A．Birth certification.B．ID card.C．Proof of address.D．Work site.
A. Birth certification.
B. ID card.
C. Proof of address.
D. Work site.
查看答案
The real detective lives in "an unpleasant moral twilight" because ______.
A. he is an expensive public servant
B. he must always behave with absolute legality
C. he is obliged to break the law in order to preserve it
D. he feels himself to be cut off from the rest of the World
Which of the following statements is not mentioned in this passage？
A. Both journal articles and conference papers are written in a brief and informative way.
B. All the theses or dissertations and conference papers are reported in spoken languages.
C. Both the journal articles and conference papers are influenced greatly by the intended receivers.
D. The various formats of research reports may be presented in different ways
某局域网用一台路由器互联4个子网，各子网的网络地址分别是193.22.56.0/26、193.22.56.64/26、 193.22.56.128/26、193.22.56.192/26。使用RIPv1路由协议配置参与RIP协议的网络地址，其正确的配置是(25)。
A. network 193.22.56.0255.255.255.192
B. network 193.22.56.00.0.0.255
C. network 193.22.56.0255.255.255.192 network 193.22.56.64255.255.255.192 network 193.22.56.128 255.255.255.192 network193.22.56.192255.255.255.192
D. network 193.22.56.0
某软件企业2004年初计划投资1000万人民币开发一套中间件产品，预计从2005年开始，年实现产品销售收入1500万元，年市场销售成本1000万元。该产品的系统分析员张工根据财务总监提供的贴现率，制作了如表5-1所示的产品销售现金流量表。根据表中的数据，该产品的动态投资回收期是(66)年，投资收益率是(67)。
A. 1
B. 2
C. 2.27
D. 2.73
微信支付 
支付宝支付