听力原文： (W: Wang Q: Qian B: Black) W: Please allow me to introduce you to Mr. Qian, President of our corporation. This is Mr. Black, our American friend. Q: How do you do, Mr. Qian. B: How do your do, Mr. Black. Q: I'm very glad you can come. B: It's very kind of you to have invited me. I really do not deserve your kindness. Q: We appreciate your close cooperation in the recent transaction and the trade between our two countries. B: It's the result of our joint efforts. The purpose of my mission is to promote trade between our two countries. Q: Please sit down and have a cigarette. B: Excellent cigarette ! Q: I'm glad you like it. You are a veteran smoker, I guess. B: Aha! (coughing)... I used to be. They say I smoked like a chimney, but now I'm trying to cut down. Q: As a heavy smoker, it's no easy matter to give up smoking. I tried several times and several times. I failed. (laughing) B: There's no harm having one cigarette or two once in a while, but heavy smoking is certainly bad for health. W: Now, dinner is ready. To the table, please. Q: Yes, please. B: Please. Look at the form. below. You will hear three men introducing each other before dinner. Mr. Black comes from (5)______ The purpose of the mission is to (6)______ between the two countries. Mr. Black used to be a (7) ______ Mr. Qian is also a (8)______