2019-2020年高考英语二轮复习 阅读理解专练（5）

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1、2019-2020年高考英语二轮复习阅读理解专练（5）科普知识（阅读理解）由(xx安徽“江南十校”高三联考)改编USscientistshavefixedexperimentalsensors(传感器)insomecitiestomapwindpatternsandprovidepossiblelifesavinginformationinachemicalorbiologicalattack.Twotestmodels,intheformofnine-meterhighaluminum(铝)towers,arenowundergoingtest

2、inginNewYorkCity,oneinGreenwichVillageandtheothernearTimesSquare.HalfadozensimilarsensorshavebeenfixedinandaroundWashington.Simulations(模仿)ofterroristattackscarriedoutsincetheSep.11,2001attackshavestressedtheimportanceoffindingoutassoonaspossiblethoseareasthatwouldbemostaffec

3、tedbygivingoutpoisonousgasorradioactivematerialintotheair.Now,theonlyreliablesourcesofinformationonwindspeedsanddirectionaremajorairports,whicharegenerallylocatedtoofarawayfromcitycenterstobeofmuchuse.Theexperimentalsensorsmeasurewindstrengthanddirection10timespersecond.Thein

4、formationisdownloadedthroughtheInternettoputersthatcanturnoutadetailedwindmap,updatedevery15minutes.AddressingarecentHouseofRepresentativesmitteemeeting,thedirectoroftheNationalOceanicandAtmosphericAdministration(NOAA’s)“AirResources”laboratory,BruceHicks,stressedtheimportanc

5、eofdevelopingthewindmappingprogram.“Thewindsensorsnowbeingtestedwereproducedbyscientistsrecognizingthere’sarealproblemandwe’dbetterstarthandlingitfastorelsewe’llgetintotrouble.”Hickssaid.Funds(资金)duringthetestingperiodhadbeenprovidedbythenewDepartmentforHomelandSecuritywhichw

6、illdecidewhethertofixsensornetworksinmajorUScities,iftheexperimentshouldhavepositiveresults.1.Thepurposeofdevelopingthewindmappingprogramisto　　　. A.getlifesavinginformationduringterroristattacksB.getusefulinformationaboutweatherchangesC.mapthespeedanddirectionofthewindD.preve

7、ntpossibleterroristattacks2.Accordingtothetext,theinformationfrommajorairportsis　　　. A.slowlydownloadedB.notquitereliableC.quicklyupdatedD.notveryuseful3.Fromthetext,wecanlearnthatthewindmappingprogram　　　. A.hasbeenputintopracticaluseB.isbeingexperimentedC.isjustanideaunderdi

8、scussionD.hasfinallyfailedforlackofmoney4.Whatisthetextmainlyabout?(