With the development of mass entertainment, popular music （） away and has gradually developed a stronger life of its own to the point where it has become （） with the classics.（）
Passage One
Electronic books could revolutionize reading, but people ought to consider their far-reaching impacts as well. "The e-book promises to wreak a slow havoc (浩劫) on life as we know it," Jason Ohler, professor of technology assessment (评估), university of Alaska Southeast In Juneau, warned the World Future Society, Bethesda, Md. His assessment weighed the pros and cons (赞成和反对的理由) of e-book technology’s impact on social relationships, the environment, the economy, etc. Before you curl up (蜷曲) with an e-book, consider the disadvantages.
They increase eyestrain due to poor screen resolution, replace a relatively cheap commodity with a more expensive one, and displace workers in print book production and traditional publishing. E-books make it easy to share data, thereby threatening copyright agreements and reducing compensation of authors, as well as creating nonbiodegradable (不可生物降解的) trash.
On the other hand, e-books save paper
A. They are unable to be broken down into harmless products.
B. They consume a lot of natural resources.
C. They produce harmful gases.
D. They are capable of being reused.
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