（英語）高三英語閱讀理解(科普環(huán)保)題20套(帶答案)含解析一、高中英語閱讀理解科普環(huán)保類1．犇犇閱讀理解

Accordingtoarecentstudy,anewgeneticallymodifiedricecanpreventinfectionsofHIV,thevirusresponsibleforthediseaseAIDS.

Thestudyreportsthenewly-developedriceproducesproteinsthatattachdirectlytotheHIVvirus.Thisprocesspreventsthevirusfrommixingwithhumancells.Thescientistssayitcanremovetheeffectofthevirusandblockitsspreading.

TheJointUnitedNationsProgramonHIV/AIDSreportsthatworldwide,nearly37millionpeoplewerelivingwithHIVin2017.Theorganizationsaysthelargestnumberofthoseareindevelopingcountries.Nearlytwo-thirdsofHIVcasesareinAfrica.NowthereisnocureforHIV/AIDSthoughtherehavebeendevelopmentsinoraldrugtreatmentstoslowtheprogressionofthedisease.

Thenewstudypredictstherice-basedmethodwillleadtolong-termuseoftheanti-HIVtreatmentacrossthedevelopingworld.Researcherssaidthe"groundbreaking"discoveryis"realisticallytheonlyway"thatanti-HIVcombinationtreatmentscanbeproducedatacostlowenoughforthedevelopingworld.

Theysaytheeasiestandmostcost-effectivewaytousethericewillbetomakeitintoacreamtobeputontheskin.TheHIV-fightingproteinscanthenenterthebodythroughtheskin.Peopleallovertheworldcouldgrowthericeandmakethecreamthemselves.Thiswouldpreventthecostandtravelrequiredformanypatientstoreceivetreatmentsandmedicine.

Theprocessofchangingthegeneticstructureoffoodcropshasbeendebatedforsometime.Criticsofgeneticallyengineeredcropsbelievetheycanharmpeople.Thescientificteamsaysfurthertestingisneededtoensurethatthegeneticengineeringprocessdoesnotproduceanyadditionalchemicalsthatcouldbedangeroustopeople.（1）Whatdoestheauthorintendtodoinparagraph3?A.

StresstheurgencyofHIVtreatments.B.

ProvidesomedataaboutHIV.C.

RemindreadersofHIVprevention.D.

IntroduceHIVtothepublic.（2）Inwhichwaywillthericebeusedatthelowestcost?A.

Bytransformingitintoproteins.B.

Byaddingittoanoraldrug.C.

ByattachingittotheHIVvirus.D.

Byprocessingitintoacream.（3）Whatcanweinferaboutthegeneticengineeringprocess?A.

ItcanpreventinfectionsofHIV.B.

Itcanproducedangerouschemicals.C.

Itstillrequiresperfecting.D.

Itappliestothedevelopedworld.（4）Fromwhichisthetextprobablytaken?A.

Abiologytextbook.B.

Ahealthmagazine.C.

Asocialwebpage.D.

Afirstaidbrochure.【答案】（1）A（2）D（3）C（4）B【解析】【分析】本文是一篇說明文，介紹了科學(xué)家培育出可預(yù)防艾滋病病毒感染的轉(zhuǎn)基因水稻。研究人員表示，這一“突破性”的發(fā)現(xiàn)是“現(xiàn)在唯一的”以低成本為發(fā)展中國家生產(chǎn)抗艾滋病毒聯(lián)合治療的方法，但還有待于進(jìn)一步的完善。（1）考查推理判斷。根據(jù)第三段中的“nearly37millionpeoplewerelivingwithHIVin2017NowthereisnocureforHIV/AIDSthoughtherehavebeendevelopmentsinoraldrugtreatmentstoslowtheprogressionofthedisease”可知，“2017年全世界有近3700萬人感染艾滋病毒。盡管口服藥物治療已經(jīng)有了進(jìn)展減緩了疾病的發(fā)展，但現(xiàn)在還沒有治愈艾滋病毒/艾滋病的方法”。由此可推斷出對于艾滋病的治療迫在眉睫，非常緊迫。分析選項(xiàng)可知A項(xiàng)符合題意，故選A。（2）考查細(xì)節(jié)理解。根據(jù)第五段中的“Theysaytheeasiestandmostcost-effectivewaytousethericewillbetomakeitintoacreamtobeputontheskin.”可知，最簡單、最劃算的使用方法是將大米制成面霜涂在皮膚上?！皌hemostcost-effective”與“thelowestcost”是同義詞，“makeitintoacream”與“processitintoacream”是同義的。故選D。（3）考查推理判斷。根據(jù)最后一段中的“Thescientificteamsaysfurthertestingisneededtoensurethatthegeneticengineeringprocessdoesnotproduceanyadditionalchemicalsthatcouldbedangeroustopeople.”可知，科學(xué)研究小組認(rèn)為要進(jìn)一步的測試，以確保基因工程過程不會產(chǎn)生任何可能對人類有害的額外化學(xué)物質(zhì)。由此可推斷這種基因工程的過程還需要進(jìn)一步的完善。故選C。（4）考查推理判斷。縱觀全文可知，本文介紹了最近的一項(xiàng)研究，一種新的轉(zhuǎn)基因水稻可以預(yù)防艾滋病病毒的感染。因此與人類的健康有關(guān)，所以本文可能是出現(xiàn)在健康雜志上，故選B?！军c(diǎn)評】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，是一篇科研類閱讀，考生需要準(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。2．犇犇閱讀理解

