某投资项目寿命为10年,建设期为3年。当基准折现率取10%时,净现值等于0。则该项目的动态投资回收期等于()年。
A.10
B.7
C.3
D.13
参考答案:D
The decision _____ giving lessons during vacations and weekends should be banned is ____ the Education Department of Anhui Province has made.
A.whether, which
B.why, that
C.that, the one
D.what, what
下列有关清创的原则,不正确的是()
A.清除伤口内血肿、异物
B.止血彻底
C.切除没有活力的组织
D.必须放置引流
E.缝合伤口时必须根据伤口情况和受伤时间