高考英語高中英語閱讀理解(科普環(huán)保)技巧小結及練習題一、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。

Supercomputerswhichcananalysebloodsamplesandpredictwhichpatientsarelikelytobecomeseriouslyillcouldsavetensofthousandsoflivesayear,itwasrevealedlastnight,accordingtoTheDailyExpress.

Theartificialintelligence(AI)system,developedatUniversityCollegeLondonandsettobepilotedinNHShospitalslaterthisyear,willscreen"atrisk"patientssodoctorscantakeearlyactiontopreventdeathorseriousillness.ProfYoung,aconsultantsurgeonatSouthendUniversityHospital,said:"Iamsoexcitedaboutthisformoftechnology."Insteadofpeoplegettingsickordyingbecausetheyarenotpickedupintime,thiswillallowustostepinearlierwhichwillsavelivesandanenormousamountofmoney."IthinkthepotentialofAIinhealthcarelikethisisasbigastheIndustrialRevolutionwas—andsignalsacompletelynewexampleinthewaywemanagehealthcare."

ThetechnologyisthebrainchildofDrVishalNangalia,aconsultantattheRoyalFreeHospitalinLondon.HeusedAItoanalyseabillionstoredbloodsamplesfrom20differentUKhospitaltrustsdatingbackupto12years.Computersassessbloodtestresultsbypickingupsubtlechangesinredandwhitebloodcells,suggestingapatientisgoingdownhill.

Hefoundthetechniqueforecastoutcomesofpatientswithkidneyproblemswithupto95percentaccuracy.Traditionalmethodshighlightingseriouspatientconcernspickedupasfewas16percentofpatientswhowentontodie."Thisgivesustheopportunitynotonlytosavelivesbuttopreventseriousillness,makingthehealthservicenotonlysaferbutmoreefficient."ProfYoungsaid,"Insteadofwaitingforpeopletogetworse,wewillbeabletotreatthemearlier."（1）Whatdoestheunderlinedphrase"screen"inParagraph2mean?A.

comfort

B.

treat

C.

spot

D.

nurse（2）Howdosupercomputershelpsavelives?A.

Bystoringbloodsamples.

B.

Byanalyzingpatients'cases.C.

Byobservingchangesinbloodcells.

D.

Byassistingdoctorswiththeiroperations.（3）WhydidProfessorYoungmentiontheIndustrialRevolution?A.

ToshowtheinfluenceofAI.B.

Tostresstheimportanceofhealthcare.C.

Tointroducethetopicofsupercomputers.D.

Topresenttheachievementhehasaccomplished.（4）Whatdoweknowaboutthenewtechnology?A.

Ithelpspatientsrecoverearlier.B.

Ithashelpedsavethousandsoflives.C.

Itwillpromotethehealthservicegreatly.D.

Itisintendedforpatientswithkidneydiseases.【答案】（1）C（2）C（3）A（4）C【解析】【分析】本文是一篇說明文，介紹超級計算機能夠分析血樣并預測哪些病人可能會患上重病，每年可以挽救數(shù)萬人的生命。（1）考查詞義猜測。根據第二段中的“sodoctorscantakeearlyactiontopreventdeathorseriousillness.”以便醫(yī)生能夠及早采取行動，預防死亡或嚴重疾病，可以猜測出，人工智能將用于對高危病人進行“篩查”。此處screen意為“篩查”。故選C。（2）考查細節(jié)理解。根據第三段中的“Computersassessbloodtestresultsbypickingupsubtlechangesinredandwhitebloodcells,suggestingapatientisgoingdownhill.”可知，計算機通過檢測紅細胞和白細胞的細微變化來評估血液檢測結果。故選C。（3）考查推理判斷。根據第二段中的"IthinkthepotentialofAIinhealthcarelikethisisasbigastheIndustrialRevolutionwas—andsignalsacompletelynewexampleinthewaywemanagehealthcare."楊教授認為，人工智能在醫(yī)療保健領域的潛力與工業(yè)革命一樣大，以此類比，說明人工智能在醫(yī)療領域的影響力。故選A。（4）考查推理判斷。根據最后一段中的"Insteadofwaitingforpeopletogetworse,wewillbeabletotreatthemearlier."可知，這項技術將能夠更早地治療患者，而不是坐等病情惡化，從而推斷，人工智能這一科技幫助醫(yī)生對疾病診療早預判，早介入，從而幫助挽救大量生命，將大大促進衛(wèi)生服務。故選C。【點評】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，是一篇科研類閱讀，考生需要準確掌握細節(jié)信息，并根據上下文的邏輯關系，進行分析，推理，從而選出正確答案。2．犇犇閱讀下面文章，然后從題中所給的A、B、C、D四個選項中，選出每個問題的最佳選項。

