大学英语六级口语考试真题练习【6篇】Television-----themostpervasiveandpersuasiveofmoderntechnologies,markedbyrapidchangeandgrowth-ismovingintoanewera,aneraofextraordinarysophisticationandversatility,whichpromisestoreshapeourlivesandourworld.Itisanelectronicrevolutionofsorts,madepossiblebythemarriageoftelevisionandcomputertechnologies.
Thewordtelevision，derivedfromitsGreek(tele:distant)andLatin(visio:sight)roots,canliterallybeinterpretedassightfromadistance.Verysimplyput,itworksinthisway:throughasophisticatedsystemofelectronics,televisionprovidesthecapabilityofconvertinganimage(focusedonaspecialphotoconductiveplatewithinacamera)intoelectronicimpulses,whichcanbesentthroughawireorcable.Theseimpulses,whenfedintoareceiver(televisionset)，canthenbeelectronicallyreconstitutedintothatsameimage.
Televisionismorethanjustanelectronicsystem,however.Itisameansofexpression,aswellasavehicleforcommunication,andassuchbecomesapowerfultoolforreachingotherhumanbeings.
Thefieldoftelevisioncanbedividedintotwocategoriesdeterminedbyitsmeansoftransmission.First,thereisbroadcasttelevision,whichreachesthemassesthroughbroad-basedairwavetransmissionoftelevisionsignals.Second,thereisnonbroadcasttelevision,whichprovidesfortheneedsofindividualsorspecificinterestgroupsthroughcontrolledtransmissiontechniques.
Traditionally,televisionhasbeenamediumofthemasses.Wearemostfamiliarwithbroadcasttelevisionbecauseithasbeenwithusforaboutthirty-sevenyearsinaformsimilartowhatexiststoday.Duringthoseyears,ithasbeencontrolled,forthemostpart,bythebroadcastnetworks,ABC,NBC,andCBS,whohavebeenthemajorpurveyorsofnews,information,andentertainment.Thesegiantsofbroadcastinghaveactuallyshapednotonlytelevisionbutourperceptionofitaswell.Wehavecometolookuponthepicturetubeasasourceofentertainment,placingourroleinthisdynamicmediumasthepassiveviewer.
大学英语六级口语考试真题练习篇五
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Collegeentranceexamination,alsoknownasNationalHigherEducationEntranceExamination,isoneofthemostinfluentialexaminationsinmainlandChina.Qualifiedseniorhighschoolgraduatesandstudentswiththesameeducationallevelcantaketheexamonceayear.ThethreemandatorysubjectsareChinese,Mathematicsandforeignlanguage—usuallyEnglishandthetestpapersvaryfromprovincetoprovince.Collegeentranceexaminationissoauthoritativethatalmostalltheadmissionsmadebytheuniversitiesarebasedonstudentsscoresintheexam.Therefore,manyChineseregarditasacriticaleventintheirlife.Inrecentyears,peoplepaymoreattentiontothecollegeentranceexaminationsystemandvariousproposalsaboutitsreformhavebeenputforward.Expertsclaimthatthefundamentalreformoftheexaminationliesintheuniversityadmissionsystem.
大学英语六级口语考试真题练习篇六
Pricesdeterminehowresourcesaretobeused.Theyarealsothemeansbywhichproductsandservicesthatareinlimitedsupplyarerationedamongbuyers.ThepricesystemoftheUnitedStatesisacomplexnetworkcomposedofthepricesofalltheproductsboughtandsoldintheeconomyaswellasthoseofamyriadofservices,includinglabor,professional,transportation,andpublic-utilityservices.Theinterrelationshipsofallthesepricesmakeupthe“system”ofprices.Thepriceofanyparticularproductorserviceislinkedtoabroad,complicatedsystemofpricesinwhicheverythingseemstodependmoreorlessuponeverythingelse.
Ifoneweretoaskagroupofrandomlyselectedindividualstodefine“price”，manywouldreplythatpriceisanamountofmoneypaidbythebuyertothesellerofaproductorserviceor,inotherwordsthatpriceisthemoneyvaluesofaproductorserviceasagreeduponinamarkettransaction.Thisdefinitionis,ofcourse,validasfarasitgoes.Foracompleteunderstandingofapriceinanyparticulartransaction,muchmorethantheamountofmoneyinvolvedmustbeknown.Boththebuyerandthesellershouldbefamiliarwithnotonlythemoneyamount,butwiththeamountandqualityoftheproductorservicetobeexchanged,thetimeandplaceatwhichtheexchangewilltakeplaceandpaymentwillbemade,theformofmoneytobeused,thecredittermsanddiscountsthatapplytothetransaction,guaranteesontheproductorservice,deliv