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1、四年级英语教案姓名：张军胜学校：圣王台小学Lesson1AreyouinGradeFour?aspecialtooltomeasurehalfapointtherotorshaftrunoutandsimultaneousmeasurementoftwocouplingfluttertesting,itshouldmeettherequirements.Installthecouplinghousingstoensureembeddedrotorcouplingwithinaconcaveshoulder,androtorclearanc
2、emeetsthedesignrequirements.6.4,6,wearingconstructiontechnologyofgeneratorrotorsdemonstration6.4.6.1constructionpreparationandconditionsthroughthestatorbeforeloadingcheckandconfirmtoconfirmairtightnesstestofthestatorandstatormechanical,electrical,instrumentationandcontrol
3、andotherrelatedworkhadbeencompleted.Internalcleaningofstator,highpowervacuumthesurfaceofthestator.StatorandrotormagneticCenterdrainageiscomplete.Inconjunctionwiththequality,mechanical,electricalandotherrelevantpersonstofinallycleaningcheckthestator,whichiscleanandfreeofan
4、ydebris.Wornrotorscheckandconfirmconfirmbeforeloadingtherotorairtightnesstest,electricaltestworkhasbeencompleted.Inconjunctionwiththequality,mechanical,electricalandotherrelevantpersonstofinallycleantherotorschecked,itsinterioriscleanandfreeofanydebris.Byquality,mechanica
5、l,electricalandotherprofessionalstoconductanexaminationoftherotor,confirmthewearconditionoftherotor.Specialequipmentinspectionandrotorthroughthepreparationtoolbeforeloadinginventory,checktoconfirmthatitappearsintact,completetool,toolsrequiredforuseofwireropethathasafactor
6、ycertificateandtestreport;wireropeshouldselectthesafetyfactor≥6;hoisttestingqualified;roadhavebeenequipmentauthorizedVisatemporarysupporttiesshouldbeahardwood.Endsbearingendcoverwithconnectionofthestatorplateorgourdsbyexclusivelugontheendfaceofatemporarylow-hangingonthe55
7、教学目标:1. 能听懂.会说.会认读way,they,behind,new,table.并能根据中文拼写出英文.2. 能听懂.会说交际用语,并能用来进行对话.教学重难点:1. 词汇.2. 交际用语.教具准备:录音机.教学过程:第1课时一.学习单词:教师把本课要求掌握的8个生词写在黑板上,教师领读几遍,让学生自己读,直到熟练为止.二.学习Let’stalk:本课的对话可以用自问自答导入法导入,教师可同时充当Jill,Bill和Lulu三个角色,先站在右边充当Jill和Bill,说”Excuseme,.please.”再转到左边充当Lulu,
8、说”Yes?”,再转回右边充当Jill和Bill说”Wearenew.Wecan’tfindourclassroom.”一直到将全段对话表演完,表演两遍后放录音,先将全段放一遍,然后逐句放,让
