【名词&注释】
广域网、覆盖率(coverage)、不存在(there is no)、接入网(access network)、表达式、不一致(inconsistency)、电视网(tv network)、城域网(man)、越来越(more and more)
[单选题]Which of the following statements about internet is (are) correct?Ⅰ.Each host in internet only has a IP address.
A. Ⅱ.It is possible to have multiple names corresponding to the same IP address.
B. Ⅲ.In users' points, Internet means a virtual network.
C. None
D. Ⅰ and Ⅱ
E. Ⅱ and Ⅲ
F. All