Para1:States the topic of the passage.
para2:Explains what thethem “Great Britain”means and how it came about.
para3:Explains differences inthe four countries.
para4:Explains how England is divided into three zones.
para5:Expains the importance of London as a cultural and political cnter in the UK.
para6:The summary of the text.
这是段落大意。希望能帮到你,满意请采纳。