受处分的员工处分期满解除处分时，由受处分员工向有权机构承办部门提出（）。
参考答案：书面申请
He _____ stay at home and look after his mother yesterday. [ ]
A. needed to
B. must
C. have to
D. has to
膀胱内血块和膀胱肿瘤的最佳鉴别方法是
A．变换体位后团块可否移动
B．用彩色和频谱多普勒检测有无血流
C．区别二者内部回声的特点
D．A+B
E．A+C
