高二英語(yǔ)閱讀理解(科普環(huán)保)真題匯編(含答案)一、高中英語(yǔ)閱讀理解科普環(huán)保類1．犇犇閱讀下列短文，從每題所給的A、B、C、D四個(gè)選項(xiàng)中，選出最佳選項(xiàng)。

AgainstthesuppositionthatforestfiresinAlaska,CanadaandSiberiawarmtheclimate,scientistshavediscoveredthatcoolingmayoccurinareaswhereburnttreesallowmoresnowtomirrormoresunlightintospace.

Thisfindingsuggeststhattakingstepstopreventnorthernforesttolimitthereleaseofgreenhousegasesmaywarmtheclimateinnorthernregions.Usuallylargefiresdestroyedforestsintheseareasoverthepastdecade.Scientistspredictthatwithclimatewarming,firesmayoccurmorefrequentlyovernextseveralcenturiesasaresultofalongerfireseason.Sunlighttakeninbytheearthtendstocausewarming,whileheatmirroredbackintospacetendstocausecooling.

Thisisthefirststudytoanalyzeallaspectsofhownorthernfiresinfluenceclimate.Earlierstudiesbyotherscientistshavesuggestedthatfireinnorthernregionsspeedupclimatewarmingbecausegreenhousegasesfromburningtreesandplantsarereleasedintotheatmosphereandthustrapheat.

Scientistsfoundthatrightafterthefire,largeamountsofgreenhousegasesenteredtheatmosphereandcausedwarming.Ozone(臭氧)levelsincreased,andashfromthefirefellonfar-offseaice,darkeningthesurfaceandcausingmoreradiationfromthesuntobetakenin.Thefollowingspring,however,thelandwithintheareaofthefirewasbrighterthanbeforethefire,becausefewertreescoveredtheground.Snowonthegroundmirroredmoresunlightbackintospace,leadingtocooling.

"Weneedtofindoutallpossiblewaystoreducethegrowthofgreenhousegasesintheatmosphere."Scientiststrackedthechangeinamountofradiationenteringandleavingtheclimatesystemasaresultofthefire,andfoundameasurementcloselyrelatedtotheglobalairtemperature.Typically,fireinnorthernregionsoccursinthesameareaevery80to150years.Scientists,however,foundthatwhenfireoccursmorefrequently,moreradiationislostfromtheearthandcoolingresults.Specifically,theydeterminedwhenfirereturns20yearsearlierthanpredicated,0.5wattspersquaremeterofareaburnedaresoakedupbytheearthfromgreenhousegases,but0.9wattspersquaremeterwillbesentbackintospace.Theneteffectiscooling.Wattsareusedtomeasuretherateatwhichenergyisgainedorlostfromtheearth.（1）Accordingtothenewfindings,takingstepstopreventnorthernforestfiresmay________.A.

resultinawarmingclimate

B.

causetheforestfirestooccurmorefrequentlyC.

leadtoalongerfireseason

D.

protecttheforestsandtheenvironmentthere（2）ThefollowingarealltheimmediateeffectsafteraforestfireEXCEPT________.A.

largeamountsofgreenhousegasesentertheatmosphereB.

thelevelsofozonewhichisatypeofoxygenincreaseC.

snowonthegroundmirrorsmoresunlightbackintospaceD.

ashesfromthefirefallontheicesurfaceandtakeinmoreradiationfromthesun（3）Earlierstudiesaboutnorthernforestfires________.A.

analyzeallaspectsofhownorthernfiresinfluenceclimateB.

indicatethatforestfireswillpollutetheatmosphereC.

suggestthatpeopleshouldtakemeasurestoprotecttheenvironmentD.

suggestthatthefireswillspeedupclimatewarming（4）Theunderlinedphrase"soakup"inthelastparagraphmostprobablymeans________.A.

released

B.

absorbed

C.

created

D.

distributed（5）FromthepassagewecandrawaconclusionthatforestfiresinAlaska,CanadaandSiberiamay________.A.

warmtheclimateasthesuppositiongoesB.

allowmoresnowtoreflectmoresunlightintospaceandthuscooltheclimateC.

destroylargeareasofforestsandpollutethefar-offseaiceD.

