【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: Good morning, Ms. Smith. Welcome to today's show. W: Thank you. M: Today we're going to talk about the living of foreign students in our country. You know. for many international students, com...
【单选题】听力原文:M: Good morning, Ms. Smith. Welcome to today's show. W: Thank you. M: Today we're going to talk about the living of foreign students in our country. You know, for many international students, com...