【单选题】路由器工作在TCP/IP模型中的哪一层()
【简答题】阅读理解 Jack went to a barber’ shop and had hair cut, but when he came out, he was not happy with the result. When his friend Bob saw him, he laughed and said, “What has happened to your hair, jack?” Jac...
【单选题】路由器工作在TCP/IP模型的哪一层?()
【简答题】Write on a note of about 50-60 words based on the following situation: Your friend, Jack, has broken his leg when playing basketball and has been in hospital. Write a note to comfort him. Do not sign ...
【简答题】When a close friend dies, it often forces you to consider your own death. The more you have in common with the friend, the more his death will make you wonder about your own. Sometimes you will natura...
【简答题】Directions: Suppose that Jack,a friend of yours,has invited you to his birthday party,but you cannot go for some reasons.Write a letter to make an apology to him. 1)Give your suggestions,and explain t...
【单选题】路由器工作在 TCP/IP 模型中的哪一层( )。