【单选题】【消耗次数：1】
低蛋白质膳食每日蛋白质摄入量一般不超过
①
20
②
30
③
40
④
50
参考答案：
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相关题目
【单选题】
为改善膳食中蛋白质质量，在膳食中应有一定量的优质蛋白质，一般要求动物性蛋白质和大豆蛋白质应占膳食蛋白质总量的（? )
①
20-30%
②
40-50%
③
大于60%
④
50-60%
随机题目
【单选题】
阳光中的紫外线照射到皮肤上可生成( )。
①
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②
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③
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④
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