进行凝血因子检查使用的抗凝剂为（）
A.EDTA-Naz
B.草酸钠
C.枸橼酸钠
D.肝素钠
E.氟化钠+草酸钠
参考答案：C
The ________ look on her face suggested that she ________ it.[ ]
A. puzzling; hadn't expected
B. puzzled; hadn't expected
C. puzzling; wouldn't expect
D. puzzled; shouldn't expect
指令LOOPZ/LOOPE是结果为零或 【3】 发生转移的指令，而指令LOOPNZ/LOOPNE则是结果不为零或不相等发生转移的指令。
