单项选择题 You are caring for a 68-year-oldmale who has copious amounts of fluid in the left pleural cavity due to acute pleurisy. When you exam him as he sitsup in  bed (trunk upright), where wouldthe fluid tend to accumulate? A、   costodiaphragmaticrecess B、costomediastinalrecess C、  cupola D、  hilarreflection E、 middlemediastinum

单项选择题 红霉素的抗菌谱不包括（ ）A. 革兰阳性菌B. 铜绿假单胞菌C. 军团菌D. 支原体E放线菌

多项选择题 属于总结报告的内容是哪几个选项？ A、存在的问题和下一步意见。 B、基本情况。 C、经验和教训。 D、成绩和缺点。