以下哪种食物中含有维生素B12()A、马铃薯B、核桃C、牛肉D、猪肝E、豆腐乳
以下哪种食物中含有维生素B12()
- A、马铃薯
- B、核桃
- C、牛肉
- D、猪肝
- E、豆腐乳
相关考题:
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