范文：
　　Nowadays there are fewer and fewer cinema-goers and the cinema is slack. However, there are more and more TV viewers. There are many reasons for this social phenomenon, but in general, they come down to three major ones.
　　First, film tickets are too expensive, while it doesn't cost much to watch TV at home. Besides, it is time-consuming and inconvenient to go to the cinema. Nevertheless, it is very convenient and comfortable to watch TV at home. You needn't go out but just need to turn on the television. Most important of all, if you don't like the film you'll have to sit through it; but if you don't like one programme on TV, you can shift to another.
　　However, some people still go to the cinema. They usually go to the cinema for the purpose of social contact. Young people go dating there. Other people go to the cinema as an activity. For example, schools often organize children to go to the cinema. Sometimes employees also go to the cinema with the film tickets presented by their institutions.