2019探究理数（北师大版）练习：第一章 第二节　命题及其关系、充分条件与必要条件含解析

课时作业A组——基础对点练1．(2017· 高考 地理事物空间分布特征语文高考下定义高考日语答题卡模板高考688高频词汇高考文言文120个实词 天津卷)设x∈R，则“2－x≥0”是“|x－1|≤1”的(　　)A．充分而不必要条件　B．必要而不充分条件C．充要条件D．既不充分也不必要条件解析：由|x－1|≤1，得0≤x≤2，∵0≤x≤2⇒x≤2，x≤2　0≤x≤2，[Apartfromabovestudiesonnumberstranslationinpoetry,thereareanincreasingnumberofscholarsdevotingtothisstudyfromothersperspective,justlikeQin(2009).IncasesofTangpoems,whichrefertofuzzynumeralsinpoems,sheanalyzesthefuzzinessandrhetoricalfunctionsofnumbers,andpresentssometranslationmethodsonfuzzy]故“2－x≥0”是“|x－1|≤1”的必要而不充分条件，故选B.[indifferentlanguageresultinvariousculturalconnotationsonnumerals.Therefore,understandingnumeralscultureisthesignificantfoundationfornumeralstranslation.HediscussesthedifferentculturalimplicationbetweenChineseandEnglishnumerals,andanalyzesits"same"points.Thenheprobesintoreasonsofthedifference]答案：B2．命题“若x，y都是偶数，则x＋y也是偶数”的逆否命题是(　　)[ModernChineseDictionary(5thedition,2005)makesclearthatnumeralsarethecharactersorsymbolsofamount.Therealsoadefinitionfor"number"inOxfordAdvancedLearner'sDictionary(8thedition,2010):symbolorwordindicatingaquantityofunits.Thus,themostessentialfunctionofnumbersistocount]A．若x＋y是偶数，则x与y不都是偶数B．若x＋y是偶数，则x与y都不是偶数C．若x＋y不是偶数，则x与y不都是偶数[Numerals,therefore,shouldreceivemoreattentionfromtranslators.Basedonreceptiontheory,translationisoughttobemettheexpectationfromtargetreaders,whichmeansthattranslatorsshouldemployanappropriatetranslatingmethodwhentranslatingthepoetryinordertobeunderstoodbytheWestern.Ontheotherhand,whenworkingonthistranslation,translatorsshouldkeeptheculturalinformationinnumeralsremained.AsthereceptiontheoryappliedtotranslationofthenumbersinChinesepoetry,]D．若x＋y不是偶数，则x与y都不是偶数[suchasShenWenya,LiaoHuizhengandsoon.Shen(2009)comesupthedigitalculturalschemata----aframeworkaboutnumeralsculturalknowledge.ChineseandEnglishnumeralscarrydifferentculturalconnotations,sobothofthemhavetheirowndigitalculturalschemata.Shediscussesthedifferentassociativemeaningofnumeralsgivenbythesetwonationalities]解析：由于“x，y都是偶数”的否定 表 关于同志近三年现实表现材料材料类招标技术评分表图表与交易pdf视力表打印pdf用图表说话 pdf 达是“x，y不都是偶数”，“x＋y是偶数”的否定表达是“x＋y不是偶数”，故原命题的逆否命题为“若x＋y不是偶数，则x，y不都是偶数”，故选C.答案：C3．已知命题“若 函 关于工期滞后的函关于工程严重滞后的函关于工程进度滞后的回复函关于征求同志党风廉政意见的函关于征求廉洁自律情况的复函 数f(x)＝ex－mx在(0，＋∞)上是增函数，则m≤1”，则下列结论正确的是(　　)A．否命题“若函数f(x)＝ex－mx在(0，＋∞)上是减函数，则m＞1”是真命题[Apartfromabovestudiesonnumberstranslationinpoetry,thereareanincreasingnumberofscholarsdevotingtothisstudyfromothersperspective,justlikeQin(2009).IncasesofTangpoems,whichrefertofuzzynumeralsinpoems,sheanalyzesthefuzzinessandrhetoricalfunctionsofnumbers,andpresentssometranslationmethodsonfuzzy]B．逆命题“若m≤1，则函数f(x)＝ex－mx在(0，＋∞)上是增函数”是假命题C．逆否命题“若m＞1，则函数f(x)＝ex－mx在(0，＋∞)上是减函数”是真命题D．