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1、ce4-unit1Directions:Inthissection,youwillhearapassagethreetimes.Whenthepassageisreadforthefirsttime,youshouldlistencarefullyforitsgeneralidea.Whenthepassageisreadforthesecondtime,youarerequiredtofillinthemissinginformation.Finally,whenthepassageisreadforthethirdtime,youshouldcheckwhatyouhavewritten.
2、Asweknow,oneofthemost(36)____significant______postwarinventionsofthetechnologicalrevolutionistheelectroniccomputer.Inthelate1940’s,thefirstmoderncomputersweredeveloped,andbythe1960’stherewereabout5,000computersinuseintheUnitedStates.Nevertheless,whatwastobecomea(37)__computerized_______societywassti
3、llinitsinfancy.(38)__Eventually_______,thousandsofcomputerswouldbeinstalledinschools,banks,businessoffices,governmentagencies,laboratories,andincreasinglyin(39)__private_______homes.Computerscancarryoutcalculationina(40)___fraction______ofasecondthateventhemostefficientpersoncouldnotcompleteinalifet
4、ime.Computersavailablebythe1960’scouldcarryoutinonesecond357,000(41)___additions______orsubtractions,or178,000multiplications,or102,000divisions.Theywerebeingusedbygovernmentstocheckincometaxreturnsandtorecorddataonbirths,marriages,publichealth,car(42)__registrations_______andcriminalrecords.Theywer
5、ebeingusedbyindustriesto(43)_____forecast____economictrendsandcontrolassemblylinesinautomatedfactories.(44)__Theywerebeingusedinlaboratoriestoanalyzecomplextechnicalproblemsthatcouldnotbestudiedinanyotherway.Theywerebeingusedinbusinessandbanksforaccounting,bookkeepingandbilling.(45)_____Computersare
6、nowdoingmuchofcertainkindsofmentalworkoncedonebymenandwomen__.Infact,anyinformationthatcanbemeasuredorcountedcanbemanagedmoreefficientlybycomputersthanbyhumanbeings.So(46)__therecanbenodoubtthatthecomputerisamodernwonder.Inthissection,thereisashortpassagewith5questionsorincompletestatements.Readthep
7、assagecarefully.Theanswerthequestionsorcompletethestatementsinthethirdtime,youshouldcheckwhatyouhavewritten.Cultureshockissonamedbecauseoftheeffectithasonpeoplewhentheyenteranewculture.Expertshavebeen
