It found percent often stayed online longer than intended, more than 12 percent said they saw a need to cut back on their Internet use, and percent tried to conceal "non-essential" Internet us
第一篇 Internet,an invisible net, may make you, like a fisherman, catch a lot of fishes—something useful, and also may make you get increasingly involved in and unable to extricate yourself from
网络优点:1、Convenient data sharing. Through multimedia technology, can timely letter all kinds of information for netizens to share, enrich the information of netizens, such as looking up information, watching n