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Unit3SeaExploration一、閱讀理解AOneoftheocean’snoisiestcreaturesissmallerthanyou’dexpect—snappingshrimp(鼓蝦).Theycreateawidespreadbackgroundnoiseintheunderwaterenvironment,whichhelpsthemcommunicate,defendterritoriesandhuntforfood.Whenenoughshrimpsnap(發(fā)出噼啪聲)atonce,thenoisecandominatethesoundscapeofcoastalwaters.AranMooney,abiologistatWoodsHoleOceanographicInstitution,suggestedthatwithincreasedoceantemperatures,snappingshrimpwillsnapmoreoftenandlouderthanbefore.Thiscouldraisethebackgroundnoiseoftheglobalocean."Theymakeasoundbyclosingaclawsofast.Thismakesabubble(泡泡)andwhenthatbubbleexplodes,itmakesthatsnappingsound,"saidMooney.Mooneydetectedastrongrelationshipbetweenwarmerwatersanddeafening,morefrequentsnappingshrimpsoundsbyexperimentingwiththeshrimpintanksinthelabandbylisteningtotheshrimpintheoceanatvariouswatertemperatures."Asthetemperaturerises,thesnaprateincreases,"hesaid.Thismakessensebecauseshrimpareessentiallycold-bloodedanimals,meaningtheirbodytemperatureandactivitylevelsarelargelycontrolledbytheirlivingenvironment."Wecanactuallyshowinthefieldthatnotonlydosnapratesincrease,butthesoundlevelsincreaseaswell,"hesaid.Howtheloudersnappingshrimpwouldbotherorbenefitthesurroundingsremainedtobeseen."Weknowthatfishusesoundtocommunicate,"Mooneysaid."Iftheenvironmentgetsnoisy,ithasthepotentialtoinfluencethatcommunication.That’ssomethingwehavetofollowupon."Thereisalsothepossibilitythatthechangeofsnappingshrimpdisturbsinstrumentshumansusetodetectmines,whichcouldhaveimplicationsfornationaldefense.本文是說明文。鼓蝦是一種體型很小卻能發(fā)出很大聲音的海洋生物,隨著氣候變暖及海水升溫,鼓蝦發(fā)出的聲音也日益增大,這可能會(huì)影響其他海洋生物和人類。1.Whatcanweknowaboutthesnappingshrimp’ssound?A.Ithasmultipleuses.B.Itisvitaltotheecosystem.C.Itishardtobedetected.D.Itaimstoprotecttheshrimp.解析A細(xì)節(jié)理解題。由第一段中的"Theycreateawidespreadbackgroundnoise...whichhelpsthemcommunicate,defendterritoriesandhuntforfood"可知,鼓蝦發(fā)出的聲音有助于它們交流、保衛(wèi)領(lǐng)土和尋找食物,即其聲音有多種作用,故本題選A。2.HowdoesMooneyreachtheconclusion?A.Byobservingsnappingshrimpinthefield.B.Byrecordingsnapratesinthelab.C.Byanalyzingthewayshrimpmakenoise.D.Bycomparingshrimp’ssoundindifferentplaces.解析D推理判斷題。由第三段的"Mooneydetectedastrongrelationshipbetweenwarmerwaters...tanksinthelabandbylisteningtotheshrimpintheoceanatvariouswatertemperatures"可知,Mooney通過實(shí)驗(yàn)室的水箱用鼓蝦做實(shí)驗(yàn),并聽海洋中各種水溫里的鼓蝦發(fā)出的聲音,發(fā)現(xiàn)了溫暖的水域與震耳欲聾、更頻繁的鼓蝦聲之間的密切關(guān)系,即他通過對(duì)比不同地點(diǎn)鼓蝦發(fā)出的聲音得出了結(jié)論,所以本題選D。