28阅读理解（四）【教学目标】让学生熟知阅读理解七选五题型，了解完七选五命题目的，掌握七选五答题技巧。【重点难点】让学生掌握阅读理解七选五解题技巧和步骤，提高做七选五题目的能力。【命题目的】主要是考查考生的概括，归纳，比较和逻辑推理能力。本题型要求考生在理解全文的基础上对文章中未做明确交代的细节，段落主旨，作者态度等方面进行高度概括和判断。而且对整篇文章进行深层理解。对阅读理解七选五的考查主要集中在以下两个方面：1.考查考生把握文章结构的把握能力。2.根据上下文进行逻辑推理的能力。【真题例析】根据下面短文内容，选择最佳答案。Yourbraincontrolseverythingyoudo.Itmakesitpossibleforyoutothink,learn,createandfeel;toblink(眨眼)andbreatheandforyourhearttobeat—thisfantasticcontrolcenterisyourbrain.1.______Canthissmallgreyorgan(器官)，whichweighslessthanoneandahalfkilos,reallydosomuch?Amazingly,yourbraincontainsabout100billionneurons(神经元）—itwouldtakeyouover3,000yearstocountthemall.2.______Yourneuronscreateandsendmoremessagesthanallthephonesintheworld.Andalthoughoneneuroncreatesonlyalittleelectricity,allyourneuronstogethercanproduceenoughelectricitytopoweralightbulb(灯泡).Soexactlyhowfastdoesyourbrainwork?3.______Neuronsinyourskinsendthisinformationtoyourbrainataspeedofmorethan240kilometersperhour.Yourbrainthenusesotherneuronstosendthemessagebacktoyourfoottoshakethebeeoffquickly.4.______Nocomputerhasyourbrain’sunbelievableabilitytodealwiththeamountofinformationcomingfromyoureyes,earsandothersensoryorgans.Buthowdoesyourbrainallowyoutolearnthingsthatyouwilluseinthefuture?Thestructure(结构)ofyourbrainchangeseverytimeyouhaveanewthought,rememberorlearnsomething.5.______How?Asyoupractice,yourbrainsends“bikeriding”messagesagainandagain.Soon,theactionsarelearntandyouareabletorideabikeeasilyfromthenon.A.Well,imaginethis:abeelandsonyourfoot.B.Therefore,itisnotsurprisingtoseethatsomebodywithaverageintelligence(智力)canhaveexcellentperformancesinsomefields.C.Believeitornot,theactivityinyourbrainneverstops.D.Itissoamazingthatafamousscientistoncecalledit“themostcomplex(复杂)thingwehaveyetdiscoveredinouruniverse”.E.Thebrainisthebossofthebody．F.Theseneuronscansendthisinformationatmorethan320kilometersperhour.G.Forexample,ridingabikeseemsimpossibleatfirst,butsoonyouareabletodoit.参考答案:1.D【解析】根据本段首句“Yourbraincontrolseverythingyoudo.”可知本段与人脑神奇的功能相关。结合备选项可知D项与前句衔接，故选D。2.C【解析】根据前句“Amazingly,yourbraincontainsabout100billionneurons(神经元）...”及后面涉及到的“神经系统传递的信息量之大”可知人脑不停地在运作，故选C。3.A【解析】根据前句的问题“Soexactlyhowfastdoesyourbrainwork?”及后句“人脑通过其他的神经元给脚部传输信息，然后快速地把蜜蜂赶走”可知此处以蜜蜂趴在人的脚上为例来证实人脑的工作速度有多快。结合备选项可知A项与后句衔接，故选A。4.F【解析】根据后句“Nocomputerhasyourbrainsunbelievableabilitytodealwith...”可知本句与传输信息的能力相关。结合备选项可知F项与后句衔接，故选F。5.G【解析】根据后句“Asyoupractice,yourbrainsends‘bikeriding’messagesagainandagain.可知本句与骑自行车相关。结合备选项可知G项与后文衔接，故选G。【答题技巧】解题策略：总的原则:“分析篇章结构，把握全篇文脉是阅读填空题解题的关键”。（1）越过空格，通读全文，了解大意。（2）通读选项，抓住其关键词语，明确各选项的大致意思。（3）回到空格处，根据空格在段落中的位置判断设空类型。（主旨；过渡；细节）（4）定位选项。根据文章整体结构与具体内容，将选项填入文中。（5）确定排除，研究多余选...
