项目范围定义时经常使用的工具是()
A.工作分解结构
B.需求分析
C.可行性研究
D.网络图
参考答案:A
—Has the doctor _______the old woman of her illness?
—No, he ______ her but didn’t ________ her.
A.cured; treated; treat
B.cured; cured; treat
C.treated ; treated; cure
D.cured ; treated; cure
汽轮机能维持空负荷运行,就能在甩负荷后维持额定转速。