Unit 1 Natural World Section A Lead-in Section B Eistening Section C Watching Section D Video-based Writing Unit 2 Wonderful Journeys Section A Lead-in Section B Listening Section C Watching Section D Video-based Writing Unit 3 Famous Universities Section A Lead-in Section B Listening Section C Watching Section D Video-based Writing Unit 4 Job Opportunities Section A Lead-in Section B Listening Section C Watching Section D Video-based Writing Unit 5 Health Considerations Section A Lead-in Section B Listening Section C Watching Section D Video-based Writing Unit 6 Stress Management Section A Lead-in Section B Listening Section C Watching Section D Video-based Writing Unit 7 Education Issues Section A Lead-in Section B Listening Section C Watching Section D Video-based Writing Unit 8 Human Virtues Section A Lead-in Section B Listening Section C Watching Section D Video-based Writing Key Scripts