【单选题】听力原文:W: Do I need to put more stamps on this letter? It has to go to Los Angeles. M: No, if it's sent by ordinary mail. Express mail is faster, but more expensive. W: Well, I'd like it to go as soon a...
【单选题】听力原文:W: Do I need to take some medicine? M: Yes. And I strongly advise you to go on a low-fat diet. W: Do you really think that's important? M: Definitely. If you don't, you might have a heart attack ...