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(三十三)选择性必修第四册UNIT2主题语境地球与宇宙奥秘探索I.阅读理解The immenseand forbiddingSouthern Oceanis famousfor howlingwinds andstrangewaves thathave testedmariners forcenturies.But itstrue strength lies beneath the waves.The oceansdominant feature,extending upto twomiles deepand asmuch as1,200(极土也附近的)miles wide,is theAntarctic CircumpolarCurrent,by farthe largestcurrent in the world.It isthe worldsclimate engine,and it has kept the worldfrom warmingeven morebydrawing deepwater fromthe Atlantic,Pacific andIndian oceans,much ofwhich hasbeenin thedeep oceanfor hundredsof years,and pulling it to the surface.There,it exchangesheat and carbondioxide withthe atmospherebefore beingpushed againon itsendlessround trip.Without thisaction,which scientistscall upwelling,the worldwould beeven hotterthanithasbecome asa resultof human-caused emissionsof carbondioxide andotherheat-trapping gases.From noperspective isthere anyplace moreimportant thantheSouthern Ocean,“said JoellenL.Russell,an oceanographerat theUniversity ofArizona.“Theres nothinglike iton PlanetEarth.”For centuriesthis oceanwas largelyunknown,and itsconditions wereso extremethatonly arelative handfulof sailorswent toits waterswith lotsof icebergs.What fragmentaryscientific knowledgewas availablecame frommeasurementstaken byexplorers,naval ships,the occasionalresearch expeditionsor whalingships.(探测仪)But morerecently,a newgeneration offloating,autonomous probesthatcan collecttemperature,density andother datafor years-diving deepunderwater,andeven exploringbeneath theAntarctic seaice,before risingto thesurface tophone home—has enabledscientists tolearn muchmore.They havediscovered thatglobal warmingisaffecting theAntarctic currentin complexways,and theseshifts couldcomplicate theability to fightclimate changein thefuture.
1.Why doesthe truestrengthliebeneaththewaves in the SouthernOceanA.There isthe deepestcurrentin the world.B.There isthe worldslargest current.C.There issevere cold climate inthe SouthPole.D.There arethe strongestwinds andstrangest waves.
2.How doesthe SouthernOcean keepthe worldfrom warmingeven moreA.By pushingsevere cold water to the other oceans.B・By coolingthe warmerwater fromthe otheroceans.C.By drawingcold waterfrom otheroceans andpullingittothesurface.D.By keepingcoldwaterintheotheroceansfor hundredsof years.
3.What doesthe underlinedword fragmentary^mean inParagraph7A.Advanced.B.Abstract.C.Incomplete.D.Concrete.
4.What doscientists discoveraccording tothe lastparagraphA.The currentthere isin normalcondition despiteglobal warming.B・The currentthere isunder thecomplicated influenceof globalwarming.C.The autonomousprobes havefound solutionsto globalwarming.D.Nothing canbe donefor globalwarming dueto severecoldclimate.II.完形填空(2023•长沙模拟)1studied financeand economicsin undergraduate.1,I realisedthatfinance wasn,ttheonly optionfor me.So,I expandedmy searchto includeother2andnon-traditional careerpaths.(承包公Ultimately,I gotan engineering3atalarge missile defence contractor司).In thatrole,I provided4for amissile defenceprogramme throughoutits entirelifecycle.I5with manyfunctions,such asengineers,the supplychain,and soon.My transitionout ofmissile defencehappened naturallyas Ileft to6graduate school.After gettinga tasteof theinnovation processinthemissiledefenceworld,I believedthatI couldbe muchmore7if giventhe opportunityto buildand expandupon my8set.It feltlike theright timein mycareer todevelop adeep9of howsuccessful businessesarerun andhave asafe spaceto nursemy personaland10growth.Honestly,the11to gototheKellogg Schoolof Managementwas reallyeasy forme tomake.It12quality education,unique studentculture,and theabilitytofocus ondesignthinking.Going backto schoolwas oneof themost extraordinary13of mylife.It wasthe mostinteresting,challenging,fun,eye-opening,educational,and stressfultwo years,and Iwouldn,t14it fortheworld.As aproduct managerat TrunkClub now,I15a developmentteam ofengineers,designers,and datascientists.Every singleday,I getto cooperatewith themto define,design,and bringnew ideasto life.
1.A.Furthermore B.ThusC.Similarly D.However
2.A.industries B・qualificationsC・occurrences D.values
3.A.degree B・approachC.position D.course
4.A.ambition B.loyaltyC.confusion D.support
5.A.developed B・interactedC.applied D.conflicted
6.A.attend B・manageC.sponsor D.found
7.A.attractive B-efficientC・impressionable D.grateful
8.A.skill B・conditionC.mind D.society
9.A.achievement B.assumptionC・understanding D.competence B
10.A.critical・beneficialC.influential D.professional B
11.A.intention・decisionC.ideaD.willingness B.
12.A.looked downupongave riseto D・C.came downtomade useof B・
13.A.experiencestalentsC・outcomesD.discoveries
14.A.changeB-tradeC.concludeD.seize
15.A.leadB.educateC・equipD・form。