IfplastichadbeeninventedwhenthePilgrimssailedfromPlymouth,England,toNorthAmerica-andtheirMayflowerhadbeenstockedwithbottledwaterandplastic-wrappedsnacks,theirplasticwastewouldlikelystillbearoundfourcenturieslater.Atlanticwavesandsunlightwouldhavewornallthatplasticintotinybits.Andthosebitsmightstillbefloatingaroundtheworld'soceanstoday,waitingtobeeatenbysomefishoroyster,andfinallyperhapsbyoneofus.

Becauseplasticwasn'tinventeduntilthelate19thcentury,anditsproductiononlyreallytookoffaround1950,wehaveamere9.2billiontonsofthestufftodealwith.Ofthat,morethan6.9billiontonshavebecomewaste.Andofthatwaste,asurprising6.3billiontonsnevermadeittoarecyclingbin-thefigurethatshockedthescientistswhopublishedthenumbersin2017.

Nooneknowshowmuchunrecycledplasticwasteendsupintheocean,theearth'slastsink.In2015,JennaJambeckaUniversityofGeorgiaengineeringprofessor,caughteveryone'sattentionwitharoughestimatebetween5.3millionand14milliontonsofplasticwasteeachyearjustcomefromcoastalregions.

Meanwhile,oceanplasticisestimatedtokillmillionsofmarine(海洋的）animalseveryyear.Nearly700species,includingendangeredones,areknowntohavebeenaffectedbyit.Someareharmedvisibly,stuckbyabandonedthingsmadeofplastic.Manymoreareprobablyharmedinvisibly.Marinespeciesofallsizes,fromzooplanktontowhales,noweatmicroplas-tics,thebitssmallerthanone-fifthofaninchacross.

"Thisisn'taproblemwherewedon'tknowwhatthesolutionis,"saysTedSiegler,aVermontresourceeconomistwhohasspentmorethan25yearsworkingwithdevelopingnationsongarbage."Weknowhowtopickupgarbage.Anyonecandoit.Weknowhowtodealwithit.Weknowhowtorecycle."It'samatterofbuildingthenecessaryinstitutionsandsystems,hesays,ideallybeforetheoceanturnsintoathinsoupofplastic.（1）WhydoestheauthormentionthePilgrimsinparagraph1?A.

Toproveplasticwasdifficulttoinvent.B.

Tointroducewhatmarineanimalslikeeating.C.

TotellthePilgrimscontributedalottothemarineprotection.D.

Toshowplasticwastehasalastingeffectontheocean.（2）What'sthemaintroublemarineanimalsfaceaccordingtothetext?A.

Lackingprotection.

B.

Beingstuckbyplastics.C.

Beingcaughtbyhumans.

D.

Treatingplasticsasfood.（3）WhatdoesTedSieglerwanttotellusinthelastparagraph?A.

Somepeopledon'tknowthesolutionofplasticswaste.B.

Plasticswillturntheoceanintoasoupofplastic.C.

It'stimetotakemeasurestodealwithplasticwaste.D.

Peopleshouldavoidusingplasticstoprotecttheocean.（4）Fromwhichisthetextprobablytaken?A.

Abiologytextbook.

B.

Atravelbrochure.C.

Anenvironmentalreport.

D.

Alifestylemagazine.【答案】（1）D（2）B（3）C（4）C【解析】【分析】本文是一篇說明文，介紹了塑料垃圾給海洋以及海洋生物帶來的危害。（1）考查推理判斷。根據(jù)第一段中的“theirplasticwastewouldlikelystillbearoundfourcenturieslater.

