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[判断题]
Blair is a solid Apple fan.()
提问人:网友lixin080108
发布时间:2022-01-07
A.Because he wants to make a show.
B.Because he wants to attract attention,
C.Because ties are costly,
D.Because he wants to live in a casual w&y.
B.J1,J3,J2
C.J2,J1,J3
D.J2,J3,J1
B.在酸性环境中易于吸收
C.吸收部位主要在小肠上段
D.可在肠上皮细胞以铁蛋白形式储存
E.食物中的铁绝大部分是Fe 2+
B.反自反性、反对称性
C.反自反性、反对称性、传递性
D.自反性
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