A、As early as possible. B、48 hours in advance. C、24 hours in advance. D、6 hours in advance. B细节题。对话中图书管理员说： “Most people tend to

W: Good morning, Leighton University Library. How can I help you?
   M: I was wondering if it was possible to join the library.
   W: Are you a student in Leighton University?
   M: No, I’m not, but someone told me it was possible to join, even if I wasn’t.
   W: That’s right, it is. Are you over 18? That’s our minimum joining age.
   M: Yes, I am.
   W: That’s no problem then.
   M: Could you tell me what I have to do to join?
   W: Well, you’ll need to come into the library and fill out some forms. You’ll also need to bring two passport photos with you. We also need two documents for ID, so a driving license would be fine.
   M: I’ve got that and what else? A credit card?
   W: No, it needs to have your address on it.
   M: Shall I bring a bank statement? Would that do?
   W: That’ll be fine.
   M: Good. Does it cost anything to join?
   W: Well, it’s free for students here but otherwise it’s 125 dollars per year or 25 dollars if you’ve got a current student card from another University.
   M: I was at Season University until last year but now I’ve got a job at ABC Company. Er, it’s more expensive than I thought. My local library is free.
   W: But you’ll find they don’t have the range of reference books or facilities which we buy for our students. That’s why you have to pay to be an external member.
   M: I see. How many books can I borrow?
   W: We allow twelve items borrowed at any one time if you’re a student, and that includes CDs, DVDs and videos. However, it’s only eight items for members of the public.
   M: Fine. And how long can I have them for?
   W: Well, you can have both fiction and reference books for four weeks, which isn’t bad really.
   M: What about the computers? Can I use them free of charge?
   W: For college students it’s free, but for external members like yourself, the first hour is free and then we make a nominal charge of 1 dollar per hour thereafter.
   M: Do I have to book in advance for them?
   W: Oh, yes, it’s advisable. Most people tend to book twenty-four hours in advance although sometimes you can get one with only six hours’ notice. However, the earliest you can book a computer is forty-eight hours before you need it, and you can only book one hour at a time. If no one else has booked the computer out, then you may be able to have another hour if you want. We have a wide range of databases, so the computers are in great demand.
   M: Okay. Right, well, that’s about all I need to know. Thank you. I’ll be along later this week to join. Thanks. Bye.
   This is the end of Conversation One. Questions 1 to 5 are based on Conversation One.
   Question 1
   Who can join the library?
   (pause: 10 seconds)
   Question 2
   What does the man need to do to join the library?
   (pause: 10 seconds)
   Question 3
   How much would it cost for the man to join the library?
   (pause: 10 seconds)
   Question 4
   How much should the man pay to use the computer?
   (pause: 10 seconds)
   Question 5
   When is the man advised to book a computer?
   (pause: 10 seconds)