位于三角窝前1/3的下部,即三角窝2区的耳穴是().
A.内生殖器
B.神门
C.盆腔
D.胰胆
E.肝
参考答案:A
_______these coins are of different shapes, sizes and colors, they all date back to a long, long time ago.
A.Since
B.Unless
C.Once
D.While
请问机油滤芯器多久换一次?