【单选题】听力原文:M: What are you looking for? W: We're studying the basic structure of molecules. M: Just any molecules? There are quite a few of them! W: Yes, far too many. We're only working with certain molecu...
【单选题】听力原文:M: So, you're an architect. W: Yes. M: Do you work for a public or a private organization, or you're self-employed, that is working on you own? W: I'm working for a private designing construction...
【单选题】听力原文:M: So, you're an architect. W: Yes. M: Do you work for a public or a private organization, or you're self-employed, that is working on you own? W: I'm working for a private designing construction...