consequently 和 so 有什么区别?

抱歉,中文解释语法规则俺一窍不通,只好给你例句了
前者
John was building a small house,but it was blown down in the storm.Consequently,he was back to square one and had to start all over again.
约翰正在建造一幢小房子,但是在暴风雨中房子被吹倒了.结果他又回到了原状,只得重新开始.
At the dinner,Mr Blank was in his cups when he made his speech and consequently it was the most amusing speech of the evening.
酒席上,布兰克先生喝醉时发表了一番讲话,因此,那天晚上他的讲话最逗人.
He had been ill for a long time and consequently he was behind in his work.
他病了很久,因此耽误了功课.
后者
He disconnected the phone so as not to be disturbed.
他为了不受打扰,把电话线路关掉了.
How could you be so stupid as to believe him?
你怎么这麽笨竟相信他的话?
He is divorced and so am I.
他离了婚,我也离了婚.

意思相同，但前者是副词，不能用来连接句子（还有therefore和hence也是），而so是连词，可以连接句子。