题目

阅读填空  先通读下面的短文，然后根据短文内容，在文章后表格的空格内填入一个最               恰当的单词。每个空格只能填一个单词。     A blogis a shortened name for a'web log. People write blogs about all kinds of things, from news and events to hobbies and reviews. Some people use them just as a simple record of what they have done.     “Blogging has become very popular as more and more people use the Internet. New technologies have made keeping a blog an easy thing to do, so millions of people now have their  o小英家的圆形镜子被打碎了，她拿了如图（网格中的每个小正方形边长为1）的一块碎片到玻璃店，配制成形状、大小与原来一致的镜面，则这个镜面的半径是（ ）A．2B．C．2D．3