临床输血中，非溶血性输血发热反应多考虑与哪种因素有关（）
A.HLA抗体
B.CH50增高
C.C3增高
D.C4增高
E.IgA增高
参考答案：A
Many young people _____ becoming pop stars. [ ]
A. dream
B. dream of
C. hope
D. hope to
3. He thinks I have spoken ill of him, ____ I’m always speaking well of him.
A．when
B．and
C．while
D．on the contrary
