He exchanged his dollars pounds. [ ]
A. into
B. for
C. to
D. with
答案:B
一年轻病人, * * 内有许多个分界不清的结节,月经来潮时疼痛,提示()
A.急性 * * 炎
B.乳腺增生病
C.乳腺癌
D.乳管内 * * 状瘤
E.乳腺纤维腺瘤
食管痛好发部位是
A.颈部食管B.胸部上段食管C.胸部食管中段D.胸部食管下段E.腹部食管