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问题 单项选择题

中国的古塔、比萨斜塔、埃菲尔铁塔都是世界建筑史上的杰作，它们不同的建筑风格体现了（）

A.建筑文化的多样性

B.建筑文化的社会性

C.建筑文化的趋同化倾向

D.建筑文化的积极作用

答案

参考答案：A

单项选择题

WLANs are increasingly popular because they enable cost-effective connections among people, applications and data that were not possible, or not cost-effective, in the past. For example, WLAN-based applications can enable fine-grained management of supply and distribution (51) to improve their efficienty and reduce (52) . WLANs can also enable entirely new business processes. To cite but one example, hospitals are using WLAN-enabled point-of-care applications to reduce errors and improve overall (53) care. WLAN management solutions provide a variety of other benefits that can be substantial but difficult to measure. For example, they can protect corporate data by preventing (54) through rogue access points. They help control salary costs, by allowing IT staffs to manage larger networks without adding staff. And they can improve overall network mananement by integrating with customers’ existing systems, such as OpenView and UniCenter. Fortunately, it isn’t necessary to measure these benefits to justify investing in WLAN management solutions, which can quickly pay for themselves simply by minimizing time-consuming (55) and administrative chores.

A. choresB. chainsC. changes D. links
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单项选择题

胆石症的手术适应证是，除了

A．胆总管结石

B．肝内胆管结石，非手术疗法无效

C．反复发作症状的胆囊结石

D．急性梗阻性化脓性胆管炎

E．胆囊隐性结石较大者
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