2023學(xué)年完整版Unit2Workingtheland同步練習(xí)2

Unit2Workingtheland同步練習(xí)時(shí)間：120分鐘，滿分：150分第一部分：聽(tīng)力(共兩節(jié)；滿分30分)第二部分：基礎(chǔ)知識(shí)運(yùn)用(共兩節(jié)，滿分45分)第一節(jié)：?jiǎn)雾?xiàng)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(gè)選項(xiàng)中選出一個(gè)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(wú)意義；whennecessary“當(dāng)必要的話”。句意：——我聽(tīng)說(shuō)約翰遜在事故中嚴(yán)重受傷了?！绻@樣的話，我們?nèi)タ纯此?。故選B項(xiàng)。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_(dá)為：everyother＋單數(shù)名詞；every＋序數(shù)詞＋單數(shù)名詞；故排除A、B兩項(xiàng)。表示“每隔幾……”；用everyfew＋名詞復(fù)數(shù)，few前不加a。句意為“他被告知每隔幾個(gè)小時(shí)就吃一次藥”。故選C項(xiàng)。23．Thelabisequipped________alotofmodernequipmentformedicalexperiments.A．by B．withC．from D．to答案：B考查短語(yǔ)搭配。beequippedwith...“裝備有……，配備有……”。句意為“實(shí)驗(yàn)室配備有很多用來(lái)醫(yī)學(xué)實(shí)驗(yàn)的現(xiàn)代化的設(shè)備”。故選B項(xiàng)。24．Intheolddays,poverty________somanypeopletobegginginthestreet.A．reduced B．forcedC．led D．caused答案：A考查動(dòng)詞在具體語(yǔ)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(qiáng)迫某人做”；causesb.todo“叫某人做”；leadsb.todo“使某人做”。句意為“在過(guò)去的日子里，貧窮使很多人在街上乞討”。故選A項(xiàng)。25．Lotsofwastehasbeendumpedintotheriver,whichhasledto________.A．lotsoffishhavingkilled B．killlotsoffishC．lotsoffishbeingkilled D．lotsoffishtokill答案：C考查非謂語(yǔ)動(dòng)詞。leadto“導(dǎo)致”，后接名詞或動(dòng)名詞，排除B項(xiàng)，又因此處表示“魚(yú)被殺”，可排除A、D兩項(xiàng)；C項(xiàng)動(dòng)名詞的被動(dòng)式符合句意。句意為“很多廢物被排放到了河里，這導(dǎo)致很多魚(yú)被殺死了”。故選C項(xiàng)。26．(2012·天津)Hegotuplateandhurriedtohisoffice,________thebreakfastuntouched.A.left B.toleaveC.leaving D.havingleft答案：C本題考查非謂語(yǔ)動(dòng)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(diǎn)沒(méi)動(dòng)。現(xiàn)在分詞作結(jié)果狀語(yǔ)表示自然而然的結(jié)果；不定式作結(jié)果狀語(yǔ)表示出乎意料的結(jié)果，故C項(xiàng)正確。27．Thereisnopointarguingaboutwhat________theaccident.Thepointiswhattodowiththevictimsofit.A．ledto B．causedtoC．a(chǎn)ccountedto D．resultedfrom答案：A考查動(dòng)詞詞組在具體語(yǔ)境中的使用。leadto“導(dǎo)致，造成”；causeto和accountto搭配錯(cuò)誤；resultfrom“由……引起”。句意為“爭(zhēng)論什么造成了這次事故沒(méi)有意義，重要的是如何對(duì)待受害者”。故選A項(xiàng)。28．Ifonewantstomakeadifference,he'dbetter________himselfofbadhabits.A．rid B．makeC．keep D．get答案：A考查動(dòng)詞在具體語(yǔ)境中的使用。rid“擺脫，除去”，rid...of“擺脫，除去”；make“使，讓?zhuān)圃臁?；keep“保持，使”；get“得到；到達(dá)，使”。句意為“如果一個(gè)人想有所轉(zhuǎn)變，他最好是除去一些壞習(xí)慣”。故選A項(xiàng)。29．________，Ifailedinthedrivingtest.A．Tomyjoy B．TomysadC．Tomyhappy D．Tomyregret答案：D考查短語(yǔ)在具體語(yǔ)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(cuò)誤，my后應(yīng)接名詞。句意為“令我失望的是，在駕駛考試中我沒(méi)過(guò)關(guān)”。故選D項(xiàng)。30．Everythingisgoodwithyourcompositionexceptthatitisalittlebitshort.Please________it.A．explore B．expressC．expand D．explain答案：C考查動(dòng)詞在具體語(yǔ)境中的使用。explore“開(kāi)發(fā)”；express“表達(dá)”；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(qǐng)把它擴(kuò)展一下”。故選C項(xiàng)。31．Yourshirtneeds________.You'dbetterhaveitdonetoday.A．iron B．toironC．ironing D．beingironed答案：C考查非謂語(yǔ)動(dòng)詞。need表示“需要”，物作主語(yǔ)，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(xiàng)。32．Theysucceededinkillingpestswhichcamefromtheforeigncountries________alotofhardwork.A．a(chǎn)ccordingto B．thankstoC．inmemoryof D．inadditionto答案：B考查詞組在具體語(yǔ)境中的使用。accordingto“根據(jù)”；thanksto“多虧，由于”；inmemoryof“紀(jì)念”；inadditionto“除……之外”。句意為“由于不懈的努力，他們成功地消滅了來(lái)自國(guó)外的害蟲(chóng)”。故選B項(xiàng)。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(yǔ)補(bǔ)足語(yǔ)，表狀態(tài)，故排除B、D兩項(xiàng)；confusing“令人困惑的”；confused“困惑的”。