”他們的塑料廢物很可能在四百年后仍會存在，可知作者提到thePilgrims是為了說明塑料廢物對海洋有持久的影響，故選D。（2）考查細(xì)節(jié)理解。根據(jù)第四段中的“Someareharmedvisibly,stuckbyabandonedthingsmadeofplastic.Manymoreareprobablyharmedinvisibly.”一些明顯受到傷害，被塑料制成的廢棄物品卡住了。可能有更多的人受到無形的傷害?？芍xB。（3）考查推理判斷。根據(jù)最后一段中的“It'samatterofbuildingthenecessaryinstitutionsandsystems,hesays,ideallybeforetheoceanturnsintoathinsoupofplastic.”他說最好在海洋變成塑料湯之前建立一個(gè)必要的機(jī)構(gòu)和制度的問題，可推知選C。（4）考查推理判斷?？v觀全文可知，本題介紹了塑料垃圾給海洋以及海洋生物帶來的危害。是一篇環(huán)境保護(hù)類閱讀，因此選C?！军c(diǎn)評】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，同時(shí)根據(jù)上下文進(jìn)行邏輯推理，從而選出正確答案。3．犇犇閱讀理解

Three-quartersoftheworld'scoffeefarmsdestroyforesthabitattogrowcoffeeinthesunandtypicallyuseharmfulpesticides(殺蟲劑)andchemicalsthatpoisontheenvironment.Whenforestsdisappear,migratory(遷徙的)songbirdsdisappear,too.Inordertodealwithseverepopulationandhabitatloss,SmithsonianscientistscreatedtheBirdFriendlycertification.

BirdFriendlycoffeesareshade-grown,meaningthecoffeeisplantedundertrees,ratherthanonthelandthathasbeenclearedofallotherplants.Coffeeexpertssayshade-growncoffeestastebetter,becausethebeansripenslowerthancoffeegrowninthefullsun,resultinginaricher,morecomplexflavor.BirdFriendlycertifiedcoffeesgrowunderbio-diverseshadethatprovideshabitatformigratorysongbirdsandotherwildlife,storescarbonandfightsclimatechange.BirdFriendlycoffeesarealsocertifiedorganic,meaningtheyaregrownwithoutpesticides,whichisbetterforpeopleandfortheplanet.

BirdFriendlyproducerscanalsoearnmorefortheircrops.Thewoodandfruittreesonshadecoffeefarmsprovidefarmerswithadditionalincome.EverycupofBirdFriendlycoffeepurchasedrewardsthesefarmerswithalittlemoremoneyforbeinggoodstewardsoftheenvironmentandencouragesthemtocontinueconservingBirdFriendlyhabitat.

BuyingBirdFriendlysupportstheSmithsonianMigratoryBirdCenter'sconservationresearchaimedatunderstandingandprotectingyourfeatheredfriends.YoucanpurchaseBirdFriendlycertifiedcoffeesaroundtheworldandprotectwildlifeandhabitatwitheverycup.Findastoreorcafenearyou,orbetteryet,haveitshippedtoyourdoorwhenyouorderonline.（1）Whatisthepresentsituationofcoffeefarms?A.

Onefourthofthemhavedestroyedforesthabitatforbirds.B.

Pesticidesandchemicalsusedonthempoisonedmanybirds.C.

Farmershavebeenawareofenvironmentprotection.D.

Scientistspayattentiontothemandhavecomeupwithanidea.（2）What'sacharacteristicofBirdFriendlycoffees?A.

Theymayhaveabettertaste.

B.

Theyhaveastrangeflavor.C.

Theytakelesstimetoripen.

D.

Theyaregrownonunpollutedland.（3）HowcanBirdFriendlyfarmersearnmoremoney?A.

Bychargingconsumersmoremoney.

B.

Bysellingfruitsandwoodfromtrees.C.

Bycuttingdowntreesandsellingwood.

D.

Byservingasstewardsofcoffeeconsumers.（4）Whatdoesthetextsuggestcoffeeconsumersdo?A.

Consumelesscoffee.

B.

Ordercoffeeonline.C.

Purchaseshade-growncoffee.

D.

