文档介绍：2014吉林特岗教师招聘-小学英语完形填空题强化题(四)
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Cloze
(七)
Directions: There are 20 blanks in the following each blank there are four choices marked A,B,C and the ONE that best fills the blank.
puters are used by one person at a largest puter,or PC's,can fit on of these__2__have more than one microprocessor (微处理器).__3__the primary processor,which is a general purpose device,a PC may have one or more processors to__4__special kinds of machines,__5__,have maths processors,others have graphics (描绘) processors to help process photographs and other others have__6__processors.
Office workers also use PC's that are not__7__to machines are used for__8__tasks as word processing,performing financial calculations,anizing and__9__bodies of information called databases (数据库).People use PC's at__10__for some of the same kinds of use word processing programs munication,financial software for household budgets (预算).Inpiduals also use their puters to play__12__and municate__13__the .
Small,portable PC's are__14__with people who often work away from their puters,which can be__16__on the lap; puters,which are about the__17__of a loose leaf notebook; and palmtop,or puters,which can be operated while__18__in the and puters have the same__19__as have le