就公平与效率而言,当前阶段应该( )。
A.效率优先B.公平第一C.兼顾公平与效率D.注重社会公平又不牺牲效率
参考答案:D
The pair of new shoes are very nice, could I __________?[ ]
A. try on
B. try out them
C. try on them
D. try them on
膀胱癌在病理上最重要的是
A.组织类型B.分化程度C.病变部位D.浸润深度E.生长方式