63._________A. basis onB. base onC. basing onD. b

【C17】______A．constructedB．sentC．anticipatedD．based

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回答（63）题 查看材料A.basis onB.base onC.basing onD.bas

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Bob died of a heart attack, ________ by his lifestyle.A taken onB brought onC depended o

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_________(65)A. depended B.supposedC.based D.prov

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100Base－TX中 所用的传输介质是______。A．3类双绞线B．5类双绞线C．1类屏蔽双绞

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A．basis onB．base onC．basing onD．based on

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下面关于快速以太网标准100BASE-TX的描述中 正确的是______。A.100BASE-TX采用3类UTP作为传输介质

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