now more and more people own televisions，which present a very vivid world to us. on television，we can watch exciting matches，see most of the places of interests without going there ourselves.
from tv，we learn many things happening in the world. television also plays an educational role in our daily life. children enjoy learning much interesting knowledge from tv. by providing various tv university courses，television offers various educational programs for different viewers.
however，television can also be harmful. it hurts our eyes. watching tv too much influences our sleep and work.
now many students spend too much time on tv，which reduces their study time and does great harm to their health. in short，we should regard television as our assistant，not our master.
翻译
现在越来越多的人拥有电视机，这给我们呈现了一个非常生动的世界。在电视上，我们可以观看激动人心的比赛，不用亲自去就可以看到大部分的名胜。从电视上，我们了解到世界上发生的许多事情。电视在我们的日常生活中也起着教育作用。
孩子们喜欢从电视上学习许多有趣的知识。通过提供各种电视大学课程，电视为不同的观众提供各种教育节目。然而，电视也可能是有害的。它伤害我们的眼睛。
看电视太多会影响我们的睡眠和工作。现在许多学生花太多时间看电视，这减少了他们的学习时间，对他们的健康造成了极大的危害。简言之，我们应该把电视视为我们的助手，而不是主人。