高中英语Unit7 New Waves of Technology PPT2 (精品)-豆柴文库

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UNIT7SECTION2课件NOUNSANDTHEUSEOFTHE<II>
Inthelastunit,wediscussedtheuseofthebeforepropernouns.Now,let’slookatsomemoretypesofnounsandtheuseofarticles<a;an;the>beforethem
1Usingthebeforeabstractnouns
Abstractnounsarethenamesofthingsyoucantvisualize.Theyareusuallythenamesofaconditionorquality,suchasrealibility;attention;andknowledge.Inotherwordsyoucantformapictureofthesewordswithoutattachingthemtosomepersonalexperienceofyourown.Anounisusuallyabstractifitendsinoneofthesesuffixes:tion;ism;ity;ment;ness;age;ance/ence;ship;andability.Ingeneral,whenanabstractnounisusedtorepresentageneral,abstractideaorconcept,noarticleshouldbeusedbeforeit.Examples:
Friedshipisbasedonsharedinterests.
Knowledgeispower.
However,whenaabstractnounisusedtomeansomethingspecific<whichisusuallymodified>ratherthanageneralidea,weshouldusethe.comparethefollowingpairsofsentences:
AOurEnglishteacherhasastrongsenseofhumour.
BWecancatchthehumourinthe“FunoftheUnit”
AGoodadviceispriceless.
BDannyrefusedtoaccepttheadvice.AAtthattime,Francewasontheverageofrevolution.
BTheFrenchRevolutionchangedthecourseofEuropeanhistory.
Pleasenotethatsometimeswecanusea/anbeforeanabstractnounwhichreferstosomespecificaction,person,thing,orsomethingthatcausessomereaction.Examples:
It’sapleasuretotalkwithyouaboutgrammar.
Mathildewasasuccessatthepartythatevening.
Dannywasadisppointanttohimselfwhenhefailedhistestagain.
2Usingthebeforematerialnouns
Amaterialnounisthenameofasubstance.Forexample:MissJohnsonhasabaginherhand.Thebagismadeofcloth.
WhichmaterialisusedtomakeMissJohnson’sbag?
ThematerialusedtomakeMissJohnson’sbagiscloth.
So,clothisamaterialnoun.
Wordssuchaswater;milk;snow;steel;andironarematerialnouns.Ingeneral,noarticleisusedbeforeamaterialnounwhenthenounrepresentsageneralideaorconcept.Forexample:
Waterboilsat100degreescentigrate.
Butwhenitisusedtorefertosomethingspecific,theshouldbeused.
Weenjoylisteningtothesoundofthewaterpouringdownonthemetalroof.
NOWCOMPARETHEFOLLOWINGPAIRSOFSENTENCES:
AHeavyrainisexpectedthissummer
BHee