问题
填空题
牛奶中含有丰富的钙，小童天天喝牛奶但体内仍缺钙，这可能是体内缺少______．
答案
无机盐中含有的钙磷是构成骨骼和牙齿的重要成分，但体内缺乏维生素D就会引起钙、磷代谢障碍，因此虽然牛奶中含有丰富的钙，如果体内缺少了维生素D，仍然会造成缺钙．
故答案为：维生素D
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牛奶中含有丰富的钙，小童天天喝牛奶但体内仍缺钙，这可能是体内缺少______．
无机盐中含有的钙磷是构成骨骼和牙齿的重要成分，但体内缺乏维生素D就会引起钙、磷代谢障碍，因此虽然牛奶中含有丰富的钙，如果体内缺少了维生素D，仍然会造成缺钙．
故答案为：维生素D
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| This weekend(周末), I want to 1 shopping in Limin Store. My running shoes and my pants are too 2 . So I want 3 a new pair of running shoes and 4 . Tomorrow is Christmas Day(圣诞节),I need 5  Christmas cards(卡片). And I would like to give my 6 some presents for Christmas. I want to buy a shirt for my father and a pet for my mother. My mother likes cats. I want to have a Christmas party(晚会) 7 , and I would like to ask a few friends to come to my house for the party. So I must buy 8 for the party. I want to buy two kilos of sandwiches, two 9 , a kilo of sweets(糖果), some drink, 10 a kilo of apples. I know they like Sichuan food, so I want to buy some hot food. | |||
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