As everybody knows,Internet is a very important part of our life.But for the teenagers,it's not always good.Internet is a double-edged sword.There is lots of information on the Interenet.So it's a very helpful tool for students to get information swiftly and easily.However,some information is good and some may be bad.So for the teenagers,it's important to find out the good things and keep the bad things away.But most teenagers haven't got such good self-contral.So,if someone young is surfing on the Internet,it's a good idea to use the"Green Dam".
互联网对青少年的影响的英文作文100个单词 救急