Though he was tired, _____ he still studied. [ ]
A. but
B. yet
C. 不填
D. although
答案:C
缺铁性贫血患者铁的变化顺序是
A.低血清铁-骨髓贮存铁减少-贫血B.低血清铁-贫血-骨髓贮存铁减少C.骨髓贮存铁减少-贫血-低血清铁D.骨髓贮存铁减少-低血清铁-贫血
1岁男孩,5天来发热、咳嗽,精神尚可,食欲不振。体检:体温38.5℃,呼吸50次/分,心率150次/分,轻度三凹征,两肺散在中细湿啰音,肝肋下2cm,胸片示两肺散在小点片状阴影。
1岁男孩,最可能的诊断为()
A.毛细支气管炎
B.腺病毒肺炎
C.肺炎支原体肺炎
D.金黄色葡萄球菌肺炎
E.肺炎链球菌肺炎