在网络时代的今天,中小学生掌握一些网络知识十分必要。但常有学生病倒、猝死在网吧和因上网变坏或上当的报道见诸报端,所以学生上网应注意以下几点。一是要防止上网综合征。长时间上网冲浪,易得网络综合征。其症状表现为患者全身打颤、痉挛、摔物品,同时健忘、头痛、脾气暴 In the age of the Internet, it is necessary for primary and middle school students to have some network knowledge. However, students often fall ill, die in Internet cafes, and suffer from reports of bad or taken over from the Internet. Therefore, students should pay attention to the following points when surfing the Internet. The first is to prevent the Internet syndrome. Long surfing the Internet, easy to get network syndrome. The symptoms are: the patient trembles, paralyzes, throws items, and forgetfulness, headache, and spleen