下列各项中不属于苏轼对词的贡献的一项是（）
A、开拓了词的题材
B、增强了词的抒情性
C、开创了豪放词风
D、提高了对词的认识和评价
参考答案：B
—We didn't see him at the lecture.
—Neither did anybody else. He _______ it. [ ]
A. can't have attended
B. mustn't attend
C. may not have attended
D. couldn't attend
溶血引起DIC的机制不包括（）
A.缺氧
B.贫血
C.大量磷脂释放
D.免疫反应
E.大量ADP释放