逆否命题“若m＞1，则函数f(x)＝ex－mx在(0，＋∞)上不是增函数”是真命题[Thethesisattemptstoexplorefromreceptiontheoryperspective.Withreceptiontheoryasatheoreticalframework,thisthesiswillpresentthereceptiontheory,characteristicsofnumerals,andthecorrespondingtranslationmethods.Onthepartoftranslatingmethods,adetailedanalysisismadebydiscussingthebenefitsaswellaslossesoftranslationinspecificcases.]解析：命题“若函数f(x)＝ex－mx在(0，＋∞)上是增函数，则m≤1”是真命题，所以其逆否命题“若m＞1，则函数f(x)＝ex－mx在(0，＋∞)上不是增函数”是真命题．[in300poemsofTangDynasty,over130poems(nearlyhalfoftotal)embodynumbers.Thetable1showsthatvariousnumbersappearformorethan4,792timesinthetotalnumberof3,016poemswhicharecollectedinfourbooks-Bookofsongs,Chuci,LibaiandDufu,about1.59foreachone.Andthenumbersamong"one","three","hundred","thousand"and"tenthousand"aremostfrequentlyused]答案：D[Numerals,therefore,shouldreceivemoreattentionfromtranslators.Basedonreceptiontheory,translationisoughttobemettheexpectationfromtargetreaders,whichmeansthattranslatorsshouldemployanappropriatetranslatingmethodwhentranslatingthepoetryinordertobeunderstoodbytheWestern.Ontheotherhand,whenworkingonthistranslation,translatorsshouldkeeptheculturalinformationinnumeralsremained.AsthereceptiontheoryappliedtotranslationofthenumbersinChinesepoetry,]4．“a＝－2”是“直线l1：ax－y＋3＝0与l2：2x－(a＋1)y＋4＝0互相平行”的(　　)A．充分不必要条件B．必要不充分条件[Although,numbersarewithdifferentculturalconnotationsinthewestandChina,intranslationofnumbersinChinesepoetry,excellenttranslatorsworkfromtheperspectiveoftargetreaders.Inthesetranslationversions,thetranslatingnumbersnotonlykeeptheoriginalculturalconnotations,butassurethatthereadersacceptandunderstandeasily.Therefore,translatorsmustbewithvaststoresofknowledge]C．充要条件D．既不充分也不必要条件解析：当a＝－2时，直线l1：2x＋y－3＝0，l2：2x＋y＋4＝0，所以直线l1∥l2；若l1∥l2，则－a(a＋1)＋2＝0，解得a＝－2或a＝1.所以“a＝－2”是“直线l1：ax－y＋3＝0与l2：2x－(a＋1)y＋4＝0互相平行”的充分不必要条件，故选A.答案：A5．设m∈R，命题“若m＞0，则方程x2＋x－m＝0有实根”的逆否命题是(　　)[Apartfromabovestudiesonnumberstranslationinpoetry,thereareanincreasingnumberofscholarsdevotingtothisstudyfromothersperspective,justlikeQin(2009).IncasesofTangpoems,whichrefertofuzzynumeralsinpoems,sheanalyzesthefuzzinessandrhetoricalfunctionsofnumbers,andpresentssometranslationmethodsonfuzzy]A．若方程x2＋x－m＝0有实根，则m＞0[Although,numbersarewithdifferentculturalconnotationsinthewestandChina,intranslationofnumbersinChinesepoetry,excellenttranslatorsworkfromtheperspectiveoftargetreaders.Inthesetranslationversions,thetranslatingnumbersnotonlykeeptheoriginalculturalconnotations,butassurethatthereadersacceptandunderstandeasily.Therefore,translatorsmustbewithvaststoresofknowledge]B．若方程x2＋x－m＝0有实根，则m≤0[metonymy,andcomparison.ThenthethesisanalyzesthesuccessandlossesofnumeralsinChinesepoetrythroughanumberofexamples.Underguidanceofreceptiontheory,thisthesisstudiesthetranslationofnumeralsinChinesepoetryandpresentthreetranslationmethods--literaltranslation,freetranslationandnoting]C．若方程x2＋x－m＝0没有实根，则m＞0D．若方程x2＋x－m＝0没有实根，则m≤0[understandingoverfuzzynumbersinpoetrythetarget-readershaveasmuchaspossibleoriginal-readershave,heshouldemploythebesttranslatingmethoddependingondifferentcases.Andthenthequestionthathowtotakeflexibletranslatingmethodsonnumberstranslationhaspuzzledscholarsalot.Toovercomethisdifficulty,Meng(2013)hasstudiedthedifferencesofnumeralsuseinChineseandEnglishbysumminguptheirfeaturesinTangpoetry]解析：由原命题和逆否命题的关系可知D正确．答案：D6．(2018·惠州市调研)设函数y＝f(x)，x∈R，“y＝|f(x)|是偶函数”是“y＝f(x)的图像关于原点对称”的(　　)[Numerals,therefore,shouldreceivemoreattentionfromtranslators.Basedonreceptiontheory,translationisoughttobemettheexpectationfromtargetreaders,whichmeansthattranslatorsshouldemployanappropriatetranslatingmethodwhentranslatingthepoetryinordertobeunderstoodbytheWestern.Ontheotherhand,whenworkingonthistranslation,translatorsshouldkeeptheculturalinformationinnumeralsremained.AsthereceptiontheoryappliedtotranslationofthenumbersinChinesepoetry,]A．充分不必要条件B．充要条件C．必要不充分条件D．既不充分也不必要条件解析：设f(x)＝x2，y＝|f(x)|是偶函数，但是不能推出y＝f(x)的图像关于原点对称．反之，若y＝f(x)的图像关于原点对称，则y＝f(x)是奇函数，这时y＝|f(x)|是偶函数，故选C.[indifferentlanguageresultinvariousculturalconnotationsonnumerals.Therefore,understandingnumeralscultureisthesignificantfoundationfornumeralstranslation.HediscussesthedifferentculturalimplicationbetweenChineseandEnglishnumerals,andanalyzesits"same"points.Thenheprobesintoreasonsofthedifference]答案：C7．(2018·南昌十校模拟)命题“已知a，b，c为实数，若abc＝0，则a，b，c中至少有一个等于0”，在该命题的逆命题、否命题、逆否命题中，真命题的个数为(　　)[Apartfromabovestudiesonnumberstranslationinpoetry,thereareanincreasingnumberofscholarsdevotingtothisstudyfromothersperspective,justlikeQin(2009).IncasesofTangpoems,whichrefertofuzzynumeralsinpoems,sheanalyzesthefuzzinessandrhetoricalfunctionsofnumbers,andpresentssometranslationmethodsonfuzzy]A．0B．1C．2D．3[hopingtoprovideanewanglefortheresearchonthispartsoastohelpthetargetlanguagereadersunderstandandexperiencetheglamourofChinesepoemsandconveyChinesetraditionalculturetotheworld]解析：原命题为真命题，逆命题为“已知a，b，c为实数，若a，b，c中至少有一个等于0，则abc＝0”，也为真命题．根据命题的等价关系可知其否命题、逆否命题也是真命题，故在该命题的逆命题、否命题、逆否命题中，真命题的个数为3.[understandingoverfuzzynumbersinpoetrythetarget-readershaveasmuchaspossibleoriginal-readershave,heshouldemploythebesttranslatingmethoddependingondifferentcases.Andthenthequestionthathowtotakeflexibletranslatingmethodsonnumberstranslationhaspuzzledscholarsalot.Toovercomethisdifficulty,Meng(2013)hasstudiedthedifferencesofnumeralsuseinChineseandEnglishbysumminguptheirfeaturesinTangpoetry]答案：D[Thethesisattemptstoexplorefromreceptiontheoryperspective.Withreceptiontheoryasatheoreticalframework,thisthesiswillpresentthereceptiontheory,characteristicsofnumerals,andthecorrespondingtranslationmethods.Onthepartoftranslatingmethods,adetailedanalysisismadebydiscussingthebenefitsaswellaslossesoftranslationinspecificcases.]8．(2018·石家庄模拟)已知向量a＝(1，m)，b＝(m,1)，则“m＝1”是“a∥b”成立的(　　)[OpinionsfurtherdeviatedfromtheabovestudieswhenZhang(2012)holdsthattranslationisrelatedwiththetranslationaleco-environmentofatranslator.WiththeEco-translatologyasthetheoreticalframework,heprobesintoXuYuanchong'stranslationofnumeralsinTangpoems.HemakesaspecificanalysisaboutXu'stranslationofnumeralsinTangpoemsfromtheaspectsoftheadaptationsandselections.]A．充分不必要条件[TheliteraturereviewofstudiesontranslatingnumbersandnumeralsinChinesepoetryshowsusthepreviousstudytrack.ThestudiesontranslationofnumbersinChinesepoetryhavebeencarriedoutfromsuchvariousperspectivesasfuzzytheory,cultureandfunctionalequivalence.However,someofthesestudiesaretoogeneral.Furthermore,therestillexistsmuchroomtoimproveinthisaspect]B．必要不充分条件C．充要条件[Theformulationofreceptiontheoryhasalotofhistoryresources,suchasthehermeneutics,Russianformalism,phenomenologyandexistentialism.InfluencedbyHans-GeorgGadamer'stheories,theviewpointofaestheticsofreceptionwaspresentedforthefirsttimeatthedeliveredlecture"LiteraryHistoryasaProvocationtoLiteraryScholarship"byJaussin1967.Thislecturemarksthebirthofaestheticsofreception.Jaussalsoproposestheconceptof"Erwartungshorizont"(horizonofexpectation).Itreferstorecipients,]D．既不充分也不必要条件解析：向量a＝(1，m)，b＝(m,1)，若a∥b，则m2＝1，即m＝±1，故“m＝1”是“a∥b”的充分不必要条件，选A.[Manyscholars,whohavebeenstudyingthereceptionaesthetic,findthattheliteraryworksareproducedforreaders'toread.Onlywhenpeoplebegantoreadthem,dotheirsocialmeaningandaestheticalvaluesshowtous.Readersalsocanstimulatetheproductionofliteraryworks.Receptionaestheticregards"author?works?readers"asacompletedynamicliteraryprocess.Intheviewofthistheory]答案：A9．(2018·武汉市模拟)设{an}是首项为正数的等比数列，公比为q，则“q＜0”是“对任意的正整数n，a2n－1＋a2n＜0”的(　　)A．充分不必要条件[Numerals,therefore,shouldreceivemoreattentionfromtranslators.Basedonreceptiontheory,translationisoughttobemettheexpectationfromtargetreaders,whichmeansthattranslatorsshouldemployanappropriatetranslatingmethodwhentranslatingthepoetryinordertobeunderstoodbytheWestern.Ontheotherhand,whenworkingonthistranslation,translatorsshouldkeeptheculturalinformationinnumeralsremained.AsthereceptiontheoryappliedtotranslationofthenumbersinChinesepoetry,]B．必要不充分条件C．充要条件[hopingtoprovideanewanglefortheresearchonthispartsoastohelpthetargetlanguagereadersunderstandandexperiencetheglamourofChinesepoemsandconveyChinesetraditionalculturetotheworld]D．既不充分也不必要条件[Thethesisattemptstoexplorefromreceptiontheoryperspective.Withreceptiontheoryasatheoreticalframework,thisthesiswillpresentthereceptiontheory,characteristicsofnumerals,andthecorrespondingtranslationmethods.Onthepartoftranslatingmethods,adetailedanalysisismadebydiscussingthebenefitsaswellaslossesoftranslationinspecificcases.]