求写英语作文：电视的优点和缺点,不少于80个单词.

As we all know,a coin has two sides,in my opinion,sometimes watching TV is good for us,but sometimes it is bad for us. We can watch TV in our free time,it can make us know more aubout the world and some useful things.It's helpful. But if we watch TV too much or watch TV before we finish our studying task,It will be bad for our study,we may get low mark in tests.So I think if we watch TV in right way,it will be good for us.