患者男性,16岁,突感呼吸困难,大汗淋漓,胸片检查见图,最合理的诊断是()
A.右侧肺气肿
B.右从肺部肿块
C.气胸
D.肺大疱
E.纵隔气肿
参考答案:C
Tony ________ be in the classroom. I saw him in the library just now. [ ]
A. can't
B. mustn't
C. needn't
D. won't
公司董事会对总经理的任命要通过()的形式发布。
A.决定
B.报告
C.批复
D.请示