5. In many instances, a language _______ than the one first learned is an essential to communicate in the cosmopolitan world into whose membership our students should aspire.
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6. It makes it unlikely that a good design would be a simple “distributional requirement” scheme that clumps courses _____humanities, social sciences, life sciences, and physical sciences.
宿舍网属于（ ）
A. 广域网
B. 局域网
C. 城域网
D. 个人网
以下哪个选项不属于无线网络的优点（ ）
A. 时尚简约
B. 费用低
C. 布线复杂
D. 可共享上网
无线网络拓扑结构主要为（ ）
A. 树型结构
B. 星型结构
C. 总线结构
D. 混合型结构
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