英语四级写作背诵范文三

电襄洛曼国医英语IROCKYMTtRMATMmMEMCLMMThe Definitionof“Price”Prices determinehow resourcesare to be used.They arealso themeans bywhichproducts andservices thatare inlimited supplyare rationedamong buyers.The pricesystemof theUnited Statesis acomplex networkcomposed of the pricesof allthe productsboughtand soldin theeconomy as well asthose of a myriadof services,including labor,professional,transportation,and public-utility services.The interrelationshipsof alltheseprices makeup the“system“of prices.The priceof anyparticular product or serviceislinked toa broad,complicated systemof pricesin whicheverything seemsto dependmoreor lessupon everythingelse.If onewere toask agroup ofrandomly selectedindividuals todefine“price”,manywould replythat price is anamount of money paidby thebuyer tothe sellerofa product orserviceor,in otherwords thatpriceisthe moneyvalues ofaproductor serviceas agreeduponin amarket transaction.This definitionis,of course,valid asfar asit goes.For acompleteunderstanding ofa pricein anyparticular transaction,much more than the amountof moneyinvolved mustbe known.Both thebuyer andthe sellershould befamiliar withnotonly themoney amount,but withtheamountand qualityofthe productor service tobeexchanged,the timeand placeat whichthe exchangewill takeplace andpayment willbemade,the formof moneytobeused,the creditterms anddiscounts thatapply tothetransaction,guarantees ontheproductorservice,delivery terms,return privileges,andother factors.In otherwords,both buyerand sellershould befully awareof allthe factorsthatcomprise thetotal“package“being exchangedfor theasked-for amountofmoneyinorder thatthey mayevaluate agiven price.TelevisionTelevision-----the mostpervasive andpersuasive ofmodern technologies,marked byrapid changeand growth-is movinginto anew era,an eraof extraordinarysophistication and versatility,which promisesto reshapeour livesand ourworld.It isanelectronic revolutionof sorts,made possibleby themarriage of television andcomputertechnologies.The wordtelevision,derived fromits Greektele:distant andLatin visio:sight roots,can literallybe interpretedas sightfrom adistance.Very simplyput,it worksinthis way:through asophisticated systemof electronics,television providesthe capabilityofconverting animage focusedonaspecial photoconductiveplate within a cameraintoelectronic impulses,which can be sentthrough awire orcable.These impulses,when fedintoa receivertelevision set,can thenbe electronicallyreconstituted intothat sameimage.Television ismorethanjust anelectronic system,however.It isa meansofexpression,as wellas avehicle forcommunication,and assuch becomesa powerfultoolfor reachingother humanbeings.The fieldoftelevisioncanbedivided intotwo categoriesdetermined byitsmeans oftransmission.First,there isbroadcast television,which reachesthe massesthroughbroad-based airwavetransmission oftelevision signals.Second,there isnonbroadcast television,which providesfor theneeds ofindividuals orspecific interestgroupsthrough controlledtransmission techniques.Traditionally,television has been amedium ofthe masses.We aremost familiarwithbroadcasttelevisionbecause it hasbeenwith usfor aboutthirty-seven yearsinaformsimilar towhat existstoday.During thoseyears,ithasbeen controlled,for themost part,bythe broadcastnetworks,ABC,NBC,and CBS,who havebeen themajor purveyorsof news,information,and entertainment.These giantsof broadcastinghave actuallyshaped notonlytelevision butour perceptionof itaswell.We havecome tolook uponthe picturetube asasource ofentertainment,placing ourrole inthis dynamicmedium asthe passiveviewer.“成千上万人疯狂下载DOWNLOAD更多价值连城的绝密英语学习资料,洛基内部秘密英语，技巧，策略请在网上申请报名”。