简介:看完电视节目之后,观众可以马上反馈信息。这种双向的电视交流已不再是梦想。Communicationbytelevisionhasbeenone-waysinceitsbeginning.Howev-er,thetelevisionwatcherwillsoonbeabletotalkback.Two-waytelevisionisnowapossibility,makingelectroniccom-municationagoalforthefuture.Becauseofcomputersandcabletelevision,theaudiencewillsoonbemorethanwatchers.Theywillbeabletodomorethanchoosetheirprograms.Theywillalsobeabletogivefeedbackonthem.Two-wayTVisnotadream.Thehard-warefors...
简介:红十字会是一个国际性的志愿救援团体。你知道是谁最先想到成立这样一个组织的吗?美国红十字会的情况又是怎样的呢?TheRedCrossisaninternationalorgani-zationwhichcaresforpeoplewhoareinneedofhelp.AmaninaParishospitalwhoneedsblood,awomaninMexicowhowasinjuredinanearthquake,andafamilyinIndiathatlosttheirhomeinastormmayallbeaidedbytheRedCross.TheRedCrossexistsinalmosteverycountryaroundtheworldRedCrossoriginationsaretimescalledtheRedCrescent,theRedMogenDavid,theSunandtheRedLion.Theideaofforming...