helptogainmoreenergyratherthanreleasemoreenergy【答案】（1）A（2）C（3）D（4）B（5）B【解析】【分析】本文是一篇說(shuō)明文，介紹了阿拉斯加、加拿大和西伯利亞的森林大火使氣候變暖，科學(xué)家們已經(jīng)發(fā)現(xiàn)，在燃燒的樹(shù)木允許更多的雪將更多的陽(yáng)光反射到太空的地區(qū)可能會(huì)發(fā)生冷卻。（1）考查細(xì)節(jié)理解。根據(jù)第二段中的“Thisfindingsuggeststhattakingstepstopreventnorthernforestfirestolimitthereleaseofgreenhousegasesmaywarmtheclimateinnorthernregions”這樣的措施最終導(dǎo)致了北部地區(qū)的氣候變暖。故選A。（2）考查推理判斷。根據(jù)第四段中的“Thefollowingspring,however,thelandwithintheareaofthefirewasbrighterthanbeforethefire,becausefewertreescoveredtheground.Snowonthegroundmirroredmoresunlightbackintospace,leadingtocooling.”可知地上的雪反射陽(yáng)光這是大火的間接的影響，是在第二年春天的時(shí)候發(fā)生的事情，并不是immediateeffects。故選C。（3）考查細(xì)節(jié)理解。根據(jù)第三段中的“Earlierstudiesbyotherscientistshavesuggestedthatfireinnorthernregionsspeedupclimatewarmingbecausegreenhousegasesfromburningtreesandplantsarereleasedintotheatmosphereandthustrapheat.”可知早期關(guān)于北方森林火災(zāi)的研究建議大火將加速氣候變暖，故選D。（4）考查推理判斷。根據(jù)最后一段中的““0.5wattspersquaremeterofareaburnedaresoakedupbytheearthfromgreenhousegases,but0.9wattspersquaremeterwillbesentbackintospace.”可知該詞與sendback該詞相反的意思，故應(yīng)該指吸收，因?yàn)閟endback指反射。故選B。（5）考查細(xì)節(jié)理解。根據(jù)第一段中的“scientistshavediscoveredthatcoolingmayoccurinareaswhereburnttreesallowmoresnowtomirrormoresunlightintospace.”可知從這個(gè)研究中得到的結(jié)論是B。【點(diǎn)評(píng)】本題考點(diǎn)涉及細(xì)節(jié)理解和推理判斷兩個(gè)題型的考查，是一篇環(huán)保類閱讀，考生需要準(zhǔn)確捕捉細(xì)節(jié)信息，并根據(jù)上下文進(jìn)行邏輯推理，從而選出正確答案。2．犇犇閱讀下列短文，從每題所給的A、B、C和D四個(gè)選項(xiàng)中，選出最佳選項(xiàng)。

Whenyouthinkbacktotheblackboardfromyourschooldays,whatcolorisit?Chancesarethatit'sgreen.Sowhat'supwiththename?Originally,blackboardswerereallyblack.Beforewall-sizedblackboardsexisted,late18th-centurystudentsusedtheirownminiboardsmadeofslate(石板)orpaintedwood,accordingtoConcordiaUniversity,Thosefirstboardswere,infact,black,andtheypavedthewayforthelargerones.

In1800whenaScottishheadmasternamedJamesPillanswantedhisstudentstodrawmaps,thestudentscouldn'tdrawthemapstheirteacherwantedontheirtinyboards,soPillansputseveralslatestogethertocreatealargeboard.Problemsolved!Fromthere,theideaspreadquicklyasteacherscouldfinallyshowaconcepttothewholeclassatonetime.By1815,themassivewritingspaceswerecommonenoughtoearntheirownname:blackboard.

Thecolorchangecameinthe1960swhencompaniessold,steelplates,coatedwithgreenenamel(漆)insteadofthetraditionaldarkslate.Thenewmaterialwaslighterandlessfragilethanthefirstblackboards,sotheywerecheapertoshipandmorelikelytosurvivethejourney.Teachersweren'tcomplainingeither.Afterall,thenew"greenboards"madethechalkpowdereasiertoerase.Plus,theenamelleftlessofaglareandthecolorwasnicertolookat.Atthatpoint,peoplestartedusingtheword"chalkboard"asamoreaccuratedescriptor,but"blackboard"stillstuckaround.（1）Whatdidthelate18th-centurystudentsuseinclass?A.

Blackboard.

B.

Chalkboard.

C.

Greenboard.

D.

Miniboard.（2）Whydidtheheadmasteraskthestudentstoputtheirminiboardstogether?A.

Tomakeacomparison.B.

Tomakeenoughspace.C.

Todrawstudents'attention.D.

Toarousestudents'interest.（3）WhichofthefollowingisNOTtheadvantageofthe"greenboard"?A.

They'relighterinweight.B.

They'remoreconvenienttotransport.C.

They'reeasiertoerasethepowder.D.

They'remoreusefulthanthetraditionalones.（4）What'sthemainideaofthetext?A.

Introductionoftheblackboard.B.

Originoftheblackboard.C.

