临床称Rh阴性,是指红细胞不含()
A.d抗原
B.E抗原
C.D抗原
D.e抗原
E.C抗原
参考答案:C
解析:临床称Rh阴性,是指红细胞不含D抗原。
What does the man want [A] Some stamps. [B] Sixteen new books. [C] Thirty-two discs.
我国目前采用扣除法来消除双重征税。()