题干
假设你校正开展“How to be safe on the Internet”的大讨论活动，请你结合生活实际写一封英语小短文介绍有关情况，以帮助他人安全、文明地使用网络。短文内容包括以下几个方面：
1）网络使用的利弊。
2）介绍如何安全、文明地使用网络的几条规则。如，和家长有所约定，不向strangers透露(give out)真实的个人信息，不单独和net friend见面，使用文明语言，等等。
3）希望……
要求：1）词数不少于100。 2）信中须包括所有内容要点，可适当发挥，使语句通顺，意思连贯，符合逻辑。 3）文章中不要出现真实的校名和人名。
At present, most of us have Internet or Wifi at school and at home. It is time for us to talk about how to use the Internet.
答案(点此获取答案解析）
At present, most of us have net or wifi at school and at home. It is time for us to talk about how to use the Internet. We can get useful knowledge and information through it. We can also get relaxed in our free time. But some of us are not using it in a
