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维生素A的生理功能不包括()

单选题
2021-12-30 22:19
A、维持皮肤黏膜层的完整性
B、构成视觉细胞内的感光物质
C、防治佝偻病
D、促进生长发育和维护生殖功能
E、维持和促进免疫功能
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正确答案
C

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