exercise+page_student+keys+for+3+paragraph+construction

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1、北京航空航天大学学术写作课作业班级：2011AW姓名：_________学号：___________总分：_________作业名称：________________________________Exercise1Recognizetopicsentences.Rememberthatatopicsentenceisacompletesentenceandisneithertoogeneralnortoospecific.WritebestTS(for"besttopicsentence"),toogeneral,toospecific,orincompleteonth

2、elinesnexttothem.Group1_BestTS_a.Itishardtoknowwhichfoodsaresafetoeatnowadays._Toospecific_b.Insomelargeoceanfish,therearehighlevelsofmercury._Toospecific__c.UndercookedchickenandhamburgermaycarryE.colibacteria._incomplete_d.Nottomentionmadcowdisease._Toogeneral_e.Foodsafetyisanimportanti

3、ssue.Group2__incomplete__a.Hybridautomobilesmoreeconomicaltooperatethangasoline-poweredcars.__toogeneral_b.Thenewhybridautomobilesareverypopular.__toospecific_c.Hybridcarshavegoodfueleconomybecauseacomputerunderthehooddecidestoruntheelectricmotor,thesmallgasolineengine,orthetwotogether.__

4、BestTS_d.Thenewhybridautomobilesarepopularbecauseoftheirfueleconomy.Group3__Toospecific_a.TheNorthAmericanCatawbaIndiansoftheSoutheastandtheTlingitoftheNorthwestbothseetherainbowasakindofbridgebetweenheavenandearth.___Toospecific__b.Arainbowseenfromanairplaneisacompletecircle._bestTS__c.M

5、anyculturesinterpretrainbowsinpositiveways.__toogeneral_d.Rainbowsarebeautiful.__incomplete__e.Thebeliefthatyoucanfindapotofgoldatarainbow'send.Exercise2Rememberthatthetopicsentenceisthemostgeneralstatementinaparagraph.Readthefollowingscrambledparagraphsanddecidewhichsentenceisthetopicsen

6、tence.WriteTSonthelinenexttothatsentence.Paragraph1__a.Anotherimportantchangewasthatpeoplehadthefreedomtoliveandworkwherevertheywanted.__b.Theearliestsignificantchangewasforfarmingfamilies,whowerenolongerisolated.__c.Thefinalmajorchangebroughtbytheautomobilewasthebuildingofsuperhighways,s

7、uburbs,hugeshoppingcenters,andthemeparkssuchasDisneyWorldinFlorida._TSd.TheautomobilerevolutionizedthewayoflifeintheUnitedStates.__e.Theautomobileenabledthemtodrivetotownsandcitiescomfortablyandconveniently.__f.Infact,peoplecouldworkinabusymetropolitancityanddriveho