选出应填入下面一段英语中______内的正确答案。
Astute service providers realize that the continued support oflegacy X.25 and asynchronous network elements using separate operations network is cost(1). For example, the maintenance of multiple networks can require additional staff. Often, this staff must be trained on multiple vendor technologies, sometimes requiring parallel groups specializing in each(2). Hence, additional maintenance procedures must be maintained and administrative records are(3). The duplication oftransport facilities to carry(4)network traffic is an inefficient use of resources. And not surprisingly, more technologies installed in a central office mean the necessity for more physical space, and an increase in power connections and power consumption. Migration ofthese(5)network elements to IP-based DCns is alogical strategy.
B、在文档关闭状态下执行该文件重命名操作
C、在所有文档关闭状态下执行该文件重命名操作
D、在Microsoft Office Word软件关闭状态下执行该文件重命名操作
A.A.Windows xp
B.B.unix
C.C.linux
D.D.microsoft office
在Office中,关于链接和嵌入的说法错误的是()。
A链接指的是将源文档中的对象复制到目标文档中,并保持与源文档的直接连接
B链接的对象比嵌入的对象占用的存储空间少
C嵌入的对象与它嵌入程序之间没有联系
D嵌入操作是复制对象,并且复制的对象不保持与源文档的联系
A.Your stay at Dalton’s B& B should be pleasant one.If you are unsatisfied, you’ll receive a coupon for a free dinner
B.We offer a free catalogue of office furniture that saves money and shopping time for readers
C.I have your custom-printed business cards ready
D.Our safety policy forbids us from renting power equipment to anyone who cannot demonstrate proficiency in its use