Television plays an important part in our daily life.on the one hand,it provides us news both at home and abroad.we can get to know many things happening around the world.it can also bring us much pleasure.programs of television make us relaxed and forget unhappy things.on the other hand,television can have bad effects on us.it does great to our eyesight and study.so we should spend less time on television.besides,we students should not watch programs that are not suitable for students.otherwise,we will be badly affected by television.in a word,we should make good use of television and use it properly.