How much vitamin D does a healthy person need? Nutrition experts advised the American government to set the current recommendations in 1997.It set the daily amount at two hundred international units from birth through age fifty. It set the level at four hundred international units through age seventy, and six hundred for age seventy-one and over. “But some groups say these amounts are not high enough”.
1.What will happen to the bone if a woman suffers from osteoporosis? (No more than 4 words)
________________________________________________________________________ 专题二 │ 新题预测
2.How is vitamin D produced in our body? (No more than 11 words)
________________________________________________________________________
3.List three groups who are likely to have less vitamin D? (No more than 11 words)
________________________________________________________________________
4.What conclusion can we draw about the daily intake of vitamin D from the last paragraph? (No more than 10 words)
________________________________________________________________________ 专题二 │ 新题预测
【解析】
1.It will thin./It will become thinner. 根据第一段Osteoporosis is the thinning of bone, a common problem as people, especially women, get older.可判断作答。
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