A型患者移植AB型造血干细胞属于()。
A.主要ABO血型不合
B.次要ABO血型不合
C.主次要ABO血型均不合
D.ABO血型相合
E.ABO血型不同
参考答案:A
— Did you go to the open-air concert?
— No. We ____. but we spent too much time shopping. [ ]
A. could have gone
B. must have gone
C. can't have gone
D. shouldn't have gone
标志着汉大赋形成的作品是枚乘的()。
A.《七发》
B.《吊屈原赋》
C.《子虚赋》
D.《上林赋》