【英語】高中英語閱讀理解(科普環(huán)保)(一)解題方法和技巧及練習(xí)題一、高中英語閱讀理解科普環(huán)保類1．犇犇閱讀下列短文，從每題所給的A、B、C和D四個選項中，選出最佳選項。

Ateamofinternationalscientistsisduetosetofffortheworld'sbiggesticeberginamissionaimingtoanswerfundamentalquestionsabouttheimpactofclimatechangeinthepolarregions.Thescientists,ledbytheBritishAntarcticSurvey(BAS),aretryingtoreachanewlyrevealedecosystemthathadbeenhiddenfor120,000yearsbelowtheLarsenCiceshelf.

Lastyear,partoftheLarsenCiceshelfcalved(崩解)away,formingahugeiceberg-A68—whichisfourtimesbiggerthanLondon,andrevealinglifebeneathforthefirsttime.Nowscientistssayitisaraceagainsttimetoexplorethesenewecosystemsbeforetheyaretransformedtothelight.MarinebiologistDrKatrinLinsefromtheBASisleadingthemission.

"ThecalvingofA68providesuswithauniqueopportunitytostudymarinelifeasitrespondstoahugeenvironmentchange,"shesaid."Itisimportantthatwegettherequicklybeforetheunderseaenvironmentchangesassunlightentersthewater."

ProfessorDavidVaughan,sciencedirectorattheBAs,said,"Weneedtobebold(大膽的)onthisone.LarsenCisalongwaysouthandthere'slotsofseaiceinthearea,butthisisimportantscience,sowewilltryourbesttogettheteamwheretheyneedtobe.HesaidclimatechangehadalreadyaffectedtheseaaroundAntarcticaandiswarmingsomecoastalwaters."Futurewarmingmaymakesomehabitatswarm.Wherethesehabitatssupportuniquespeciesthatareadaptedtolovethecoldandnotthewarm,thosespeciesaregoingtoeithermoveordie."

ThereisgrowingconcernaboutthepossibleimpactofclimatechangeintheAntarctic.Earlierthismonth,areportrevealedthatmeltingicesheetsinGreenlandandAntarcticaarespeedingupthealreadyfastpaceofthesealevelrise.Theresearch,publishedbytheNationalAcademiesofScience,EngineeringandMedicine,said,"Atthecurrentrate,theworld'soceanwillbe,onaverage,atleast60cmhigherbytheendofthecentury."However,itfoundthattheprocessisaccelerating,andmorethanthreequartersoftheaccelerationsince1993isduetomeltingicesheetsinGreenlandandAntarctica,thestudyshows.（1）Whyarethescientistseagertogototheiceberg?A.

Tostudyhowtheicebergwasformed.B.

Tostudyanewlydiscoveredecosystem.C.

Toexploreanewwaytopreventclimatechange.D.

ToexplorethegeographyoftheLarsenCiceshelf.（2）Whatdotheunderlinedwords"thisone"inthefourthparagraphreferto?A.

TheLarsenCiceshelf.B.

ClimatechangeinAntarctica.C.

TheA68icebergwiththeecosystembeneathit.D.

TheconditionofanimalspeciesinAntarctica.（3）WhatcanwelearnabouttheA68icebergfromthetext?A.

ItisasbigasLondon.B.

ItispartofaniceshelfintheArctic.C.

Itwilldisappearinaveryshorttime.D.

IthasuncoveredanunknownecosysteminAntarctica.（4）Whatcanweinferfromthelastparagraph?A.

ThereisnoneedtoworryaboutclimatechangeinAntarctica.B.

TheicesheetsinGreenlandandAntarcticaaremeltingatasteadyrate.C.

Manycreatureslivingindeepwaterwilldieoutduetoclimatechange.D.

