患者男性,37岁,因“发热、右下肢红、肿、热、痛”来诊。诊断:丹毒。抗感染药物应首选()
A.红霉素
B.克林霉素
C.青霉素
D.万古霉素
E.甲硝唑
参考答案:C
With more forests being destroyed, huge quantities of good earth _______ each year.
A.is washing away
B.is being washed away
C.are washing away
D.are being washed away
车站道岔的编号,从列车到达车站的方向开始,()顺序编号,上行为双号,下行为单号。
A.由中向里
B.由中向外
C.由里向外
D.由外向里