在TCP/IP网络管理中，MIB数据库中的信息是由（）来收集的。

听力原文：M: Can you believe it? Jessie told her boss he was wrong to have fired his marketing director.W: Yeah, but you know Jessie. If she has something in mind, everyone will know about it.Q: What does the woman mean?(19)A．Jessie always says what she thinks.B．Jessie seems to have a lot on her mind.C．Jessie is wrong to find fault with her boss.D．Jessie should know the marketing director better.

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听力原文：M: Hello. May I help you?W: Hello. Is this the fight place for me to register to study foreign languages?M: Yes, it is. May I have your name please?W: Julia. My family name is Smith.M: Julia Smith. Okay. Do you have a telephone number?W: Yeah, 9083476.M: Thank you. Now, which language would you like to learn? We offer French, Italian, Cantonese, Mandarin, Spanish, Portuguese.W: Ah. I'd like to learn Spanish, please.M: Okay. Our classes are conducted in lots of different places. We have classrooms in the city and here in this building.W: What's this building called?M: This is Building A.W: I work near here, so I'd like to study in Building A.M: What time do you want to come to lessons? They go on for three hours, and they start at 10:00 a.m., 4:00 p.m. and 6:00 p.m..W: I wish I could come to the daytime lessons, but I can't, so 6:00 p.m. please.M: That's our most popular time, of course. Umrn, have you ever studied Spanish before?W: No, I haven't.M: We describe our classes by level and number. Your class is called 'Elementary One.'W: Okay. When will class start?M: Elementary One begins, ah, just a minute, ah, it begins on August 10.W: Great!(20)A．In a classroom.B．Over the telephone.C．At the information desk of a university.D．At the registrar's office of a university.

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