急慢性肺脓肿需与下列疾病鉴别，除外
A．细菌性肺炎B．肺囊肿合并感染C．支气管肺癌D．脓胸
参考答案：D
My school isn't far from here. It's only ______walk.[ ]
A. fifteen minutes
B. fifteen minutes'
C. fifteen minute's
D. fifteen minutes's
纠正代谢性酸中毒首选
A．11.2%乳酸钠
B．5%碳酸氢钠
C．3.6%三羟甲基氨基甲烷
D．0.9%氯化钠
E．5%葡萄糖溶液+氯化钾
