Honey is to a bee ______ milk is to a cow . [ ]
A. that
B. where
C. what
D. which
答案:C
极差、四分位差、标准差和方差都可以反映定量数据的离散趋势。()
关于消渴的治疗,以下取穴哪项是错误的:
A.上消可取中府、太渊
B.中消可取太溪、太冲
C.下消可取肾俞、胰俞
D.上、中、下消均可选用胰俞
E.口干舌燥加廉泉、承浆