句意為“他給了我很多不同的解釋?zhuān)@讓我很困惑”。故選C項(xiàng)。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(yǔ)，為主語(yǔ)從句，缺少引導(dǎo)主語(yǔ)從句的連詞，并且連詞在從句中作cause的主語(yǔ)，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(gè)謎”。故選A項(xiàng)。35．Heisalwaysconcernedwiththefarmersand________hehasdonatedonemillionyuantotheearthquake-hitvillagers.A．secondly B．howeverC．exactly D．therefore答案：D考查副詞在具體語(yǔ)境中的使用。secondly“第二，其次”；however“然而，可是”；exactly“確實(shí)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(zāi)區(qū)村民100萬(wàn)元人民幣”。故選D項(xiàng)。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(gè)選項(xiàng)中選出一個(gè)最佳答案。(2013·新課標(biāo)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(shí)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(dòng)，體驗(yàn)到了殘疾人的艱辛和無(wú)助。36．a(chǎn)bout B．interestedinC．a(chǎn)wareof D．carefulwith答案：Ccuriousabout對(duì)……好奇；interestedin對(duì)……感興趣；awareof意識(shí)到；carefulwith當(dāng)心、小心。句意：他、這一活動(dòng)目的是使我們意識(shí)到殘疾人面對(duì)的問(wèn)題。故B項(xiàng)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(shì))。此處表示在這幾個(gè)小時(shí)里，保持殘疾的樣子，故C項(xiàng)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(xué)習(xí)；working工作；satisfying令人滿意的；relaxing放松的。此處表示坐在輪椅里，充當(dāng)殘疾人也是一學(xué)習(xí)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(dòng)的。句意：以前從來(lái)沒(méi)有想過(guò)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(kāi)始滾動(dòng)。42． B．repairedC．powered D．grasped答案：A有上文可知，輪椅滾動(dòng)，證明輪椅輪子沒(méi)鎖，故A項(xiàng)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(zhǎng)一段時(shí)間才把腳放進(jìn)腳蹬里。45． B．communicationC．transportation D．production答案：Coperation操作，經(jīng)營(yíng)；手術(shù)；communication通訊，通信；交流；transportation運(yùn)輸工具，運(yùn)輸，交通；production生產(chǎn)，制作。句意：在這幾個(gè)小時(shí)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(xiàng)正確。46． B．educationC．experiment D．entertainment答案：Cexploration探測(cè)，勘探，探險(xiǎn)； education教育；教育學(xué)；experiment實(shí)驗(yàn)，試驗(yàn)；嘗試；entertainment娛樂(lè)，消遣。句意：對(duì)殘疾人來(lái)說(shuō)，坐輪椅不是臨時(shí)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(kāi)始；comfortable舒適的，安逸的。在輪椅里，我設(shè)法找個(gè)舒服的位置。48．A.yet B．justC．still D．even答案：D此處表示加強(qiáng)語(yǔ)氣，前面有restful，讓人得到休息的，后面進(jìn)一步說(shuō)“甚至有點(diǎn)好”，故D項(xiàng)正確。49． B．pushedC．driven D．guided答案：B坐在輪椅里，讓人推著，故B項(xiàng)正確。50． B．suggestedC．a(chǎn)greed D．a(chǎn)dmitted答案：A環(huán)顧四周，沒(méi)找到人推我，所以我意識(shí)到只有自己轉(zhuǎn)輪椅了。故A項(xiàng)正確。51． B．turnedC．pressed D．seized答案：Blift舉起；提升；turn轉(zhuǎn)動(dòng)；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(xiàng)正確。53．A.easy B.heavyC.major D.extra答案：A見(jiàn)上題解析。54． B．repeatedC．conducted D．finished答案：D幾個(gè)小時(shí)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(xiàng)正確。55．A.weaknesses B.challengesC.anxieties D.illnesses答案：Bweaknesses缺點(diǎn)；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(gè)選項(xiàng)(A、B、C、D)中，選出最佳選項(xiàng)。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。科學(xué)家們正在為此努力。56．Smallgreenplantsareveryimportanttodryplacesbecause________.A．theydon'tletthesunmaketheearthevendrierB．theydon'tletthewindblowtheearthawayC．theyholdthewaterD．a(chǎn)lloftheabove答案：D細(xì)節(jié)理解題。由原文第二段內(nèi)容可知，A、B、C三項(xiàng)均可，所以選擇D項(xiàng)。alloftheabove表示“以上所有的(選項(xiàng))”。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(shí)可知，土地沙漠化的速度要比科學(xué)家盡力使沙漠變良田的速度快，B項(xiàng)完整。其他三個(gè)選項(xiàng)都很片面，不能概括整個(gè)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(duì)控制土地沙漠化起主要的作用，A項(xiàng)正確。