高考英语说明文阅读专题练习及答案文档格式.docx

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