下列饮料中,不属于溶液的是( )
A:可口可乐
B:雪碧
C:酸奶
D:啤酒
如图是“探究平面镜成像特点”的实验装置.
—Nero is crying. Do you know _______ she's so upset?
—Well, she lost her pet cat which was just like her family member.
已知函数f(x)对任意x∈R都有fx+4-fx=2f2,若y=fx-1的图象关于直线x=1对称,且f(1)=2,则f(2011)=( )
下表是中国主要工农业产品的产量表,对表格中数据的理解,不准确的是