______ bag is white. [ ]
A. My brother
B. My brothers
C. My brother's
D. My brothers
答案:C
下列各组穴中,间距为2寸的是()
A.阳辅、阳交
B.上脘、下脘
C.上廉、下廉
D.内关、间室
E.天枢、大横