Coloroftheblackboard.D.

Functionoftheblackboard.【答案】（1）D（2）B（3）D（4）C【解析】【分析】本文是一篇說(shuō)明文，通過(guò)描述黑板發(fā)展歷程向讀者介紹了黑板最早的時(shí)候確實(shí)是黑色的，隨后慢慢發(fā)展變成了綠色。回答了"黑板為什么是綠色的？"這個(gè)問(wèn)題。（1）考查細(xì)節(jié)理解。根據(jù)第一段中的，"...late18th-centurystudentsusedtheirownminiboardsmadeofslate(石板)orpaintedwood..."可知，18世紀(jì)的學(xué)生用的是“迷你板”。故選D。（2）考查推理判斷。根據(jù)第二段中的“

In1800whenaScottishheadmasternamedJamesPillanswantedhisstudentstodrawmaps,thestudentscouldn'tdrawthemapstheirteacherwantedontheirtinyboards,soPillansputseveralslatestogethertocreatealargeboard.”在1800年，一名英格蘭校長(zhǎng)JamesPillans想讓他的學(xué)生們畫(huà)地圖，但是學(xué)生們?cè)谒麄兊拿阅惆迳蠠o(wú)法畫(huà)出地圖，因此校長(zhǎng)讓學(xué)生把他們的迷你板拼湊在一起來(lái)制造一個(gè)大的板?？芍?，校長(zhǎng)讓學(xué)生把他們的迷你板拼湊在一起是為了創(chuàng)造一個(gè)大的空間來(lái)畫(huà)地圖。故選B。（3）考查細(xì)節(jié)理解。根據(jù)第三段中的"Thenewmaterialwaslighterand...morelikelytosurvivetheJourney."可知A項(xiàng)和B項(xiàng)正確；以及"Afterall,...madethechalkpowdereasiertoerase."可知C項(xiàng)正確；D項(xiàng)文章未提及。故選D。（4）考查主旨大意。文章第一段前四句話點(diǎn)明了文章中心：我們看到的黑板大多是綠色的，為什么叫黑板？通讀全文也可知文章主要講述了黑板發(fā)展過(guò)程中顏色從黑色變成綠色的過(guò)程和原因。故選C?！军c(diǎn)評(píng)】本題考點(diǎn)涉及細(xì)節(jié)理解，推理判斷和主旨大意三個(gè)題型的考查，是一篇科普類閱讀，要求考生在捕捉細(xì)節(jié)信息的基礎(chǔ)上，進(jìn)一步根據(jù)上下文的邏輯關(guān)系，進(jìn)行分析，推理，概括和歸納，從而選出正確答案。3．犇犇閱讀理解

Slowlybutsurely

we'removingcloserandcloserto5Gworld.Fromsmart-homesecuritytoself-drivingcars,alltheinternet-connecteddevicesinyourlifewillbeabletotalktoeachotheratlightning-fastspeedswithreduceddelay,Objectivelyspeaking,thefastest4GdownloadspeedsintheU.S.topoutatanaverageof19.42Mbps.Butbycomparison5Gpromisesgigabit(千兆)speeds.

“5Gisoneofthosesigns,alongwithartificialintelligence,ofthiscomingdataage,”saidSteveKoenig,seniordirectorofmarketresearchfortheConsumerTechnologyAssociation.“Theself-drivingvehicleisagreatemblemofthisdataage,andthatistosay,itisasignoftime,becausewithonesingletask,driving,youhavemassiveamountsofdatacomingfromthevehicleitself,andavarietyofsensorsarecollectingalotofinformationtomodelitsenvironmentasitmoves.It'spullingindatafromothervehiclesaboutroadconditionsdownthelane.Itcouldbeweatherinformation,butalsoconnectedinfrastructure(基礎(chǔ)設(shè)施)construction.There'slotsofdatabehindthattask,whichiswhyweneedhighspeed.

Augmentedrealityglassesandvirtualheadsethaven'tyetbrokenthemainstream,buttechcompaniesarejoyfullybettingthatthesedeviceswilleventuallyreplaceoursmartphones.With5G,thatcouldactuallyhappen.ThisisnotablebecausecompaniessuchasApplearereportedlydevelopingARglassestoassist—orperhapsevenreplace—smartphones.

EricssonstatedatFebruary'sMobileWorldCongresshowsmartglassescouldbecomefasterandlighterwitha5Gconnection,becauseinsteadofbeingweigheddownwithcomponents,theglassescouldrelyonhardwareforprocessingpower.