AninternationalteamofresearchersfromtheUniversityofOxfordhavefoundthatthewaypeopleusetheInternetiscloselytiedtotheseasonalmovementsinthenaturalworld.Theironlinespeciessearchesfollowthepatternsofseasonalanimalmigrations(遷徙).

Migratorybirds(候鳥)floodbacktowheretheyreproduceeveryspring.Thatmigratorybehaviorisaccompaniedbysomehumanbehavior."InEnglish-languageWikipedia(維基百科),theonlinesearchesformigratoryspeciestendtoincreaseinspringwhenthosebirdsarriveintheUnitedStates,"saidtheleadauthorJohnMittermeier.

Andnotjustbirds.Mittermeierandhisteamsurveyednearly2.5billionWikipediasearchrecords,for32,000species,across245languages.Theyalsosawvariablesearchratesforinsects,horsetailsandfloweringplants.SeasonaltrendsseemedtobewidespreadinWikipediabehaviorformanyspeciesofplantsandanimals.

Thisfindingsuggestsnewwaystomonitorchangesintheworld'sbiologicaldiversity.Italsoshowsnewwaystoseehowmuchpeoplecareaboutnature,andwhichspeciesandareasmightbethemosteffectivetargetsforconservation.

Mittermeierisencouragedbythesearchresults.Hecommented,"Ithinkthere'saconcernamongconservationists(生態(tài)環(huán)境保護者)thatpeoplearelosingtouchwiththenaturalworldandthatthey'renotinteractingwithnativespeciesanymore.Andsointhatsense,itwasreallyexcitingandquiteunexpectedformetoseepeople'sWikipediainterestcloselyrelatedtochangesinnature."

