【判断题】寿命期不等的互斥方案比较,可采用最小公倍数计算净现值。
【多选题】寿命期不等的互斥方案比选,当几个互斥型方案的寿命不等时,不能直接进行比较。通常选择( )进行比较,以保证时间可比性。
【简答题】幼儿园教育活动,是教师以多种形式有目的、有计划地引导幼儿生动、活泼、 的教育过程。
【单选题】幼儿园的教育活动,是教师以多种形式有目的、有计划地引导幼儿生动、活泼、主动活动的教育过程。这说明的是()。
【单选题】(非谓语动词)Having stayed up late, I was too sleepy to keep my eyes _______ that night.
【单选题】Having stayed up late, I was too sleepy to keep my eyes _______ that night.
【单选题】He stayed up too late every night,______ to catch up with his classmates.
【单选题】Mary feels tired and sleepy, she wishes she ________ solate last night. A)didn’t stayup B) wouldn’t stay up C) hadn’t stayed up D) wounldn’t have stayed up
D.
wounldn’t have stayed up