Butdon'tgettooexcited.There'sstillalotofworktobedoneinthemeantime,includingvarioustrialstomakesuretheradiosplaynicelywithhardwareandinfrastructureconstructionso5Gisn'tconcentratedonlyinbigcities.（1）WhatdoestheauthorwanttostressinParagraph1?A.

Thelighting-fastspeedof5G.B.

Theexpectationof5Gworld.C.

Thedifferencebetween4Gand5G.D.

Theinternet-connecteddevicesinourlife.（2）Whatdoestheunderlinedword"emblem"inParagraph2mean?A.

Exhibition.

B.

Success.

C.

Symbol.

D.

Explanation.（3）Wecaninferfromthetextthat________.A.

5Gworldwon'tcomewithoutARglassesB.

5GhelpstocreatetheartificialintelligencevehicleC.

ApplecompanyisdevelopingARglassesworldwideD.

Techcompanieswillfacethefactthatsmartphonesmaybereplaced（4）Whatwilltheauthorprobablytellusnext?A.

Howtofullyexpand5Gcoverage.B.

Smartglasseswillbecomefasterandlighter.C.

Why5Gisn'tconcentratedinbigcities.D.

Theimportanceofinfrastructureconstruction.【答案】（1）A（2）C（3）D（4）A【解析】【分析】本文是一篇說(shuō)明文，介紹了我們離5G世界越來(lái)越近了。（1）考查段落大意。根據(jù)第一段中的“Slowlybutsurely,we'removingcloserandcloserto5Gworld.”緩慢但肯定的是，我們離5G世界越來(lái)越近了?？芍髡咴诘谝欢蜗霃?qiáng)調(diào)“5G光速快?！惫蔬xA。（2）考查詞義猜測(cè)。根據(jù)第二段中的“andthatistosay,itisasignoftim”也就是說(shuō)，這是時(shí)間的標(biāo)志，”可知，劃線詞的意思是“標(biāo)志，象征”。故選C。（3）考查推理判斷。根據(jù)第三段中的“ThisisnotablebecausecompaniessuchasApplearereportedlydevelopingARglassestoassist—orperhapsevenreplace—smartphones.”這一點(diǎn)值得注意，因?yàn)閾?jù)報(bào)道，蘋(píng)果(Apple)等公司正在開(kāi)發(fā)增強(qiáng)現(xiàn)實(shí)眼鏡，以幫助——甚至取代——智能手機(jī)?！笨芍?，我們可以從文中推斷，科技公司將面臨智能手機(jī)可能被取代的事實(shí)。故選D。（4）考查推理判斷。根據(jù)最后一段中的“Butdon'tgettooexcited.There'sstillalotofworktobedoneinthemeantime,includingvarioustrialstomakesuretheradiosplaynicelywithhardwareandinfrastructureconstructionso5Gisn'tconcentratedonlyinbigcities.”但是不要太激動(dòng)。與此同時(shí)，仍有很多工作要做，包括各種試驗(yàn)，以確保收音機(jī)能很好地配合硬件和基礎(chǔ)設(shè)施建設(shè)，這樣5G就不會(huì)只集中在大城市?！笨芍?，作者接下來(lái)可能會(huì)告訴我們“如何全面擴(kuò)大5G覆蓋。”故選A。【點(diǎn)評(píng)】本題考點(diǎn)涉及段落大意，詞義猜測(cè)和推理判斷三個(gè)題型的考查，是一篇科普類閱讀，要求考生根據(jù)上下文的邏輯關(guān)系，進(jìn)行分析，推理，概括和歸納，從而選出正確答案。4．犇犇閱讀理解

InareasliketheCentralUnitedStatesthatgetlotsoftornadoes,there'sacommonpieceofcelestial（天上的）fortune-tellingthatgreenskiesmeanatornadoisonitsway.Researchhasshownthatitisn'tquiteassimpleasthat,butscientistshavefoundthatifyouseeagreensky,youshouldprobablygoinside.Asfarasmostscientistscantell,thegreenskiesaroundpowerfulthunderstormsareusuallyacombinationofredsunsetsandwaterdroplets.

Daytimeskiesarebluebecauseblueshorterwavelengthsofvisiblelighttendtobounceoff（反射）airmoleculesbetterthanredlongerwavelengthlight.Sothebluelightgetsbouncedallovertheskyandlookslikeit'scomingfromeverywhere.Meanwhile,aroundsunsetsunlighttravelsthroughsomuchatmospherethatjustaboutalltheblueisbouncedawayfromthehorizon,leavingallthoseredsandorangesbehind.Thesunsetmightlookexclusively（獨(dú)有的）redandorange,butthere'sstillsomegreenandevenbluelighthiddeninthere,justfarlessthantheothercolors.Butforustonoticetheremaininggreenlight,itneedstohitsomethingthatreflectsgreenlightmuchbetterthanred.That'swherewatercomesin.