RichardGrenyer,AssociateProfessorfromtheUniversityofOxford,sayssearchdataisusefultoconservationbiologists,"Byusingthesebigdataapproaches,wecandirectourattentiontowardsthedifficultquestionsinmodernconservation:whichspeciesandareasarechanging,andwherearethepeoplewhocarethemostandcandothemosttohelp."（1）Whathaveresearchersfoundaboutspeciessearches?A.Theystrengthentiesamongpeople.B.Theyaffecttheanimalmovements.C.Theydifferinlanguagebackgrounds.D.Theyreflectanimalmigrationseasons.（2）WhatisthepurposeofwritingParagraph3?A.Tosummarizetheresearchprocess.B.Tofurthersupporttheresearchfindings.C.Toshowthevarietyofspeciessearches.D.Topresentresearchers'heavyworkload.（3）HowdoesMittermeierfeelaboutthesearchresults?A.SatisfiedwithWikipedia'sservice.B.WorriedaboutWikipediabehavior.C.Amazedatpeople'scareaboutnature.D.Sadaboutpeople'snotgettingclosetonature.（4）WhydoesRichardthinksuchsearchdataisuseful?A.Ithelpstoaimatconservationtargets.B.Itincreasesinterestinbigdataapproaches.C.Itkeepstrackoftrendsinbiologists'work.D.Itpushespeopletosolvedifficultproblems.【答案】（1）D（2）B（3）C（4）A【解析】【分析】本文是一篇說明文，牛津大學的一個國際研究小組發(fā)現(xiàn)，人們使用互聯(lián)網的方式與自然界的季節(jié)性運動密切相關。他們的在線物種搜索遵循季節(jié)性動物遷徙的模式。這一發(fā)現(xiàn)提出了監(jiān)測世界生物多樣性變化的新方法。它還展示了一種新的方式來了解人們有多關心自然，以及哪些物種和地區(qū)可能是最有效的保護目標。（1）考查細節(jié)理解。根據第一段中的“Theironlinespeciessearchesfollowthepatternsofseasonalanimalmigrations(遷徙).”可知關于物種搜索，研究人員發(fā)現(xiàn)了他們遵循季節(jié)性動物遷徙的模式。故選D。（2）考查推理判斷。根據第三段中的“SeasonaltrendsseemedtobewidespreadinWikipediabehaviorformanyspeciesofplantsandanimals.”可知在維基百科上，許多動植物的行為似乎都有季節(jié)性趨勢。即第三段的寫作目的是為了進一步支持研究結果。故選B。（3）考查細節(jié)理解。根據倒數(shù)第二段中的“itwasreallyexcitingandquiteunexpectedformetoseepeople'sWikipediainterestcloselyrelatedtochangesinnature”可知Mittermeier看到人們對維基百科的興趣是與大自然的變化密切相關的，感到非常興奮和意外。故選C。（4）考查細節(jié)理解。根據最后一段中的“Byusingthesebigdataapproaches,wecandirectourattentiontowardsthedifficultquestionsinmodernconservation:whichspeciesandareasarechanging,andwherearethepeoplewhocarethemostandcandothemosttohelp.”可知Richard認為通過使用這些大數(shù)據方法，我們可以將我們的注意力轉向現(xiàn)代保護中的難題:哪些物種和地區(qū)正在發(fā)生變化，哪些人最關心這些問題，哪些人能夠提供最多的幫助。即他認為這些搜索數(shù)據可以有助于設定保護目標。故選A?！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，要求考生在捕捉細節(jié)信息的基礎上，根據上下文進行邏輯推理，從而選出正確答案。3．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，介紹了科學家培育出可預防艾滋病病毒感染的轉基因水稻。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。“themostcost-effective”與“thelowestcost”是同義詞，“makeitintoacream”與“processitintoacream”是同義的。故選D。（3）考查推理判斷。根據最后一段中的“Thescientificteamsaysfurthertestingisneededtoensurethatthegeneticengineeringprocessdoesnotproduceanyadditionalchemicalsthatcouldbedangeroustopeople.”可知，科學研究小組認為要進一步的測試，以確?；蚬こ踢^程不會產生任何可能對人類有害的額外化學物質。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。縱觀全文可知，本文介紹了最近的一項研究，一種新的轉基因水稻可以預防艾滋病病毒的感染。因此與人類的健康有關，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，考生需要準確捕捉細節(jié)信息，同時根據上下文進行邏輯推理，從而選出正確答案。4．犇犇Choosetheonethatfitsbestaccordingtotheinformationgiveninthepassageyouhaveread.

Stocky,slow-movingwhale,rarelygrowsbeyond15metresinlength

Flippersareathirdofbodylength;variabledorsalfinsizeandshape;saw-toothedtrailingedgeonflukes,oftenraisedwhendiving

Bumpytuberclesontopofhead

Bodycolourisdarkbrowntoblack;oftenextensivewhiteonflippersandundersideofbodyandflukes;suchpatternsenableindividualrecognition

