【A3/A4题型】患儿,男性,10岁,高热、寒战2d入院,体温39℃,诉右大腿疼痛难忍,拒绝做任何活动和检查。血白细胞计数为21×109/L。怀疑为急性化脓性骨髓炎。若已确定诊断,最关键的治疗方法是:
A. 卧床休息
B. 大量广谱抗生素
C. 肢体制动
D. 输液、注意水电解质平衡
E. 大量广谱抗生素+钻孔引流
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老牛为什么不开心?
A. it has been cheated
B. it was dumped
C. it is played
D. it was fired
I just want some () and quiet
PDM指的是( )。
A. 脉幅调制
B. 脉宽调制
C. 脉位调制
D. 脉频调制