Bigtallthreateningstormcloudsaremadeofwaterdroplets,andeventhoughwaterisbestatreflectingbluelight,itcanstillreflectgreenprettywell,muchbetterthanredsandoranges,sounderjusttherightconditions,thewaterinandaroundacloudcanbouncethegreenlighthiddeninthesunsetrightintooureyesmakingtheskylookgreen.

Still,noneoftheconditionsthatcanturnskiesgreenareuniquetothecloudsthatproducetornadoes.Sometimestheyjustleadtolotsofrain,andmaybesomehail.Soifyouseehugestormcloudsrollinginandagreentint（色調(diào)）inthesky,itdoesn'tnecessarilymeanthere'sabouttobeatornado,butitdoesmeanyoushouldprobablyheadindoors.（1）Whatcanbethebesttitleforthetext?A.

WhyDotheCentralUnitedStatesGetTornadoesB.

DoGreenSkiesMeanaComingTornadoC.

ACommonPieceofCelestialFortune-tellingD.

GreenSkiesAreUniquetoClouds（2）Whyaretheskiesblueinthedaytime?A.

Becauseonlybluelightcanbebouncedinthedaytime.B.

Becausethereismorebluelightthanlightofothercolors.C.

Becausebluelightisbouncedalloverthesky.D.

Becauseredlightisweakerthanbluelight.（3）Whatdoestheunderlinedword"it"inparagraph2referto?A.

Thesunset.

B.

Redlight.

C.

Bluelight.

D.

Water.（4）Whatcanwelearnaboutfromthetext?A.

Stormcloudsaremadeofwaterdropletsandgreenlight.B.

Watercanreflectredlightaswellasbluelight.C.

Thereareonlyredandorangelightsinthesunsets.D.

Ifyouseeagreensky,therewillbeatornado.【答案】（1）B（2）C（3）A（4）B【解析】【分析】本文是一篇說(shuō)明文，科學(xué)家發(fā)現(xiàn)天空呈現(xiàn)綠色并不是產(chǎn)生龍卷風(fēng)的云層所獨(dú)有的，有時(shí)它們會(huì)導(dǎo)致大量降雨，甚至冰雹，待在室內(nèi)或許是最好的選擇。（1）考查主旨大意。通讀全文，根據(jù)第一段中的“there'sacommonpieceofcelestial（天上的）fortune-tellingthatgreenskiesmeanatornadoisonitsway.”和最后一段中的“Still,noneoftheconditionsthatcanturnskiesgreenareuniquetothecloudsthatproducetornadoes.Sometimestheyjustleadtolotsofrain,andmaybesomehail.”可知，本文主要話題是關(guān)注綠色的天空是否意味著即將來(lái)臨的龍卷風(fēng)展開(kāi)的，故選B。（2）考查細(xì)節(jié)理解。根據(jù)第二段中的“Daytimeskiesarebluebecauseblueshorterwavelengthsofvisiblelighttendtobounceoff（反射）airmoleculesbetterthanredlongerwavelengthlight.”可知，白天天空是藍(lán)色,因?yàn)樗{(lán)色短的波長(zhǎng)的可見(jiàn)光會(huì)反射空氣分子比紅色的長(zhǎng)波長(zhǎng)光。故選C。（3）考查代詞指代。根據(jù)第二段中的“Thesunsetmightlookexclusively（獨(dú)有的）redandorange,butthere'sstillsomegreenandevenbluelighthiddeninthere,justfarlessthantheothercolors.”可知，選A。（4）考查推理判斷。根據(jù)第三段中的“Butforustonoticetheremaininggreenlight,itneedstohitsomethingthatreflectsgreenlightmuchbetterthanred.That'swherewatercomesin.”可知，水既能反射藍(lán)光，也能反射紅光，故選B。【點(diǎn)評(píng)】本題考點(diǎn)涉及細(xì)節(jié)理解，代詞指代，推理判斷和主旨大意四個(gè)題型的考查，是一篇科普類閱讀，要求考生在捕捉細(xì)節(jié)信息的基礎(chǔ)上，進(jìn)一步根據(jù)上下文的邏輯關(guān)系，進(jìn)行分析，推理，概括和歸納，從而選出正確答案。5．犇犇閱讀理解

Youknowthosenutritionguidelinesthegovernmentissueseveryfewyears?Itturnsoutthatfollowingthemisn'tjustgoodforyourhealth.It'sgoodfortheplanet,too.

