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Unit 1. A long and healthy life
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Unit 2. The generation gap
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Unit 3. Cities of the future
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Test Yourself 1
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Unit 4. ASEAN and Viet Nam
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Unit 5. Global warming
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Test Yourself 2
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Unit 6. Preserving our heritage
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Unit 7. Education for school-leavers
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Unit 8. Becoming independent
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Test Yourself 3
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Unit 9. Social issues
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Unit 10. The ecosystem
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Test Yourself 4
