X连锁无丙种球蛋白血症是属于（）。
A.T细胞缺陷
B.联合免疫缺陷
C.吞噬细胞缺陷
D.补体系统缺陷
E.B细胞缺陷病
参考答案：E
Lady Gaga has put off her concerts because of the difficulties _____ by the ongoing strikes.[ ]
A. causing
B. to cause
C. to be caused
D. caused
阳和汤适用于脱疽
A．寒湿阻络
B．血脉瘀阻
C．湿热毒盛
D．热毒伤阴
E．气血两虚
