One and a half hours ____ all I can spare now. [ ]
A. is
B. are
C. was
D. were
答案:A
患者女,62岁,1个月前行左侧乳腺癌改良根治术。术后病理:左乳浸润性导管癌,腋淋巴结转移2/21。免疫组织化学:ER(++),PR(-),HER-2(+)。
最佳的辅助化学治疗方案为().
A.AC
B.AC→T
C.AC→TH
D.CMF
E.TC
哺乳动物所特有的结构是()
A.次生腭
B.乳腺
C.毛
D.槽生齿