Someofthemostsuccessfulpeopleintheworldaretheoneswho'vehadthemostfailures.J.K.Rowling'sfirstHarryPotterbookwasrefused12timesbeforeitfinallycameout.MichaelJordanwascutfromhishighschoolbasketballteam.Helosthundredsofgamesandmissedthousandsofshotsduringhiscareer.Butheoncesaid"Ihavefailedoverandoverandoveragaininmylife.Andthat'swhyIsucceed."

Thesepeoplesucceededbecausetheyunderstoodthatyouhavetoletyourfailuresteachyou.Youhavetoletthemshowyouwhattododifferentlythenexttime.Soifyougetintotroublethatdoesn'tmeanyou'reatroublemakeritmeansyouneedtotryhardertoactright.Ifyougetabadgradethatdoesn'tmeanyou'restupiditjustmeansyouneedtospendmoretimestudying.Noone'sbornbeinggoodatallthingsYoubecomegoodatthingsthroughhardwork.Youdon'thiteverynotethefirsttimeyousingasong.You'vegottopractice.

Don'tbeafraidtoaskquestions.Don'tbeafraidtoaskforhelpwhenyouneedit.Idothateveryday.Askingforhelpisn'tasignofweaknessit'sasignofstrengthbecauseitshowsyouhavethecouragetoadmitwhenyoudon'tknowsomethingandthatthenallowsyoutolearnsomethingnew.Sofindanadultthatyoutrust-aparentagrandparentorateacher-andaskthemtohelpyoustayontracktomeetyourgoals.

NowyourfamiliesyourteachersandIaredoingeverythingwecantomakesureyouhaveagoodeducation.Butyou'vegottodoyourparttoo.SoIexpectallofyoutogetseriousthisyear.Iexpectyoutoputyourbesteffortintoeverythingyoudo.Iexpectgreatthingsfromeachofyou.Sodon'tletusdown.Don'tletyourfamilydownoryourcountrydown.Mostofalldon'tletyourselfdown.Makeusallproud.

—ByPresidentObama

52.ThespeakermentionedJ.K.RowlingandMichaelJordanto_______.

A.introducetwoverysuccessfulpeople B.showtheyweredifferentfromothers

C.giveexamplesofsuccessafterfailures D.explainwhytheyfailedmanytimes

53.ThespeakeradvisedthelistenerstodothefollowingEXCEPTto_______.

A.letfailuresteachyou B.hideyourweakness

C.doalotofpractice D.askadultsforhelp

54.Thisspeech