Bushyblow,occasionallyV-shaped

270-400olivebaleenplates

Humpbackwhalesbelongtotherorqual(groove-throated)family,whichincludesfin,sei,Bryde's,minkeandbluewhales.Thebigfamilymigratebetweenwintertropicalbreedingareas(NorthWestShelf,GreatBarrierReef,NewCaledonia,Vanuatu,Fiii,Tonga)andsummerAntarcticfeedingareas.OncecommoninNewZealandwaters,humpbacksarenowrarelyseenandmaymigratefurtheroffshore.Malescompeteformateseitherbyphysicalfightorbysong.Femalesgivebirthtotheiryoungeverytwotothreeyears;somenon-breedingfemalesprobablyremaininthesouthernwatersduringwinter.Younghumpbackwhalesreturntotheirareaofbirthbutinlaterlifesomewanderbetweenbreedingareas.Humpbackseatsmallshrimpsandotherschoolingprey,suchasfish,formingsmall,cooperativegroupsoftwotothreeindividualstofeed.

Similarspecies:Easilyidentifiableduetoa'hump'backwhensubmerging,butatadistancemaybeconfusedwithotherspeciesthatraisetheirflukeswhendiving,suchassperm,rightandbluewhales.

Protectionstatus:Recoveringwellfrompastwhalingandnownumerousinsomeformermigrationandaggregationareas,rarelyseeninothers.（1）WhichofthefollowingisTRUEabouthumpbackwhales?A.

Theirlongflippersvaryinlength,sizeandshapelikedorsalfin.B.

Theyarelargeandlikelytogrowlongerthan15metres.C.

Thedifferentcolorsandpatternsofthebodyhelptoberecognized.D.

Theirbumpytuberclesandblowholesareonbothsidesofhead.（2）Whichofthefollowingcanbeinferredfromthisarticle'sdescriptionofhumpbackwhales'migration?A.

Theyneedwarmerwaterstobreed.B.

Theycan'tsurviveinextremecold.C.

Theyfindplentifulfoodintropicalwaters.D.

TheyaremostlyhuntedinNewZealandwaters.（3）Thisarticleismainlyintendedto

.A.

explainwhyhumpbacksarestillhuntedinsomepartsoftheworldB.

introducehowhumpbacksmigratethroughsomedangerouswatersC.

popularizethebasicknowledgeofhumpbacksandcallforprotectionD.

helpdistinguishhumpbacksfromothersimilarspecies【答案】（1）C（2）A（3）C【解析】【分析】本文是一篇說明文，介紹了座頭鯨外形特點、體重、顏色，以及其如何繁殖、喂養(yǎng)等生活習性等，并呼吁大家保護它。（1）考查推理判斷。根據第四個小點后的一段"Bodycolorisdarkbrowntoblack;oftenextensivewhiteonflippersandundersideofbodyandflukes;suchpatternsenableindividualrecognition"可知，座頭鯨體色由深棕色至黑色，腳蹼、身體底部和尾鰭上通常是大面積的白色；這樣的圖案使單個的座頭鯨很容易被識別。分析選項可知C項符合題意，故選C。（2）考查推理判斷。根據第五個小黑點后面的"Thebigfamilymigratebetweenwintertropicalbreedingareas(NorthWestShelf,GreatBarrierReef,NewCaledonia,Vanuatu,Fiii,Tonga)andsummerAntarcticfeedingareas."座頭鯨這個大家族在冬季的熱帶繁殖區(qū)（西北大陸架、大堡礁、新喀里多尼亞、瓦努阿圖、斐濟、湯加）和夏季南極喂養(yǎng)區(qū)之間遷徙。可知，座頭鯨在熱帶地區(qū)繁殖。冬季的熱帶繁殖區(qū)，是溫暖的地方?？芍^鯨需要在暖和的地方繁殖，故選A。（3）考查主旨大意。本文主要對座頭鯨外形特點、體重、顏色，以及其如何繁殖喂養(yǎng)等生活習性等作了介紹，并呼吁大家保護意識。所以本文目的是普及有關座頭鯨的知識，并對它們加以保護。分析選項可知C項符合題意，故選C?！军c評】本題考點涉及推理判斷和主旨大意三個題型的考查，是一篇科普類閱讀，要求考生根據上下文的邏輯關系，進行分析，推理，概括和歸納，從而選出正確答案。5．閱讀理解

ArobotcreatedbyWashingtonStateUniversity(WSU)scientistscouldhelpelderlypeoplewithdementia(癡呆)andotherlimitationsliveindependentlyintheirownhomes.

