患者,男,61岁。劳累后即见低热已5年,近旬每日上午低热,伴头痛头晕。倦怠无力,舌淡薄白,脉细弱。证属
A.阴虚B.气虚C.血瘀D.阳虚E.肝郁
参考答案:B
红霉素是上述哪一种感染的首选药
A.克雷伯菌肺炎
B.产超广谱β内酰胺酶大肠埃希菌所致肺炎
C.军团菌肺炎
D.金黄色葡萄球菌肺炎
E.铜绿假单胞菌肺炎
Choosing a mobile phone for personal use is not an easy task because technology _____ so fast. [ ]
A. has changed
B. would change
C. changed
D. is changing