprofessionalsdisagree.Fewstudiesprovethatorganicfoodpreventshealthproblems.Healthspecialistsworrymoreaboutbacteria.Thesecancomeintocontactwithorganicandnon-organicfood.Doctorsrecommendwashingproduceverycarefully.Mostpeopleagreethatnaturally-grownfoodtastesbetter.Istastierfoodworththeextramoney?Thisisamatterofopinion.Whetheritishealthierornotmayrequiremoreresearch.However,organicfoodconsumersargueitisbettertobesafethansorry.文章大意：文章分段討論了人們在有機食物的價格、有機食物是否更有營養(yǎng)等方面持有的不同觀點。67．Itcanbeinferredfromthepassagethat________.A．organicfarmingisbetterfortheenvironmentB．organicfoodishealthierthannon-organicfoodC．theauthorbelievesorganicfoodismorenutritiousD．parentsoftencomplainaboutthehighpricesoforganicfood答案：A推理判斷題。根據(jù)第二段第二句中的“Organicfarmsdonotuseagriculturalchemicals”可以推斷，有機耕作相對來說更環(huán)保。68．WhatdoestheauthorpointoutinParagraph3?A．Mostorganicfoodislocallygrownnowadays.B．Organicfarmingonceexperiencedadifficultperiod.C．Organicfoodtastesbetterthannon-organicfood.D．Organiccompaniesfinditdifficulttoearnmoney.答案：B細節(jié)理解題。根據(jù)第三段第三句到第七句可知，有機原料不足，小型的有機農(nóng)場被迫轉(zhuǎn)讓給大型的有機農(nóng)場。有機農(nóng)業(yè)在發(fā)展過程中經(jīng)歷過一段困難時期。69．Whatcanwelearnfromthepassageabouthealthexperts?A．Theybelieveorganicfoodpreventshealthproblems.B．Theyconsiderorganicfoodawasteofmoney.C．Theydon'tsharemanyconsumers'views.D．Theyrecommendeatingorganicfood.答案：C細節(jié)理解題。根據(jù)倒數(shù)第二段可知，許多消費者認為有機食物更有營養(yǎng)，但許多健康專家不同意這一觀點，所以選C項。70．Inmanyconsumers'opinion,organicfoodisbetterforthefollowingreasonsEXCEPT________.A．beinghealthierB．beingmorebeautifulC．beingtastierD．beingmorenutritious答案：B細節(jié)理解題。根據(jù)最后兩段可知，樂于購買有機食物的消費者認為有機食物更有益健康、更富含營養(yǎng)成分、更美味，文章并沒有提到有機食物的外形問題，因此選擇B項。EInvesting(投資)inagriculturalresearchanddevelopmentcanhelppoorcountriesfighthungerandpoverty.Anewstudysaysinvestmentsinsub-SaharanAfricaincreasedbymorethantwentypercentbetween2001and2008.However,thestudyalsofoundthatjustafewcountrieswereresponsibleformostofthatgrowth.Nigeriawasresponsibleforone-thirdofit.Ghana,Tanzania,SudanandUgandaalsoincreasedtheirspending,but13countriesreducedtheirinvestments.NienkeBeintemafromtheWashington-basedInternationalFoodPolicyResearchInstituteledthestudy.Shesaysnewtechnologiesareneededtodealwithsomeofthecausesofhunger.Shesaid,“Changesinfoodprice,growingpopulation,watershortageandclimatechangecreatethedemandforbettertechnologiesordifferenttechnologiestoaddresstheseissues.”Shesayssomecountries,includingNigeria,haveenhancedtheirinvestmentsafterspendingfartoolittleinthepast.NigerianowhasthelargestagriculturalresearchsystemsouthoftheSahara.Thatisonemeasureofprogress.ButNienkeBeintemasaysabettermeasureisthatacountryspendsmorethanonepercentofitsagriculturalmoneyonresearch.Andin2008,shesays,Nigeriawasnotdoingthat.Botswana,Burundi,Kenya,MauritaniaandMauritiuswerespendingmorethanonepercent.SowereNamibia,SouthAfricaandUganda.MsBientemaexaminedlevelsoffinancingandemploymentat370researchcentersin32countries.Shebelievesmostcountriesdependtooheavilyoninternationaldonationstohelppayforresearch.Manydonationsareshort-term,shesays,andtheresearchoftenendswhenthemoneyhasbeenspent.MsBientemasayscountriesmustimprovetheirhighereducationsystemstoturnoutmorequalifiedresearchers.Butthestudyhasfoundthatnewresearchersarenotbeinghiredinsomecountriesbecauseofbudget(預算)problems.Atthesametime,manyolderresearchersarenearingretirementage.文章大意：非洲很多國家在農(nóng)業(yè)研究方面的投資還很少。71．Whatisthemainideaofthispassage?A．PoorAfricancountriesarelookingfordonations.B．ManyAfricancountriesaresufferingfromhungerandpoverty.C．ManyAfricancountriesarenotinvestingenoughinagriculturalresearch.D．PoorAfricancountrieshavenowaytofightagainsthungerandpoverty.答案：C主旨大意題。通讀全文，可知文章雖然講到了非洲一些國家增加了在農(nóng)業(yè)研究方面的投資，但側(cè)重點還是講投資太少，故選C。72．WecaninferNienkeBeintemahopesthat________.A．nointernationaldonationswillbeprovidedforAfricancountriesB．moremoneywillbespentindevelopingnewtechnologiesinAfricaC．someAfricancountrieswillreduceinvestmentsinagri-culturalresearchD．researcherswillspendmoretimeinfindingthecausesofhungerinAfrica答案：B推理判斷題。根據(jù)NienkeBeintema在第二段所說的“Changesinfoodprice,growingpopulation,watershortageandclimatechangecreatethedemandforbettertechnologiesordifferenttechnologiestoaddresstheseissues.”可推斷她希望增加研發(fā)新技術(shù)的投資。73．Whatdoestheunderlinedword“enhanced”inParagraph2mean?A．Changed. B．Increased.C．Checked. D．Removed.答案：B詞義猜測題。根據(jù)畫線詞后面