如图所示，南极是世界上最冷的地方，常年平均气温是-25℃，下列说法中正确的是（　　）

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— There is little water left in the bottle, ______?                                         
— No, we need to buy some more before we run out of it.

— _______________ is he?

— He's Peter.       

某同学经常头晕，面色苍白，经医生诊断为贫血症，该同学应在饮食中多补充（  ）