By2100,thesealevelwillhaverisentoamuchhigherlevelthannow.【答案】（1）B（2）C（3）D（4）D【解析】【分析】本文是一篇說明文，南極地區(qū)的拉森C冰架崩解形成了一座巨大的冰山A68iceberg。冰山下面顯現(xiàn)的新的海洋生態(tài)系統(tǒng)為科學(xué)家提供了研究未知的海洋生物的機會。（1）考查細節(jié)理解。根據(jù)第二段中的“Nowscientistssayitisaraceagainsttimetoexplorethesenewecosystemsbeforetheyaretransformedtothelight.”可知，科學(xué)家著急趕去世界最大的冰山是為了在其受到光照影響之前研究這座冰山下面的海洋生態(tài)系統(tǒng)。故選B。（2）考查詞義猜測。根據(jù)第三段中的“ThecalvingofA68providesuswithauniqueopportunitytostudymarinelife...”可知A68冰山的形成為科學(xué)家提供了研究海洋生物的獨一無二的機會，所以ProfessorDavidVaughan認為科學(xué)家要果敢地抓住這次機會，故thisone指的是A68冰山和它下面的生態(tài)系統(tǒng)。故選C。（3）考查細節(jié)理解。根據(jù)第一段中的“toreachanewlyrevealedecosystemthathadbeenhiddenfor120,000yearsbelowtheLarsenCiceshelf.”到達一個新發(fā)現(xiàn)的在拉森冰架下面隱藏了12萬年的的生態(tài)系統(tǒng)，可知選D。（4）考查推理判斷。根據(jù)最后一段中的“…Atthecurrentrate,theworld'soceanswillbe,onaverage,atleast60cmhigherbytheendofthecentury.”按目前的速度，世界的海洋到本世紀末平均至少升高60厘米，選D?！军c評】本題考點涉及細節(jié)理解，詞義猜測和推理判斷三個題型的考查，是一篇環(huán)境類閱讀，考生需要準(zhǔn)確掌握細節(jié)信息，同時根據(jù)上下文的邏輯關(guān)系，進行分析，推理，從而選出正確答案。2．犇犇Choosetheonethatfitsbestaccordingtotheinformationgiveninthepassageyouhavejustread.

Whilefakingandfiercelooksareamonganimalsgreatdefenses,manyspeciesknowthateveryonerunsfromabigstink(臭氣)too.

Vulture(禿鴛)

Vultures,arestreetsweepersthatfeastontherottingfleshofdeadanimals,whichbenefitsusbyriddingourhighwaysandlandscapesofanimalbodiesandthebacteriatheymightcarry.Whenvulturesfeelthreatenedtheyvomit,andthesmellofvomited-ondeadbodiesputsofmostpredators.Throwingupallowsthevulturetoflyawaymorequickly-andthevomitcanhurttheaggressor'seyesandface.

Opossum(負鼠)

Insomewaysopossumshaveiteasy.Inordertobecome"dead",theydon'thavetofaxanyoneadeathcertificate.Theyjustlietherewiththeirtongueshangingoutwiththesmellofdeadflesh,sometimesforhours,effectivelyconvincingpotentialpredatorstheycanfindamuchfreshermealelsewhere.Eveniftheykeepgettingattacked,theywon'tmoveanymorethanahumanstatueuntilthethreathaspassed.

Hoatzin(磨雉)

Holdyournoseandmeetthehoatzin,abirdofdistinctions,nottheleastofwhichisthatitsmellslikefreshcowshit.Theanimalmostlyeatsleavesandit'stheonlybirdknowntodigestbyfermentation,likeacow.Thisprocessiswhatcausesitssmellandhasearneditthenicknamethe"stinkbird

Millipedes(千足蟲)

Millipedesaretricky.Forstarterstheylookwormy.Theirnameisdeceptive,too:Theirlegsnumberabout750.Theirmajordefenseistocurlupintoaball.They,though,alsoreleaseaharmeyes,andleaveahorriblesmellontheirattackers.

SeaHare(海兔)

Thegracefulseahareisplainintasteinthefirstplace,soit'snotthemostpopulardishintheseafoodchain.Nonethelessthistypeofseacreaturehasaprettycreativesmell-relateddefensethatisalmosttheoppositeofitssmellycompanionsonthislist.Theseaharegivesoutaslimy,purpleink,thesubstancewhichmakesfoodlesspalatabletopredators.

