many people think that tv can＇t teach you anything and most tv programs are just silly. true, there are a lot of shows that are anything but good. but if you watch, you will find that tv is still a powerful educational tool. with the emergence of the public tv in our country we now have more helpings of food for the mind. take the travelogue "the world we live in" it provides us not only with vicarious travel experience but also with the histories and cultures of various nations. spec live, what they wear and how they talk even though i can’t afford to travel to those countries. my family often sit together to watch a program and discuss it afterward. sometimes my parents ask us what we would do in a similar situation and this gives us the opportunity to rethink.
we should not forget that tv can be an excellent teacher. in this era of mass media we believe that tv, if guided into the right channel, can