类风湿关节炎引起的贫血
A.不经常发生,但很严重B.常常需要输血C.血清铁增加D.25%为缺铁性,铁剂治疗无效E.骨髓为再障表现
参考答案:D
We all hold ________ belief that those who have ________wonderful sense of humor are more popular.[ ]
A. the; a
B. /; /
C. the; /
D. a; the
小儿小叶性肺炎常见最严重的并发症是()
A.肺脓肿
B.脓胸
C.脓毒败血症
D.急性心力衰竭
E.支气管破坏导致的支气管扩张