帮忙给个答案(完形填空)
完形填空.阅读下面短文,掌握其大意,然后从每小题所给的四个选项中选出一个最佳答案,填入下面对应空格内
Weliveinthe“computerage”.Peoplelikescientists,teachers,writersandevenstudentsusecomputerstodo11work.Butmorethan50yearsago,12couldn’tdomuch.Theywereverybigandexpensive.Very13peoplewereinterested14themandknewhowtousethem.Todaycomputersaresmallerand15.Andtheycandoalotofwork,Manypeopleliketousethem.Moreandmorepeopleevenhavethemathome.
Computersbecomeveryimportantbecausetheycanwork16thanmenandmakefewermistakes.Computerscanhelppeople17alotofwork.Writersnowusecomputerstowrite.Teachersusethemtohelpteachingandstudentsusethemtostudy.Computerscanalsorememberwhatyouput18them.Computersarevery19andhelpful.Theyareourgoodfriends.
Doyouwantto20acomputer?
（）11．A．alotB．manyofC．verymuchD．allkindsof
（）12．A．scientistsB．teachersC．studentsD．computers
（）13．A．fewB．littleC．afewD．alittle
（）14．A．onB．atC．inD．for
（）15A.cheapB．morecheapC．cheaperD．expensive
（）16．A．slowB．slowerC．fastD．faster
（）17．A．doingB．doC．doesD．did
（）18．A．intoB．toC．onD．up
（）19．A．carefulB．beautifulC．heavyD．useful
（）20．A．lendB．payC．sellD．have
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