【各位哥哥姐姐们,小妹有问题要请教Nooneisgladtohearthathisbodyhastobecutopenbyasurgeon（外科医生）andpartofittakenout．Today,however,weneedn'tworryaboutfeelingpainduringtheoperation．Thesickpers】

　　各位哥哥姐姐们,小妹有问题要请教

　　Nooneisgladtohearthathisbodyhastobecutopenbyasurgeon（外科医生）andpartofittakenout．Today,however,weneedn'tworryaboutfeelingpainduringtheoperation．Thesickpersonfallsintoakindofsleep,andwhenheawakes,theoperationisfinished．Butthesehappyconditionsarefairlynew．Itisnotmanyyearssinceamanwhohadtohaveoperationfeltallitspain．

　　Longago,operationhadusuallytobedonewhilethesickmancouldfeeleverything．Thesickmanhadtobehelddownonatablebyforcewhilethedoctorsdidtheirbestforhim．Hecouldfeelallthepainifhislegorarmwasbeingcutoff,andhisfearfulcriesfilledtheroomandtheheartsofthosewhowatched．

　　Soonafter1770,JoseptPriestleydiscoveredagaswhichisnowcalled“laughinggas”．LaughinggasbecameknowninAmerica．Youngmenandwomenwenttopartiestotryit．Mostofthemspenttheirtimelaughing,butonemanataparty,HoraceWells,noticedthatpeopledidn'tseemtofeelpainwhentheywereusingthisgas．Hedecidedtomakeanexperimentonhimself．Heaskedafriendtohelphim．

　　Wellstooksomeofthegas,andhisfriendpulledoutoneofWell’steeth．Wellsfeltnopainatall．

　　Ashedidn'tknowenoughaboutlaughinggas,hegaveamanlessgasthanheshouldhave．Themancriedoutwithpainwhenhistoothwasbeingpulledout．

　　Wellstriedagain,butthistimehegavetoomuchofthegas,andthemandied．Wellsneverforgotthisterribleevent．

　　51．Itis＿＿＿＿sinceamanbeingoperatedfeltallthepain．

　　A．afewmoreyearsB．notlong

　　C．fewyearsD．twothousandyears

　　IoncethoughtIwouldbeaperfectparent.IttookmesixteenyearstolearnthatIcouldnotbe.IknowthatImadesomemistakes.IfIraisedmychildrenagain,Iwouldnotmakethosemistakes.MaybeIwouldmakenewones,butIwoulddoabetterjob.

　　Iwouldtrytounderstandmy7___towardsmychildren.Ioftendidwhatmyownparentswouldhavedone.Ilettheirwaysofraisingchildrencontrolme.Forexample,IhadmyteenagesonDavidcomehomeearly.Hehatedthisrule.Hesaidnoreasonforit.Asagirl,Ihadtobehomeearly.Iwantedmysontodothesame.TodayIwouldthinkmoreaboutwhyIwantedthingsdoneinacertainway.

　　MyfatherwassickwhenIwasyoung.Mysister,mybrother