2021-2022学年新教材高中英语 Unit 3 Sea Exploration Section Ⅰ Reading ListeningandThinking课时作业(含解析)新人教版选择性必修第四册.docx
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1、uUnit 3 Sea ExplorationSsectionReading, ListeningandThinking.阅读理解AForyears, thegiantsquid(大王乌贼)hadremainedamodernmystery.Livinginthedarkdepthsoftheocean, thecreatureisdifficultforscientiststoobservedirectly.Ithadalsomanagedtoavoidallattemptstofilmit.ThatchangedlastJuly: forthefirsttimeever, scientis
2、tswereabletocatchthegiantsquidonvideoinitsnaturalhabitat.Theywereamazedbywhattheysaw.ThescientistsfilmedthesquidintheNorthPacificOcean, southofTokyo, Japan.Theyfolloweditdowntoadepthof2,952feet.Theyshotmorethan23minutesofvideobeforethesquidswamoffintoevendarkerdepths, Thevideofootagewillbereleasedto
3、thepubliclaterthismonthonTheDiscoveryChannel.TsunemiKubodera, azoologistatJapansNationalMuseumofNatureandScience, ledtheteamthatfilmedthesquid.Theteamwentintotheoceaninasmallsubmarinewithlightsinvisibletobothhumansandsquid.Sincegiantsquideatsmallersquid, thescientistsreleasedasmallsquidasbait(诱饵).Th
4、enthescientistswaitedinthepitchblackforthegiantsquidtoapproach.Thecolorvideoshowsthecreaturefloatingvertically, eatingthebaitsquid.Thegiantsquidis9to10feetlongandismissingitstwolongesttentacles(触须).Withthosetentacles, itcouldhavemeasuredupto26feetlong.Ithashugeblackeyes, thesizeofdinnerplates.“Itwas
5、shiningandsobeautiful,”Kuboderasaid.Becausethedeepoceanissounfriendlytohumans, littleisknownaboutthegiantsquid.Scientistssaycatchingthemysteriouscreatureonvideoisanimportantsteptowardunderstandingit.Forcenturies, sailorshadreportedseeingahuge, oceandwellingbeast, thoughttobethegiantsquid.Thecreature
6、isalsobelievedtobethesubjectoftheNordicmythofthekraken, aseacreaturethatsupposedlyattackedshipsinScandinavianwatersoverthepastthousandsofyears.1Whyisitdifficulttofilmthegiantsquid?ABecauseitisillegaltofilmthegiantsquid.BBecauseitistooexpensivetomakesuchafilm.CBecausethegiantsquidlivesinthedarkdeepoc
7、ean.DBecausethegiantsquidisdangeroustohumans.2Wecanlearnfromthefirstparagraphthatscientists_.AfirstsawthegiantsquidintheoceanBdiscoveredanewseacreatureintheoceanChavetheoceanbottomsecretlyrecordedonvideoDhavefirstcaughtthelegendarygiantsquidonvideo3Accordingtothepassage, thegiantsquidslongesttentacl
8、escanbe_.A16to17feetlongB9to10feetlongCmorethan26feetlongDabout36feetlong4Thescientistsreleasedasmallsquidintheoceanto_.AincreasethenumberofthegiantsquidBtrickthegiantsquidintocomingoutCmakeaneducationalfilmaboutitDshowconcernforthegiantsquidBWithclimatechangeandoverfishingthreateningouroceans, itis
9、becomingincreasinglyimportantforresearcherstocloselyobserveandcheckseaanimalsandplants.However, itsalmostimpossibletomakeitsincehumanpresencescarestheanimals.Now, thankstotherobot, akaSoFi, researchersmaybeabletosolvetheproblem.BuiltbyMITslaboratory,thesnowwhiteremotecontrolledrobotsimulatesfish, co
10、mpletewithaflexibletailthatmovesfromsidetosideandtwo“fins(鳍)”Whentherobotisunderthesea, amotorispumpingwaterintoapairofballoonlikeroomslocatedintherobotstail.Theseroomsoperatesimilarlytothekeypartsinengines.Asoneroomexpands, thetailbendstooneside; whenthemotorpusheswatertotheotherchannel, thetailben
11、dsintheotherdirection.Thustherobotgainstheabilitytomovetowhereitwantstogo.SoFisolvesmanyoftheissuesthathaveaffectedtheusefulness(有效性)ofpreviousrobotssometypesofautonomousunderwatervehicles(AUVs)AUVstraditionallyoftenhavehadtobetiedtoaboatbecauseradiofrequencycommunicationsdonotworkwellunderwater.Sor
12、esearchersusesoundwaves.Thenewtechnologycantravelgreaterdistances, allowingdrivers, byusingacontroller,topilotSoFifromupto50feetaway.SoFicanmovearoundtheocean, unaffectedbyropes.AlsolimitingtraditionalAUVsusefulnessistheriskofhittingsomething,likehardstones.Withtheoutsidemadeofrubber(橡胶)andplasticth
13、atcankeepitsbuiltinelectronicsdry, SoFicanefficientlyavoidhitting.Soasoftrobotismorelikelytosurviveapotentialcrisis.DuringtestdivesinRainbowReef, SoFiswamalongsidetheunsuspecting(无疑心的)oceanlifeatdepthsof50feetforupto40minutesatatime,obtaininghighqualityphotosandvideos.Moreimportantly, itwasabletodos
14、owithoutcausinganydisturbance.Researcherssaysometimesthefishwouldswimalongsidethestrangelookingrobotincuriosity, whileatothertimestheyappearedtocompletelyignoreitsexistence.“Itsnotperfect, butwereimprovingit.Oureffortswillpayoff,”saysRobertKatzschmann.5TherobotSoFiiscreatedto_.AobserveclimatechangeB
15、helptomonitorseacreaturesCcatchfishandobservethemDpreventoverfishinginoceans6Whatdoestheunderlinedword“simulates”inParagraph2probablymean?AIsmodeledafter.BIsdesignedfor.CIscombinedwith.DIsappliedto.7WhatsParagraph3mainlywrittentoshow?ATheshapeofSoFi.BTheapplicationofSoFi.CThestructureofSoFistail.DTh
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