Donatetocoffeefarmers.【答案】（1）D（2）A（3）B（4）C【解析】【分析】本文是一篇說明文，為了應(yīng)對嚴(yán)重的遷徙鳥類的數(shù)量和棲息地?fù)p失，史密森尼的科學(xué)家創(chuàng)造了theBirdFriendlycertification。（1）考查推理判斷。根據(jù)第一段中的“Inordertodealwithseverepopulationandhabitatloss,SmithsonianscientistscreatedtheBirdFriendlycertification.”可知，科學(xué)家們重視咖啡生長地的問題，并以想出應(yīng)對辦法，故選D。（2）考查細(xì)節(jié)理解。根據(jù)第二段中的“

Coffeeexpertssayshade-growncoffeestastebetter,becausethebeansripenslowerthancoffeegrowninthefullsun,resultinginaricher,morecomplexflavor.”咖啡專家說，陰涼處種植的咖啡味道更好，因?yàn)槎棺颖忍栂碌目Х瘸墒斓寐瑫a(chǎn)生更豐富，更復(fù)雜的味道。故選A。（3）考查細(xì)節(jié)理解。根據(jù)第三段中的“Thewoodandfruittreesonshadecoffeefarmsprovidefarmerswithadditionalincome.

”可知，咖啡種植者可以通過咖啡樹上方的thewoodandfruittrees增加收入，故選B。（4）考查推理判斷。根據(jù)第四段中的“

YoucanpurchaseBirdFriendlycertifiedcoffeesaroundtheworldandprotectwildlifeandhabitatwitheverycup”你能在全世界買BirdFriendly認(rèn)證的咖啡，每杯都保護(hù)野生動物和棲息地，故選C?！军c(diǎn)評】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)確掌握細(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。4．犇犇閱讀理解

Environmentalexpertswarnthatourplanetisdrowninginplastic.

Theworld'scitiesproduce2billiontonsoftrasheveryyear.Bytheyear2050thatnumberisexpectedtoriseto3billiontons.TheWorldBankestimatesthatthelargestamountoftrashtoday,about44percent,isplastic.Butweoftenhavetobuypackagedgoods.Andoftenthatpackagingismadeofplastic.

Now,thatmaybechanging.Anewenvironmentally-friendlyshoppingmodelwasrecentlylaunchedattheWorldEconomicForuminDavos,Switzerland.Thisshoppingmodel,calledLoop,aimstoreplacethrowawaycontainerswithreusableones.

LoopistheideaofTerraCycle,anAmerican-basedrecyclingcompany.Itschief,TomSzakytoldtheAssociatedPress(AP)that"removingplasticsfromtheoceanisnotenough."Hesaidthepointistogetawayfromsingle-usepackages.SzakysaidthatLoopisthefutureofshopping.Butitcomesfromanideaofthepast.

Hecomparedittothe"milkmanmodel"ofthe1950sintheUnitedStates.Backthen,someonebroughtmilktoyourdoorstepinglassbottlesandthenleftwithemptybottles.Thesecouldbecleanedandusedagain.Theresultiszero-waste.

JenniferMorganfromtheenvironmentalnon-profitorganizationGreenpeacealsojoinedinthediscussionaboutLoopatDavos.Shesaidthat"GreenpeacewelcomestheaimoftheLoopAlliancetomoveawayfromthrowawaycultureanddisposability."ButMorganquestionedwhethercompaniesworldwidearereadytochangetheirbusinessmodels.

LoopissettolaunchlaterthisyearinthreeeasternU.S.states,andalsoinParis,Franceandsomeofthesurroundingarea.ThenLoopplanstoexpandtotheU.S.WestCoast,Toronto,CanadaandBritainbytheendofthisyearor2020.（1）WhatdoestheauthorintendtodoinParagraph2?A.

Providebackgroundinformation.

B.

Advocatezero-wastelifestyle.C.

Explainthereasonfortrash.

D.

Introduceanewtopic.（2）Wheredoestheidea"Loop"comefrom?A.

TheWorldEconomicForum.

B.

Demandofsomecompanies.C.

Zero-wastemodel.

D.

Themilkmanmodel.（3）WhichcountriesisLoopexpectedtoexpandtoby2020?A.

UnitedStatesandSwitzerland.

B.

SwitzerlandandBritain.C.

CanadaandBritain.

D.

FranceandCanada.（4）Whatisthetextmainlyabout?A.

Anewshoppingmodel.

B.

Thedevelopmentoffuturecity.C.

Theworld'senvironmentalissue.

D.

