Experts suggest using a different password for every website you visit, and changing the every few months, It takes trouble to keep them in mind, but it's well worth the effort. Be 21_______ with your passwords and make it difficult for someone to enter your accounts. The more 22_______ you make your password, the more difficult it is for someone else to figure 23_______. Use privacy settings (on social websites to restrict entry into your personal information and limit the 24_______ of private information you share. Even seemingly innocent information you expose about yourself could be used against you. once read about burglary(人室盗窃).It 25_______ that the thieves selected that particular home by 26_______ a Facebook message.
Information on the Internet has made it ensier for thieves to steal any infornation about you.Never 27_______ your full hirth date. Never respond to e-mails delivering personal or financial information. Do not freely offer personal inforrnation to anyone 28_______ you are certain who you are dealing with.29_______ the necessary precautions(预防措施) is the best way to 30_______ you and your personal information stay protected.
30.
A、ensure
B、separate
C、switch
D、apread
【正确答案】：A
