问题
填空题
无线接入网是指部分或全部采用( )传输介质连接交换机和用户终端。
答案
参考答案:无线电波
无线接入网是指部分或全部采用( )传输介质连接交换机和用户终端。
参考答案:无线电波
从所给的六个句子选出五个补全对话。(共5小题,每小1分)
B: This is Lynn speaking. 小题1:_____ A: This is Tom. B: Oh, Tom. Your voice is different on the phone. 小题2:________ A: Not bad. What about you? B:Very well. 小题3:_______ A: Yes, of course. I live with an American family now. 小题4:________ B: 小题5:______ Enjoy your stay there. |