Unit 1 Introduction 2 Unit 2 Marking Criteria Task 1 10 Unit 3 Line Graphs 18 Unit 4 Pie Charts 24 Unit 5 Bar Charts 32 Unit 6 Table 40 Unit 7 Process, Map, Flowchart 48 Unit 8 Marking Criteria Task 2 58 Unit 9 Brainstorming 68 Unit 10 Discussing Advantages and Disadvantages 72 Unit 11 Evaluating Points of View 80 Unit 12 Problem/Solution 90 Unit 13 Discussing Reason and Result 100 Unit 14 Expression and Opinion 110 Unit 15 Practice Tests & Models 118 Answer Key 125