●The World Wide Web is the latest evolution of an effort to make information on computers(1)the world available to as many users as possible. (1)A.through B.throughout C.by D.with 答案:(1)C 解析:万维网是让尽可能多的人在计算机上获得信息的最新的一次努力。 ●You can cut,copy,and paste information quickly by clickin9(2)bar buttons with the mouse. (2)A.title B.tool C.status D.for mula 答案:(2)B 解析:你可以使用鼠标点击工具栏上的按钮快速的剪切、复制、粘贴信息。 ●A firewall is a(3)system designed to(4)all organization s network aga—inst threats. (3)A.operating B.programming C.security D.service (4)A.prevent B.protect C.develop D.exploit 答案:(3)C (4)B