供应大脑半球前3／4的是哪条动脉（）
A.大脑后动脉
B.后交通动脉
C.椎动脉
D.大脑前动脉
E.前交通动脉
参考答案：D
绘制变压器一个储油罐滤油循环系统图，或二个储油罐的单方向滤油系统图（只选一种绘制），并标明每一个单元名称。
An analyst does research about price value of a basis point (PVBP). With respect to a coupon bond, the duration is 8.61, and the current price of the bond is $101.35. The price value of a basis point (PVBP) of the bond is closest to:（）
A. $0.0861
B. $0.0873
C. $0.1014
