A类IP地址用几位二进制数表示网络地址A.7 B.14 C.21 D.以上都不对 发布时间:2017-06-23 02:23 │ 来源:www.tikuol.com 题型:单项选择题 问题: A类IP地址用几位二进制数表示网络地址A.7B.14C.21D.以上都不对
题型:单项选择题 — What field will your son go into after graduation from Nanjing University?— I'm not quite certain, but he ________ a good teacher of English. [ ]A. promises B. becomesC. makes D. proves 查看答案