微博(微博客MicroBlog的简称)是一个信息分享、传播以及获取平台。2010年被人们称为“微博元年”。从全国“两会”到强制拆迁,从社会热点事件到众多“草根明星”出炉,微博成为民众参与政治的一个利器。公民利用微博参与政治 ①扩大了公民的政治权利 ②促进了政府决策的民主化③拓宽了公民行使权利的渠道 ④保障了公民的基本民主权利
_______is known to us all that the old scientist,for_____life was hard in the past,still works hard in his eighties.
The teacher called Tom to his office because he was caught_____in the exam.
The young writer_____his success to his teacher’s encouragement.
When you phoned me,I was having a meeting,otherwise I_______your call.
_________I went to the US,I visited many cities.