A second benefit is convenience. Once books are converted to digital form, patrons can retrieve them in seconds rather than minutes. Several people can simultaneously read the same book or view the same picture. Clerks are spared the chore of reshelving. And libraries could conceivably use the Internet to land their virtual collections to those who are unable to visit in person.

　　The third advantage of electronic copies is that they occupy millimeters of space on a magnetic disk rather than meters on a shelf. Expanding library buildings is increasingly costly. The University of California at Berkeley recently spent $46 million on an underground addition to house 1.5 million books – an average cost of $30 per volume. The price of disk storage, in contrast, has fallen to about $2 per 300-page publication and continues to drop.

　　1.　 The best title for this passage would be __________.

　　A. Three Benefits of Libraries

　　B. Libraries Going Digital

　　C. Space-saving E-learning

　　D. Security of Electronic Reading

　　66.　 Which paragraph(s) in the text offer(s) further explanation of the central idea?

　　A. Paragraphs 2, 3 and 4　B. Paragraphs 3 and 4

　　C. Paragraphs 2 and 4D. Paragraph 4

　　3.　 Which one of the following is mentioned as the advantages of E-libraries？

　　A. Old manuscripts can be moved more easily　

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