The Rise of Day-nursery in AmericaIn the United States．the first day-nursery was opened in

A、TheRiseofDay-nurseryinAmerica
B、IntheUnitedStates．thefirstday-nurserywasopenedin1854．Nurserieswere．establishedinvariousareasduringthc(1)halfofthe19thcentury;mostof_____(2)werecharitable．BothinEuropeandintheU．S．theday-nurserymovementreceivedgreat______(3)duringtheFirstWorldWar,whenthe______(4)ofmanpower(劳动力)causedtheindustrialemploymentofunprecedented(前所未有的)numbersofwomen．InsomeEuropeancountriesnurserieswereestablished_____(5)inmunitions〔军火〕plants,underdirectgovernmentsponsorship．______(6)thenumberofnurseriesintheU．S．alsorosesharply,thisrisewasaccomplishedwithoutaidofanykind．DuringtheyearsfollowingtheFirstWorldWar,_____(7),federal,state,andlocalgovernmentsgraduallybegantoexerciseameasureofcontrol_____(8)theday-nurseries,chieflybylicensing(发展照)themandbyinspectingandregulatingtheconditionswithinthenurseries．
C、The_____(9)oftheSecondWorldWarwasquicklyfollowedbyanincreaseinthenumberofday-nurseriesinalmostallcountries,aswomenwere_____(10)calledupontoreplacemeninthefactories．Onthis_____(11)theU．S．governmentimmediatelycametothesupportofthenurseryschools,allocating$6,000,000inJuly1942,foranurseryschoolprogramforthechildrenofworkingmothers．Manystatesandlocalcommunitiessupplemented(补充)thisfederalaid．Byth'eendofthewar,inAugust1945,morethan100,000childrenwerebeingcared_____(12)inday-carecentersreceivingfederalsubsidies．Soonafterward,thefederalgovernment_____(13)cutdownitsexpendituresforthispurposeandlater_____(14)them,causingasharpdropinthenumberofnurseryschoolsinoperation．However,theexpectationthatmostemployedmotherswouldleavetheir______(15)attheendofthewarwasonlypartlyfulfilled．
D、第51题
A、latter
B、late
C、other
D、first