Researchersusinglobsters(2-f)asmodelpredatorsfoundthattheseablocksthelobstersreceptivemechanism.Inotherwords,theseaharegivesitsattackertheequivalentofastuffynosesotheydon'tknowhowappealingitis.（1）Theseaharedefendsitselffrompredatorsby________.A.

becomingplainintasteatthediscoveryofapredatorB.

givingoutpurpleinktomakeitselfinvisibletopredatorsC.

releasingsubstancetomakepredatorsunabletosmellitD.

givingoffsmellygastotrytodrivepredatorsaway（2）WhichofthefollowingstatementsisTRUEaccordingtothepassage?A.

Thevulturecarriesbacteriasothatpredatorsdarenotgetclosetoit.B.

Theopossumfakesitsdeathtoavoidbeingtargetedbypredators.C.

Thehoatzineatscowshitsothatitisnick-namedas"stinkbird".D.

Thegasreleasedbymillipedewasbasicallyharmless.（3）Thespeciesthatenjoysmorethanonedefensemechanismis________.A.

vulture

B.

opossum

C.

millipede

D.

seahare【答案】（1）C（2）B（3）C【解析】【分析】本文是一篇說明文，介紹了一些野生動物是如何進行自身防御的。（1）考查細節(jié)理解。根據(jù)

SeaHare(海兔)部分中的“Theseaharegivesoutaslimy,purpleink,thesubstancewhichmakesfoodlesspalatabletopredators.”可知，海兔身上散發(fā)出黏糊糊的紫色墨水，這種物質(zhì)使得捕食者對食物不那么感興趣，從而保護自己免受捕食者的傷害。故選C。（2）考查細節(jié)理解。根據(jù)

Opossum(負鼠)部分中的“Inordertobecome‘dead’,theydon'thavetofaxanyoneadeathcertificate.Theyjustlietherewiththeirtongueshangingoutwiththesmellofdeadflesh,sometimesforhours,effectivelyconvincingpotentialpredatorstheycanfindamuchfreshermealelsewhere.”可知，負鼠假裝死亡，讓捕食者在其他地方找到更新鮮的食物，以避免成為捕食者的目標(biāo)。故選B。（3）考查推理判斷。根據(jù)Millipedes(千足蟲)部分中的“Theirmajordefenseistocurlupintoaball.They,though,alsoreleaseaharmeyes,andleaveahorriblesmellontheirattackers.”可知，千足蟲主要防守是蜷成一團。然而，它們也會釋放出有害的

眼睛，并在攻擊者身上留下可怕的氣味。從而可以推斷出，千足蟲是擁有多種防御機制的物種。故選C?！军c評】本題考點涉及細節(jié)理解和推理判斷兩個題型的考查，是一篇科普類閱讀，考生需要準(zhǔn)確捕捉細節(jié)信息，并根據(jù)上下文進行邏輯推理，從而選出正確答案。3．犇犇閱讀下列短文，從每題所給的A、B、C和D四個選項中，選出最佳選項。

AfteramorninghikeintheSaneumHealingForest,46-year-oldfirefighterKangByoung-wookhasteamadefromthebarkofanelmtree,practicesyoga(瑜伽),andmakesapicturewithdriedflowers.Heisoneof40firefighterstakingpartinathree-dayprogram,theaimofwhichistooffer"foresthealing"(森林治愈);thefirefightersallhaveposttraumaticstressdisorder(創(chuàng)傷后應(yīng)激障礙).

SaneumisoneofthreeofficialhealingforestsinSouthKorea.Soontherewillbe34more.SouthKoreans-manyofwhomsufferfromworkstress,digitaladdiction,andgreatacademicpressurehaveacceptedthemedicalizationofnaturewithgreatenthusiasm.

Thereisincreasingevidencethatbeingoutsideinapleasantnaturalenvironmentisgoodforus.Buthowmanyofusgettoenjoynatureregularly?Fewerandfewer,itseems.AccordingtoLisaNisbet,apsychologyprofessoratCanadasTrentUniversity,evidenceforthebenefitsofnatureispouringinatatimewhenwearemostdisconnectedfromit.

"Wedon'tthinkofbeingoutdoorsasawaytoincreasehappiness,"saysNisbet."Wethinkotherthingswill,likeshoppingorTV."ButSouthKoreaisstartingtochallengethisopinion.

SowhataresomeofthebenefitsofnaturethatNisbetrefersto?Beingsurroundedbynaturehasoneobviouseffect:Itcalmsusandreducesourstresslevels.Thishasbeenshowntolowerbloodpressureandheartrates.

