Objective. B．Optimistic C．Against them. D．Contented.
D
·Never give out identifying information such as Name, Home, Address, School Name, or Telephone Number in a public message such as at a chat room or on bulletin boards. Never send a person a picture of you without first checking with your parents.
·Never reply to message or bulletin board items that are: suggestive/ obscene（下流的）/ready to fight/ express intention to hurt/ make you feel uncomfortable.
·Be careful when someone offers something for nothing, such as gifts and money. Be very careful about any offers that get you to meet or have someone visit your house.
·Tell your parents right away if you come across any information that makes you feel uncomfortable.
·Never arrange a face-to-face meeting without telling your parents. If your parents agree to the meeting, make sure that you meet in a public place and have a parent with you.
·Remember that people on-line may not be who they seem. Because you can’t see or even hear the person, it would be easy for someone to misrepresent himself or herself. Thus someone says that“she is a 12-year-old girl”could really be an old man.
·Be sure that you are dealing with someone that you and your parents know and trust before giving out any personal information about yourself through E-mail.
·Get to know your“on-line friends”just as you get to know all of your friends.
68．The best title for the passage is“ ”.
A．Warnings against making on-line friends
B．Messages one can get on the Internet
C．How to make friends on the Internet
D．Safety tips for kids on the internet
69．The underlined word“misrepresent”in the passage means .
