A.食盐加碘 B.食盐加铁 C.面粉加碘 D.面粉加铁
A.面粉 B.黄豆 C.香蕉 D.黄瓜
A.96%，92%，98% B.98%，95%，92% C.98%，92%，95% D.95%，98%，92%
A.锌 B.钙 C.碘 D.钠 E.硒
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