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._____

在我国慢性胰腺炎的主要原因是（）

A.慢性酒精中毒

B.胆石症

C.遗传因素

D.甲状旁腺功能亢进

E.高脂血症