Here are some pages from a very useful Eduqas English Language Workbook. They take you through each question in the Reading section in great detail:
Front Cover and Index
Overview of Section A
Question 1: Extracting Key Information
Question 2: Writing about Language
Question 3: Creating an Impression
Question 4: Explaining Language and Structure
Question 5: Evaluating Critically
Here is the whole section in one document: