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专业英语常见词缀•preface•Overview of affixes inprofessional English•Common prefixesin目录professional English•Common suffixes inprofessional Englishcontents•Memory andapplication ofprofessional English affixes•Expanding Learningof affixes inProfessional English目录contentsCHAPTER01prefaceCourse IntroductionThiscourse willintroduce commonaffixes inprofessional English,including prefixes andsuffixes,as wellas their roles inword formation.By studyingthis course,students willbe ableto understandand applythese affixes,improving theirability toread and understand professional English literature.Learning objectivesMasterthe commonprefixesandsuffixesinprofessional English,andunderstandtheirrolesinword formation.Learn touse theseaffixes toinfer the meaning ofnew words andimprove readingefficiency.Cultivate studentsinterest andenthusiasm forlearningprofessionalEnglish,laying afoundation forfurtherprofessional learning.CHAPTER02Overview of affixes inprofessionalEnglishDefinition of affixesAffix:Refers toa morphemeAffixes cannotexist Themeaning ofaffixes isattached to the root ofa word,independently andmust beattached to therootofaword,representing variousmeanings.attachedto their roots.so thereis aclose connectionbetweenthe meaning of affixesandthe meaningof theroot.Classification ofaffixesPrefix SuffixMiddle affixesAnaffix addedbefore thean affixadded aftera rootaffixes addedin themiddle ofrootofaword.For example,word.For example,-ness roots.For example,-lessun-not,re-again,in-property,-tion behavior,no,-full full,etc.not,etc.-ity property,etc.The roleof affixesGrammarfunctionaffixes can change thegrammatical functionof words,suchas tense,voice,tone,etc.Semantic functionaffixes canchangethe semanticsof words,such asindicating negation,opposite meaning,degree,etc.Word formationfunctionaffixes canbe used to formnewwords,such asunhappiness,friendliness,etc.CHAPTER03Common prefixesinprofessional EnglishDisprefixSummary word01indicates negativeor opposite meaningDetailed description02The disprefix is usually used to indicate negation ortheopposite meaningof theoriginal word,forexample,disable meansincapacitate,disappearmeans disappear.Example vocabulary03disbelieve,disagree,disappearRe prefixSummary wordsindicate repetition,repetition,or reiterationDetaileddescriptionThe reprefix is commonly used to indicaterepetition,repetition,or reconstruction,for example,rebuildmeans rebuild,rewrite meansrewrite.Example vocabularyrebuild,return,rewriteUn prefixSummarywordindicates negativeor oppositemeaningDetailed descriptionTheun prefixis usuallyused toindicatenegationor theoppositemeaningof theoriginalword,for example,unlock meansunlock,unknown meansunknown.Example vocabularyunlock,unhappy,unknownAnti prefixSummaryExpressingopposition orresistanceDetailed descriptionTheanti prefixiscommonlyusedtoindicate oppositionorresistance,such asantifreeze forantifreeze andantibodyfor antibody.Example vocabularyAntifreeze,Antinote,AntibodyAuto prefixSummaryword DetailedExampledescription vocabularyindicatesautomatic orself Theauto prefixisusuallyautobiography,automatic,usedtoindicate automaticautonomousorself,for example,autobiography meansautobiographyandautomatic meansautomatic.CHAPTER04Common suffixesinprofessionalEnglish-Ness suffixSummarywords:indicate a state,property,or characteristicInprofessionalEnglish,-ness isa commonsuffix commonlyusedto convert adjectivesinto nouns,indicating acertainstate,property,or characteristic.For example,happiness representsastateof happiness,and kindnessrepresentsthe qualityof kindness.-Ity suffixSummarywords Detailed descriptionindicate thenature,state,or degree-ity isa commonsuffix usedtoconvert adjectivesor verbs intoVS nouns,indicating acertain property,state,or degree.For example,possibility representspossibility,andactivity representsactivity status.-ISM suffixSummaryDetailed descriptionExpressingfaith,doctrine,or behavior-ism isa commonsuffix usedtoconvert adjectivesor nounsinto nouns,indicating acertain belief,doctrine,orbehavior.For example,capitalismrepresents capitalistfaith,and criticismrepresentscritical behavior.-Er suffixSummarywordRefers toa personor toolDetaileddescription-er isa commonsuffix usedto convertverbsintonouns,indicating thepersonor toolperforming theaction.For example,teacher representsteachingprofession,and cookierepresents cookware.-Suffix tion要点一要点二SummarywordsDetaileddescriptionindicatebehavior,process,or result-tion isa commonsuffix usedtoconvertverbs intonouns,indicating acertain behavior,process,orresult.For example,production representstheproduction behavioror outcome,and attentionrepresentsthe processof concentration.CHAPTER05Memory andapplicationof professionalEnglishaffixesAffix memorymethod要点一要点二要点三Classifying AssociativeContextualmemory memorymemoryClassify affixes according totheir associatingaffixes withrelated Putaffixes intospecific contextsfunctions,such asthe prefixin-words orconcepts toaid memory,to memorize,for example,byor un-indicatingnegation,and such as bio-representing life,reading Englishliterature orthesuffix-less indicatingbiology,photo-representing professionalarticles,understandantonymy,in orderto facilitatelight,photo,etc.and rememberthemeaningandsystematic memory.usage ofaffixesinthe context.Techniques forusing affixesAccuratelyunderstanding themeaningof affixesWhen usingaffixes,it isimportant toaccurately understandtheir meaningandusage to avoid misuseor confusion.Pay attentiontothepart of speech ofaffixesaffixes with different parts ofspeech have different uses andmeanings,and becarefulto distinguishwhen using them.Flexible useofaffixesWhen forming words,affixescanbe flexiblyused asneeded tocreatevocabulary thatmeets theexpression needs.Common ErrorAnalysisConfusing affixesIgnoring partof Inappropriatespeechdifferences vocabularycreationSomeaffixes havesimilar affixeswithdifferentpartsofWhenformingwords,it ismeaningsand areeasily confused,speechhavedifferentusesand important to followEnglish wordsoit isimportanttodistinguish meanings.When usingthem,formation rulesand habitstothem whenusingthem.attention shouldbe paidtoavoidcreating non-standard ordistinguishingand avoidingambiguous words.confusion.CHAPTER06Expanding Learningofaffixes inProfessionalEnglishRecommendation oflearning resourcesEnglishdictionaries,such asthe OxfordAdvanced01Dictionary andCollins AdvancedEnglish Dictionary,contain alarge numberof definitionsand usage ofprofessional English affixes.Online learning platforms such as Duolingo,02Coursera,etc.offer courseson professionalEnglishaffixes,suitable forbeginners andadvanced learners.Professional Englishbooks such as Professional03English Lexicologyand ProfessionalEnglishReading andWriting systematicallyintroduce theusageand techniquesof professionalEnglish affixes.Sharing oflearning methodsClassifyingContext Repeatedreviewmemory applicationClassifyingprofessionalEnglishUnderstanding theusageofRegularly reviewlearned affixes,affixesaccordingtotheirfunction affixesthrough examplesentences consolidatememory,andand meaning,suchasaffixes thatand actualcontext helpsto bettercontinuously expandnew affixestoindicate negation,degree,etc.,grasp thesemantic andpragmatic formlong-term memory.can helpdeepen memoryand characteristicsofaffixes.understanding.Evaluation oflearning outcomesVocabularytesting ReadingWriting exercisescomprehensionTotest themastery ofEvaluate theunderstanding andUse writingexercises totest yourprofessionalEnglish affixesapplication abilityof professionalmastery ofprofessional Englishthroughvocabulary testing,English affixesby readingEnglishaffixes,suchaswriting Englishonlinelearningplatformssuchasliterature,academic papers,and emails,academic papers,etc.,andQuizlet providerich vocabularyother materials.pay attentionto grammarandtesting resources.spelling errors.THANKSFORWATCHING感谢您的观看。