Match the key words with the definitions below. Then, find them in the article to read them in context. The paragraph numbers will help you.
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century
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due to
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nutrition
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on average
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shot up
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trend
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1. grew taller very quickly (para 1)
2. used for talking about what is usually true, although it may not be true in every situation (para 1)
3. one hundred years (para 3)
4. a slow change that produces a particular result (para 5)
5. because of (para 5)
6. the process by which we receive food and the way it influences our health (para 5)
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environment
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influence
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life
expectancy
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reversed
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sources
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welfare
state
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7. effect (para 5)
8. the length of time that someone is likely to live (para 6)
9. things or people that give you the information you need (para 7)
10. a system in which a country looks after the people who live there by giving them money and social support (para 8)
11. gone in the opposite direction (para 11)
12. the place in which people live and work, including all the physical conditions that affect them (para 12)
