高考英语说明文阅读专题练习及答案文档格式.docx
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高考英语说明文阅读专题练习及答案文档格式.docx
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Admittingourmistakesisaprocessofbeingbetter.Whatweneedtokeepinmindisthatwe’renotsupposedtosaywe’rewrongeasilyorstubbornlysayweareright.Dealwithsuchsituationwithrationality.
1.Thewordunderlinedaresimilarinthemeaningto
A.Overdue
B.Overlooked
C.Preponderant
D.Authentic
2.Whatdoestheunderlinedwordinthetextreferto
A.Someoneneveradmitshewaswrong.
B.Someoneadmitsthemistakesinawaythatisnotsosatisfyingtootherpeople.
C.Someonenevermakesmistakes.
D.Someoneadmitsthemistakesexplicitly.
3.What’sthebesttitleforthepassage?
A.Admityouwerewrong.
B.It’sbettertoadmitmistakes.
C.Whatisfragileego?
D.Whycertainpeoplewillneveradmittheywerewrong.
Withthetremendouslyrapiddevelopmentoftheeconomy,ourenvironmentisbeingfacedagreatthreat,globalwarmingorpollution.Ourcompaniesaredevotingourselvestosuchproblem.
Withourtechnologywecapturecarbondioxidedirectlyfromtheair.Theair-capturedcarbondioxidecaneitherberecycledandusedasarawmaterial,orcompletelyremovedfromtheairbysafelystoringit.OurmachinesconsistofmodularCO₂collectorsthatcanbestackedtobuildmachinesofanysize.
Greyemissionsarebelow10%,whichmeansthatoutof100tonsofcarbondioxidethatourmachinescapturefromtheair,atleast90tonsarepermanentlyremovedandonlyupto10tonsarere-emitted.
ThecoreelementofourtechnologyaretheCO₂collectors.OurCO₂collectorsselectivelycapturecarbondioxideinatwo-stepprocess.First,airisdrawnintothecollectorwithafan.Carbondioxideiscapturedonthesurfaceofahighlyselectivefiltermaterialthatsitsinsidethecollectors.Second,afterthefiltermaterialisfullwithcarbondioxide,thecollectorisclosed.Weincreasethetemperaturetobetween80and100°
C-thisreleasesthecarbondioxide.Finally,wecancollectthishigh-purity,high-concentrationcarbondioxide.
Leadingscientificstudiesindicatethatbymid-century10billiontonsofcarbondioxidewillneedtoberemovedfromtheaireveryyear.Directaircaptureisonesolutionthatcanhelpachievethisgoal.Inordertoscaledirectaircaptureuptothelevelsrequired,weneedtostarttodayandactnow.
1.Wheredoesthispassageprobablycomefrom?
A.Sciencemagazine
B.TVshow
C.Localnewspaper
D.Sciencelecture
2.Ifthemachinecaptured200tonsCO₂,howmuchisre-emittedatmost?
A.180
B.100
C.20
D.0
3.What’sthestructureofthepassage?
A.
B.
C.
D.
CouldAntarcticabecomehabitableinthenexttwocenturies?
Amazingly,theanswerisyes!
First,tobeclear,wecanlivetherenow,butonlywithfoodshippedin.Andnomatterhowintenseglobalwarminggets,Antarcticawillalwayshaveoneenemy:
darkness.
It’sconceivablethatthetemperaturesonAntarctica,particularlyonthecoast,couldbewarmenoughfor“normal”peopletolivethere,butthemaximumsolarangleisstillsolowfortheentiretyofthecontinentthatplantswouldreallystruggletosurvive.
Duringthesummer,thesunisabovethehorizonforlongstretches,butalwaysatlowangles.Duringthespringandfall,thesunisaboveandbelowthehorizonforroughlyequalperiodsoftime,butwhenthesunisabovethehorizon,it’sonlybarelyso.Andofcourse,inwinter,it’sdarkforverylongstretches.Theseconditionswouldbeunsuitableforsubsistenceagriculture,butitturnsoutthere’saplaceverymuchlikewhatthecoastofAntarcticamightbelikeonamuchwarmerEarth:
Vesterå
len,NorthernNorway.ThislovelyNorwegiantownisjustnorthoftheArcticcircle.TheAntarcticcoastismoreorlessontheAntarcticcircle,andthusgetssimilaramountsofinsolation.Asyoucanfromthepicturesonthissite,someplantsdogrow
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