TheRobotActivitySupportSystemorRAS,usessensorsinstalledinaWSUsmarthometodeterminewhereitsresidentsare,whattheyaredoingandwhentheyneedassistancewithdailyactivities.Itnavigates(定位)throughroomsandaroundobstaclestofindpeopleonitsown,providesvideoinstructionsonhowtodosimpletasksandcanevenleaditsownertoobjectsliketheirmedicationorasnackinthekitchen."RAScombinestheconvenienceofamobilerobotwiththeactivitydetectiontechnologyofaWSUsmarthometoprovideassistanceinthemoment,astheneedforhelpisdetected,"saidBryanMinor,apostdoctoralresearcherintheWSUSchoolofElectricalEngineeringandComputerScience.

Currently,anestimated50percentofadultsovertheageof85needassistancewitheverydayactivitiessuchaspreparingmealsandtakingmedicationandtheannualcostforthisassistanceintheUSisnearly$2trillion.Withthenumberofadultsover85expectedtotripleby2050,researchershopethattechnologieslikeRASandtheWSUsmarthomewillrelievesomeofthefinancialstrainonthehealthcaresystembymakingiteasierforolderadultstolivealone.

RASisthefirstrobotresearchershavetriedtoincorporateintotheirsmarthomeenvironment.TheyrecentlypublishedastudyinthejournalCognitiveSystemsResearchthatdemonstrateshowRAScouldmakelifeeasierforolderadultsstrugglingtoliveindependently.

"Whilewearestillinanearlystageofdevelopment,ourinitialresultswithRAShavebeenpromising,"Minorsaid."ThenextstepintheresearchwillbetotestRAS'performancewithagroupofolderadultstogetabetterideaofwhatprompts,videoremindersandotherpreferencestheyhaveregardingtherobot."（1）HowdoesRASserveelderlypeople?A.

Throughsensors.

B.

Throughobjects.C.

Throughamobilerobot.

D.

Throughtheirdailyactivities.（2）WhatcanweknowaboutRAS?A.

Itisthefirstrobotusedindailylife.

B.

Itsfunctionremainstobetested.C.

Itcanlocatepeopleanddoanytask.

D.

Itcancookforownersonitsown.（3）What'sMinor'sattitudetowardthefutureofRAS?A.

Doubtful.

B.

Negative.

C.

Optimistic.

D.

Uncertain.（4）Whatcanbeasuitabletitleforthetext?A.

Elderlypeopleleavethenursinghome.

B.

SmartHomeTestsfirstelder-Carerobot.C.

RAS,thefirstrobottomakehomesmart.

D.

