听力原文：M: Hello! F: May I speak to Mr. Golden, please? M: This is he. F: Good morning, Mr. Golden. This is Mary Suen from DHA Industries. Our company is going to buy 50 RS1 model laptops. M: 415MG on hard drive models or 415ME optional on base models? F: Have you got any suggestions? M: The kind of 415MG on hard drive models are suitable for general use. And the 415ME optional on base models is available upon request. It's a bit more expensive. F: I think I will buy the former, 415MG hard drive model. M: OK ! When do you want them? We have this computer in stock. F: That's fine. I hope the computers will arrive on Friday morning. M: Friday morning. Where is your company located? F: NO. 21 Rose Street, near the Fashion Store. M: And your telephone number is? F: 72188155. Thank you. M: Thank you for your business. ?You will hear three telephone conversations or messages. ?Write one or two words or a number in the numbered spaces on the notes or forms below. ?You will hear each recording twice. Conversation One ?Look at the notes below. ?Yon will hear a woman ordering products. Order Form Information of Customer: Name: Mary Suen 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 June 23rd