3.WhatmightMooneyresearchnext?A.Applicationsofshrimp’ssound.B.Impactsofthenoiseonothercreatures.C.Meansofcommunicationamongfish.D.Methodsofpreventingshrimp’ssnapping.解析B推理判斷題。最后一段提到吵鬧的鼓蝦會(huì)如何干擾或有益于周圍環(huán)境還有待觀察。如果環(huán)境變得嘈雜,它有可能影響魚類之間的交流,Mooney認(rèn)為這是他們必須跟進(jìn)的研究。還有一種可能性是,鼓蝦發(fā)出的聲音變大會(huì)干擾人類用來探測水雷的儀器。由此可推斷,Mooney接下來可能會(huì)研究鼓蝦發(fā)出的聲音對(duì)其他生物的影響,故本題選B。4.Whichofthefollowingcanbethebesttitleforthetext?A.UnderwaterWorldIsNoLongerQuietB.SmallAnimalsMakeaBigDifferenceC.WarmingOceansAreGettingLouderD.SnappingShrimp’sNoiseSpeaksMuch解析C標(biāo)題歸納題。通讀全文內(nèi)容可知,文章主要介紹了隨著氣候變暖及海水溫度升高,鼓蝦發(fā)出的聲音也日益增大,發(fā)出聲音的頻率也增加,這可能會(huì)影響其他海洋生物和人類。C項(xiàng)"變暖的海洋變得更吵鬧"形象貼切地總結(jié)了文章內(nèi)容,做本文的標(biāo)題最佳。B[2023河南名校聯(lián)考]Scientistshavediscoveredwhattheybelieveistheworld’slargestplant,anunderwaterfieldofseagrassthatstretchesfor112milesoffthewestcoastofAustralia.Thishugemeadow(草地)hasspreadwidelyallthroughSharkBay.Theseagrassplantisbelievedtobearound4,500yearsold.Manyplantscreatenewplantsbygrowingflowersandspreadingseeds.TheDNAoftheplantsthatgrowfromtheseseedsisslightlydifferentfromtheDNAoftheplantsthattheseedscamefrom.BycomparingtheDNAfromtheirsamples,thescientistshopedtogetanideaofhowmanydifferentseagrassplantstherewereinthemeadow.Whattheylearnedshockedthem—allofthegrasssampleshadalmostexactlythesameDNA.Thatmeantthattheywerealljustoneplant,onebigseagrassplantspreadingoutover77squaremiles.Thismakesitthelargestknownplantintheworldbyfar.SohowhastheSharkBayseagrassgrownsolarge?Insteadofspreadingwithflowersandseeds,itspreadsbycloning(克?。﹊tself.Asitsrootsspreadoutundertheseafloor,newplantsshootupfromthoseroots.TheseagrassinSharkBayisalsounusualinanotherway.It’sa"polyploid".Usually,anorganism(有機(jī)體)hastwoparents,andgetshalfofitsDNAfromeach.ButpolyploidorganismshavealloftheDNAfrombothparents,meaningtheyhavetwiceasmuchDNA.ThescientiststhinktheextraDNAmaymakeiteasierfortheseagrasstosurviveindifficultconditions.TheSharkBayseagrassgenerallygrowsandspreadsabout14inchesayear.BecauseofthehistoryofSharkBayandtherateofgrowth,thescientistsbelievethattheplantisabout4,500yearsold.本文是一篇說明文。科學(xué)家們發(fā)現(xiàn)了他們認(rèn)為世界上最大的植物:澳大利亞西海岸綿延1.12英里的一片水下海草田。這片巨大的草地遍布鯊魚灣。這種海草被認(rèn)為大約有4500年的歷史。1.WhydidthescientistscomparetheDNAoftheseaplants?A.Tofindwaystoprotectseaplants.B.Todiscoverthediversityofseaplants.C.Toidentifytheoldestplantsinthesea.D.Toexploretheunknownoceanresources.解析B細(xì)節(jié)理解題。由第二段最后一句"BycomparingtheDNAfromtheirsamples,thescientistshopedtogetanideaofhowmanydifferentseagrassplantstherewereinthemeadow"可知,科學(xué)家比較海洋植物的DNA是為了發(fā)現(xiàn)海洋植物的多樣性,故選B。