D
Modcminventionshavespeededuppeople’slivesamazingly.Motor-carscoverabundredmilesinlittlemorethananhour.Aireraftcrosstheworldaday,whilecomputersoperateatlightningspeed.Indeed,thisloveofspeedseemsnever-ending.Everyycarmotor-carsareproducedwhichgoevenfastereachnewcomputerboasts（吹嘘）ofsavingpreeioussecondsinhandlingtasks.
Allthissavestimc,butataprick.Whenweloseorgainhalfadayinspeedingaerosstheworldinanairplane,ourbodiestellusso.Wegettheuncomfoerablefeelingknownasjet-lag;ourbodiesfeeltlrutheyhavebeenleftbebindinanotarninezoorsAgainpendingtoolongatcompulersresul’sinpaintininrtsandfingers.Mobilephonesalsotodangeaccordingtosomeseientists;toomuchussmaythesmithbulradiationintoourbrains,awedonotliketothinkabout.
Howave,whatd owedowiththetimewehavesaved?Certainlynotorsoitseems.Wearesoaccustomedtoconstantactivitythatwefinditd ifficulttositanddonothing,orevenjustonethingatatime.Pcrhapsthedaysarelonggonewhenwemightlistenquietlytoastoryontheradio,lettingimavinationtakeusintoanotherworld.
Therewasatimewhensomepeople’slivesweredevotcdsimplytothecultivationofthelandortheeareofeattle.Nomulti-taskingthere;theirliveswenlonatamuchgentlerpace,andinafamiliarpattern.Thereismuchthatwemightenvyaboutawayoflifelikethis.Yetbeforewedoso,wemustthinkofthehardtasksourancestorsfaeed;:theyfarmedwithbarehands,oftenlivedclosetohunger,andhadtofashiontoolsfromwoodandstone.Modemmachineryhasfreedpeopefrethatprimitiveexistcnee.
68.Thenewroouctsopcomemoreandmoretime-savingbeeause________
A.ourloseeuspeedutsnever-ending
B.moisliwhcd
C.shipncesareincreasinglyhigh
D.themanufacturersboastalot
正确答案：A
