电信网是由终端（电信端点）、（）和传输链路相互有机地连接起来，以实现在两个或更多的规 发布时间：2020-01-20 06:13 │ 来源：www.tikuol.com 题型：填空题 问题： 电信网是由终端（电信端点）、（）和传输链路相互有机地连接起来，以实现在两个或更多的规定电信端点之间提供连接或非连接传输的通信体系，是信息化社会的基础设施。
题型：填空题 由下列命题构成的复合命题中，若“p或q”为真，“p且q”为假，“非p”为真，则其中正确的是______．①p：5是偶数，q：2是奇数②p：5+2=6，q：6＞2③p：a∈{a，b}，q：{a}⊆{a，b}④p：Q⊆R，q：N=Z． 查看答案
题型：填空题 情景对话.(A=Li Yan, M=Mary) A: Hello, Mary! Nice to meet you! M: ___1____ A: ___2____ M: Yes, but only a little. A: I think your Chinese is quite good. M: Thank you. But I'm not good at writing it. A: Don't worry. It takes time. ___3____ M: Yes, I do. They are very friendly to me. A: ___4_____ M: Many things, I do my homework, play games and draw pictures. A: ___5_____M: Tennis. A: I see. Let's play tennis together. M: OK. Let's go. A. Do you have many friends in your class? B. What do you do after class? C. What's your favourite sport? D. Nice to meet you, too. E. Can you speak Chinese? 查看答案