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    Years ago，if a teenager had some problems in his life，he might write them in his diary．Now a teenager w  l the same problems might get on the Internet and write them in his blog．In many ways，a diary and a blog are almost the same．So，what makes a blog d  2  from a diary?

    The biggest difference is that a blog is much more public t  3  a diary．Usually, a teenager likes hiding his diary book and treats it as one full of s 4 ．Both diaries and blogs tell what happened to the writer that day．

    A blog has both good and bad points（特點）．The biggest problem is that anyone can read what you write in your blog．If you are not satisfied with a friend during school and write something bad about him in your diary．he will never know it．H  5  , if you do this on the Internet．that friend may read your blog and get a  6 ．So we have to be careful of what we write．

    A blog has good points，of course．People choose to write in blogs. They know that their friends will read what they write．If you are f  7  sad one day and write in your diary．no one will know about it．If you write the same words in your blog, your friends may quickly w 8  back to comfort you or offer their help．Blogs help people stay in close contact（聯(lián)系）and let them know what their friends are doing．

    T  9   it’s a good way to write blogs about everyday life．I still p  10  my old diary．