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“Friends" on Instant Messaging (即时通讯)
In the past，most people
communicated(communicate) by phone or letter. Not many people had
1 (hear) of e-mail or Instant Messaging (IM). Today，many
2 (adult)send e-mails as their primary means of communication.Teenagers spend much of their time
3 (use)IM to chat in real time.
With access to billions of people,the meaning of a"friend”has .
4 (change).Online friends are often people that teenagers don't know in their real life. They may be people that teenagers met online by chance.
Such a relationship lacks real-life investment in a
5 (friend).Online friends don't
6 (real) know about one another. Therefore,these "friends" are more likely to be
7 (kind). Furthermore, teenagers can .
8 (easy) be fooled.As a result, people who are
9 (hide) their real purpose are
10 (increasing) targeting teenagers.
