下述不是肿瘤的主要特点的是
A．丧失正常细胞功能
B．不按正常规律生长
C．破坏原来器官功能
D．最终将发生转移
E．细胞过度增殖
参考答案：D
Edison was a clever boy, and ______ he was fourteen, he had learned advance mathematics by himself.
A．whenever
B．by the time
C．the moment
D．ever since
凭证式国债发行额度的分解与调拨由（）统一管理，资金清算行为二级分行。
A.省分行
B.市分行
C.总行
D.支行
