题目内容
听力原文： This library is an English language teaching and learning library. Unfortunately our resources are limited and so not everybody can join. Teachers of English, university students, and profession als who are in the medical, engineering, and management fields can all join the library. Those from other professions are welcome to apply, but your application will not necessarily be approved.
You must fill in a library application form. and put it in the box on the librarian' s desk. Because of the high number of applications we receive each week, you must wait one week. Please bring your student of work card to pick up your library card. Library application forms which are not picked up within 2 months will be discarded and you will have to reapply.
You may borrow one video at a time. The video must be returned in one week. If you cannot re turn it on time, please call, otherwise your video library card will be cancelled. You may borrow 3 items at one time, i. e. 3 books or 3 cassettes. Items must be returned within one month. You can telephone the library to renew items for another month.
Why cannot the library issue library cards to everyone who applies？
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