Theconcernsoffutureshopping.【答案】（1）A（2）C（3）D（4）A【解析】【分析】本文是一篇說明文，介紹美國一家公司推出一種新的"零浪費(fèi)"購物模式。（1）考查推理判斷。根據(jù)第二段“Theworld'scitiesproduce2billiontonsoftrasheveryyear.Bytheyear2050thatnumberisexpectedtoriseto3billiontons.TheWorldBankestimatesthatthelargestamountoftrashtoday,about44percent,isplastic.Butweoftenhavetobuypackagedgoods.Andoftenthatpackagingismadeofplastic.”可知，世界上的城市每年產(chǎn)生大量的垃圾，并且其中最大的垃圾量是塑料，結(jié)合下文可知，作者寫本段目的是為下文提出新的購物模式提供背景信息。故選A。（2）考查細(xì)節(jié)理解。根據(jù)第四段中的“SzakysaidthatLoopisthefutureofshopping.Butitcomesfromanideaofthepast.”和第五段“Hecomparedittothe"milkmanmodel"ofthe1950sintheUnitedStates.Backthen,someonebroughtmilktoyourdoorstepinglassbottlesandthenleftwithemptybottles.Thesecouldbecleanedandusedagain.Theresultiszero-waste.”可知，Loop購物模式的想法來自于過去"送奶工模式"，是一種可以杜絕零浪費(fèi)的模式。故選C。（3）考查細(xì)節(jié)理解。根據(jù)最后一段“LoopissettolaunchlaterthisyearinthreeeasternU.S.states,andalsoinParis,Franceandsomeofthesurroundingarea.ThenLoopplanstoexpandtotheU.S.WestCoast,Toronto,CanadaandBritainbytheendofthisyearor2020.”可知，Loop計(jì)劃在2020年前將業(yè)務(wù)擴(kuò)大到加拿大和法國。故選D。（4）考查主旨大意。根據(jù)第三段中的“Anewenvironmentally-friendlyshoppingmodelwasrecentlylaunchedattheWorldEconomicForuminDavos,Switzerland.”及全文內(nèi)容可知，文章主要介紹美國一家公司推出一種新的"零浪費(fèi)"購物模式。故選A?！军c(diǎn)評】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，是一篇環(huán)保類閱讀，考生需要準(zhǔn)確掌握細(xì)節(jié)信息，并根據(jù)上下文進(jìn)行邏輯推理，概括歸納，從而選出正確答案。5．犇犇閱讀理解

Wolvesstrikefearintotheheartsofmanyspecies,humansincluded.Ourfearofthemhasbroughtthemtotheedgeofdyingout,aswehavecruellykilledthemascompetitorsandtrouble-makers.Butresearchersarediscoveringthattheveryfeartheyputintoprey（被捕食者）speciesisexactlywhathelpsmakeecosystems（生態(tài)）healthy.

YellowstoneNationalParkisatypicalexampleofjusthowwolvescanhelprepairanecosystem.AnOctober2018studyanalyzed40yearsofresearchonlargeanimalsinsidethepark.

"Yellowstonehasbenefitedfromthereintroductionofwolvesinwaysthatwedidnotanticipate,especiallythecomplexityofbiologicalinteractions（互動）inthepark,"explainedMarkBoyce,aprofessorintheDepartmentofBiologicalSciences."Wewerereallysurprisedatthatandwe'dneverhaveseentheseresponsesiftheparkhadn'tadoptedecological-processmanagement—allowingnaturalecologicalprocessestotakeplacewithleasthumanintervention."

Afterthewolveswerere-introducedatYellowstone,willowandcottonwoodtreesincreasedinnumber.Thepopulationofbearsandbisonalsoroseandwhatwasoncearulingdeer-wolfinteractionisnowmorediverse.

Tolearnmoreaboutjusthowwolvesarebeneficial,ashortdocumentaryfromQuestexplainshowthepresenceofwolvesinfluencesthebehaviorofdeer,whicheventuallymakesentireecosystemsmorebiologicallydiverseandhealthy.Inthisdocumentary,biologistAaronWirsingexploredwhywolvesandothertoppredators（捕食者）wereneededfordiverseecosystemstodevelop.Usingasimplevideocamera,Wirsingisgainingauniqueviewpointonpredator-preyrelationshipsandchangingthewaywethinkaboutwolves.

Theresearchisonemorepieceofevidenceforwhyprotectingthesetoppredatorsisimportantnotjustforwolvesasaspecies,butforhundredsofspeciesateverylevelofanecosystem.Thefeartheybringalongmaybetheveryanglethathelpssavethemfromdyingout.（1）Whatdoestheunderlinedword"anticipate"inparagraph3probablymean?A.

Expect.

B.

Understand.

C.

Notice.

D.

