看图完成短文，每空词数不限。

     Look at the picture! This is my school. There are offices, classrooms, a lab, a library, a dining hall

and a gym in it. The classrooms are in front of the   1  . The offices are   2  the classrooms. The   3   is

next to the classrooms, too. The dining hall is   4   the offices. And it is   5   the gym.

1._____ 2._____ 3._____ 4._____ 5._____

氟烷麻醉引起（）

A.肝动脉和门静脉血流减少

B.肝动脉和门静脉血流增加

C.肝动脉血流增加和门静脉血流减少

D.肝动脉血流减少和门静脉血流增加

E.肝血流保持基本稳定