"Whatwefoundisthatimpactsvaryacrossnations,butinthehigh-impactnations,ingeneral,youcanseethat,ifyoufollowanationallyrecommendeddiet,despitethefactthatthesedietsdon'tmentionexplicitly—ormostofthemdon'texplicitlymention—environmentalimpacts,thatyouaregoingtohavelowerenvironmentalimpactsduetothat.Sothat'ssortoffairlyclearacrossallthehigh-incomenations."saidPaulBehrens,anenvironmentalscientistatLeidenUniversityintheNetherlands.

Thefoodweeattakesabigtollontheenvironment.Athirdoftheice-freelandonEarthisusedforagriculture,andaccordingtosomeestimates,producingfoodaccountsforroughlyafifthofallhuman-causedgreenhousegasemissions.Fertilizerrunoffalsoleadstootherproblems,likethealgaebloomsinLakeEerieandtheDeadZoneintheGulfofMexico.

However,followingdietaryguidelineswouldreducethoseimpacts,especiallyinwealthycountriesliketheUS."Mostofthereductionscomefrommeatanddairy,"whichhaveanoutsizedimpactonlanduseandpollution,andareamajorsourceofgreenhousegases.(That'spartlyduetocowfarts.Seriously.)Followingthesuggestionswouldalsomeaneatingfewercalories,sincemanypeoplehereeatmorethantheyneed.

Overall,inhigh-incomecountries,Behren'steamestimatesthatfollowingtherulescouldresultinasmuchasa17percentreductioninlanduse,a21percentreductioninnutrientpollution,anda25percentdropinagriculturalgreenhousegasemissions.Cuttingdownonhowmuchfoodwewaste—whichisroughlyathirdintheUS—couldhelpevenmore.TheresultsareintheProceedingsoftheNationalAcademyofSciences.

Ofcourse,peoplearenotoriouslybadatfollowingdiets.But:"Thesenationallyrecommendedguidelinesdoactuallyhaveaknock-oneffectonotherareasofpolicymaking.SoifI'mdevelopinganewhealthy-eating-for-schoolsprogramthenthat'sgoingtobebasedoffalotofdetailthatIgetfromthenationallyrecommendedguidelines.Sowhileitmightnotnecessarilybethecasethatpeoplefollowdirectly…theyactuallyarequiteinfluentialonthepreparationofotheradvice."

Itseemsthatasmallerenvironmentalfootprintandahealthierlifestylecouldgohandinhand.（1）WhichofthefollowingstatementwillPaulBehrensapproveof?A.

Followinganationallyrecommendeddietcanhavesimilarimpactsindifferentcountries.B.

Followinganationallyrecommendeddietcandogoodtoourhealth.C.

Notallthecountrieshaverecommendeddietsinanexplicitmanner.D.

Somehigh-incomenationsdon'tmentionthedietexplicitlyforitsimpactscanbeignored.（2）Whatdotheunderlinedwords"takesabigtollon"

inparagraph3probablymean?A.

showssignsof

B.

hasabadeffecton

C.

takesfulladvantageof

D.

makesupfor（3）WhichofthefollowingisTRUEaccordingtothepassage?A.

Foodproductioncanleadtoabout20percentofhuman-causedgreenhousegaswithonlyathirdoftheice-freelandused.B.

Itisestimatedthatfollowingdietaryguidelinescanleadtodecreaseinmorelandusethaninnutrientpollution.C.

PaulBehrens'newprogramconcerninghealthyeatingforschoolsislikelytobebasedonnationalnutritionguidelines.D.