OlderadultshavebenefitedfromRAS.【答案】（1）A（2）B（3）C（4）B【解析】【分析】本文是一篇說明文，介紹了一款由美國華盛頓州立大學的科學家們研發(fā)的機器人，可以幫助那些癡呆或有身體缺陷的老年人在家里過上自立的生活。（1）考查細節(jié)理解。根據章第二段中的“TheRobotActivitySupportSystem,orRAS,usessensors（傳感器）equippedinaWSUsmarthometodeterminewhereitsresidentsare,whattheyaredoingandwhentheyneedassistancewithdailyactivities”可知機器人活動支持系統(tǒng)（RAS）使用WSU智能家居中配備的傳感器（傳感器）來確定其居民在哪里，他們在做什么以及何時需要日?；顒拥膸椭?，說明傳感器起到了重大的作用，故選A。（2）考查推理判斷。根據最后一段中的“ThenextstepintheresearchwillbetotestRAS'performance…”可知，這臺機器人的表現(xiàn)還要經過進一步的測，說明正在測試階段，故選B。（3）考查推理判斷。根據最后一段中的“Whilewearestillinanearlystageofdevelopment,ourinitialresultswithRAShavebeenpromising”可知，Minor對這款機器人的未來發(fā)展充滿信心、非常樂觀，故選C。（4）考查主旨大意?？v觀全文可知，本文介紹了一款由美國華盛頓州立大學的科學家們研發(fā)的機器人。再根據最后一段中的“ThenextstepintheresearchwillbetotestRAS'performance”可知，機器人目前還在華盛頓州立大學的智能屋里進行測試，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，是一篇科技類閱讀，考生需要準確捕捉細節(jié)信息，同時根據上下文進行邏輯推理，概括歸納，從而選出正確答案。6．閱讀理解

Expertsnotethatanunhealthylifestylecanputyouatgreatriskofheartdiseaseandstroke.Sodoctorsurgeustoeathealthyfoods,getexercise,stopsmokingandlimitouralcoholintake.Butthereissomethingelseyoucando.Anditisfreeandeasy.Smile!

Dr.Chockalingam,aheartdiseasespecialistinColumbia,adviseshispatientstosmile.Hesaysasmilemaybeonewaytohelpyourheart."Whenwesmile,thebrainwiringchanges.Thechemicalsthatarereleasedaremorepositive."Hesayssmilingisthefirststepinfightingphysicalandemotionalstressanditssometimesharmfuleffectsonhumanhealth.ThisisnotjustNewAgeadvice.Severalstudiessupporthisopinion.

Whenyoufeelstressedorunderpressure,yourbodyreleasesmanynaturalhormones(荷爾蒙)includingadrenalineandcortisol.Adrenalineincreasesyourheartrateandbloodpressure.Cortisolisthebody'smainstresshormone.Itincreasessugarinthebloodstream.Ifyouaretrulyindanger,thesehormonescanhelpyou.Theyarepartofwhatwecallourfight-or-flightresponse.

However,whenwearestressedforalongperiod,thesestresshormonesareever-presentinourbodies.Andthat,medicalresearcherswarn,mayleadtohealthproblems.

Researcherssaytheconnectionbetweenstressandheartdiseaseisstillunclear.However,theyclaimthatwhenpeoplearestressedforlongperiodsoftime,theymayhaveanunhealthylifestyle,whichcanleadtohealthproblems.

Dr.Chockalingamsaysasmilemaybeonewaytohelp.Hetellshispatientstosmile20timesanhour.Tosome,thatmightseemlikealotofsmiling.Orsomemightevenfeelfoolish...smilingforseeminglynoreason.Butasmiledoesnotinvolvedrugs.Itisnotinvasivelikeasurgicaloperation.Itisfreeandithasnobadsideeffects.

