白朴的代表作是()。
A.《望江亭》
B.《梧桐雨》
C.《黄粱梦》
D.《王粲登楼》
参考答案:B
肝脏、胆道系统的CT图像的显示推荐选用腹窗,其窗宽和窗位是
A.W150~250,C40~50
B.W200~350,C30~50
C.W200~250,C30~35
D.W200~250,C20~30
E.W1300~1500,C350~500
Which of the following measures of interest rate risk is most appropriate for bonds with prepayment option()
A. Effective duration.
B. Modified duration.
C. Macaulay duration.