Where _____ are you going to visit there? [ ]
A. other
B. another
C. else
D. also
答案:C
肝胆疾病()
A.右上腹痛
B.右下腹痛
C.脐周痛
D.左下腹痛
E.弥漫性痛
脉冲调制器由电源部分、能量存储部分和()三部分组成。