| Today more and more people go to
websites when looking for information. Although most readers go to websites for
news and e-mail, a form of person-to-person news, or in the form of chatting,
they also read books on the web. It’s called electronic book (e-book). Electronic books could revolutionize reading, but people ought to consider their far-reaching impacts as well. "The e-book promises to cause a slow tragedy on life as we know it," Jason Ohler, professor of technology assessment, 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 r 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. [单项选择]In a certain population, 40 percent of all people have biological characteristic X; the others do not. If 8,000 people have characteristic X, how many people do not have X ？（）
A. 3200 B. 4800 C. 12，000 D. 16，000 E. 20，000 [单项选择]A. It has a population of two million people.
B. Its tourist industry accounts for 8% of its GDP. C. Most of its residents are of British origin. D. Most of its income comes from tourism. 我来回答: 提交
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