雅思阅读配对题.ppt

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1、第八讲：雅思阅读配对题一、形式：三部分组成题目要求、选相的集合、题目的集合二、特点：难以捉摸大多数是细节信息（段落配信息题除外）乱序分布三、分类配对一方是特殊定位词配对双方是长句子段落配信息四、基本解题步骤识别配对的双方的类型以及各自的数量决定先定位哪一方通读配对另一方，划出全部定位词，逐段进行配对1.配对一方是特殊定位词方法：A迅速浏览定位词，在文中划出，没有出现定位词的段落一律不考虑。B通读配对题的另一方，划出定位词，逐段配对。例题：剑一T2P1Q1-7A　Whydohumans,virtuallyaloneamongallanimalspecies,display

2、adistinctleftorrighthandedness?Notevenourclosestrelativesamongtheapespossesssuchdecidedlateralasymmetry,aspsychologistscallit.Yetabout90percentofeveryhumanpopulationthathaseverlivedappearstohavebeenright-handed.ProfessorBryanTurneratDeacon Universityhasstudiedtheresearchliteratureonleft-

3、handednessandfoundthathandednessgoeswithsidedness.Sonineoutoftenpeopleareright-handedandeightareright-footed.Henotedthatthisdistinctiveasymmetryinthehumanpopulationisitselfsystematic.Humansthinkincategories:blackandwhite,upanddown,leftandright.It'sasystemofsignsthatenablesustocategoriesp

4、henomenathatareessentiallyambiguous.BResearchhasshownthatthereisgeneticorinheritedelementtohandedness.Butwhileleft-handednesstendstoruninfamilies,neitherleftnorrighthandlerswillautomaticallyproduceoff-springwiththesamehandedness;infactabout6percentofchildrenwithtworight-handedparentswill

5、beleft-handed.However,amongtwoleft-handedparents,perhaps40percentofthechildrenwillalsobeleft-handed.Withonerightandoneleft-handedparent,15to20percentoftheoffspringwillbeleft-handed.Evenamongidenticaltwinswhohaveexactlythesamegenes,oneinsixpairswilldifferintheirhandedness.CWhatthenmakespe

6、opleleft-handedifitisnotsimplygenetic?Otherfactorsmustbeatworkandresearchershaveturnedtothebrainforclues.Inthe 1860stheFrenchsurgeonandanthropologist,DrPaulBoca,madetheremarkablefindingthatpatientswhohadlosttheirpowersofspeechasaresultofastroke(abloodclotinthebrain)hadparalysisoftheright

7、halfoftheirbody.Henotedthatsincethelefthemisphereofthebraincontrolstherighthalfofthebody,andviceversa,thebraindamagemusthavebeeninthebrain'slefthemisphere,Psychologistsnowbelievethatamongrighthandedpeople,probably95percenthavetheirlanguagecentreinthelefthemisphere,while5p