Somewealthycountriestendtoreducemeatanddairythoughtheotherareasofpolicymakingisn'teffectedmuch.【答案】（1）C（2）B（3）A【解析】【分析】本文是一篇說(shuō)明文，介紹了營(yíng)養(yǎng)指南對(duì)地球也有利。通過(guò)膳食指南，似乎可以減輕對(duì)環(huán)境的傷害，人類自己也可以過(guò)上健康的生活，二者可以兼得。（1）考查推理判斷。根據(jù)第二段中的"Whatwefoundisthatimpactsvaryacrossnations,butinthehigh-impactnations,ingeneral,youcanseethat,ifyoufollowanationallyrecommendeddiet,despitethefactthatthesedietsdon'tmentionexplicitly—ormostofthemdon'texplicitlymention—environmentalimpacts,thatyouaregoingtohavelowerenvironmentalimpactsduetothat.”我們發(fā)現(xiàn)（營(yíng)養(yǎng)膳食指南的）影響因國(guó)家而異，但總的來(lái)說(shuō)，在影響力較大的國(guó)家，如果你遵循國(guó)家推薦的膳食指南，即使這些膳食并未明晰對(duì)環(huán)境的影響，或者大多數(shù)膳食沒(méi)有明確說(shuō)明這一點(diǎn)，但是你對(duì)環(huán)境的影響會(huì)因?yàn)樽裱改隙鴾p輕。由此推斷出"并非所有國(guó)家都以明確的方式推薦飲食"，這個(gè)觀點(diǎn)PaulBehrens會(huì)贊成，故選C。（2）考查詞義猜測(cè)。根據(jù)第三段中的“Athirdoftheice-freelandonEarthisusedforagriculture,andaccordingtosomeestimates,producingfoodaccountsforroughlyafifthofallhuman-causedgreenhousegasemissions.Fertilizerrunoffalsoleadstootherproblems,likethealgaebloomsinLakeEerieandtheDeadZoneintheGulfofMexico.”地球上三分之一的無(wú)冰區(qū)被用于農(nóng)業(yè)生產(chǎn)，根據(jù)一些估算，食物生產(chǎn)大約占到了人類造成的溫室氣體排放量的五分之一。肥料徑流也導(dǎo)致了其他問(wèn)題，例如伊利湖的藻類爆發(fā)以及墨西哥灣的死亡區(qū)域。由此推斷出劃線詞所在的句子意思是我們所吃的食物給環(huán)境帶來(lái)了巨大代價(jià)。takesabigtollon固定短語(yǔ)，“付出了巨大的代價(jià)”，故選B。（3）考查細(xì)節(jié)理解。根據(jù)第三段中的“Athirdoftheice-freelandonEarthisusedforagriculture,andaccordingtosomeestimates,producingfoodaccountsforroughlyafifthofallhuman-causedgreenhousegasemissions.”地球上三分之一的無(wú)冰區(qū)被用于農(nóng)業(yè)生產(chǎn)，根據(jù)一些估算，食物生產(chǎn)大約占到了人類造成的溫室氣體排放量的五分之一。由此可知。A選項(xiàng)的描述"糧食生產(chǎn)可導(dǎo)致約20%的人為造成的溫室氣體，而只使用了三分之一的無(wú)冰土地"正確，故選A。【點(diǎn)評(píng)】本題考點(diǎn)涉及細(xì)節(jié)理解，詞義猜測(cè)和推理判斷三個(gè)題型的考查，是一篇科研類閱讀，要求考生準(zhǔn)確捕捉細(xì)節(jié)信息，同時(shí)根據(jù)上下文進(jìn)行邏輯推理，從而選出正確答案。6．犇犇閱讀理解

KaitlinWoolleyandAyeletFishbachreportinPsychologicalSciencethatamealtaken"family-style"fromacentralplatecangreatlyimprovetheoutcomeoflaternegotiations.

Havingconductedpreviousresearchin2017revealingthateatingsimilarfoodsledtopeoplefeelingemotionallyclosertooneanother,DrWoolleyandDrFishbachwonderedwhetherthewayinwhichfoodwasservedalsohadapsychologicaleffect.Theytheorizedthat,ontheonehand,sharingfoodwithotherpeoplemightindicatefoodscarcity（短缺）andincreaseafeelingofcompetition.However,theyalsoreasonedthatitcouldinsteadleadpeopletobecomemoreawareofothers'needsanddrivecooperativebehaviorasaresult.Curioustofindout,theydidaseriesofexperiments.

Forthefirsttesttheyrecruited100pairsofparticipantsfromalocalcafe,noneofwhomkneweachother.Theparticipantswereseatedatatableandfedtortillachipswithsalsa.Halfthepairsweregiventheirownbasketof20gramsofchipsandabowlof25gramsofsalsa,andhalfweregiven40gramsofchipsand50gramsofsalsatoshare.Asacoverfortheexperiment,allparticipantsweretoldthissnackwastobeconsumedbeforethegamebegan.

Thegameaskedtheparticipantstonegotiateanhourlywagerateduringafictionalstrike.Eachpersonwasrandomlyassignedtorepresenttheunionormanagementandfollowasetofrules.

Theresearchersmeasuredcooperationbynotingthenumberofroundsittooktoreachanagreement,andfoundthatthosewhosharedfoodresolvedthestrikesignificantlyfaster（in8.7rounds）thanthosewhodidnot（13.2rounds）.Asimilarexperimentwasconductedwith104participantsandGoldfishcrackers（餅干）,thistimenegotiatinganairline'srouteprices.Theresultsweremuchthesame,withthefood-sharersnegotiatingsuccessfully63.3%ofthetimeandthosewhodidnotsharedoingso42.9%ofthetime.（1）Whatdoesthe"family-style"mealinthereportreferto？A.

