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  3. The Internet began in the 1960s as a small network of academic and government computers primarily involved in research for the m

The Internet began in the 1960s as a small network of academic and government computers primarily involved in research for the m

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问题     The Internet began in the 1960s as a small network of academic and government computers primarily involved in research for the military. Originally limited to researchers at a handful of universities and government facilities, the Interact has quickly become a worldwide network providing users with information on a range of subjects and allowing them to purchase goods directly from companies via computer. More and more people are paying bills, shopping, ordering airline tickets, and purchasing stocks via computer over the Internet.
    Internet banking is also becoming increasingly popular. With lower overhead costs in terms of staffing and office space, Internet banks are able to offer higher interest rates on deposits and charge lower rates on loans than traditional banks. “Brick and mortar" banks are increasingly offering online banking services via traditional websites to complement their traditional services. At present, 14 percent of Internet households conduct their banking by means of the Internet, and the figure is expected to double or triple during the next two or three years.
    Increasing commercial use of the Internet has heightened security and privacy concerns. With a credit or debit card, an Internet user can order almost anything online and have it delivered to his home or office. Companies doing business over the Internet need sophisticated security measures to protect credit card, bank account, and social security numbers from unauthorized access as they pass, across the Internet. Any organization that connects its networks to the global Internet must carefully control the access point to ensure that outsiders cannot disturb the organization′s internal networks or gain unauthorized access to the organization′s computer systems and data.
What is NOT mentioned by the text?
选项 A、The original use of the Internet
B、Security concerns in using Internet
C、The commercial conveniences in using Interact
D、Softwares used to guarantee the security of Internet
答案D
解析 细节题。通读全文可知，第一段讲了因特网最初的使用情况及其发展，第二段讲了因特网带来的商业便利——网上银行，第三段讲了使用因特网时的安全问题，故排除前三项，只有D项文章没有提及。
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