其他三個(gè)選項(xiàng)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(xì)節(jié)理解題。根據(jù)第二段“Thefuturefoodisthebestwillputreal-timesensorsintoourbodiesthatcanreadtheinformationofwhatourbodiesneed.”可知應(yīng)選D項(xiàng)。60．Thefoodordergoestothelocalfoodsuppliersothat________.A．theneedsoftheenduserwillbewellmetB．thefoodsupplierwillnotwasteanymoneyC．thefoodmakerwillknowhowtogrowplantsD．thefoodsupplierwillknowwhathealthyfoodis答案：A細(xì)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(xiàng)。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(lái)的農(nóng)作物和我們現(xiàn)在農(nóng)場(chǎng)的農(nóng)作物會(huì)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(gè)例子是用來(lái)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(rèn)為幾乎所有的食物都來(lái)自土壤，而土壤同樣需要食物，并對(duì)此給出了重要的見(jiàn)解。63．Whatwouldhappenfirstwithoutplants?A．Peoplewouldhavemorecrops.B．Animalswoulddie.C．Therewouldbemorefood.D．Therewouldbelesssoil.答案：B細(xì)節(jié)理解題。由第一段第三句“Iftherewerenoplants，wewouldhavenoanimalsandnomeat.”可知如果沒(méi)有了植物，我們就沒(méi)有了動(dòng)物和肉類(lèi)，B項(xiàng)符合語(yǔ)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(dòng)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(xì)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(xì)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(chóng)劑).Thisguaranteesthattheproductsarenatural.Somepeoplethink“organic”means“l(fā)ocallygrown”.Originallythiswastrue.Overtimeorganicfarmingbecamemoredifficult.Thedemandfororganicfoodgrewlargerthanthesupply.Smallcompanieshadtosellouttolargecompanies.Thereweren'tenoughorganicmaterials.Thismadeitdifficultformanyorganiccompaniestostayinbusiness.Today,manylargecompanieshaveanorganiclineofproducts.Isorganicfoodmorenutritious(有營(yíng)養(yǎng)的)?Thisispartofthedebate.Manyfarmersandconsumers(消費(fèi)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?cè)谟袡C(jī)食物的價(jià)格、有機(jī)食物是否更有營(yíng)養(yǎng)等方面持有的不同觀點(diǎn)。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(jī)耕作相對(duì)來(lái)說(shuō)更環(huán)保。68．WhatdoestheauthorpointoutinParagraph3?A．Mostorganicfoodislocallygrownnowadays.B．Organicfarmingonceexperiencedadifficultperiod.C．Organicfoodtastesbetterthannon-organicfood.D．Organiccompaniesfinditdifficulttoearnmoney.答案：B細(xì)節(jié)理解題。根據(jù)第三段第三句到第七句可知，有機(jī)原料不足，小型的有機(jī)農(nóng)場(chǎng)被迫轉(zhuǎn)讓給大型的有機(jī)農(nóng)場(chǎng)。有機(jī)農(nóng)業(yè)在發(fā)展過(guò)程中經(jīng)歷過(guò)一段困難時(shí)期。69．Whatcanwelearnfromthepassageabouthealthexperts?A．Theybelieveorganicfoodpreventshealthproblems.B．Theyconsiderorganicfoodawasteofmoney.C．Theydon'tsharemanyconsumers'views.D．Theyrecommendeatingorganicfood.答案：C細(xì)節(jié)理解題。根據(jù)倒數(shù)第二段可知，許多消費(fèi)者認(rèn)為有機(jī)食物更有營(yíng)養(yǎng)，但許多健康專(zhuān)家不同意這一觀點(diǎn)，所以選C項(xiàng)。70．Inmanyconsumers'opinion,organicfoodisbetterforthefollowingreasonsEXCEPT________.A．beinghealthierB．beingmorebeautifulC．beingtastierD．beingmorenutritious答案：B細(xì)節(jié)理解題。根據(jù)最后兩段可知，樂(lè)于購(gòu)買(mǎi)有機(jī)食物的消費(fèi)者認(rèn)為有機(jī)食物更有益健康、更富含營(yíng)養(yǎng)成分、更美味，文章并沒(méi)有提到有機(jī)食物的外形問(wèn)題，因此選擇B項(xiàng)。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(yù)算)problems.Atthesametime,manyolderresearchersarenearingretirementage.文章大意：非洲很多國(guó)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(guó)家增加了在農(nóng)業(yè)研究方面的投資，但側(cè)重點(diǎn)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(shuō)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(cè)題。根據(jù)畫(huà)線詞后面