Reading Skill: Skimming Unit 1 Education Unit 2 History Unit 3 Time Reading Skill:Scanning Unit 4 Geography Unit 5 Cities Unit 6 Transportation Reading Skill: Critical Reading 1 Unit 7 Language Unit 8 Architecture Unit 9 Environment Reading Skill:Critical Reading 2 Unit 10 Immigration Unit 11 Globalization Unit 12 Society and Values Unit 13 Civilizations Unit 14 Poetry