问题
选择题
____has already been pointed out, grammar is nota set of dead rules. [ ]
A. As
B. It
C. That
D. Which
答案
答案：A
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____has already been pointed out, grammar is nota set of dead rules. [ ]
A. As
B. It
C. That
D. Which
答案：A
以下提供若干个案例，每个案例下设若干个考题。请根据各考题题干所提供的信息，在每题下面的A、B、C、D、E五个备选答案中选择一个最佳答案。
| 男，33岁，干活时突发呼吸困难，右胸痛，发绀，大汗，既往有肺结核史 |
该患者最可能的诊断是
A．结核性胸膜炎
B．大叶性肺炎
C．支气管哮喘
D．自发性气胸
E．急性左心衰竭