"Oncepeoplesmile,theyarerelaxing.Thisrelaxationdirectlylowersbloodpressure,improvessugarlevelsintheblood.Ifwearesmiling,wearebreakingthatlinkbetweenstressandhealth."Anditjustmayprovidealittleextraprotectiontoeveryone'shearthealth.（1）WhichofthefollowingagreeswithDr.Chockalingam'sopinion?A.Smilehasthesameeffectsaslaughter.B.Smilecanbeusedtotaketheplaceofmedicine.C.Smileisbetterthananyhealthylifestyletohealth.D.Smilecanmakeourbodyproducebeneficialchemicals.（2）Whatcanweknowaboutthementionedstresshormones?A.Theycanlowerourbloodpressure.B.Theywillsurelyleadtoheartdiseases.C.Theycanbenefituswhenweareindanger.D.Theywillmakeusliveanunhealthylifestyle.（3）WhydoesDr.Chockalingamthinksmilingishelpfultoourhealth?A.Itcanmakeusrelax.B.Itincreasessugarlevels.C.Ithaslittlebadsideeffects.D.Itcanhappenfornoreason.（4）Whatcanbethebesttitleforthetext?A.AThoroughAnalysisoftheCausesofHeartDiseasesB.OneThingYouCanDoRightNowtoHelpYourHeartC.OneThingThatIsCloselyConnectedwithStressHormonesD.TheClearConnectionBetweenUnhealthyLifestylesandHeartDiseases【答案】（1）D（2）C（3）A（4）B【解析】【分析】本文是一篇說明文，哥倫比亞的心臟病專家Chockalingam博士建議多保持微笑，他認為微笑可能是幫助心臟的一種方式。同時說明了微笑有利于健康的原因和人們感到壓力時的身體反應等情況。（1）考查細節(jié)理解。根據第二段中的“Whenwesmile,thebrainwiringchanges.Thechemicalsthatarereleasedaremorepositive.”當我們微笑時，大腦的線路會發(fā)生變化。釋放出的化學物質更積極?？芍珻hockalingam博士認為微笑能使我們的身體產生有益的化學物質。故選D。（2）考查細節(jié)理解。根據第三段中的“Ifyouaretrulyindanger,thesehormonescanhelpyou.”如果你真的有危險，這些荷爾蒙會幫助你。可知，當我們處于危險中時，壓力荷爾蒙可以幫助我們。故選C。（3）考查細節(jié)理解。根據最后一段中的“Ifwearesmiling,wearebreakingthatlinkbetweenstressandhealth.Anditjustmayprovidealittleextraprotectiontoeveryone'shearthealth.”如果我們微笑，我們就打破了壓力和健康之間的聯(lián)系。而且它可能會為每個人的心臟健康提供一點額外的保護?？芍珻hockalingam博士認為微笑可以使我們放松，從而有利于我們的健康。故選A。（4）考查主旨大意。根據第二段中的“Dr.Chockalingam,aheartdiseasespecialistinColumbia,adviseshispatientstosmile.Hesaysasmilemaybeonewaytohelpyourheart.”哥倫比亞的心臟病專家Chockalingam博士建議他的病人保持微笑。他說，微笑可能是幫助心臟的一種方式。以及結合文章內容主要介紹了微笑能夠讓我們放松進而有利于我們的健康，所以要健康那就要多微笑，所以選B?！军c評】本題考點涉及細節(jié)理解和主旨大意兩個題型的考查，是一篇科研類閱讀，考生需要準確掌握細節(jié)信息，并根據上下文的邏輯關系，進行概括和歸納，從而選出正確答案。7．閱讀理解

Someyearsago,Michel-AndrefoundhimselfstaringatthebodyofadeadwhaleonabeachintheCanaryIslands.Itwasobviousthattheanimalhadbeenstruckviolentlybyaship——butwhy?Onlylater,aftersurveyingthewhaleswhichlivedintheareaandmeasuringtheincreaseofsoundpollutionfromshipsdiditbecomeclearthattherewasalink.

Thewhaleshadbecomedesensitisedtothenoiseofapproachingboatsandwerebeingstruckbythem,oftenseriously."Weneverthoughtthatthiscouldbesomethingthatcouldkill,"recalls(回憶)Andre,whoisthedirectoroftheLaboratoryofAppliedBioacousticsattheTechnicalUniversityofCatalonia,Barcelona.

Andrehasspent20yearsdevelopinganadvancedsystemtobetterunderstandwhyincidentslikethishappen.Hisunderwatermicrophoneshaveexposedaworldofdeafeningsoundandanimalcommunicationneverobservedwithsuchclarity(清晰)before.

Itwasnotaneasytask.Soundwavesdon'ttravelthroughwaterintheuniform,predictablewaytheydothroughtheair.Instead,thetemperature,salinity(鹽度)and,flowofwaterhavegreateffectsontheirpath.

