— Let's go hiking ________ staying at home, shall we?

— Good idea.

2014年全国“两会”期间，多位全国人大代表、政协委员开微博、征民意，公民在互联网上为“两会”建言献策也格外火爆。这说明（  ）
①我国公民可以通过网络解决一切难以解决的问题 ②我国公民参与民主决策、民主监督的意识不断增强 ③我国公民可以通过互联网直接管理国家事务 ④我国人民行使建议权和监督权的渠道不断扩展 

计算$\sqrt{12}$的结果（）

根据所给汉语意思及文章内容，写出单词的正确形式。（每空限填一词）

    Oliver Twist is a famous novel ____(写) by Charles Dickens. It mainly talks about the boy named Oliver Twist. His parents  ____(死), he has to grow up with many poor ____ (陌生人). One day, when nobody pays ____(关注) to him, he runs away in a ____ (仓促) to London. After he gets to London, he is cheated by one bad guy called Fagin who is very ____ (不礼貌的)and then he starts his life of ____ (偷). In Fagin's house, Oliver also meets some good partners who really care about him. When Oliver is taken to the police station, a good man  saves him and is quite ____ (耐心的) with him. He teaches Oliver how to read books, how to learn ____ (明智的) and how to be a gentleman. These abilities are very ____（有帮助的）to him. More importantly, Oliver's happy childhood has finally come to an end