问题
单项选择题 A1/A2型题
免疫成分含量最高的是（）
A.婴儿配方奶
B.初乳
C.过渡乳
D.成熟乳
E.晚乳
答案
参考答案：B
解析：初乳是指产后最初4天内分泌的乳汁，富含大量的微量元素和免疫物质。
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免疫成分含量最高的是（）
A.婴儿配方奶
B.初乳
C.过渡乳
D.成熟乳
E.晚乳
参考答案：B
解析：初乳是指产后最初4天内分泌的乳汁，富含大量的微量元素和免疫物质。
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