皮皮学，免费搜题
登录
搜题
【单选题】
关于广播信道,以下哪一项描述是错误的。A.
广播信道上连接三个以上结点
B.
可以用两条广播信道实现三个以上终端之间的全双工通信
C.
一般由同轴电缆构成广播信道
D.
经过广播信道传输的帧中需要携带地址信息
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】用适当的连接词完成下列短文,然后朗读或背诵,在语境中体会名词性从句连接词的用法。 I am going to tell you __ 1 __ happened in my restaurant today. This afternoon a poorly-dressed gentleman came into my restaurant. Nobody knew __ 2 __ he was. ...
【简答题】Rewrite the following, using be-subjunctive: She insists on his taking his vacation now. She insists that he ______ his vacation now.
【简答题】Read the following short passage and choose the best answer. There was a large degree of male chauvinism in ancient Chinese society. Even the earliest Chinese poetry book (Book of Odes) tended to favo...
【单选题】听力原文：Something urgent's come up at work and I won't be able to make it today could we reschedule for later in the week? (A) Sure, what day works best for you? (B) I'm pretty sure the bus schedule is p...
A.
B.
【单选题】Read the following paragraph from the section "His Talent Was Obvious." Today, Abhimanyu goes to school two days a week. He spends his free time practicing chess. He practices about eight hours a day....
A.
why Abhimanyu plays chess with people who are older than him
B.
why Abhimanyu wants to be an international chess master
C.
how Abhimanyu is able to get better at playing chess
D.
how Abhimanyu's coaches think he is a great chess player
相关题目：