题目内容

试简述防火墙的特性和作用。

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BGP/MPLS VPN的主要安全举措是什么?

肝气郁结型不孕症的最佳选方为()

A. 苍附导痰汤
B. 少腹逐瘀汤
C. 二者都可
D. 二者都不可

Fair and(1) competition in government procurement around the world is good business and good public policy. Competitive pricing, product(2)and performanceimprovements result from competitive practices and help ensure that government authoritiesget the best (3)for the public they serve.空白(2)处填()

A. recession
B. innovation
C. crisis
D. ability

慢性粒细胞白血病化疗时,首选药物为()。

A. 羟基脲
B. 环磷酰胺
C. 白消安
D. 氮芥
E. 甲氨蝶呤

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