单选题：It was in the United States that I made________ the of Profe

题目内容：

It was in the United States that I made________ the of Professor Jones. A．acknowledgement
B．acquaintance
C．recognition
D．association

参考答案：

答案解析：

献血者为A型血，经交叉配血试验。主侧不凝集而次侧凝集，受血者的血型应为（　　）

献血者为A型血，经交叉配血试验。主侧不凝集而次侧凝集，受血者的血型应为（　　）A．B型 B．AB型 C．A型 D．O型 E．A型或B型

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