___ he said was quite surprising.
A．That
B．What
C．Why
D．How
答案：B
下列哪项不是血胸的分类()
A.自发性血胸
B.进行性血胸
C.凝固性血胸
D.非进行性血胸
E.机化血胸
《劳动争议调解仲裁法》适用于哪些劳动争议？
