erentamountsofmoneyfordoingthesamework.Butitisnotaseasyasitappealsatfirst__1__tointroduceequalpayforequalwork.Twopeoplemaybeworkingsidebysideinafactoryanddoingthesamework,butonemaybedoingittwiceasfastasthe__2__;oronemaybemakingnomistakes,whiletheotherismakingalot.Insomekindsofwork,onecansolvetheproblemofspeedifonepaysbytheamountofworktobedoneandnotbythehour:workpaidforinthis__3__iscalledpiece-work.Butitisnotalwayspossibletodothis,soitissometimesusefultopayworkersatdifferentrates,whichtakedifferencesinskillinto__4__.Thisusuallymeansthattheyoungerandthereforelessexperiencedworkergetslessthanthe__5__andmoreexperiencedone,whichseemsreasonableenough.(1)、A:otherB:sightC:olderD:wayE:account答案:B(2)、A:otherB:sightC:olderD:wayE:account答案:A(3)、A:otherB:sightC:olderD:wayE:account答案:D(4)、A:otherB:sight