简析雅思阅读中的判断题.doc

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1、.简析雅思阅读中的判断题朗阁海外考试研究中心祝丹霞判断题一直被归为雅思阅读题型中的简单题，主要基于该题型有两个特点。第一：该题型大部分是有序的（除剑十有例外）；第二：该题型定位词明显不太容易被替换。但是，就笔者在教学过程当中发现，该题型的准确率却不是很高。这样的矛盾引起了我的兴趣，本篇文章将从判断题的做题步骤，判断题易错点，以及判断题的做题方法三个方向切入，希望对考生有帮助。判断题的呈现形式一般是TRUE/FALSE/NOTGIVEN,或者YES/NO/NOTGIVEN。两者的区别在于前者是问到的题目所给的句子是否agreewiththeinf

2、ormationgiveninthepassage，而后者的选择标准则是题目中包含的句子是否agreewiththeviewsofthewriter，但是两者是没有本质区别的。所以我们选择剑五当中的一篇文章来进行做题步骤的分析。剑桥真题分析TheEffectsofLightonPlantandAnimalSpeciesLightisimportanttoorganismsfortwodifferentreasons.Firstly,itisusedasacueforthetimingofdailyandseasonalrhythmsinboth

3、planeandanimals,andsecondlyitisusedtoassistgrowthinplants.Breedinginmostorganismsoccursduringapartoftheyearonly,andsoareliablecueisneededtotriggerbreedingbehavior.Daylengthisanexcellentcue,becauseitprovidesaperfectlypredictablepatternofchangewithintheyear.Inthetemperatezonei

4、nspring,temperaturesfluctuategreatlyfromdaytoday,butdaylengthincreasessteadilybyapredictableamount.Theseasonalimpactofdaylengthonphysiologicalresponsesiscalledphotoperiodism,andtheamountofexperimentalevidenceforthisphenomenonisconsiderable.Forexample,somespeciesofbirds'breed

5、ingcanbeinducedeveninmidwintersimplybyincreasingdaylengthartificially(Wolfson1964).Otherexamplesofphotoperiodismoccurinplants.Ashort-dayplantflowerswhenthedayislessthanacertaincriticallength.Along-dayplantflowersafteracertaincriticaldaylengthisexceeded.Inbothcasesthe..critic

6、aldaylengthdiffersfromspeciestospecies.Planewhichflowerafteraperiodofvegetativegrowth,regardlessofphotoperiod,areknownasday-neutralplants.Breedingseasonsinanimalssuchasbirdshaveevolvedtooccupythepartoftheyearinwhichoffspringhavethegreatestchancesofsurvival.Beforethebreedings

7、easonbegins,foodreservesmustbebuiltuptosupporttheenergycostofreproduction,andtoprovideforyoungbirdsbothwhentheyareinthenestandafterfledging.Thusmanytemperate-zonebirdsusetheincreasingdaylengthsinspringasacuetobeginthenestingcycle,becausethisisapointwhenadequatefoodresourcesw

8、illbeassured.Theadaptivesignificanceofphotoperiodisminplaneisalsoclear.Shor