Vocabulary learning through this link

Tips for using comparisons to improve writing skills in IELTS test in this link

Academic words in texts

Learning academic words from useful websites below:

BBC Look under Browse and follow the links to a topic that interests you: news, science, history, business etc.
New Scientist This site has interesting articles related to science and technology.
Economist This site has articles which analyse world business and current affairs, including international news, world politics, business, finance, science and technology, as well as articles on current cultural trends.
HowStuffWorks This is a very interesting site for anyone interested in understanding how the world around us works, and especially for science and engineering students.
Wikipedia This online encyclopedia has articles about a vast range of subjects.