一道阅读理解问题
RadioandTelevision
Radioandtelevisionareverypopularintheworldtoday.Manypeoplewatchtelevision.Wecallthemviewers.perhapsmorepeoplelistentotheradio.wicallthemlisteners.Olderpeoplecalltheradiothewireless.AndinconversationpeoplecalltelevisionTVorthe‘tele’.
TheTVis,ofcourse,moreusefulthantheradio.OntheTVyoucanseeandhearwhatishappening.Buttheradioisnotdisappearing(消失).Itisstillwithus.Andthenumberoflistenersisbecominglarger.Onereason(原因)forthisistheinvention(发明)ofthetransistorset(半导体收音机).Atransistorsetissometimesverysmall.Itiseasytocarryabout.Youcanputoneinyourpocket(衣袋)whenyougotowork.Youcanlistentonewsbroadcasts(广播)orradiolessonsonthebus.Youcanlistentothemonyourbike.Youcanputyourowntransistorsetbesideyourpillow(枕头)whenyougotobed.Besides(除此以外),radiobroadcastsarebetterforblindpeople.Andthesightofmanyoldpeopleisnotgoodenoughtowatchtelevision.Thenwhenpeopleareworking,theycannotwatchtelevision,buttheycanalwayslistentomusicontheradio.What’smore(而且),atelevisionsetisratherexpensive.Noteveryfamilycanhaveone.Butatransistorsetismuchcheaper.
Radiobroadcastsarebetterfor__.
A.blindpeopleB.childrenC.someoldpeopleD.bothAandC
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