61._________A.. shapeB. orderC. routeD. place

London to others because of______ .A．its shapeB．its structureC．its colorD．its building mat

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_________(61)A.lines B.waysC.routes D.channels

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Paragraph 5______A. Route 66 in American Music.B.

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Paragraph 6______A. Route 66 in American Music.B.

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Paragraph 7______A. Route 66 in American Music.B.

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61._________A.work B.taskC.job D.place

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以下协议中支持可变长子网掩码(VLSM)和路由汇聚功能(Route Summarization)的是______。A.IGRPB.OS

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