Whatcanbedone?Onesolutionistochangeshippingroutestocourseswhereshipsarestatisticallylesslikelytomeetanimals.It'salsopossibletoslowshipsdownto18km/horless,whichislesslikelytoseriouslyinjureawhale.

Asfordealingwiththerootcauseoftheproblem,theUN'sInternationalMaritimeOrganisationhasalreadypublishedguidelinesonhowtoquietenships,butitwillbeawhilebeforetheeffectsofsuchchangesmightbeobserved.

"Theoceanisnotourworld,"commentsAndre.Butitisourstolookafter.Andthankstohiswork,wecanbetterunderstandtheeffectsofsubseasoundpollution.（1）Whatdoestheunderlinedword"desensitised"inParagraph2mean?A.

Stubborn.

B.

Flexible.

C.

Dull.

D.

Friendly.（2）What'sonewaytosolvetheproblemaccordingtothetext?A.

Tolowerthespeedofships.

B.

Toreducethenumberofships.C.

Tosetuppreservesunderthesea.

D.

Togivetheinjuredanimalstimelytreatment.（3）Whatistheauthor'sattitudetowardswhatMichelAndrehasdone?A.

Doubtful.

B.

Disapproving.

C.

Positive.

D.

Uncaring.（4）Whatisthetextmainlyabout?A.

Agreatexpert.

B.

Noiseinthesea.C.

Animalsinthesea.

D.

Seaexplorationtechnology.【答案】（1）C（2）A（3）C（4）B【解析】【分析】本文是一篇說明文，介紹了海底噪音對海洋生物的影響以及如何降低海底噪音的問題。（1）考查詞義猜測。根據第二段中的”thenoiseofapproachingboatsandwerebeingstruckbythem,oftenseriously“可知，鯨魚被靠近的船只碰撞，因為它們可能是對船只所產生的噪音比較“遲鈍”。故可知劃線部分單詞意思為“遲鈍的”。故選C。（2）考查細節(jié)理解。根據第五段中的”It'salsopossibletoslowshipsdownto18km/horless,whichislesslikelytoseriouslyinjureawhale.“也有可能將船只減速到每小時18公里或更少，這樣就不太可能嚴重傷害鯨魚?？芍?，降低船只速度是文中提到的一種解決辦法。故選A。（3）考查推理判斷。根據最后一段中的”Andthankstohiswork,wecanbetterunderstandtheeffectsofsubseasoundpollution.“由于他的工作，我們可以更好地了解海底聲音污染的影響。可知，作者對MichelAndre所做的工作十分認可。故選C。（4）考查主旨大意。通讀全文可知，文章主要講述了海底噪音對海洋生物的影響以及如何降低海底噪音的問題，故選B?！军c評】本題考點涉及細節(jié)理解，詞義猜測，推理判斷和主旨大意四個題型的考查，是一篇科研類閱讀，要求考生在捕捉細節(jié)信息的基礎上，進一步根據上下文的邏輯關系，進行分析，推理，概括和歸納，從而選出正確答案。8．閱讀理解

It'scommonknowledgethatthewomaninLeonardodaVinci'smostfamouspaintingseemstolookbackatobservers,followingthemwithhereyesnomatterwheretheystandintheroom.Butthiscommonknowledgeturnsoutwrong.

Anewstudyfindsthatthewomaninthepaintingisactuallylookingoutatananglethat's15.4degreesofftotheobserver'sright-welloutsideoftherangethatpeoplenormallybelievewhentheythinksomeoneislookingrightatthem.Inotherwords,saidthestudyauthor,Horstmann,"She'snotlookingatyou."Thisissomewhatironic,becausetheentirephenomenonofaperson'sgaze(凝視)inaphotographorpaintingseemingtofollowthevieweriscalledthe"MonaLisaeffect".Thateffectisabsolutelyreal,Horstmann