[简答]  二、阅读理解：阅读下面的短文，根据文章内容从A、B、C三个选项中选出一个最佳选项。Thecomputerplaysanimportantpartinoureverydaylife.Itisoneofthegreatinventionsintheworldinthecentury.Itworksforusnotonlyathome,intheoffices,inbigshops,atschools.Todayitisusedinmanyways.Itreallybringstheworldlargewealth(财富)andhappiness.ThefirstcomputerintheworldwascalledEnid.ItwasbuiltinAmericain1946.Itwaslarge and heavy. itwasborn,ithasbeendevelopingveryfast.Untilnowithasgonethroughfourperiods andchangedalot.There’remanykindsofcomputers.Computersaregettingsmallerandsmallerandcomputingfasterandfaster.Itbecomesmoreandmorehelpful.Thecomputercandomostofthethingsthepeople.Itcanhelpustoknowabouttherealworldmorequickly,tolearnwewanttolearnandtothinkforourselves.Asastudentinthetwenty-firstcentury,youmustworkhardatit.