Don't: show your password, share your personal information, post bad comments, believe everything on the Internet, spend too much time on the Net, call bad names, Do: use strong password, keep your computer free from viruses, say "no" to bulling, use save websites, scan for viruses before opening, think before you post comments,

Safer Internet Day 2021

由
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？