2.WhatcanwelearnabouttheseagrassinSharkBay?A.ItsDNAcannotbecloned.B.Itbloomsandbearsmanyseeds.C.Itsrootsareaconnectedwhole.D.Itisthefastestgrowinggrassintheworld.解析C推理判斷題。由第四段最后一句"Asitsrootsspreadoutundertheseafloor,newplantsshootupfromthoseroots"可推知,鯊魚灣的海草的根是一個(gè)相連的整體,故選C。3.Whatisoneoftheadvantagesofpolyploidorganisms?A.Gainingtheabilitytogrowbigger.B.Gettingpartsoftheparents’DNA.C.Havinganadvantageoveranyotherseaplant.D.Beingmoreadaptabletotoughconditions.解析D細(xì)節(jié)理解題。由第五段最后一句"ThescientiststhinktheextraDNAmaymakeiteasierfortheseagrasstosurviveindifficultconditions"可知,多倍體生物的優(yōu)點(diǎn)之一是更能適應(yīng)惡劣的環(huán)境,故選D。4.Whatisthemainideaofthistext?A.Geneticchangesinseagrass.B.Theecologicalstatusoftheseafloor.C.Scientistsfoundworld’slargestplant.D.Newunderwatergrassisdiscovered.解析C主旨大意題。通讀全文可知,第一段第一句"Scientistshavediscoveredwhattheybelieveistheworld’slargestplant,anunderwaterfieldofseagrassthatstretchesfor1.12milesoffthewestcoastofAustralia"為文章的主題句,下面內(nèi)容是圍繞該句展開的,由此可知,C項(xiàng)切題。二、完形填空Formorethanacentury,fishermeninLaguna,Brazil,havecaughtfishwiththehelpofbottlenosedolphins.Thedolphinspushschoolsoffishinthe1oftheshoreandthenjumpoutofthewater,2tothefishermentorapidlycastouttheirnets.Thefishermenmakealargecatch,and3,thedolphinslookaroundforthefishthathavemissedthefishingnets—aquickandeasymeal!Thisdolphin-human4isespeciallyunique,becauseitis5tobothhumansanddolphins.Accordingtoastudy6withunderwatersoundrecordings,dolphinsoccupiedwiththisrelationshipwithhumansare13%morelikelyto7inthewild.Thisisbecausetheystayneartheshoresoftheoceanandarelesslikelytobe8whenfishingnetsarethrownintotheopenocean.InLaguna,fishingwithfellowdolphinshasbecomea(n)9inmanyfamilies,thoughthedolphinsarenot10trainedforthispurpose.Fromtheir11,fishermenpassontheirknowledgetotheirchildren,teachingthemto12withtheirpartnersthroughclickingnoisesandhowtodistinguishdolphinbehaviors.Interestingly,thisisnotthefirsttimehumansandotherspeciesofanimalshave13tohuntforfoodtogether.InAfrica,thehoneyguides,asmallbirdspeciesthat14onbeeswax,uselargenoisesandcallstocommunicate,leadinghumanstotreeswherebees’nestsare15.Researchershopethatfuturegenerationswillbeabletocarryonthisspecialtradition.本文主要介紹了巴西Laguna的漁民和海豚合作捕魚的共生現(xiàn)象。1.A.form B.centerC.direction D.position解析C海豚把成群的魚向海岸的方向(direction)驅(qū)趕,然后跳出水面,示意漁民們快速撒下他們的網(wǎng),故選C。2.A.reporting B.promisingC.answering D.signaling解析D參見上題解析。signal示意,發(fā)出信號(hào)。