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问题 单项选择题

男，55岁，咳嗽、气短1年，秋冬加重。HRCT示两肺散在分布低密度区大小约2～4mm，无壁，两上肺为著，最可能的诊断为（）

A.肺气肿

B.先天性肺囊肿

C.支气管囊肿

D.支气管扩张症

E.肺淋巴管腺肌瘤病

答案

参考答案：A

单项选择题

NAC’s (Network Access Control) role is to restrict network access to only compliant endpoints and (66) users. However, NAC is not a complete LAN (67) solution; additional proactive and (68) security measures must be implemented. Nevis is the first and only comprehensive LAN security solution that combines deep security processing of every packet at 10Gbps, ensuring a high level of security plus application availability and performance. Nevis integrates NAC as the first line of LAN security (69) . In addition to NAC, enterprises need to implement role-based network access control as well as critical proactive security measures—real-time, multilevel (70) inspection and microsecond threat containment.

（68）（）

A.constructive

B.reductive

C.reactive

D.productive
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单项选择题

水利水电工程包括（）等工程。

A.防洪治河、水力发电、农田水利、给水排水、航运

B.防洪治河、农田水利、给水排水、节水灌溉、航运

C.防洪治河、水力发电、农田水利、泄洪隧洞、航运

D.防洪治河、水力发电、农田水利、泄洪隧洞、航运
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