解析：a1＞0，a2n－1＋a2n＝a1q2n－2(1＋q)＜0⇒1＋q＜0⇒q＜－1⇒q＜0，而a1＞0，q＜0，取q＝－答案：B10．设平面α与平面β相交于直线m，直线a在平面α内，直线b在平面β内，且b⊥m，则“a⊥b”是“α⊥β”的(　　)A．充分不必要条件B．必要不充分条件[understandingoverfuzzynumbersinpoetrythetarget-readershaveasmuchaspossibleoriginal-readershave,heshouldemploythebesttranslatingmethoddependingondifferentcases.Andthenthequestionthathowtotakeflexibletranslatingmethodsonnumberstranslationhaspuzzledscholarsalot.Toovercomethisdifficulty,Meng(2013)hasstudiedthedifferencesofnumeralsuseinChineseandEnglishbysumminguptheirfeaturesinTangpoetry]C．充要条件D．既不充分也不必要条件解析：因为α⊥β，b⊥m，所以b⊥α，又直线a在平面α内，所以a⊥b；但直线a，m不一定相交，所以“a⊥b”是“α⊥β”的必要不充分条件，故选B.[metonymy,andcomparison.ThenthethesisanalyzesthesuccessandlossesofnumeralsinChinesepoetrythroughanumberofexamples.Underguidanceofreceptiontheory,thisthesisstudiesthetranslationofnumeralsinChinesepoetryandpresentthreetranslationmethods--literaltranslation,freetranslationandnoting]答案：B11．(2018·南昌市模拟)a2＋b2＝1是asinθ＋bcosθ≤1恒成立的(　　)A．充分不必要条件B．必要不充分条件C．充要条件[ThebasicfunctionofnumeralswhichhavegreatculturalconnotationinChinesepoetryiscalculation.However,numeralsdon'talwayshavetheexactnumbersandtheprecisemeaning.Inpoems,theyhavemanyrhetoricaldevices,suchashyperbole,metaphorandparallelism.Allthesemakeithardfortranslatorstotranslateandprettydifficultforreaderstounderstand.Thisphenomenonhasstimulatedagrowinginterestofmoreandmoreforeignreaders]D．既不充分也不必要条件[Receptiontheoryisaversionofreader-responseliterarytheorythatemphasizesthereader'sreceptionofaliterarytext,whichbeganinthelate1960s.H.RJauss,R.IngardenandW.Iserareitsmainrepresentatives.Theybelievethatreadersarethecenterofliterarystudies]解析：因为asinθ＋bcosθ＝答案：A[Numerals,therefore,shouldreceivemoreattentionfromtranslators.Basedonreceptiontheory,translationisoughttobemettheexpectationfromtargetreaders,whichmeansthattranslatorsshouldemployanappropriatetranslatingmethodwhentranslatingthepoetryinordertobeunderstoodbytheWestern.Ontheotherhand,whenworkingonthistranslation,translatorsshouldkeeptheculturalinformationinnumeralsremained.AsthereceptiontheoryappliedtotranslationofthenumbersinChinesepoetry,]12．(2018·洛阳统考)已知集合A＝{1，m2＋1}，B＝{2,4}，则“m＝A．充分不必要条件B．必要不充分条件[Receptiontheoryisaversionofreader-responseliterarytheorythatemphasizesthereader'sreceptionofaliterarytext,whichbeganinthelate1960s.H.RJauss,R.IngardenandW.Iserareitsmainrepresentatives.Theybelievethatreadersarethecenterofliterarystudies]C．充要条件D．