Accept.（2）Forwhatpurposewasadocumentarymade?A.

Tointroducehowwolvesbehaveinthewild.B.

Toshowhowwolvesbenefitfromecosystems.C.

TorecordhowAaronWirsingobservedwolves.D.

Tostudywhatgoodwolvescandotoecosystems.（3）Whatisthesignificanceoftheresearch?A.

Itproveswolvesfeedonhundredsofspecies.B.

Ithelpsprovetheimportanceofprotectingwolves.C.

Itshowsthecomplexrelationshipsbetweenspecies.D.

Itprovidesevidencethatwolvesareendangeredanimals.（4）Whatisthemainideaofthepassage?A.

Thefearofwolvesisbeneficialtoecosystems.B.

Thefearofwolvesputthemindangerofdisappearing.C.

YellowstoneNationalParkowesitshealthyecosystemstowolves.D.

TheintroductionofwolvesinYellowstoneNationalParkisasuccess.【答案】（1）A（2）D（3）B（4）A【解析】【分析】本文是一篇說明文，研究表明人類以及其他動物對狼的恐懼對維持健康、平衡的生態(tài)系統(tǒng)是有益的，其中黃石公園灰狼的引進(jìn)就是一個(gè)典型的例子。（1）考查詞義猜測。根據(jù)第三段中的"Wewerereallysurprisedatthat"可知，黃石公園在意想不到的方面從重新引入狼中獲益。故選A。（2）考查細(xì)節(jié)理解。根據(jù)第五段中的“Tolearnmoreaboutjusthowwolvesarebeneficial,ashortdocumentaryfromQuestexplainshowthepresenceofwolvesinfluencesthebehaviorofdeer,whicheventuallymakesentireecosystemsmorebiologicallydiverseandhealthy.”可知，拍攝紀(jì)錄片的目的是了解狼是如何對生態(tài)有益的。故選D。（3）考查細(xì)節(jié)理解。根據(jù)最后一段中的“Theresearchisonemorepieceofevidenceforwhyprotectingthesetoppredatorsisimportantnotjustforwolvesasaspecies,butforhundredsofspeciesateverylevelofanecosystem.”可知，這項(xiàng)研究再次證明了為什么保護(hù)這些食肉動物不僅對狼這個(gè)物種很重要，而且對生態(tài)系統(tǒng)的各個(gè)層面的物種都很重要。故這項(xiàng)研究的意義在于它有助于證明保護(hù)狼的重要性。故選B。（4）考查主旨大意。本文主要講述了人類以及其他動物對狼的恐懼對維持健康、平衡的生態(tài)系統(tǒng)是有益的，因?yàn)槭巢輨游锊粫^度繁殖，從而保護(hù)了植物的生長。故選A。【點(diǎn)評】本題考點(diǎn)涉及細(xì)節(jié)理解，詞義猜測和主旨大意三個(gè)題型的考查，是一篇科研類閱讀，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。6．閱讀理解

Anewstudysuggestsalinkbetweenexposuretogreeneryandreduceddesiresforalcoholcigaretteandjunkfood.

Thestudyisthefirsttoinvestigatethepossiblerelationshipsbetweenexposuretonatureanddesiresandnegativeemotions.ResearchersattheUniversityofPlymouth'sSchoolofPsychologysurveyed149respondents(應(yīng)答者)aged21o65abouttheproportion(比例)ofgreenspaceintheirneighborhood,thepresenceofgreenviewsfromtheirhome,theiraccesstoagardenandhowoftentheyusepublicgreenspace.Thestudyalsoaskedquestionsaboutexperienceswithdepressionandanxiety,aswellasdesiresforthingslikecaffeine,alcoholandnicotine.Participantsratedtheintensity(強(qiáng)度),imagery,andintrusiveness(侵?jǐn)_性)oftheirdesiresonan11-pointscale.

Researchersfoundthepresenceofvisiblegreenspacecontributedtodecreaseddesiresforjunkfood.Theeffectwasparticularlynoticeablewhenmorethan25percentofarespondent'sviewwasgreenery.

Previousscholarship(學(xué)術(shù)研究)hasdealtmostlywithexerciseinnature:A2015studyoutoftheUniversityofMichiganfound90-minutegroupnaturewalkswereeffectiveatcombattingdepressionandrelievingothermooddisorders.Butforpeoplewhostrugglewithaccessibilityordon'thavetimefora90-minutewalk,thisnewstudysuggestsjustlookingoutawindowatatreecanhelpfightoffabadhabit.

