与呃逆病变相关的脏腑有（）
A.脾
B.胃
C.肺
D.肝
E.肾
参考答案：B, C, D, E
脊柱裂最好发的部位是（）
A.骶尾部
B.后颅窝
C.颈部
D.腰部
E.鼻根部
I’m sorry. __________ for my illness, I would have come to give you a hand.
A．Were it not
B．If it hasn’t been for
C．Had it not been
D．Shouldn’t it be
