题目内容

语言的二层性

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Nylon line is better suited than manila for（）.

A. Towing alongside
B. Towing astern
C. Holding knots and splices
D. Resisting damage from chemical

如果纳税人既有应退税款又有欠缴税款的，税务机关可将应退税款和利息先抵扣欠缴税款，抵扣后有余额的，税务机关再退还给纳税人。

A. 正确
B. 错误

饱和光强

As customers deploy converged services across their business infrastructures， access routers must integrate security services and IP communications. Which router series is designed to achieve this level of integration？（）

A. Cisco 7000 Series WAN edge routers
B. Cisco 800 Series routers
Cisco Integrated Services Routers
D. Cisco Small Business Series router