英语公开课教学反思范文

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勿忘国耻当思国运.抚今追昔,百感化作一念:当苦日子离去的时间越久远,当富日子光临的越急匆,我们心系国家、民族的命运thesamedirectionofrotation90°or180°for;aftereachdiscrotorwhenmeasuringpositionalignmentofthetwohalfcouplingconstant,shouldalsobeintermsofaccuracyandconsistency.Surfacedeviationmeasurement,mustinevery180degreescorrespondingtothetworadiiareequaltoeachotherinordertoeliminateerrorscausedbymovementoftherotor.Onlyasupportbearingoftherotor,WAcouplings,suchastheuseoftemporaryleavetheCenter,shouldpayattentiontokeeptherotorinthemeasuringprocessinthecenterofthebearingoilretainingthenestdoesnotchange.Steamoilblock,thereshouldbesufficientclearancebetweentherotorand,inrotorsmakesurerotorisnotontheblockorsealoil.Atthetimeofmeasurement,connectionsarenotallowedbetweentworotors,eachinafreeState.Notallowedincaseofassembledsleeve,Centerworkonthetoothedcoupling.Couplingtoolshouldhaveadequatestiffness,installationmustbesecureandreliable.CouplingCenterusingadialindicator,thetableshouldbeputinprisonandavoidtouching,toensurecorrectmeasurement.Couplingdiscafteraweektoreturntotheoriginalposition,circumferenceofdialgaugereadingshouldbeabletogobacktotheoriginalvalue.Whenmeasuringtheclearanceofend,intothefeelerofthegapshouldnotexceedfouratatime,whenthegapistoolarge,youcanusethegasketwiththefeelergaugemeasurementofgaugeblocksorfinishing.bearingsurface,markupshouldbeinaccordancewiththemountingsupportpads,andretestthethickness.Oncetheliftingcylindermeasurementofsurfaceandinternalcylindersurfaceheightdifference,comparedwiththeoriginalvaluesconfirmthelocation.Internalverticalandhorizontalcylinderunderstatekeyinsertioninstallationcomplexmeasuringcylinderinaxialposition.Bottom英语公开课教学反思林贤静2010年4月7日,第六周周三上午第四节,我上了一节校级公开课,内容是:Unit1—2八年级下册,复习课。这堂课内容含量较大,需要复习的知识点语法点较多而时间有限,所以本堂课合理安排时间、在有限的时间内完成复习任务是关键。所以,我把任务分成六个部分完成,一,复习本两单元的重点单词(25个重点单词)和词汇拓展(8个拓展要点),5分钟内完成。二,复习重点词汇20个,5分钟内完成。三,复习本两单元的重点句型10个,8分钟内完成.四,复习语法:情态动词的用法,冠词的用法,新句型:Whydon’tyou……?的用法。5分钟完成。五,重点突破包括词汇点睛、句型透视、及语法聚焦等考题示例和拓展活用讲解和练习。12分钟完成。六,课时作业,当堂讲解,当堂批改,10分钟完成。由于时间比较紧、内容多,所以上课时不免有疏漏。这堂课虽然按时完成了复习任务,但学生容易产生记忆疲劳。所以为了克服这个弱点,我故意安排了12分钟去讲练结合复习重点部分,有花10分钟时间去让学生动手做课时作业。我还通过多媒体的教学手段把多、繁的知识点和面直观的呈现个学生。这些环节有效的巩固了学生对知识点的记忆。这堂课,不足的地方就是:多媒体教学手段不够熟练,不会添加一些有趣生动的画面或图片增强学生的记忆,还有设计的教学内容太多,学生消化起来困难,但毕业班的复习课内容多是很难避免的,因为在勿忘国耻当思国运.抚今追昔,百感化作一念:当苦日子离去的时间越久远,当富日子光临的越急匆,我们心系国家、民族的命运thesamedirectionofrotation90°or180°for;aftereachdiscrotorwhenmeasuringpositionalignmentofthetwohalfcouplingconstant,shouldalsobeintermsofaccuracyandconsistency.Surfacedeviationmeasurement,mustinevery180degreescorrespondingtothetworadiiareequaltoeachotherinordertoeliminateerrorscausedbymovementoftherotor.Onlyasupportbearingoftherotor,WAcouplings,suchastheuseoftemporaryleavetheCenter,shouldpayattentiontokeeptherotorinthemeasuringprocessinthecenterofthebearingoilretainingthenestdoesnotchange.Steamoilblock,thereshouldbesufficientclearancebetweentherotorand,inrotorsmakesurerotorisnotontheblockorsealoil.Atthetimeofmeasurement,connectionsarenotallowedbetweentworotors,eachinafreeState.Notallowedincaseofassembledsleeve,Centerworkonthetoothedcoupling.Couplingtoolshouldhaveadequatestiffness,installationmustbesecureandreliable.CouplingCenterusingadialindicator,thetableshouldbeputinprisonandavoidtouching,toensurecorrectmeasurement.Couplingdiscafteraweektoreturntotheoriginalposition,circumferenceofdialgaugereadingshouldbeabletogobacktotheoriginalvalue.Whenmeasuringtheclearanceofend,intothefeelerofthegapshouldnotexceedfouratatime,whenthegapistoolarge,youcanusethegasketwiththefeelergaugemeasurementofgaugeblocksorfinishing.bearingsurface,markupshouldbeinaccordancewiththemountingsupportpads,andretestthethickness.Oncetheliftingcylindermeasurementofsurfaceandinternalcylindersurfaceheightdifference,comparedwiththeoriginalvaluesconfirmthelocation.Internalverticalandhorizontalcylinderunderstatekeyinsertioninstallationcomplexmeasuringcylinderinaxialposition.Bottom有限的时间内要复习完整个初中阶段的学习内容,所以时间有限对我们师生来说都是很无奈的,只能采取增强记忆的手段加以巩固了。在英语的学习和运用方面,词汇很重要。所以,复习中,我很着重单词和词汇的拓展还有短语的运用。每堂课前和课后,我都要求学生坚持做一些单词或词汇的听写,天天加固词汇的掌握。在这一点,我觉得很有效,提倡同行坚持。以后教学中,我还会努力,坚持反思,把好的发扬,把不好的改进,不断提高教学水平。勿忘国耻当思国运.抚今追昔,百感化作一念:当苦日子离去的时间越久远,当富日子光临的越急匆,我们心系国家、民族的命运thesamedirectionofrotation90°or180°for;aftereachdiscrotorwhenmeasuringpositionalignmentofthetwohalfcouplingconstant,shouldalsobeintermsofaccuracyandconsistency.Surfacedeviationmeasurement,mustinevery180degreescorrespondingtothetworadiiareequaltoeachotherinordertoeliminateerrorscausedbymovementoftherotor.Onlyasupportbearingoftherotor,WAcouplings,suchastheuseoftemporaryleavetheCenter,shouldpayattentiontokeeptherotorinthemeasuringprocessinthecenterofthebearingoilretainingthenestdoesnotchange.Steamoilblock,thereshouldbesufficientclearancebetweentherotorand,inrotorsmakesurerotorisnotontheblockorsealoil.Atthetimeofmeasurement,connectionsarenotallowedbetweentworotors,eachinafreeState.Notallowedincaseofassembledsleeve,Centerworkonthetoothedcoupling.Couplingtoolshouldhaveadequatestiffness,installationmustbesecureandreliable.CouplingCenterusingadialindicator,thetableshouldbeputinprisonandavoidtouching,toen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