AnotherexperimentconductedbypsychologistStephenKaplanfoundthatpeoplewhotooka50-minutewalkinaparkhadbetterattentionandshort-termmemorythanthosewhotookawalkalongacitystreet.

Perhapswhat'smoresurprisingisthatnaturemayalsomakeusmorecreative.DavidStrayer,apsychologistattheUniversityofUtah,showedasmuchwithagroupofparticipants,whoperformed50percentbetteroncreativeproblem-solvingtasksafterthreedaysofwildernessbackpacking.

Infact,wemayneverknowexactlywhatnaturedoestothebrain.Somethingmysteriouswillalwaysremain,andmaybethat'sasitshouldbe.（1）WhatisKangByoung-wookdoing?A.Gettinglostinnature.B.Buildinguphisstrength.C.Tryingtocontrolaforestfire.D.Helpingfirefightersunderstress.（2）WhatdoesLisaNisbetthinkofbeingoutdoors?A.Itisoverlookedbypeople.B.Ithasnothingtodowithhappiness.C.SouthKoreansshowgreatinterestinit.D.Weneedmoreevidenceforitsbenefits.（3）WhatbenefitofnaturedidStephenKaplanfind?A.Itaffectspeople'sfeelings.B.Itlowerstherisksofdiseases.C.Ithelpsimprovementalperformance.D.Itdoesmoregoodthanphysicalexercise.（4）Whatwouldbethebesttitleforthetext?A.YourlifeinforestsB.YourbrainonnatureC.ThefutureofforesthealingD.Thebenefitsofastress-freelife【答案】（1）A（2）A（3）C（4）B【解析】【分析】本文是一篇說明文，由韓國患創(chuàng)傷后應(yīng)激障礙的消防員接受森林治愈談起，介紹了大自然對我們身心健康的益處。（1）考查細節(jié)理解。根據(jù)第一段中的“KangByoung-wookhasteamadefromthebarkofanelmtree,practicesyoga(瑜伽),andmakesapicturewithdriedflowers.”可知，KangByoung-wook正在接受森林治愈：品茶、做瑜伽、做手工。他完全沉浸在大自然之中。故選A。（2）考查推理判斷。根據(jù)第三段中的“Buthowmanyofusgettoenjoynatureregularly?Fewerandfewer和evidenceforthebenefitsofnatureispouringinatatimewhenwearemostdisconnectedfromit”以及第四段中LisaNisbet所說的話可知，他認為現(xiàn)代人忽視了大自然的重要性，戶外活動少了。故選A。（3）考查細節(jié)理解。根據(jù)倒數(shù)第三段中的“hadbetterattentionandshort-termmemory”可知，StephenKaplan的研究發(fā)現(xiàn)親近大自然可以提高注意力和短期記憶力，也就是說提高了大腦的工作效率。故選C。（4）考查主旨大意。本文主要介紹了森林治愈和大自然對于人類健康尤其是大腦工作效率和減緩壓力方面的益處，故B項作標(biāo)題最符合文章的主旨。故選B?！军c評】本題考點涉及細節(jié)理解，推理判斷和主旨大意三個題型的考查，是一篇健康類閱讀，要求考生在捕捉細節(jié)信息的基礎(chǔ)上，進一步根據(jù)上下文的邏輯關(guān)系，進行分析，推理，概括和歸納，從而選出正確答案。4．犇犇閱讀理解

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。分析選項可知A項符合題意，故選A。（2）考查細節(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)研究小組認為要進一步的測試，以確?；蚬こ踢^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一步的完善。故選C。（4）考查推理判斷?？v觀全文可知，本文介紹了最近的一項研究，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評】本題考點涉及細節(jié)理解和推理判斷兩個題型的考查，是一篇科研類閱讀，考生需要準(zhǔn)確捕捉細節(jié)信息，同時根據(jù)上下文進行邏輯推理，從而選出正確答案。5．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)的云層所獨有的，有時它們會導(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臨的龍卷風(fēng)展開的，故選B。（2）考查細節(jié)理解。根據(jù)第二段中的“Daytimeskiesarebluebecauseblueshorterwavelengthsofvisiblelighttendtobounceoff（反射）airmoleculesbetterthanredlongerwavelengthlight.”可知，白天天空是藍色,因為藍色短的波長的可見光會反射空氣分子比紅色的長波長光。故選C。（3）考查代詞指代。根據(jù)第二段中的“Thesunsetmightlookexclusively（獨有的）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，水既能反射藍光，也能反射紅光，故選B?！军c評】本題考點涉及細節(jié)理解，代詞指代，推理判斷和主旨大意四個題型的考查，是一篇科普類閱讀，要求考生在捕捉細節(jié)信息的基礎(chǔ)上，進一步根據(jù)上下文的邏輯關(guān)系，進行分析，推理，概括和歸納，從而選出正確答案。6．犇犇閱讀理解

