Talk Computer virus.mp3: How to Avoid Getting a Computer Virus 1. (１)＿＿＿＿＿＿＿＿＿＿ ■Ways of spreading ■（２）＿＿＿＿＿＿sent in emails ■USB drive ■ Defense ■(3)＿＿＿＿＿＿is the best defense ２．Worms ■What are they? ■Worms are scarier(4) ＿＿＿＿＿＿＿ ■ Way of spreading ■ Spread to computers(5)＿＿＿＿＿＿＿ humans'　efforts ■ Defense ■Keep your computer software(６)＿＿＿＿＿＿＿＿＿＿ ３．（７）＿＿＿＿＿＿＿＿ ■What are they? ■ Appear to be a(8)＿＿＿＿＿＿＿＿＿ ■ Way of spreading ■ （９）＿＿＿＿＿＿from　the Internet ■Defense ■ Only download softwares from (10)＿＿＿＿＿＿＿＿sites/js/editor20150812/dialogs/attachment_new/fileTypeImages/icon_mp3.gif