原发性免疫缺陷病的共同临床表现是
A.特殊面容B.反复感染C.生长发育明显落后D.不同程度智力低下E.易发生神经母细胞瘤
参考答案:B
Eric fell ill suddenly but was so foolish. He didn't even have ________ common sense to send for ______ doctor.
A.the; the
B.a; the
C.the; a
D.a; a
脑脓肿壁短T2低信号最可能是()
A.含铁血黄素沉着
B.胶原结构
C.血管影
D.钙化
E.铁沉积