主机域名的正确书写格式是( )。 A: Mail、tjnu、edu、cn B: Mail,tjnu,edu,cn C: Mail tjnu edu cn D: Mail.tjnu.edu.cn

_____ the mouse, and the mail will soon be sent to your friend.

对于域名“mail.fmmu.edu.cn”，表示主机名的是（ ）。 A: mail B: fmmu C: edu D: cn

E—mail地址PPP@yahoo.com.cn中，( )表示用户名。 A: yahococn B: PPP C: com D: cn

下列域名中哪些属于顶级域名 ( )。 A: .com B: .gov C: .cn D: .mail

某用户的E- mail地址是Lu-sp@online. sh. cn，那么它发送电子邮件的服务器是（）。 A:  online. sh. cn B:  Internet C:  Lu-sp D:  Iwh. com. cn

刚开始公众对于李子柒在国外受欢迎感到惊讶，很快他们就明白了。 A: The public is surprised at Li Ziqi's popularity overseas at first and they soon get it. B: The public is surprised at Li Ziqi's popularity overseas at first and they soon got it. C: The public was surprised at Li Ziqi's popularity overseas at first and they soon got it. D: The public had been surprised at Li Ziqi's popularity overseas at first and they soon got it.

Public tju net cn是一个主机域名的正确写法

Who does “Liu” refer to in the Chinese idiom “Yan’s tendons and Liu’s bones”? A: Liu Zongyuan. B: Liu Haisu. C: Liu Gongquan. D: Liu Yuxi.

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