伤寒患者皮疹开始出现的时间是（）
A.热退以后
B.病程的第1天
C.病程的第3天
D.病程的第7天
E.日期不定
参考答案：D
Having arrived at the station, _____.
A．it was found that the train had left
B．the train had left
C．the train was found left
D．he found that the train had left
慢性肺心病患者感染后出现食欲减退、双下肢水肿及尿量减少症状，治疗中下列哪项措施应慎重使用
A．强心利尿药
B．控制感染
C．氧疗
D．支气管解痉药
E．血管扩张药
