答案:As a product of modern computer and the Internet, online games have become very popular among college students. But some students are too much indulged in (沉溺于) these games so that their health and academic performances are affected. This phenomenon has caused much worry from the teachers and parents. However, some others argue taht online gmes are not always harmful. The can train the ability of youngsters to respond to things quickly. Morweover, they can stimulate theri imagination and their interest in computer science. More imporrtantly, it does bring college students much pleasure and release their presssure greatly. From my point of view, online games are a wonderful entertainment if you play them in a reasonable way. If you have enough self-control over them, you can certainly obtain real pleasure and benefit a lot from them.