1 . A report(报道) on 3,375 students aged between 10     1     18 says that about 38 percent of them use the Internet often. Most of them get useful information and use the Internet to help their studies. But some are not using it in good ways. Many are     2    on-line games too much. A few even visit websites(网 站) that they should not look     3    . After that, their learning gets worse and worse.

In order to help students use the Internet in a good way, a textbook is used in some schools this term. It gives many useful ideas. For example , it's good to read news and do exercise at least   twice     4     week.

Teachers and parents all think the book is educational. It can teach students     5     to be a good person on the Internet.