诊断子宫内膜癌，常用的检查方法有
A．B超
B．腹腔镜
C．官腔镜
D．分段诊刮
E．细胞学检查
参考答案：A,C,D,E
The process is primarily concerned with authorizing the project or, in a multiphase project, a project phase is called ______ .
A．develop project charter
B．develop prepliminary project scope statement
C．management review
D．phase-end review
硫酸钠的PH=5，主要清除（），用于清除卫生间恭桶。
A、尿碱
B、水泥
C、污渍
D、油漆
