话题20科普知识与现代技术

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1、话题20科普知识与现代技术PopularscienceandmoderntechnologyAModerninventionshavespeduppeopledlivesamazingly.Motor-carscoverahundredmilesinlittlemorethananhour,aircraftcrosstheworldaday,whilecomputersoperateatlightningspeed.Indeed,thisloveofspeedseemsnever-ending.Everyyearmotor-carsareproducedwhichgoevenfaster;ea

2、chnewcomputerboasts（吹嘘）ofsavingprecioussecondsinhandlingtasks.Allthissavestime,butataprice.Whenweloseorgainhalfadayinspeedingacrosstheworldinanairplane,ourbodiestellusso.Wegettheuncomfortablefeelingknownasjet-lag;ourbodiesfeelthattheyhavebeenleftbehindinanothertimezone.Againspendingtoolongatcomputer

3、sresultsinpainfulwristsandfingers.Mobilephonesalsohavethendangeraccordingtosomescientists;toomuchusemaytransmitharmfulradiationintoourbrains,aconsequencewedonotliketothinkabout.However,whatdowedowiththetimewehavesaved?Certainlynotrelax,orsoitseems.Wearesoaccustomedtoconstantactivitythatwefinditdiffi

4、culttositanddonothing,orevenjustonethingatatime.Perhapsthedaysarelonggonewhenwemightlistenquietlytoastoryontheradio,lettingimaginationstakeusintoanotherworld.Therewasatimewhensomepeopledlivesweredevotedsimplytothecultivationofthelandorthecareofcattle.Nomulti-taskingthere;theirliveswentonatamuchgentl

5、erpace,andinafamiliarpattern.Thereismuchthatwemightenvyaboutawayoflifelikethis.Yetbeforewedoso,wemustthinkofthehardtasksourancestorsfaced;theyfarmedwithbarehands,oftenlivedclosetohunger,andhadtofashiontoolsfromwoodandstone.Modemmachineryhasfreedpeoplefromthatprimitiveexistence・（NMET2010江西）1.Thenewpr

6、oductsbecomemoreandmoretime-savingbecause.A.ourloveonspeedseemsnever-endingB・timeislimitedC・thepricesareincreasinglyhighD.themanufacturersboastalot2.Whatdoes"thedays，'inParagraph3referto?A・ImaginarylifeB.SimplelifeinthepastC.TimesofinventionsD・Timeforconstantactivity3.Whatistheauthor'sattitudetoward

7、sthemodemtechnology?A.CriticalB.ObjectiveC.OptimisticD.Negative4.Whatdoesthepassagemainlydiscuss?A.ThepresentandpasttimesB.MachineryandhumanbeingsC.ImaginationsandinventionsD.Modemtechnologyanditsinfl