英语（人教版选修7）练习unit3section1WarmingUpReadingPre－reading（活页作业）

活页作业(七)Ⅰ.阅读理解Foryears，thegiantsquid(大王乌贼)hadremainedamodernmystery.Livinginthedarkdepthsoftheocean，thecreatureisdifficultforscientiststoobservedirectly.Ithadalsomanagedtoavoidallattemptstofilmit.ThatchangedlastJuly：forthefirsttimeever，scientistswereabletocatchthegiantsquidonvideoinitsnaturalhabitat.Theywereamazedbywhattheysaw.ThescientistsfilmedthesquidintheNorthPacificOcean，southofTokyo，Japan.Theyfolloweditdowntoadepthof2,952feet.Theyshotmorethan23minutesofvideobeforethesquidswamoffintoevendarkerdepths.ThevideofootagewillbereleasedtothepubliclaterthismonthonTheDiscoveryChannel.TsunemiKubodera，azoologistatJapan’sNationalMuseumofNatureandScience，ledtheteamthatfilmedthesquid.Theteamwentintotheoceaninasmallsubmarinewithlightsinvisibletobothhumansandsquid.Sincegiantsquideatsmallersquid，thescientistsreleasedasmallsquidasbait(诱饵)．Thenthescientistswaitedinthepitchblackforthegiantsquidtoapproach.Thecolorvideoshowsthecreaturefloatingvertically，eatingthebaitsquid.Thegiantsquidis9to10feetlongandismissingitstwolongesttentacles(触须)．Withthosetentacles，itcouldhavemeasuredupto26feetlong.Ithashugeblackeyesthesizeofdinnerplates.“Itwasshiningandsobeautiful，”Kuboderasaid.Becausethedeepoceanissounfriendlytohumans，littleisknownaboutthegiantsquid.Scientistssaycatchingthemysteriouscreatureonvideoisanimportantsteptowardunderstandingit.Forcenturies，sailorshadreportedseeingahuge，ocean－dwellingbeast，thoughttobethegiantsquid.ThecreatureisalsobelievedtobethesubjectoftheNordicmythofthekraken，aseacreaturethatsupposedlyattackedshipsinScandinavianwatersoverthepastthousandsofyears.1．Whyisitdifficulttofilmthegiantsquid?A．Becauseitisillegaltofilmthegiantsquid.B．Becauseitistooexpensivetomakesuchafilm.C．Becausethegiantsquidlivesinthedarkdeepocean.D．Becausethegiantsquidisdangeroustohumans.解析：细节理解题。根据第一段中的“Livinginthedarkdepthsoftheocean，thecreatureisdifficultforscientiststoobservedirectly.”可知，因为大王乌贼生活在大洋深处，所以人们很难拍摄到它。答案：C2．Wecanlearnfromthefirstparagraphthatscientists____________________.A．firstsawthegiantsquidintheoceanB．discoveredanewseacreatureintheoceanC．havetheoceanbottomsecretlyrecordedonvideoD．havefirstcaughtthelegendarygiantsquidonvideo解析：细节理解题。根据第一段内容可知，科学家在北太平洋下到深度为2952英尺的地方第一次拍摄了一段23分钟长的有关大王乌贼的录像。因此D项正确。答案：D3．Accordingtothepassage，thegiantsquid’slongesttentaclescanbe_____________.A．16to17feetlongB．9to10feetlongC．morethan26feetlongD．about36feetlong解析：细节理解题。根据第三段内容可知，这只大王乌贼有9到10英尺长，算上它的触须可达到26英尺长，由此可得出这只大王乌贼最长的触须有16到17英尺长。答案：A4．Thescientistsreleasedasmallsquidintheoceanto____________________.A．increasethenumberofthegiantsquidB．trickthegiantsquidintoingoutC．makeaneducationalfilmaboutitD．showconcernforthegiantsquid解析：细节理解题。根据第二段中的“Sincegiantsquideatsmallersquid，thescientistsreleasedasmallsquidasbait.”可知，科学家在大洋里放一条小乌贼的目的是将大王乌贼引诱出来。答案：BⅡ.七选五Differentweathermakespeoplefeeldifferent.Itinfluenceshealth，intelligenceandfeelings.InAugust，itisveryhotandwetinthesouthernpartoftheUnitedStates.1.____________IntheNortheastandtheMiddleWest，itisveryhotatsometimesandverycoldatothertimes.PeopleinthesestateshavemorehearttroubleaftertheweatherchangesinFebruaryorMarch.Theweathercanalsoinfluenceintelligence.Forexample，ina1983reportbyscientists，IQofagroupofstudentswasveryhighwhenaverystrongwindcame，butafterthestrongwind，theirIQwas10%lower.2.____________Veryhotweather，ontheotherhand，canmakeitlower.StudentsinmanyschoolsoftheUnitedStatesoftengetworseonexamsinthehotmonthsoftheyear(JulyandAugust)．