下列不属于IP电话网关的基本功能的是（）

听力原文：W: What do you plan to do after you finish your university work?M: I've got a friend in Germany who says that he can get me a job with a large multinational company here in Shanghai.W: So you'll work here?M: Well, I can earn a very good salary and get good experience.W: Would you leave for a foreign country if they ask you to go?M: It depends what they want and how long they want me to stay away from home.W: Did you know that some people say that both foreign companies and foreign countries take the most talented people away from their homes in developing countries on purpose?M: Why would they do that?W: Highly educated people often make large contributions to both a country's economy and society.M: So it would be to the advantages of a country to allow skilled immigrants in?W: Yes, of course it would.M: But then why don't developed countries let in more skilled workers?W: Many reasons, really. For one, people who live in a developed country don't always like to see high-wage jobs go to people who have just arrived form. another nation. And developing countries don't want highly skilled workers to leave.M: In any event, it doesn't matter to me. I'd leave Shanghai for a while, but I wouldn't want to move to another country permanently.W: I can understand that(23)A．Go to Germany to live with his friend.B．Return to Germany for further study.C．Set up a company in Shanghai.D．Find a job in a large multinational company in Shanghai.

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H.Go
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B．Return
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C．Set
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D．Find
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某人的电子邮箱为ncre@csai.cn，对于“ncre”和“csai.cn”的正确理解是（）

A．ncre是用户名，csai.cn是域名
B．ncre是用户名，csai.cn是计算机名
C．ncre是服务器名，csai.cn是域名
D．ncre是服务器名，csai.cn是计算机名

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