-When did you last see your first teacher?

-On ______Thursday last July, at ______celebration of her 30th year of teaching. [ ]

A. a; the  

B. a; a    

C. \; the      

D. \; a

急性脑梗死患者，不适于溶栓治疗的情况是（）

A.发病8小时以内

B.颅脑CT出现低密度灶

C.患者无出血素质

D.出凝血时间正常

E.颅脑CT排除出血