例析事物说明文阅读技巧与二次开发

例析事物说明文阅读技巧与二次开发教学设计一、教材分析：本文是2017年全国高考I卷D篇阅读。是一篇事物说明文。文章围绕Abuild-it-yourselfsolarstill展开，介绍了该装置的用途、构造、原理的相关信息。从全文理解来看，文本框架清晰，步骤描述清楚。从字面看，词汇量并不大，单句易懂，但想要深入解读字面背后所蕴含的内涵、逻辑关系以及不同抽象的工作原理确是要细心琢磨的。二、教学目标：经过本节课的学习，学生能够：深入理解文本主要内容，理清文本内在的逻辑关系；2.了解事物说明文的文体特点，体会说明文的设题特点，阅读的技巧及解题的技巧。3.重点突破以举例说明作为支撑信息来有力表达重点的方法，并能在实际表达和微写作中加以应用；4.拓展思维，把抽象的设备通过自制图标形式展示并进行解释。5.学习事物说明文的二次开发，结合语法填空的设题方式，学会为目标文档进行语法填空的设置，以便达到材料的二次利用。同时，在知识输出环节中通过写一篇目标作文达到以读促写的目的。三、教学思路说明：教师通过提问方式导入，引导学生思考平时惧怕做事物说明文的原因，激发对本篇文章话题的兴趣。列出历年来高考题设置中说明文的设题概率，引起重视。通过阅读目标文本，分析本文作为事物说明文的特征并带领学生理解文本大致内容。然后引导学生进一步深入分析篇章，确保学生能归纳出每一段的段落大意。在教师引导下一起勾勒出自制蒸馏器的结构图，让抽象的东西具体化。在对全文进行较为深入解读后，水到渠成得出整篇文章结构图。接着引导解答相关的问题，归纳说明文的解题步骤与技巧。所有的问题得到解答后，让学生对说明文的文本进行语法填空的挖空设计并解释设空的目的，突出考查的点以此检测学生的文章语法点的把控。并达到材料的二次利用。接着进行的是词汇和长难句的归纳与整理，达到知识的消化、吸收与积累。在知识输出环节，主要运用一篇写作任务完成对知识的进一步考查和理解运用。教学步骤：TeachingProceduresTeachingActivityPurposeStepIWarm-up&lead-inAskthestudentsthefollowingquestiontoleadin.Q:What’syourimpressiononthepassageCorDinReadingComprehension?Explainwhatexpositionis,includingpurpose,subjectandsoon.AnalyzeandsortouttheexpositionsappearedintheCollegeEntranceExamination.Listthetargetpassageandaskthestudentstoreaditquickly.1.Toarousethestudents’interestandattractthemtofocusontheclass.2.Tohaveaclearunderstandingoftheexposition.StepIIFastreadingStudents’readthepassagequickly,andfindthemainideaofeachparagraph.Askanindividualtodrawapictureofthestillaccordingtotheconstrutingprocedures.Studentscanhaveacompetitiontoseewhodrawsbest.Totrainthestudents’abilityofconclusionbylistingthemainideaofeachparagraphandtohaveafurtherunderstandingofthestruction.Tosimplifythewholepassageandmaketheabstractintroductionmoreconcrete.StepIIIAnalysisAskthestudentstochecktheanswersofthefourquestionsgiven.Explaintheoptionsifpossible.Guidethestudentstoconcludethesettingpatternofeachquestions.Somearedetailunderstandingandothersarejudgementalreasoning.Analyzeandfindoutthecorrespondingwaytosolvetheproblem.Basicway:Detailunderstandingpattern:identify-locate-matchJudgementalreasoning:identify-locateselect-infer3.Concludethestrategiesofsolvingtheproblems.Tochecktheanswer.Learntotellthedifferenceofproblemsettting.Toanalyzeandfindoutthecorrespondingwaytosolvetheproblem.StepIVSecondarydevelopmentGuidethestudenttothinkaboutthebasicrulesonsettingprinciplesofgrammaticalfilling.Letthestudentsvoicetheirideasonfillingsettings.Pointoutthegoodpoints.Pointoutthekeylanguagepoints.Tofigureoutthelonganddifficultsentencesbyaskingsomeindividualstoanswerandexplain.Guidethestudentstofinishthetargetwriting.Tohavethestudentsfurtherunderstandthewaysoffillingsettings.Tohavethestudentssharetheirownideas.Tomakefulluseofthematerialforsecondarydevelopment.Tocultivatethestuents’abilityofcomprehensiveunderstanding.Tocultivatetheabilityofwritingbymakingfulluseofreading