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ID:1312734
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时间:2017-11-10
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1、ChapterTwoTopicSentenceIPartsofatopicsentenceStructurally,thetopicsentenceiscomposedoftwoparts:thetopicandthecontrollingidea.Thetopiciswhataparagraphisabout,orwhataparagraphdiscusses;thecontrollingideaiswhatthewriterintendstocommunicateaboutthetopic.Inotherwor
2、d,controllingideaisusedtolimitthetopic.IIWhatisagoodtopicsentence?Agoodtopicsentenceisneithertoogeneralnortoospecific.Example1:InHemingway'sstory“Soldier’sHome”,KrebtellshismotherthathewantsnopartofGod'sKingdom.这个句子太具体以至于无东西可写,无法展开段落。Example2:Letmetellyousomet
3、hingaboutoverpopulation.这个句子太笼统,作为一个段落的主题太大,难于驾驭。Example3:Whyhastheworldpopulationbeenincreasingsorapidlyinthelastdecades?这个句子是个较好的主题句,作者用“thereasonsforoverpopulationinthelastdecades”,从“原因”(cause)和“时间”(time)两方面限制了主题,能在一个段落内论述。Exercise:Examinethefollowingtopics
4、entences,italicizethetopicandunderlinethecontrollingideainthefollowingsentences.:1.Whenyoubuyacar,examinecarefullytheimportantfeatureofthemodelyouareconsidering.2.Theadolescenthadthreepsychologicalproblems.3.Mygrandparentsstillfollowmanyoftheirnationalcustoms.
5、4.Thistermseveralusefulandinterestingcourseshavebeenoffered.Key1.Whenyoubuyacar,examinecarefullytheimportantfeatureofthemodelyouareconsidering.2.Theadolescenthadthreepsychologicalproblems.3.Mygrandparentsstillfollowmanyoftheirnationalcustoms.4.Thistermseveralu
6、sefulandinterestingcourseshavebeenoffered.IIIFunctionsoftopicsentencesSeveralpointstobeclearaboutthefunctionsoftopicsentence:1)Ittellsreaderswhattheparagraphisabout.2)Itdisplaysthewriter’sviewpoint,andalldetailsinothersentencesshouldbearoundthisviewpoint.3)Itt
7、ellsreaderswhattheycananticipatefromthisparagraphbyincludingthecontrollingidea.4)Amongallthesentencesintheparagraph,thetopicsentenceisthemostgeneralized.*Lookatthefollowingtopicsentencesanddecidewhatyoucanexpectfromeachsentence?(Maketopicwordsred,controlling
8、ideablue)Example1Bluejeans,nowpopulararoundtheworld,weredevelopedbyaGerman-bornJewnamedLeviStrauss.(Fromthisparagraph,thereaderissupposedtoknowhowbluejeansweredeveloped.)Example2Be
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