GRE]论证精选真题范文

" Question No. 22 "

The brief passage :

arecentlyissuedtwenty-yearstudyonheadachessufferedbytheresidentsofmentiainvestigatedthepossibletherapeuticeffecofconsuminsumingsgssgsstinted bersofthesamechemicalfamilyasaspirin、amedicineusedtotreatheadaches.althoughmanyfoodsarenaturallyrichinsalicylates、 food-processingcompaniesalsoaddsalicylatestofoodsaspreservatives.the twenty-yearstudyfoundacorrelationbetwentheriseriseinthe lineintheaveragenumberofheadachesreportedbystudyparticipants.atthetimewhenthesthestudyconcluded， food-processingcompanieshadjustdiscoveredthatsalicylatescanalsobeusedasflavoraddditivesforfods，and，as a result， manycompaniesplantodoso.basedonthesestudyresults，somehealthexpertspredictthatresidentsofmentiawillsuferevenfewerheadaches

The instruction :

writearesponseinwhichyoudiscusswhatquestionswouldneedtobeansweredinordertodecidewhetherthepredictionandtheargumentonwhichiti sbbsbonti toexplainhowtheanswerstothesequestionswouldhelptoevaluatetheprediction。

读了brief passage后立即判断：全文所述的conclusion :为prediction:residentsofmentiawillsufferevenferheadachesinthefuture。

Introduction近似body(4 (以四个点为例) )。

首先，提问theimmediatequestioniswhethersalicylateshavethemedicinalpropertiesthataspirinhas .同时，简单分析一下， 引导对原文逻辑不利的答案althoughtheyareinthesamechemicalfamilyasaspirin、 theymayhavecompletelydifferentmedicinalproperties .然后，明确地(以不利于原文逻辑的回答)回答问题 That is to say，aspirin may treat headaches，burin

首先，提问(但不一定是问句的形式) afurtherquestioniswhetherornottheresultofthestudyisvalid .然后，(以不利于原文逻辑的回答)回答问题( In fact，ttornottthesulid 解释回答背后的逻辑theremaybeflawsinthedesignofthestudy.for example，the data collected， the number of headaches duringthestudymaybeinconsistentwithenumberofheadachesthatactuallyhappened， becausethecollectiondependsontheresidents’repoosidents whichmaybeinaccurate.theinvalidresultwouldrendertheallegedeclinte

与前面的讨论相关 Even if the decline is true、 thecorrelationthatthestudyhasfoundisalsodubious .首先，提问thequestioniswhetherthereareotherfactorscontributingtothedeclineious 【用不利于原文逻辑的回答】回答问题 As a matter of fact、 与otherfactorsarehighlylikelysincethestudyspansatwenty-year period .同时，说明答案背后的逻辑 During the twenty years、 mentiaresidents’lifestyleordietarystructuremighthavechanged，anditmaynotbetheincreasedcommercialuseofsalicylatesbutesbutthosechated

首先，提问anotherquestioniswhetherornotsalicylateswill，whentheyareusedasflavoradditives， losetheirmedicinalpropertiesthatareusefulintreatingheadaches .以及， “以不利于原文逻辑的回答”回答问题in fact salicylatesasflavoradditivesmaybeuselessintreatingheadaches .同时， 解释回答背后的逻辑whensalicylatesareaddedasfoodpreservatives，theirtherapeuticpropertiesintreatingheadachesmayberetained； however，whentheyareusedasflavoradditives，theprocessingmaydeprivethemoftheproperties.conclusion