门脉高压症时声像图能见到门、体静脉循环间出现的吻合支可开放旁路是
A.脾肾吻合支
B.脐旁静脉
C.环绕食管的吻合支
D.A+B+C
E.门静脉肝动脉瘘
参考答案:D
248. --- How do you plan to spend this weekend?
--- I’d like to listen to the music _______ by Li Ming.
perform B. performing C. performed D. to perform
某工程项目投资方案一次性投资12000元,预计每年净现金流量4300元,项目寿命为 5年。若已知,(P/A,18%,5)=3.127,(P/A,20%,5)=2.991,(P/A,25%,5)= 2.689,则该方案的内部收益率为( )。
A.小于18%
B.18%~20%
C.20%~25%
D.大于25%