《宿新市徐公店》教案(1)

andperformancetestcopiesoftherecord.Ifnecessary,reviewshouldbecarriedout;4)forspringhangers(includedsimplespring,hangersandconstantsupporthangers)itshouldalsoberecognizedassettingandlockingofloads.5)checkthesurfacequality,foldedlayeringandwithoutcracks,rustandotherdefects.5)aftercompletionofthetestandcontroldrawingnumberonebyone,byseriesbaled.Coloralloysteelparts,thepartsmarkinginstallationlocationandrotationaboutthedirectionyouwant.7.3.14.hangersinstallation7.3.14.1hangerlayouta.acleardesignofhangershouldbeinstalledstrictlyinaccordancewiththedrawingsanddesignsshallnotbeinstalledwrong,missing,etc.B.ownarrangementofpipingsupportandhangersetandselectionshouldbebasedoncomprehensiveanalysisofgenerallayoutofpipingsystems;coldinstallationofsteampipewithparticularattentionreservedforcompensationofthermalexpansiondisplacementandorientation.C.supportsystemsshouldberationaltowithstandpipeloads,staticloadandincidentalload;reasonablepipingdisplacement;guaranteedundervariousconditions,stressarewithintheallowedrange.Strength,stiffness,andmeetrequirementstopreventvibrationandsoothingwater,withoutaffectingtheadjacentequipmentmaintenanceandotherpipinginstallationandexpansion.D.equipmentconnectedtotheinterfacetomeetpipelinethrust(torque)limitrequirements;increasethestabilityofpipingsystemstopreventpipeline...Tubewallthickness(mm)2-34-67-10weldformnoslopemouthweldstrengtheningheighth(mm)1-1.51.5-2weldwidthb(mm)5-67-6hasslopemouthweldstrengtheningheighth(mm)1.5-22weldwidthb(mm)coverhadeachedgeslopemouthabout2mmargonarcweldingweldstrengtheningsurfaceheightandwidthtubewallthickness(mm)2--33--45--6weldformweldstrengtheningheighth(mm)1-1.51.5-22-2.5widthb(mm)《宿新市徐公店》教案【教学目标】1、会写5个字。2、正确、流利、有感悟地朗读课文，背诵课文。3、想象儿童在花丛中捕蝶的快乐情景，体会诗人热爱春天、热爱生活的情感；激发学生热爱古诗，热爱自然的情感。【教材分析】《宿新市徐公店》是人教版二年级上第一单元第二课《古诗两首》中的第二首。诗中描绘的是诗人住在新市徐公店所见到的生机勃勃的暮春景色。诗人运用白描的手法，把景物与人物融为一体，描绘了一幅动静结合的画面，极富生活情趣，诗人的喜悦之情也尽在对景物、人物的描写之中。【教学重点、难点】体会诗的意境，体会诗人的感情【教学准备】多媒体课件【教学时间】一课时【教学过程】一、揭题、释题、了解作者：1、以前我们学过哪些描写春景的古诗？《咏柳》、《绝句》、《春晓》，这些古诗都从不同侧面、角度向我们展示了春天的勃勃生机和美丽。今天，我们再学习一首有关描写春景的古诗《宿新市徐公店》。2、以前学习古诗理解诗句时常用哪些方法？（释、调、连、补、留）3、今天也用这“五字法”理解这首诗。范读。同时大屏幕打出背景图。配乐范读、齐读4、介绍诗人：andperformancetestcopiesoftherecord.Ifnecessary,reviewshouldbecarriedout;4)forspringhangers(includedsimplespring,hangersandconstantsupporthangers)itshouldalsoberecognizedassettingandlockingofloads.5)checkthesurfacequality,foldedlayeringandwithoutcracks,rustandotherdefects.5)aftercompletionofthetestandcontroldrawingnumberonebyone,byseriesbaled.Coloralloysteelparts,thepartsmarkinginstallationlocationandrotationaboutthedirectionyouwant.7.3.14.hangersinstallation7.3.14.1hangerlayouta.acleardesignofhangershouldbeinstalledstrictlyinaccordancewiththedrawingsanddesignsshallnotbeinstalledwrong,missing,etc.B.ownarrangementofpipingsupportandhangersetandselectionshouldbebasedoncomprehensiveanalysisofgenerallayoutofpipingsystems;coldinstallationofsteampipewithparticularattentionreservedforcompensationofthermalexpansiondisplacementandorientation.C.supportsystemsshouldberationaltowithstandpipeloads,staticloadandincidentalload;reasonablepipingdisplacement;guaranteedundervariousconditions,stressarewithintheallowedrange.Strength,stiffness,andmeetrequirementstopreventvibrationandsoothingwater,withoutaffectingtheadjacentequipmentmaintenanceandotherpipinginstallationandexpansion.D.equipmentconnectedtotheinterfacetomeetpipelinethrust(torque)limitrequirements;increasethestabilityofpipingsystemstopreventpipeline...Tubewallthickness(mm)2-34-67-10weldformnoslopemouthweldstrengtheningheighth(mm)1-1.51.5-2weldwidthb(mm)5-67-6hasslopemouthweldstrengtheningheighth(mm)1.5-22weldwidthb(mm)coverhadeachedgeslopemouthabout2mmargonarcweldingweldstrengtheningsurfaceheightandwidthtubewallthickness(mm)2--33--45--6weldformweldstrengtheningheighth(mm)1-1.51.5-22-2.5widthb(mm)这首诗是宋代诗人杨万里写的。他一生为官清廉，为奸相所害，被罢官闲居十五年。他的诗大量吸收民间语言，描述细腻，形象鲜明，平易自然。因为他长期居住农村，对农村的田园生活十分熟悉，所以描写自然景物也就更加真切感人，别有风趣。5、下面光看题目意思：宿：过夜新市：地名公：古代对男子的尊称（在新市姓徐的人开的客店里过夜）作者住在新市徐公店时见到一幅怎样的画面呢？表达了一种怎样的感情呢？二、小组自学，初读理解。要求：1．不理解的字、词划出讨论，初步理解每句诗意。2．诗中抓住哪些景物写出了暮春时节的美丽。三、导读古诗，感受诗意。1．指名读，检查读的情况。2．你读懂了什么？还有哪些不理解的字、词提出来，一起讨论、交流。3．齐读一、二句：A．写了哪几种景物？有什么特点？篱落：篱笆疏疏：稀疏径：小路深：深远理解时“调”一下：稀疏的篱笆旁边，有一条小路深向远方。板书：篱笆一径这句诗是作者站在徐公店外，远望到的。紧接着作者收回视线，从远望到近观，又看到了什么呢？andperformancetestcopiesoftherecord.Ifnecessary,reviewshouldbecarriedout;4)forspringhangers(includedsimplespring,hangersandconstantsupporthangers)itshouldalsoberecognizedassettingandlockingofloads.5)checkthesurfacequality,foldedlayeringandwithoutcracks,rustandotherdefects.5)aftercompletionofthetestandcontroldrawingnumberonebyone,byseriesbaled.Coloralloysteelparts,thepartsmarkinginstallationlocationandrotationaboutthedirectionyouwant.7.3.14.hangersinstallation7.3.14.1hangerlayouta.acleardesignofhangershouldbeinstalledstrictlyinaccordancewiththedrawingsanddesignsshallnotbeinstalledwrong,missing,etc.B.ownarrangementofpipingsupportandhangersetandselectionshouldbebasedoncomprehensiveanalysisofgenerallayoutofpipingsystems;coldinstallationofsteampipewithparticularattentionreservedforco