既不充分也不必要条件解析：若A∩B＝{4}，则m2＋1＝4，[Inmanyformertranslationtheories,theauthor-centeredtheoryandtext-centeredtheorywhichoccupiedaconspicuouspositiondidn'ttakereader'sreceptionintoconsideration,nordidtheyconsiderthattranslatorsshouldchoosevarioustranslationstrategiesbasedonreader'sreception.Thereisastronginfluenceintranslationcirclebythesetwotheories]∴m＝±∴“m＝答案：A[Exaggerationreferstoarhetoricalmodewhichcanarisetheimaginationoflistenersorreadersandstrengthenthepowerofalanguagebydescribingsomethingwithexaggeratedwords(ModernChineseDictionary,2005:790).NumeralsareusedfrequentlyinChinesepoetry,inwhichthesenumbersarewithexaggeration.Forexample,LiBaiwritesthat]13．在△ABC中，角A，B，C所对应的边分别为a，b，c，则“a≤b”是“sinA≤sinB”的条件．解析：由正弦定理，得答案：充要[understandingoverfuzzynumbersinpoetrythetarget-readershaveasmuchaspossibleoriginal-readershave,heshouldemploythebesttranslatingmethoddependingondifferentcases.Andthenthequestionthathowtotakeflexibletranslatingmethodsonnumberstranslationhaspuzzledscholarsalot.Toovercomethisdifficulty,Meng(2013)hasstudiedthedifferencesofnumeralsuseinChineseandEnglishbysumminguptheirfeaturesinTangpoetry]14．“x＞1”是“”的条件．解析：由，得x＋2＞1，解得x＞－1，所以“x＞1”是“”的充分不必要条件．[Numerals,therefore,shouldreceivemoreattentionfromtranslators.Basedonreceptiontheory,translationisoughttobemettheexpectationfromtargetreaders,whichmeansthattranslatorsshouldemployanappropriatetranslatingmethodwhentranslatingthepoetryinordertobeunderstoodbytheWestern.Ontheotherhand,whenworkingonthistranslation,translatorsshouldkeeptheculturalinformationinnumeralsremained.AsthereceptiontheoryappliedtotranslationofthenumbersinChinesepoetry,]答案：充分不必要[metonymy,andcomparison.ThenthethesisanalyzesthesuccessandlossesofnumeralsinChinesepoetrythroughanumberofexamples.Underguidanceofreceptiontheory,thisthesisstudiesthetranslationofnumeralsinChinesepoetryandpresentthreetranslationmethods--literaltranslation,freetranslationandnoting]15．命题“若x>1，则x>0”的否命题是．答案：若x≤1，则x≤0[Inmanyformertranslationtheories,theauthor-centeredtheoryandtext-centeredtheorywhichoccupiedaconspicuouspositiondidn'ttakereader'sreceptionintoconsideration,nordidtheyconsiderthattranslatorsshouldchoosevarioustranslationstrategiesbasedonreader'sreception.Thereisastronginfluenceintranslationcirclebythesetwotheories]16．如果“x2>1”是“x<a”的必要不充分条件，则a的最大值为．[understandingoverfuzzynumbersinpoetrythetarget-readershaveasmuchaspossibleoriginal-readershave,heshouldemploythebesttranslatingmethoddependingondifferentcases.Andthenthequestionthathowtotakeflexibletranslatingmethodsonnumberstranslationhaspuzzledscholarsalot.Toovercomethisdifficulty,Meng(2013)hasstudiedthedifferencesofnumeralsuseinChineseandEnglishbysumminguptheirfeaturesinTangpoetry]解析：由x2>1，得x<－1，或x>1，[understandingoverfuzzynumbersinpoetrythetarget-readershaveasmuchaspossibleoriginal-readershave,heshouldemploythebesttranslatingmethoddependingondifferentcases.Andthenthequestionthathowtotakeflexibletranslatingmethodsonnumberstranslationhaspuzzledscholarsalot.Toovercomethisdifficulty,Meng(2013)hasstudiedthedifferencesofnumeralsuseinChineseandEnglishbysumminguptheirfeaturesinTangpoetry]又“x2>1”是“x<a”的必要不充分条件，知由“x<a”可以推出“x2>1”，反之不成立，所以a≤－1，即a的最大值为－1.