【名词&注释】
经济效果(economic effect)、社会生产(social production)、生产活动(production activity)、组成部分(part)、违法行为(illegal activities)、井然有序(eutaxy)、文字处理(word processing)、电话线(telephone line)、宽带接入技术(broadband insertion technique)、经济上(economically)
[单选题]OSI体系结构定义了一个（ ）层模型
A. 6
B. 7
C. 8
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举一反三：
[单选题]通过互联网从事违反国家有关法律、法规的活动，侵害国家、社会或他人利益的违法行为是()。
A. 计算机攻击
B. 计算机防护
C. 计算机危害
D. 计算机犯罪
[单选题]标准化的目的之一是建立最佳秩序，即建立一定环境和一定条件的最合理秩序。标准化的另一目的，就是(20)。
A. 提高资源的转化效率
B. 提高劳动生产率
C. 保证公平贸易
D. 获得最佳效益
[单选题]There is no question that computer applications such as(71), electronic mail, and(72)publishing have changed the way people work. These computer applications have enhanced users capacity for communication and have improved their productivity. The success of these applications has prompted both vendors and researchers to continue to seek new ways to further advance the information technology revolution. Enter the latest innovation: networked(73)systems. They convey information in multiple(74): text, graphics, video, audio,(75), computer simulations, and so forth. Advocates of these systems argue that they are the next logical step in human communication; however, modifying our current networks to accommodate the variety of media will present significant technical difficulties.
A. word transaction
B. word processing
C. word disposal
D. word dealing
[单选题]● 数字用户线（DSL）是基于普通电话线(telephone line)的宽带接入技术(broadband insertion technique)，可以在铜质双绞线上同时传送数据和话音信号。下列选项中，数据速率最高的DSL标准是 （18） 。（18）
A. ADSL
B. VDSL
C. HDSL
D. RADSL
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