Agooddisguisekeepsyouhidden,right?Well,sometimesthebestdisguiseisactuallythemostdazzlingbecauseresearchrevealsthatflashymetalliciridescence(金屬彩虹色)canvisuallypuzzlepredators,whichallowscolorfulpreytosurviveanotherday.ThosesurprisingresultsappearinthejournalScientificReports.

Shiningiridescentcolor,whichchangesdependingontheanglefromwhichit'sviewed,isfavoredbyeverythingfrombirdstobeetlesandblossomstobutterflies.

"Andinourresearchgroupweareofcourseinterestedinwhythisvividmetalliccolorissowidespreadinnature."KarinKjernsmooftheUniversityofBristoladdsthatinsomecasestheshowysplashesoflightareasexualstrategy."HereIwouldliketopointoutthatinsomespecies,particularlythosethatdisplaystrongsexualdimorphism(雌雄兩性),suchasbirdsofparadiseorsomebutterfliesorfishes,theoccurrenceofiridescenceismostlikelydrivenbysexualselection.Forexample,inmanyofthesecasesitisthemalesthathavethesevividiridescentcolorsandtheyusetheminmatechoiceortheyusethemasasignaltoattractmates."

Butiridescencealsoshowsupinsituationswherereproductionisnotanissue."Sowhatwearestudyingnowiswhethernaturalselectionimposedbypredation(捕食行為)couldexplaintheoccurrenceofiridescenceinpreyanimals."

Theideathateye-catchingcolorscouldbeusedasacover-upisn'tanewone."Thefatherofcamouflagetheory,AbbottThayer,reallybelievedthatiridescenceshouldbecategorizedasacamouflagestrategy.AndhewroteinhisfamouslifeworkConcealing-ColorationintheAnimalKingdom,alreadyin1909,that'brilliantlychangeableormetalliccolorsareamongthestrongestfactorsinananimal'sconcealment'.Andthissoundslikeacompletelyunreasonablethingtosay,becausehowcancolorsthatarebothbrilliantandchangeablecontributetoanimal'sconcealment？"

"Inasimilarway,wewereaskingwhetheriridescence,duetoitschangeability,couldworkasaformofcamouflagebypreventingshaperecognition."Kjernsmoandhercolleaguestrainedbumblebeestoassociateaparticularshape—acircleoranoval—withasugarreward.Andtheyfoundthatthebees,whengivenachoice,wouldpreferentiallyvisittheshapetheyknewtobesweet.Butwhentheshapeswereiridescent,thebeeshadtroubletellingthemapart."Itseemedthatthestrikinglyiridescentsurfacesonourtargetsvisuallybrokeuptheotherwiserecognizableshapeofthetargets,whichmadethemhardtodistinguish."Asformakinguseofthismethodforhidinginplainsight,"Anypracticalapplicationsisofcoursedirectlylinkedtoanyindustrythathasaninterestincamouflage,thatishowtoconcealobjectsormakethemmoredifficulttorecognize."Theresearchersarecurrentlyconductingexperimentswithbirds,whichoftenpreyoniridescentinsectstoseeifithelpstohaveabird's-eyeview.（1）Accordingtothepassage,iridescenceisnotmadeuseofbyanimalsto________.A.

livealittlelongerbyescapingtheirpredator(捕食者)

B.

catchtheattentionoftheirmatesC.

concealthemselveswhenindanger

D.

catchsightofmorecolorfulpreys（2）Fromthestudyinthelastparagraph,wecanlearnthat________.A.

