听力原文：Man: Hello! Woman: May I speak to Mr. Golden, please? Man: Speaking. Woman: Good morning, Mr. Golden. This is Mary Susan from DHA Industries. Our company is going to buy 50 R51 model laptops. Man: 415 MG on hard drive models or 415ME optional on base models? Woman: Have you got any suggestions? Man: The kind of 415 MG on hard drive models are suitable for general use. And the 415 ME optional on base models are available upon request. It's a bit more expensive. Woman: I think I will buy the former, 415 MG hard drive model. Man: OK. When do you want them? We have this computer in stock. Woman: That's fine. I hope the computers will arrive on Friday morning. Man: Friday morning. Where is your company located? Woman: No. 21. Rose Street, near the Fashion Store. Man: And your telephone number is? Woman: 72188155. Thank you. Man: Thank you for your business. &8226;You will hear three telephone conversations or messages. &8226;Write one or two words or a number in the numbered spaces on the notes or forms below. &8226;After you have listened once, replay each recording. Conversation One &8226;Look at the notes below &8226;You will hear a woman ordering products ORDER FORM Information of Customer Name: Mary Susan from DHA Industries Address: No. 21 (1)______Street Contact No. : (2)______ Information of Computers Type: R51 models (3)______on hard drive Quantity: (4)______ Delivery Date: Friday morning