对比选择型议论文写作训练

LectureEleven对比选择型议论文写作训练LearningObjective•＊Evaluatetwopointsofviewandsaywhichoneyouagreewith.•＊Practicewritinganintroduction,bodyparagraphandaconclusion.•＊Topic:mobilephone•要求从正反两方面对某一事物加以论述。这类议论文有其固定的模式，如就某一事物或现象给出两种完全对立的观点，然后再摆出自己的看法；或是先说明某一事物的重要性，积极因素，然后再说明该事物的危害性、消极因素等。对比选择型(正反两点论式)议论文ArgumentationTopic:•Somepeoplesaythatmobilephonesrepresentadangertousersbecauseofthepossiblehealthissues,suchascancerorbraindamage,associatedwiththem.Otherssaythatmobilephonesareagreatbenefittomankind.•Evaluatethesetwoviewpointsandgiveyourownopinion.GroupDiscussion•Whataresomeofthepossiblehealthrisksfromusingmobilephone?•Whataresomeofthebenefitsofusingmobilephones?Makealistofthesewithyourpartner.Model1•ReadModel1andcheckifthewritermentionedthesamebenefitsthatthoughtof.Whatisthewriter’soverallopinionaboutmobilephoneuse?Paragraph1•Mobilephonesarebecomingincreasinglypopularnowadays,andthenumberofpeopleusingthemhasgrownhugely,especiallyindevelopingcountries.Thereissomedebateaboutthesafetyofmobilephones,butinmyopinion,thebenefitsfromthesephonesarefargreaterthananypossiblehealthrisks.•Thereissomeconcernthatmobilephonesmaycausebraindamageorcancerbecauseoftheradiationtheyemitwhiletheyarebeingused.Somepeoplearealsoworriedthatcellphoneownersmaybebadforhealth.However,researchershaveconductedexperimentsovermanyyearstofindoutifthisistrue,andsofartheyhavefoundnoevidenceforthis.Paragraph2•Ontheotherhand,mobilephoneshavemanybenefits.Theyhelpindividualstocommunicatequicklyandeasily,andtheycanbeusedbothforsocialreasonsandinemergencies.Forexample,peoplecanusethemtocontacttheirfriends.Theyarealsousefulifsomeonehasanaccidentwhiledriving.Inaddition,isolatedcommunitieswhichdonothavelandlinescanusemobilephonestocontacttheoutsideworld,andthisismuchcheaperthaninstallinglandlinephones.Paragraph3•Inconclusion,althoughsomepeopleareworriedaboutthehealthrisksofcellphones,thereislittleornoevidenceforthis.However,thereisalotofevidenceforthebenefitsofcellphones,soinmyopinionweshouldnotworryaboutthedangersofcellphoneuse.Paragraph4•FillinthegapswithwordsfromthewordlistPracticeI•A.debateB.riskC.radiationD.emit•E.researchF.towerG.evidenceH.isolated•I.landlineJ.installK.chatL.destination•M.directionsN.concentrate•O.conductP.emergency•1.Cellphonesandcellphoneemit,andthereisaaboutwhetherthisisdangerousforhumanhealth.Scientistsareaboutthehealthofmobilephones.However,sofartheyhavefoundnothattheradiationthatcellphonesposesahealthriskforhumans.•A.debateB.riskC.radiationD.emit•E.researchF.towerG.evidenceH.isolated•I.landlineJ.installK.chatL.destination•M.directionsN.concentrate•O.conductP.emergency•1.Cellphonesandcellphonetowersemitradiation,andthereisadebateaboutwhetherthisisdangerousforhumanhealth.Scientistsareconductingresearchaboutthehealthrisksofmobilephones.However,sofartheyhavefoundnoevidencethattheradiationthatcellphonesemitposesahealthriskforhumans.•A.debateB.riskC.radiationD.emit•E.researchF.towerG.evidenceH.isolated•I.landlineJ.installK.chatL.destination•M.directionsN.concentrate•O.conductP.emergency•2.Cellphoneshavemanybenefitsforpeopleincommunities,becausephonesisveryexpensive,andcellphonesallowcommunicationwithouttheneedforlandlinephones.•A.debateB.riskC.radiationD.emit•E.researchF.towerG.evidenceH.isolated•I.landlineJ.installK.chatL.destination•M.directionsN.concentrate•O.conductP.emergency•2.Cellphoneshavemanybenefitsforpeopleinisolatedcommunities,becauseinstallinglandlinephonesisveryexpensive,andcellphonesallowcommunicationwithouttheneedforlandlinephones.•A.debateB.riskC.radiationD.emit•E.researchF.towerG.evidenceH.isolated•I.landlineJ.installK.chatL.destination•M.directionsN.concentrate•O.conductP.emergency•3.Cellphonesshouldnotbeusedwhiledriving,becausedriverscanloseiftheyareandthiscanbedangerous.However,theyareveryusefulinandalsotohelppeopletogetfortheiriftheyarelost.•A.debateB.riskC.radiationD.emit•E.researchF.towerG.evidenceH.isolated•I.landlineJ.installK.chatL.destination•M.directionsN.concentrate•O.conductP.emergency•3.Cellphonesshouldnotbeusedwhiledriving,becausedriverscanloseconcentrationiftheyarechattingandthiscanbedangerous.However,theyareveryusefulinemergenciesandalsotohelppeopletogetdirectionsfortheirdestinationiftheyarelost.PracticeII•Puttheverbsinbracketintothecorrecttense.Add‘while’tothesentence.Omitthesubjectand‘be’verbfromthecontinuousaction.(Someverbsarepassive.)•Example•(drive)towork—manypeople(waste)timeintrafficcongestion•Whiledrivingtowork,manypeoplewastetimeintrafficcongestion.•1.manypeople(have)accidents—(drive)towork.•2.chattingonacellphone(drive)—(be)dangerous•3.it(be)sensibletotakeprecautions–(use)acellphone•4.people(expose)toradiation—(use)acellphone•5.talking(drive)—(leadto)lossofconcentration•6.cellphone(emit)radiation—they(use)•7.Youshould(avoid)drinkingalcohol—(drive)•1.manypeople(have)accidents—(drive)towork.•Manypeoplehaveaccidentswhiledrivingtowork.•2.chattingonacellphone(drive)—(be)dangerous•Chattingonacellphonewhiledrivingisdangerous•3.it(be)sensibletotakeprecautions–(use)acellphone•Itissensibletotakeprecautionsw