Weatheralsohasastronginfluenceonpeople’sfeelings.Wintermaybeabadtimeforthinpeople.Theyusuallyfeelcoldduringthesemonths.Theymightfeelunhappyduringcoldweather.3.____________Theyevendon’tliketodooutdooractivities.Lowairpressuremaymakepeopleforgetful.4.____________Thereis“goodweather”forhealth.Peoplefeelbestatatemperatureofabout18℃Areyoufeelingsad，tired，forgetful，orunhappytoday？5.____________A．Itmaybetheweather’sproblem.B．Warmweathercanhaveabadeffectonhealth.C．Thewindcanhelppeoplehavemoreintelligence.D．Butfatpeoplemayhaveahardtimeinhotsummer.E．Peoplemayhavemoreintelligencewhenlowairpressurees.F．Peopleleavemorebagsonbusesandinshopsonlow－pressuredays.G．Peopletherehavehearttroubleandotherkindsofhealthproblemsduringthismonth.答案：1—5GCDFAⅢ.完形填空Withtheirshining，greybodies，dolphins__1__tobelargefish.__2__，theyarereallywarm－bloodedmammals.Althoughtheycanstayunderthewaterfor__3__fifteenminutesatatime，thedolphins，__4__whales，mustetothesurfacetobreatheairthroughaholeontopoftheirheads.Dolphinsaresocialanimals.Manyofthemevenenjoybeingaroundhumans.__5__beingplayful，theyarehelpfultomen.Forexample，__6__400BC，theGreekpoetArionwassavedfromdrowningbyadolphin.Fromthenuntilnow，dolphinshavebeenhelping__7__whoareintrouble.Swimmers，however，arenot__8__humanstheyhelp.Insomepartsoftheworld，theyhelpfishermen__9__fish.Dolphins，whosebrainiseven__10__thanahumanbrain，areveryclever.Therefore，somepeoplethinkadolphin__11__smarterthanaperson.But__12__brainsizeisnottheonlymeasureofcleverness.Besides，__13__dolphins’clevernessinotherwaysisnotpossible__14__mencannottalkwiththem.Butwecanalmost__15__thatdolphinscantalkwith__16__.Theymakedifferent__17__whichseemtobe__18__aformoflanguage.Uptonowmen__19__abletofindouthowdolphinsaretalking，sonoonereallyknows__20__theyarethinking.Ifwecouldtalkwiththem，perhapstheycouldteachustobeashappyastheyseemtobe.1．A.pretend B．lookC．happen D．appear解析：appear侧重指从外表上看似乎如此，不注重实际上是否如此。look指基于视觉印象上的看法，往往指看上去如此，实际上也是如此。答案：D2．A.But B．HoweverC．Then D．Instead解析：此句承接上文表示转折。but后不加逗号。答案：B3．A.lessthan B．notmorethanC．nomorethan D．upto解析：upto是固定短语，此处指“多达”15分钟。答案：D4．A.like B．asC．with D．unlike解析：like作介词，意为“像……一样”；as作介词，表示“作为”。答案：A5．A.Beside B．BesidesC．Exceptfor D．Except解析：此句意为：“海豚除了爱玩耍，它们对人类也有帮助。”答案：B6．A.asfaras B．aslongasC．assoonas D．asearlyas解析：asearlyas表示“早在……的时候”。答案：D7．A.poets B．driversC．sailors D．swimmers解析：从下句话可知。答案：D8．A.only B．theonlyC．justonly D．thejust解析：句意为：“然而，游泳者并不是海豚帮助的唯一的人。”答案：B9．A.catching B．catchC．beingcaught D．caught解析：helpsb.(to)dosth.表示“帮助某人做某事”。答案：B10．A.smaller B．heavierC．lighter D．larger解析：由上下文可知。答案：D11．A.willbe B．mustbeC．can’tbe D．mustn’tbe解析：must表示肯定推测。答案：B12．A.ofcourse B．intheendC．bynature D．bymeansof解析：ofcourse表示“当然”。句意为“当然，大脑的大小并不是衡量是否聪明的唯一的标准。”答案：A13．A.deciding B．knowingC．measuring D．telling解析：由“brainsizeisnottheonlymeasureofcleverness”可知答案。答案：C14．A.since B．andC．unless D．but解析：since表示原因。答案：A15．A.sure B．certainC．besure D．becertainly解析：besure作谓语，表示“确信海豚彼此之间可以交谈”。答案：C16．A.people B．fishC．humans D．eachother解析：eachother表示“彼此”。答案：D17．A.voice B．noiseC．sounds D．cries解析：此处指发出声音。voice“嗓音”；noise“噪声”；cry“哭喊声，叫喊声”。答案：C18．A.atleast B．asC．nothinglike D．possible解析：发出的声音，看起来至少是一种语言形式。答案：A19．A.havebeen B．haven’tbeenC．willbe D．won’tbe解析：句意为：“直到现在，人们还没能弄清楚海豚怎样进行交谈。”答案：B20．A.why B．whereC．what D．which解析：what引导宾语从句，在从句中作宾语。答案：CⅣ.语法填空阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。1.____________(work)atthewhalingstation，Iwitnessedhugewhales2.____________(kill)manytimeswithmyowneyes.3.____________theafternoonIarrivedatthestat