色彩的物理特性所产生的视觉感受主要表现于不同的色彩会有()等感觉。
A.冷暖感
B.远近感
C.轻重感
D.高低感
E.左右感
F.上下感
参考答案:A, B, C
某项目有4种方案,各方案的投资、现金流量及有关评价指标见下表。若已知基准收益率ic=18%,则经比较最优方案为( )。
A.方案
B.投资额(万元)
C.IRR(%)
D.△IRR(%)
E.A
F.300
G.18
H.
I.B
J.400
K.22
L.△IRRB-A=18.0
M.C
N.450
O.16
P.△IRRC-B=6.5
Q.D
R.550
S.24
T.△IRRD-B=29
When reporting to the surgeon that a chest tube is malfunctioning, the nurse is ordered to reposition the tube and obtain a chest radiograph. The nurse should()
A. inform the surgeon this isn’t within her scope of practice.
B. report the surgeon to the Ethics Committee.
C. report the surgeon to the nursing supervisor.
D. follow the order as requested by the surgeon.