听力原文：W: That's a had cough. M: Yes, it's because I smoke. W: How many cigarettes do you smoke? M: Thirty a day. W: Smoking is bad for your health. M: I know. W: Give it up. M: It's easy to say. But how? W: Count one, two, three until ten before you have a cigarette. M: That's a goad idea. W: Don't smoke after dinner. M: But I like a cigarette after dinner. W: Eat an apple or have a cup of tea instead. M: It's no good. It's difficult to give it up. How many cigarettes does the man smoke every week?