3.A.inreturn B.inbalanceC.inbrief D.inadvance解析A漁民們捕獲了大量的魚,作為回報(bào)(inreturn),海豚四處尋找漏網(wǎng)的魚——一頓容易且快捷的飯。4.A.interaction B.interruptionC.instruction D.education解析A由第一段"Formorethanacentury,fishermeninLaguna,Brazil,havecaughtfishwiththehelpofbottlenosedolphins"以及第二段的具體描述可知,此處指的是海豚和人類的互助合作關(guān)系,故選A。5.A.restricted B.beneficialC.dangerous D.challenging解析B這種海豚和人類的互助合作是獨(dú)一無二的,因?yàn)檫@是對(duì)人類和海豚都有益的(beneficial)事情,故選B。restricted受限制的,dangerous危險(xiǎn)的,challenging有挑戰(zhàn)性的。6.A.designed B.conductedC.prepared D.observed解析B根據(jù)一項(xiàng)用水下錄音進(jìn)行(conducted)的研究,忙于與人類互助的海豚在野外活下來的可能性增加了百分之十三,故選B。design設(shè)計(jì),prepare準(zhǔn)備,observe觀察。7.A.survive B.developC.suffer D.exist解析A參見上題解析。survive幸存。8.A.doubted B.controlledC.harmed D.shocked解析C這是因?yàn)樗鼈兇诤0陡浇?dāng)漁網(wǎng)被扔進(jìn)海洋里時(shí)被傷害(harmed)到的可能性更小,故選C。9.A.fashion B.traditionC.information D.impression解析B由第一段"Formorethanacentury,fishermeninLaguna,Brazil,havecaughtfishwiththehelpofbottlenosedolphins"以及文章最后一句"Researchershopethatfuturegenerationswillbeabletocarryonthisspecialtradition"可知,這已經(jīng)成了很多家庭的傳統(tǒng),故選B。10.A.cautiously B.carefullyC.thoughtfully D.intentionally解析D在Laguna,與海豚共同捕魚已經(jīng)成了很多家庭的傳統(tǒng),雖然這些海豚并不是為了這個(gè)目的而刻意(intentionally)訓(xùn)練的,故選D。cautiously謹(jǐn)慎地,carefully認(rèn)真地,thoughtfully考慮周全地。11.A.movement B.scheduleC.experience D.imagination解析C根據(jù)他們的經(jīng)驗(yàn)(experience),漁民們把他們的知識(shí)傳遞給他們的孩子,教他們通過滴答聲與他們的搭檔交流并教他們?nèi)绾螀^(qū)分海豚的行為,故選C。movement運(yùn)動(dòng),schedule時(shí)間表,imagination想象。12.A.connect B.contactC.communicate D.mix解析C參見上題解析。13.A.approached B.competedC.separated D.cooperated解析D有趣的是,這并非人類與動(dòng)物首次合作捕食,故選D。approach靠近,compete比賽,separate隔開。14.A.feed B.workC.operate D.look解析A在非洲,響蜜鳥,一種以蜂蠟為食的小鳥,用大量的噪音和叫聲來與人交流,帶著人們找到有隱藏蜂巢的樹。feed表示"以……為食",符合語境。15.A.exposed B.hiddenC.broken D.furnished解析B參見上題解析。hide隱藏。三、語法填空[2023浙江溫州三模]InspiredbytheworkofWilliamBeebe,Dr.SylviaEarlebeganherworkasanoceanographeratanearlyagewhenshe1(knock)offherfeetbyawave.Shewasfascinatedbytheoceananditscreatures.Althoughshestruggled2(balance)herstudiesandfamily,EarleearnedherPhDfromDukeUniversity,becomingwell-knowninthemarinesciencecommunity.Earlyinhercareerandwhileshewasfour3(month)pregnant,Earletraveled30.5mbelowthesurfaceinasubmersible.Herexperienceof4(live)inanunderwatermarinehabitatearnedhercelebritystatusinthescientificcommunity.Withtheexperience,Earledevelopedaninterest5deep-seaexploration,andin1979shebroke6recordfordeep-seadiv
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