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We've already known that human population can get taller over time but the new study shows just how extreme this growth ---- can be. Economic storyian timidly had a university access in Australian national university. Exam the tight changes in the relatively1 short time period and small geographic2 region. His data sample consisted of adult male around 21 years old who were born in 15 EU countries between 1856 and 1980's the study was published in the Oxford3 economic papers. Over the century and the third average had increased by about 11 centimeters a good half a head. But why? according to H improvement in sanitation4 and housing reduced and child diseases. The result is healthier and much taller children. Other factors include increased health, education and social health program. Smaller family which ensured that each child had more to eat may have played the role as well. In general its population is a marker for better health. So congratulation to EU. Keep live in large
1 relatively | |
adv.比较...地,相对地 | |
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2 geographic | |
adj.地理学的,地理的 | |
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3 Oxford | |
n.牛津(英国城市) | |
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4 sanitation | |
n.公共卫生,环境卫生,卫生设备 | |
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