下列各项除哪项外,通常均属于项目管理计划内容中的项目基准?()
A.技术
B.范围
C.时间
D.成本
参考答案:A
No sooner had he arrived than he _____ to complain about the terrible weather. [ ]
A. began
B. would begin
C. had begun
D. begins
货币能够执行价值尺度的职能,因为货币:
A.有特殊的使用价值
B.是商品交换的媒介
C.自身也有价值
D.可作为支付手段