A:糖类
B:脂肪
C:蛋白质
D:维生素
下列能源中,不是来源于太阳能的是( )
Sarah: Mum, where is my skirt?
Mum: Is it on your bed,
Sarah: No, it isn't.It's orange.It's your dress.
Mum: Is it red?
Sarah: Yes, it is.
Mum: Is it on the chair?
Sarah: Yes.Thanks.Mum.
某大米包装袋上标注着“净含量10kg±150g”,小华从商店买了2袋大米,这两袋大米相差的克数不可能是( )
下列说法中符合生活实际的是( )