-What do you think of the standard of the new curriculum（课程）?  

-It is certain to have a great__________ upon the future of both teachers and students.  [ ]

A. result        

B. effect        

C. effort        

D. affect

男性，40岁。因室上速射频消融。股动脉加压包扎24小时后解除压迫，下床活动去厕所突然晕厥，经抢救无效死亡。首先考虑（）

A.室上速复发

B.室速

C.心包填塞

D.肺栓塞

E.高度房室传导阻滞