Unit 7: Pollution
Unit 8: English Speaking Countries
- Getting started - Unit 8: English speaking countries
- A closer look 1 - Unit 8: English speaking countries
- A closer look 2 - Unit 8: English speaking countries
- Communication - Unit 8: English speaking countries
- Skills 1 - Unit 8: English speaking countries
- Skills 2 - Unit 8: English speaking countries
- Looking back - Unit 8: English speaking countries
- Project - Unit 8: English speaking countries
Unit 9: Natural Disasters
- Getting started - Unit 9: Natural disasters
- A closer look 1 - Unit 9: Natural disasters
- A closer look 2 - Unit 9: Natural Disasters
- Communication - Unit 9: Natural disasters
- Skills 1 - Unit 9: Natural disasters
- Skills 2 - Unit 9: Natural disasters
- Looking back - Unit 9: Natural disasters
- Project - Unit 9: Natural disasters
Unit 10: Communication
Unit 11: Science And Technology
- Getting started - Unit 11: Science and Technology
- A closer look 1 - Unit 11: Science and Technology
- A closer look 2 - Unit 11: Science and Technology
- Communication - Unit 11: Science and Technology
- Skills 1 - Unit 11: Science and Technology
- Skills 2 - Unit 11: Science and Technology
- Looking back - Unit 11: Science and Technology
- Project - Unit 11: Science and Technology
Unit 12: Life On Other Planets
- Getting started - Unit 12: Life on other planets
- A closer look 1 - Unit 12: Life on other planets
- A closer look 2 - Unit 12: Life on other planets
- Communication - Unit 12: Life on other planets
- Skills 1 - Unit 12: Life on other planets
- Skills 2 - Unit 12: Life on other planets
- Looking back - Unit 12: Life on other planets
- Project - Unit 12: Life on other planets
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