| Unit 1 Successful Brands Section A Lead-in Section B Listening Section C Watching Section D Video-based Writing Unit 2 Protecting Our Earth Section A Lead-in Section B Listening Section C Watching Section D Video-based Writing Unit 3 Volunteer Work Section A Lead-in Section B Listening Section C Watching Section D Video-based Writing Unit 4 Internet and Security Section A Lead-in Section B Listening Section C Watching Section D Video-based Writing Unit 5 Colorful Cultures Section A Lead-in Section B Listening Section C Watching Section D Video-based Writing Unit 6 Famous People Section A Lead-in Section B Listening Section C Watching Section D Video-based Writing Unit 7 Ways to Success Section A Lead-in Section B Listening Section C Watching Section D Video-based Writing Unit 8 Calamities and Rescues Section A Lead-in Section B Listening Section C Watching Section D Video-based Writing Key Scripts |
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