"Ithasbeenknownforsometimethatbeingoutdoorsinnatureislinkedtoaperson'swell-being,"leadauthorLeanneMartinsaidinastatement."Butfortheretobeasimilarassociationwithdesiresfromsimplybeingabletoseegreenspaceaddsanewdimensiontothepreviousresearch."

A2018studyfromDenmark'sAarhusUniversityforexample,foundthat.Havingaccesstogreenspacethroughoutchildhooddecreasedaperson'sriskofdevelopingmentalhealthproblemsasanadult.（1）Whatdoesthesecondparagraphmainlytalkabout?A.Theresultsofthenewstudy.B.Thepurposeofthenewstudy.C.Thesignificanceofthenewstudy.D.Thecontentofthenewstudy.（2）Whatdoestheunderlinedword"combatting"inparagraph4probablymean?A.Reducing.B.Developing.C.Understanding.D.Encouraging（3）Accordingtothepassage,thenewstudy_____.A.mainlyreferredtoexerciseinnatureB.hasenrichedthepreviousresearchtosomedegreeC.wascarriedoutbytheUniversityofMichiganD.foundexposuretogreeneryhelpedcurementalproblems（4）nwhichsectionofanewspapermaythispassageappear?A.EntertainmentB.BusinessWorldC.Tech&ScienceD.Environment【答案】（1）D（2）A（3）B（4）C【解析】【分析】本文是一篇說明文，介紹了一項(xiàng)新的研究成果多看綠色植物和吃垃圾食品這兩者看似風(fēng)馬牛不相及，可研究結(jié)構(gòu)卻表明它們之間存在著一種奇妙的關(guān)系：多看綠色植物能幫助人們克制吃垃圾食品的欲望。（1）考查段落大意。根據(jù)第二段中的

“Researchers…surveyed149respondentsaged21o65abouttheproportionofgreenspaceintheirneighborhood…”研究人員調(diào)查了年齡在21~65歲之間的149名參與者小區(qū)內(nèi)的綠植比例……；以及“Thestudyalsoaskedquestionsaboutexperienceswithdepressionandanxiety…”研究中還問了與抑郁及焦慮有關(guān)的問題……等可知，第二段主要介紹了新研究的調(diào)查內(nèi)容，故選D。（2）考查詞義猜測。根據(jù)常識可知，在大自然中散步對人體有各種各樣的好處，再結(jié)合句中出現(xiàn)的“relievingothermooddisorders(緩解其他情緒紊亂)”不難推斷出，combattingdepression應(yīng)表示“減輕抑郁”。故選A。（3）考查細(xì)節(jié)理解。根據(jù)倒數(shù)第二段中的“…addsanewdimension(方面)tothepreviousresearch”為以前的研究增加了新的方面，可知，新的研究在某種程度上豐富了之前的研究成果。故選B。（4）考查推理判斷?？v觀全文可知，本文介紹了一項(xiàng)科學(xué)研究的研究成果，所以該文章最有可能出現(xiàn)在“技術(shù)與科學(xué)”版塊。故選C?！军c(diǎn)評】本題考點(diǎn)涉及細(xì)節(jié)理解，詞義猜測，推理判斷和段落大意四個(gè)題型的考查，是一篇科研類閱讀，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。7．閱讀理解

AnexperimentalcleanupdevicecalledRemoveDEBRIShassuccessfullycastanetaroundadummy(仿真的)satellite,imitatingatechniquethatcouldonedaycollectspacebornegarbage.

Thetest,whichwascarriedoutthisweek,iswidelybelievedtobethefirstsuccessfuldemonstrationofspacecleanuptechnology,expertstoldCNN.Anditsymbolizesanearlysteptowardsolvingwhathasalreadybeenacriticalissue:junkinspace.

Millionsofpiecesofjunkareturningaroundinorbittheresultof50yearsofspacetravelandfewregulationstokeepspaceclean.Atorbitalspeeds,evenasmallbitofpaintcrashingwithasatellitecancausecriticaldamage.

Variouscompanieshaveplanstosendthousandsofnewsatellitesintolow-Earthorbit,alreadythemostcrowdedarea.

TheRemoveDEBRISexperimentisrunbyacompanyandresearchersledbytheU.K.'sSurreySpaceCenterandincludesAirbus,Airbus-ownedSurreySatelliteTechnologyLtd.andFrance'sArianeGroup.