[Numeralsappliedinpoetryplayanimportantroleindeliveringpoeticimagery.Theynotonlycanexpressthequantity,butcanconveyabundantculturalconnotations.Therefore,thetranslationofnumeralsbringssomedifficultiestothetranslationofChinesepoetry.Somescholarshaveanalyzedandstudiedthisquestionfromdifferentanglessuchasfuzzinessandculture]答案：－1B组——能力提升练[Manyscholars,whohavebeenstudyingthereceptionaesthetic,findthattheliteraryworksareproducedforreaders'toread.Onlywhenpeoplebegantoreadthem,dotheirsocialmeaningandaestheticalvaluesshowtous.Readersalsocanstimulatetheproductionofliteraryworks.Receptionaestheticregards"author?works?readers"asacompletedynamicliteraryprocess.Intheviewofthistheory]1．(2018·湖南十校联考)已知数列{an}的前n项和Sn＝Aqn＋B(q≠0)，则“A＝－B”是“数列{an}是等比数列”的(　　)A．充分不必要条件[Receptiontheoryisaversionofreader-responseliterarytheorythatemphasizesthereader'sreceptionofaliterarytext,whichbeganinthelate1960s.H.RJauss,R.IngardenandW.Iserareitsmainrepresentatives.Theybelievethatreadersarethecenterofliterarystudies]B．必要不充分条件C．充要条件[hopingtoprovideanewanglefortheresearchonthispartsoastohelpthetargetlanguagereadersunderstandandexperiencetheglamourofChinesepoemsandconveyChinesetraditionalculturetotheworld]D．既不充分也不必要条件解析：若A＝B＝0，则Sn＝0，故数列{an}不是等比数列；若数列{an}是等比数列，则a1＝Aq＋B，a2＝Aq2－Aq，a3＝Aq3－Aq2，由答案：B2．已知函数f(x)＝3ln(x＋A．充分不必要条件[Everythinghasitsopposite.Whateverthepersonortheobject,theyareallincontradiction.TheproperuseofnumbersinChinesepoetryalsocancreateablazingconstract.WhenreadingpoemsbyBaiJuyi,peoplewillnotfindanythingrelatedwith"poem".However]B．必要不充分条件[Receptiontheoryisaversionofreader-responseliterarytheorythatemphasizesthereader'sreceptionofaliterarytext,whichbeganinthelate1960s.H.RJauss,R.IngardenandW.Iserareitsmainrepresentatives.Theybelievethatreadersarethecenterofliterarystudies]C．充要条件[Baohasmadeastudyontherelationshipbetweencultureposedinnumbersandtheirtranslation."Languageisthecarrierofculture;cultureisthesoiloflanguage;translationisthebridgeofcross-culturecommunication"(2001).Translationisnotonlytheactiontotransferdifferentlanguages]D．既不充分也不必要条件解析：由题意知f(x)的定义域为R，易知y＝ln(x＋答案：C[Literarytranslationalsobelongstotheliteraryactivity.Thetranslatorfirstlyisjustareader,arecipient.Therefore,receptiontheoryalsocanbeappliedtotranslation.Itprovidestheoreticalbasefortranslators'recreation,translationstandard'sassuranceand]3．l1，l2表示空间中的两条直线，若p：l1，l2是异面直线；q：l1，l2不相交，则(　　)[Receptiontheoryisaversionofreader-responseliterarytheorythatemphasizesthere