胃痛病名在唐宋以前中医文献中最常与何病混淆
A．心痛
B．胃痞
C．胁痛
D．胆胀
E．腹痛
参考答案：A
—_______?
—No, she's my sister.[ ]
A. Is that Jim
B. who' that
C. Is that your friend
等长双头螺柱的代号是（）
A.Q150B
B.Q128
C.Q254