GuglielmoAglietti,thedirectorofSurreySpaceCenter,saidthatanoperationalversionoftheRemoveDEBRlStechnologywouldcastanetthatremainsfastenedtothemainsatellitesothedebriscanbedraggedoutoforbit.Itcouldtargetlargepiecesofjunk,includingdeadsatellitesupto10meterslong.

TheRemoveDEBRISsatellitewillconductafewmoreexperimentsinthecomingmonths,includingtestingnavigationfeaturesthatcouldhelpguidethesatellitetoaspecificpieceofdebris.JonathanMcDowell,anastrophysicistattheHarvard-SmithsonianCenterforAstrophysics,saidthesuccessofthisweek'sexperimentwasexciting,buthecautionedagainst"over-publicizing"it.

Therearestillenormousbarrierstoclearbeforeoperationalcleanuptasksareunderway,hesaid,andthemostdiscouragingisfiguringouthowtofundsuchprojects.

Aglietti,theSurreyprofessorwhohelpedleadtheRemoveDEBRISproject,said"Thechallengewilllieinpersuadingtherelevantauthoritiestosponsorthesetasks."AgliettisaidhehopesRemoveDEBRISwillconductafewcleanuptasksperyear,targetingthelargestpiecesofjunkinthemostcrowdedorbits.（1）WhatistheuseoftheRemoveDEBRISsatellite?A.

Demonstratingspacetechnology.

B.

Imitatingadevelopingtechnique.C.

Collectingwastesexistinginspace.

D.

Symbolizinggreatprogressinspace.（2）HowdoestheRemoveDEBRlSsatellitework?A.

Bythrowinganettotakethejunkfromorbit.B.

Byfasteningittothemainsatellitetightly.C.

Bydraggingsatellitesupto10meterslong.D.

Bytargetinglargepiecesofjunkcarefully.（3）Whatdoestheunderlinedword"sponsor"inthelastparagraphprobablymean?A.

Accomplish.

B.

Support.

C.

Oppose.

D.

Provide.（4）What'sthebesttitleforthetext?A.

TheRemoveDEBRISProjectIsPerfectB.

HowRemoveDEBRISIsInventedintheLabC.

WhytheRemoveDEBRISSatelliteIsInventedD.

SatelliteCollectsSpaceJunkfortheFirstTime【答案】（1）C（2）A（3）B（4）D【解析】【分析】本文是一篇說明文，介紹了“衛(wèi)星首次收集太空垃圾?！币环N名為“清除碎片”的實(shí)驗(yàn)清理設(shè)備成功地在一顆虛擬衛(wèi)星周圍撒網(wǎng)，模仿一種有朝一日可能收集太空垃圾的技術(shù)。（1）考查細(xì)節(jié)理解。根據(jù)第一段中“...,imitatingatechniquethatcouldonedaycollectspacebornegarbage.”模仿一種有一天可以收集太空垃圾的技術(shù)?？芍?，theRemoveDEBRIS衛(wèi)星的用途是收集太空中存在的廢物。故選C。（2）考查推理判斷。根據(jù)第六段中的“...,saidthatanoperationalversionoftheRemoveDEBRlStechnologywouldcastanetthatremainsfastenedtothemainsatellitesothedebriscanbedraggedoutoforbit.Itcouldtargetlargepiecesofjunk,includingdeadsatellitesupto10meterslong.“該公司表示，一種操作性版本的RemoveDEBRlS技術(shù)將會在主衛(wèi)星上撒網(wǎng)，這樣碎片就可以被拖出軌道。它可以瞄準(zhǔn)大塊的垃圾，包括長達(dá)10米的報(bào)廢衛(wèi)星?！笨芍?，RemoveDEBRlS衛(wèi)星是通過撒網(wǎng)把垃圾帶離軌道。故選A。（3）考查詞義猜測。根據(jù)最后一段中的”AgliettisaidhehopesRemoveDEBRISwillconductafewcleanuptasksperyear,targetingthelargestpiecesofjunkinthemostcrowdedorbits.“Aglietti說，他希望清理碎片的工作每年能進(jìn)行幾次，目標(biāo)是最擁擠軌道上最大的垃圾碎片。可知，“挑戰(zhàn)在于說服有關(guān)當(dāng)局贊助這些任務(wù)?！笨芍瑒澗€詞的意思是“支持”。故選B。（4）考查主旨大意。根據(jù)第二段中的”Thetest,whichwascarriedoutthisweek,iswidelybelievedtobethefirstsuccessfuldemonstrationofspacecleanuptechnology,expertstoldCNN.Anditsymbolizesanearlysteptowardsolvingwh