填空题

Millions of young people are creating blogs. Millions of others are reading them. The word "blog" is a short way of saying Web log.
Many popular (36) now offer free, easy ways to create personal Web pages and fill them with writings and pictures. Many young adults use their blogs to write about daily (37) and events in their lives. They also provide a place for people to write their ideas and (38) and react to the ideas of others.
Blogs offer young people a place to show their writings and other forms of (39) . Blogs can also be helpful to connect young people with larger social groups. But some researchers say the (40) harmless blogs can become dangerous when read on the (41) by millions of people all over the world.
People are (42) that students are including information in their blogs that create a threat to their own (43) and safety. (44) . This personal information puts them at risk of being sought out by dangerous people who want to harm them.
(45)
One way to avoid these problems is by using programs that permit blogs to be read by "friends only". (46) .