问题
选择题
I'd like to go there by bus. _____ you? [ ]
A. How do
B. What like
C. What about
D. How’s
答案
答案：C
搜题请搜索小程序“爱下问搜题”
I'd like to go there by bus. _____ you? [ ]
A. How do
B. What like
C. What about
D. How’s
答案：C
计算并填写下表。
| IP地址 | 142.16.2.21 |
| 子网掩码 | 255.255.255.0 |
| 地划类别 | ______ |
| 网络地址 | ______ |
| 受限广播地址 | ______ |
| 直接广播地址 | ______ |
| 子网的第一个可用IP地址 | ______ |