For some one who want to improve speaking, reading, writing and listening academic skills in English for IELTS preparation test, you can try to open this 2 hours duration video below. Margot Politis explains about many important things for IELTS preparation test such as:
How she explains the different between fact and opinion, explains about businesses and different ways to discuss about economic information, explains about comparison, brain storming, taking notes, developing ideas about global warming, explains about using cause and effect, ex green house effect. Explains about processes ex toilet. Explains about acronyms, abbreviations, names ex ( attention deficit hyperactivity disorder), she explains also how the way to use connecting ideas.
IELTS preparation series 1
IELTS preparation series 2