大学英语之基础英语综合教程第一册key--unit 4

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1、Keytoexercises:Vocabularyexercises:I.Explaintheitalicizedpartineachsentenceinyourownwords.1.havingaveryenjoyableandexcitingtime2.disconnectedandrefusedtotakemyphonecall3.goawayfromhimorrefusetobewithhim4.didn’tgiveuporenduredbeingwithhimalthoughthiswasunpleasant5

2、.experiencesomuchpainandstress6.endureallthehardexperiencebymyselfII.Fillintheblankineachsentencewithawordorphrasetakenfromtheboxinitsappropriateform.1.invincible2.stress3.confront4.keepup5.marking6.blame7.pushingaside8.emotional9.positive10.recognizedIII.Choosea

3、wordorphrasethatbestcompleteseachofthefollowingsentences.1.B2.C3.A4.C5.D6.D7.D8.AIV.Fillineachblankwithoneofthetwowordsfromeachpairandnotethedifferenceofmeaningbetweenthem.1.a.carefreeb.carelessc.carelessd.carefreeCarelessisusedwhenpeopledonotpayenoughattentionto

4、whattheyaredoing,sotheymakemistakes,orcauseharmordamage,whilecarefreereferstoapersonoraperiodoftimethatdoesnotinvolveanyproblems,worries,orresponsibilities.2.a.sickb.sickc.illd.illBothwordscanrefertosufferingfromadiseaseorahealthproblem.Inthissense,sickcanoftenbe

5、usedasattributiveinfrontofanoun.Whenillisusedasattributive,itoftenreferstosomethingharmfulorunpleasant.Sickcanalsomean“goingtovomit”,soitcanbeconfusingtosay“I’msick.”Sickissometimesusedtotalkaboutadislikefromtoomuchofsomething.3.a.diseaseb.plaguec.diseased.plague

6、Diseasereferstoanykindofbadhealthorisanillnessthataffectspeople,animalsorplants.Itdoesnothaveanyimplicationsastowhetherthesicknessisacuteorchronic,mildorharsh,orlongorshortinduration.Plaguespecificallyreferstoaveryinfectiousdiseasethatspreadsquicklyoverawideareaa

7、ndkillslargenumbersofpeople.4.a.keepsb.keepc.maintaind.maintainKeep,amongitsmanydifferentuses,canmean“tocausesomethingorsomebodytocontinuetodosomething”,or“tohavewithouttheneedofreturning.”Maintainmeans“tocontinuetohavesomethinganddonotletitstoporgrowweaker”,or“t

8、okeepsomethingingoodconditionbyregularlycheckingitandrepairingitwhennecessary.”V.Giveasynonymoranantonymofthewordunderlinedineachsentenceinthesenseitisused.1.t