Below is a list of sites which publish high quality journalism – the type that is used for the close reading/RUAE exam. Try to get into the habit of reading an article or two a day, to familiarise yourself with the style of language, and broaden your understanding and vocabulary.
https://www.theguardian.com/uk/commentisfree
http://www.independent.co.uk/voices
http://www.heraldscotland.com/opinion/