引起血小板输注无效最常见的抗体是（）。
A.ABO
B.Rh
C.Ig
D.HLA
E.HPA
参考答案：D
______ is often the case is that Tom doesn’t study hard and fails in passing an exam.
A．That
B．As
C．It
D．What
合并肝癌
A．A/G比例倒置B．有腹腔积液C．呕咖啡色液D．全血细胞减少E．肝进行性肿大，肝硬如石
