下列属于癌前病变的是（）
A.阴茎尖锐湿疣
B.阴茎Bowen病
C.阴茎梭形细胞癌
D. * * 腺病
E. * * 葡萄状肉瘤
参考答案：B
— Who broke the toy car?
— It ______ Alex. He likes to throw things here and there. [ ]
A. may be
B. must be
C. can't be
D. is
肾虚型喘证首选方
A．真武汤合五苓散B．平喘固本汤C．参附汤D．生脉散E．金匮肾气丸
