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1、培智学校第九册《实用语文》教案（上海教育出版社）第一单元洗澡课题1、浴室课时2课时教学目标认知学会本课字词，认识部首“疒”和“皿”；知道一些洗浴安全。技能朗读、理解课文；正确书写本课字词及部首；加标点并连句。情感懂得安全使用热水器及在公共浴室淋浴要预防传染病。A组会读写本课生字词，完成课后练习。B组认读学写字词，正确朗读课文。C组会读字词，学读课文。重点学会生字词；朗读理解课文。难点懂得安全使用热水器及在公共浴室淋浴要预防传染病。教学准备电脑课件（有关浴室的图片，生字词及练习题）教学过程第一课时一、导入1、课件映示浴室图，指导观察。（1）这是什
2、么地方？（2）这里有哪些东西？（3）谁在干什么？2、揭示课题。（1）小结：同学们观察得真仔细，这是浴室。spacingof100mm.C,linelinelinenearby.D,sparewireunifiedterminalstripTerminal(terminalstripatthetopofthevertical,horizontalterminalstripfromtheharnesstoTerminalPaiendatthebeginning),lengthtoensureasfarasTerminalandsetaside.Af
3、tere,formawireharness,cable,line.Whenthelineshouldbeinthecorewireforbetteridentificationandmarkingonthecardswillbepreparedinadvance,alternatecorecorecontentforthecablenumbering.F,finishline,accordingtothecorrespondingterminallocations,wireonebyonefromthebunchout,pullingline,
4、shouldbekeptparalleltoeachotherandmore.Coredarkaspossible,determinedinaccordancewithspecificconditions,itisrequiredthat:neat,beautiful,shapely,pleasingtotheeye.7.6.2wiringtechnology,outofthecorewireaccordingtoTerminalposition,cutofftheexcess,withwirestrippingpliersorelectric
5、ianknifestrippedofinsulation,sothatconnection.Strippingshouldnotdamagethecoppercore.B,corewireontheoxideandchip-insulatedelectriciansknifescrape.C,coreprocessinghasbeencompleted,threadroundlongnosepliersinaclockwisedirection.Circlewiththescrewinthedirectionofspininthesamedir
6、ection,circleshouldbeappropriate,itisbesttoslightlylargerthanthescrews,bentroundthecircleandthelengthofrootandappropriatesosetscrewisscrewedontight.D,whenonthecrimp-typeterminalswhenwiring,threadsdonothavetobend.InsulatingpartshouldbecarefulnottopressitintoaTerminal,andmaket
7、heloopdoesn'tmakesenseandtopreventbadheadcrimping,felldown,causinganopencircuit.Afterwiring,maybetried.E,crimpingTerminalcrimping,wireandTerminalcontactisgood,solid,notsubjecttomechanicalstrain,andensuretheinsulationlevel.F,cables,suchaswhenthereisabarecoppergroundwire,barec
8、opperwirewithaplasticpipeshouldbeset.G,whenwiringwiringmustbeinradians.H,te