BeescanalwaystellthedifferencebetweenacircleandanovalB.

BeesarecreaturesthatarefascinatedbysweetthingsthatareiridescentC.

Ifacircle,withasugarreward,isiridescent,thebeesmayhavedifficultyfindingitD.

Beesarelikelytoprefercirclestoovals,whethertheyareiridescentornot（3）Whatwillbetalkedaboutinthefollowingparagraph?A.

Whetherthereareanydifferencesbetweenbeesandbirds.B.

Someindustriesthathavegreatinterestincamouflage.C.

Whybirdsarenoteffectedbyiridescentinsects.D.

Whichcamouflagetheoryappliesmoretobirds.（4）Whichofthefollowingmightserveasthebesttitleofthepassage?A.

Afamouscamouflagestrategy

B.

MetalliciridescentasthebestdisguiseC.

Colorsuniquetoanimals

D.

Shiningcolorsasasexualstrategy【答案】（1）D（2）C（3）C（4）B【解析】【分析】本文是一篇說明文，介紹了彩虹色有助于生物隱藏。（1）考查細節(jié)理解。根據(jù)第一段中的“Agooddisguisekeepsyouhidden,right?Well,sometimesthebestdisguiseisactuallythemostdazzlingbecauseresearchrevealsthatflashymetalliciridescence(金屬彩虹色)canvisuallypuzzlepredators,whichallowscolorfulpreytosurviveanotherday.”可知彩虹色被動物用來通過逃離捕食者而活得更久，排除A；根據(jù)第三段中的“HereIwouldliketopointoutthatinsomespecies,particularlythosethatdisplaystrongsexualdimorphism(雌雄兩性),suchasbirdsofparadiseorsomebutterfliesorfishes,theoccurrenceofiridescenceismostlikelydrivenbysexualselection.”在這里我想指出的是，在某些物種中，尤其是那些表現(xiàn)出強烈兩性差異的物種，比如天堂鳥、孔雀，甚至在某些蝴蝶或魚類中，彩虹色的出現(xiàn)很可能是由性別選擇所驅(qū)動的?？芍獎游镉貌屎缟鹜榈淖⒁?，排除B；根據(jù)倒數(shù)第二段中的“Theideathateye-catchingcolorscouldbeusedasacover-upisn'tanewone.”引人注目的顏色可以用來偽裝，這種想法并不新鮮，排除C，故選D。（2）考查細節(jié)理解。根據(jù)最后一段中的“Itseemedthatthestrikinglyiridescentsurfacesonourtargetsvisuallybrokeuptheotherwiserecognizableshapeofthetargets,whichmadethemhardtodistinguish.”似乎我們的目標(biāo)上驚人的彩虹表面在視覺上打破了原本可以辨認的目標(biāo)形狀，這使得它們很難區(qū)分。故選C。（3）考查推理判斷。根據(jù)最后一段說研究人員目前正在對鳥類進行實驗，這些鳥類的飲食中經(jīng)常含有彩虹色的昆蟲。實驗?zāi)康氖强纯带B類的視角是否能提供幫助。由此推斷接下來一段會談?wù)摓槭裁带B類不受彩虹色昆蟲的影響，故選C。（4）考查主旨大意。第一段中的“Well,sometimesthebestdisguiseisactuallythemostdazzlingbecauseresearchrevealsthatflashymetalliciridescence(金屬彩虹色)canvisuallypuzzlepredators,whichallowscolorfulpreytosurviveanotherday.”有時，最好的偽裝其實是最耀眼的偽裝，因為研究表明，閃光的金屬彩虹色能在視覺上迷惑捕食者，這讓五顏六色的獵物能夠再存活一天，是全文的主題句，結(jié)合全文內(nèi)容，可知這篇文章主要講了彩虹色有助于生物隱藏，故選B?！军c評】本題考點涉及細節(jié)理解，推理判斷和主旨大意三個題型的考查，是一篇科研類閱讀，要求考生在捕捉細節(jié)信息的基礎(chǔ)上，進一步根據(jù)上下文的邏輯關(guān)系，進行分析，推理，概括和歸納，從而選出正確答案。7．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"GreenpeacewelcomestheaimoftheLoopAlliancetomoveawayfromthrowawaycultureanddispos