【多选题】下面关于多层反馈队列( MLFQ )调度的描述,哪些是可能的(正确的)?
D.
MLFQ 使用了轮转( round robin )
E.
MLFQ 有时候会忘记它已经了解到的有关作业的信息
【单选题】My sister _____ as a secretary in her company for three years and now she _____ to the manager of the sales department.
A.
served; has been promoted
B.
had served; has been promoted
C.
has served; has promoted
D.
was serving; has promoted
【单选题】在血琼脂平板上金黄色葡萄球菌的菌落是().
【单选题】金黄色葡萄球菌在血平板上的菌落特征是 -- ?
【单选题】在血琼脂平板上,金黄色葡萄球菌可促进流感嗜血杆菌的生长,是因为金黄色葡萄球菌( )
【多选题】2018年(第五批)世界灌溉工程遗产名录,我国的( )4个项目全部申报成功。