Amealtakenathome.

B.

Amealsharedwithothers.C.

Amealconsumedbyoneself.

D.

Amealtakeninafamilyatmosphere.（2）Forwhatpurposedidtheresearcherscarryoutthepresentexperiments?A.

Toshowthewayfoodisserved.B.

Toprovesharingfoodincreasescompetition.C.

Toconfirmsharingfoodcanpromotecooperation.D.

Tofindoutwhethersharingfoodcangetpeoplecloseemotionally.（3）Whywereparticipantsaskedtoeatupthesnackbeforethegame?A.

Toaddtotheirenergy.

B.

Torewardthemfortheirparticipation.C.

Tohidetheintentionoftheexperiment.

D.

Toavoidthedistractionduringthegame.【答案】（1）B（2）C（3）C【解析】【分析】本文是一篇說(shuō)明文，介紹了外交宴席的心理學(xué)

，研究表明，從中間菜采取的“家庭式”餐，可以大大改善后續(xù)談判的結(jié)果。（1）考查細(xì)節(jié)理解。根據(jù)第二段中的“Theytheorizedthat,ontheonehand,sharingfoodwithotherpeoplemightindicatefoodscarcity（短缺）andincreaseafeelingofcompetition.However,theyalsoreasonedthatitcouldinsteadleadpeopletobecomemoreawareofothers'needsanddrivecooperativebehaviorasaresult.”他們形成了一套理論，認(rèn)為一方面，與他人一起吃飯可能表明糧食短缺，并加強(qiáng)了競(jìng)爭(zhēng)的概念。然而，他們還推斷，這種方式可能會(huì)導(dǎo)致人們更加了解他人的需求，從而推動(dòng)合作性的行為?？芍猣amily-style指的是與別人一起用餐，故選B。（2）考查細(xì)節(jié)理解。根據(jù)第二段中的“However,theyalsoreasonedthatitcouldinsteadleadpeopletobecomemoreawareofothers'needsanddrivecooperativebehaviorasaresult.Curioustofindout,theydidaseriesofexperiments.”

然而，他們還推斷，這種方式可能會(huì)導(dǎo)致人們更加了解他人的需求，從而推動(dòng)合作性的行為。出于好奇心，他們做了一系列實(shí)驗(yàn)?？芍xC。（3）考查細(xì)節(jié)理解。根據(jù)第三段中的“Asacoverfortheexperiment,allparticipantsweretoldthissnackwastobeconsumedbeforethegamebegan.”作為實(shí)驗(yàn)的掩護(hù)，所有受試者都得告在游戲開(kāi)始前就要吃完這些零食?？芍xC?！军c(diǎn)評(píng)】本題考點(diǎn)涉及細(xì)節(jié)理解題型的考查，是一篇科研類閱讀，考生需要準(zhǔn)確掌握細(xì)節(jié)信息，并結(jié)合題目要求，從而選出正確答案。7．犇犇Choosetheonethatfitsbestaccordingtotheinformationgiveninthepassageyouhavejustread.

Escapingpredators(食肉動(dòng)物),digestionandotheranimalactivities—includingthoseofhumans—requireoxygen.Butthatessentialingredientisnolongersoeasyformarinelifetoobtain,severalnewstudiesreveal.

Inthepastdecadeoceanoxygenlevelshavetakenadive—analarmingtrendthatislinkedtoclimatechange,saysAndreasOschlies,anoceanographerattheHelmholtzCenterforOceanResearchinGermany,whoseteamtracksoceanoxygenlevelsworldwide."Weweresurprisedbytheintensityofthechangeswesaw,howrapidlyoxygenisgoingdownintheoceanandhowlargetheeffectsonmarineecosystemsare,"hesays.Itisnosurprisetoscientiststhatwarmingoceansarelosingoxygen,butthescaleofthedropcallsforurgentattention.Oxygenlevelsinsometropical(熱帶的)regionshavedroppedbyanastonishing40percentinthelast50years,somerecentstudiesreveal.Levelshavedroppedlesssignificantlyelsewhere,withanaveragelossof2percentglobally.

Awarmingoceanlosesoxygenfortworeasons:First,thewarmeraliquidbecomes,thelessgasitcanhold.Thatiswhycarbonateddrinksgoflatfasterwhenleftinthesun.Second,aspolarseaicemelts,itformsalayerofwaterabovecolder,moresaltyseawaters.Thisprocesscreatesasortoflidthatcankeepcurrentsfrommixingsurfacewaterdowntodeeperdepths.Andbecausealloxygenentersthesurface,lessmixingmeanslessofitatdepth.

Oceananimalsla