21世纪大学英语第四册课后习题答案全.docx
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21世纪大学英语第四册课后习题答案全.docx
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21世纪大学英语第四册课后习题答案全
Unitone
TEXTA
II
1.Hedefinesgreatnessasthelastingcontributionwhichapersonmakesorhasmadetohumancivilization.
2.TheexampleofChurchillshowstheimportanceofpersistenceanddedicationinachievinggreatness.
3.Firstbornsandonlychildrentendtomakegoodleadersintimesofcrisis,butmiddle-bornchildrenarebetterpeacetimeleaders.
4.A20thcenturypoliticianshouldbeaneffectivepublicspeakerandasocialperson.
5.Intelligenceseemstobelessimportantthanotherfactors,suchastheabilitytocommunicateeffectively.
6.Theabilitytoovercometraditionalwaysofthinkingisalsocrucial.
7.Theysimplydon’tdevotetheamountoftimerequired.
8.Thestudyshowedthatenjoyingone’sworkisthebestformofmotivation.
IV
1.chat2.acknowledge3.motivated4.charcteristic
5.despite6.influential7.cited8.obstacle
9.intrinsic10.criteria11.obsession12.innate
13.contribution(s)14.contemporary15.submitted16.morale
V
1.leftbehind2.rise3.madehistory4.wereendowedwith
5.putupwith6.goingnowhere7.ifocuseson8.bebuilton
9.putineupwith11.takecharge12.set...apart
VI
efficiencyemergencyfluencyfrequency
proficiencytendencyurgencysufficiency
1.fluency2.proficiency3.emergency4.Efficiency
5.tendency6.frequency
VII
1.Forsomestudents,it'snotthattheydon'tputinenoughtime—it'sthattheydon'thavegoodstudyhabits.
2.Childrenperformdifferentlyatschool.It'snotthattheyhavedifferentIQs—it'sthattheyarebroughtupindifferentenvironments.
3.Thecompanyisnotveryproductive.It'snotthatitsstaffaren'ttalented—it'sthattheirenergyhasn'tbeenchanneledeffectively.
4.I'mreallysorry.It'snotthatIdon'twanttogotothecinemawithyou—it'sthatIhavetofinishmypapertonight.
5.Youhaveastomachache.It'snotthatthefoodwasbad—it'sprobablythatyouhavetoomuchstressfromyourwork.
VIII
1.PresidentWilsondidn'ttrytobringtheUSbacktoeconomicandpoliticalisolation.Instead,hebelievedininternationalcooperationthroughanassociationofnations.2.Computersdon'tteachstudentsingroups.Instead,theycanhelpthemlearneffectivelyaccordingtotheirdifferentneeds.
3.Weshouldn'tfocusonminorpoints.Instead,weshouldtrytosolvetheproblemofthegreatesturgencyatpresent.
4.Hedosen'tgetanybodyelsetohelphim.Instead,helikestoattendtoeverythinghimself.
5.Teachingsuccessshouldn'tbemeasuredbythescoresthestudentsreceiveontests.Instead,itshouldbemeasuredbywhetherthestudentshaveinternalizedtheabilityanddesiretolearn.
IX
BCBADDCABADABCA
X
西蒙顿说,如果事业上取得巨大成就者具有什么共性的话,那就是一种持续不断地追求成功的动力。
“人们往往认为他们天生具有一些超常非凡的东西,”他解释道。
“但研究结果表明,有的伟人并没有惊人的智力。
有的只是程度上的差异而已。
伟大是建立在大量的学习、实践和献身精神的基础之上的。
”他举出二战时期的英国首相温斯顿?
丘吉尔作为一个永不放弃的冒险者的典范。
丘吉尔在全国上下士气最为低落的时候被推上台,并出色地领导了英国人民。
在1940年盟军敦刻尔克大撤退之后的一次演讲中,他的话激励了全国人民,“我们绝不会衰退、失败。
我们将坚持到底……我们永远不会屈服。
”
XI
1.Americanstendtodefinepeoplebythejobstheyhave/do.Suchcharacteristicsastheirfamilyandeducationalbackgroundsareconsideredlessimportant.
2.Hisuncompromisingpersonalityexplainswhyhecouldnolongerputupwithhisemployerandeventuallysubmittedhisresignation.
3.IfyoureallywanttolearnEnglishwell,youmustputinalotoftimeandenergy,oryou'llgonowhere.Thesamecanbesaidofothersubjects.
4.Someactorsfameisbuiltontheirinnatebeauty,butdespitehisshortstature,DustinHoffmanroseaboveanditishisexcellentactingthatsethimapart.
5.Afterhetookcharge,wediscoveredthattherewerestrikingdifferencesbetweenhimandhispredecessor.Hehadthedriveandpassion,cameupwithmanynewideas,andfocusedhisworkonhowtoraiseourmorale.
6.DengXiaopingmadehistorywhenhedeclaredChina'sreformandopening-uppolicy.Despitetremendousobstacles,hemadelastingcontributionstoourcountry'smodernizationwithhisunrelentingefforts.
7.WhycouldsomeonewithageniusIQbeleftbehindbyahardworkingpersonwithanaverageIQ?
Ithastobeacknowledgedthatbesidesone'sIQ,manyotherfactorshavemuchtodowithone'sachievements.
8.Thisteacherisreallyremarkableinfirstmotivatingherstudentssoshecanreallyteachthemsomething.It'snotthatsheistalented,it'sthatshefocusescompletelyordrawingtheirfullattentioninclass.
unittwo
TEXTA
II
1.Hegotnothanksforreturningawallet,thoughhedeservedto.
2.Hewantstoshowhowmuchpeopleneedgratitudetokeepupaspiritofkindnessandcooperation.
3.Shesavedupfortwoyears,wenttoNormandyinperson,andgaveherson'sgoldwristwatchtothewoman.
4.Hesendashortrecordingexpressinghisappreciationoftheauthor'sthoughtfulnessandsentittotheauthor.
5.Apatientwhoselifewassavedbyabloodtransfusioncamebackagainandagaintodonatehisbloodanonymouslysothatmorepatientscou
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