机械专业英语阅读教程教学教案

大连理工大学出版社教材配套资源电子教案 大连理工大学出版社教材配套资源电子教案教材名称：机械专业英语阅读教程（第六版）出版时间：2022年1月主编：Unit1OccupationFundamentals班级Lesson1Tools日月学时KnowledgeObjectives1.Graspthecommonwordsandtermsoftools.2.Grasptheexpressionmethodsforthestructureandfunctionoftools.3.Grasptheexpressionmethodsfortheusageoftools.CompetenceObjectives1.Learnhowtopresentthebasicknowledgeoftools.2.Learnhowtointerpretthefunctionsoftools.3.Learnhowtograsptheinformationofthecomplexsentences.4.Learnhowtocommunicatewitheachotheronthebasicknowledgeoftools.PedagogicalMethodsAction-oriented;Listening;Speaking;Discussing;Pair-work&group-workTeachingAids:Multi-mediacomputer;PPTLearningActivitiesatClassCommentsListeningActivityTheteacherwillgiveguidesforpassage1inEnglishfirstly,andthestudentswilllistentothetextdubbing,andthenreadthepassagecarefullytoprepareforthepractice.Step1Gettingmessage1.［Forpassage1］

（1）Accordingtothispassage,thecorrectanswersare

□Mechanicstoolmaybeahandtool.

□Mechanicstoolmaybeapowertool.

□Mechanicstoolsareusedtorepairmachinery.

□Mechanicstoolsareusedtofixmachinery.

□Handtoolshavebeeneliminatedinmodernmanufacturingindustry.

□Handtoolsmaybeusedinindustrytomaketheprototypesandmodels.

□Handtoolsmaybeusedinindustrytorepairandmaintaintheequipments.Step2Matchingtheterms（2）MatchthesetermswiththeirChinesetranslations.

a.mechanicstoolA.维护设备

b.handtoolB.手工工具

c.powertoolC.制作模型

d.maketheprototypesD.电动工具

e.makethemodelsE.制作原型

f.repairtheequipmentF.机械工具

g.maintaintheequipmentG.维修设备Step3WorkingwiththeExpressions（3）Fillineachoftheblanksinthefollowingsentenceswithasuitablepreposition,

conjunction,oradverb.

a.Mechanicstoolsare_________hand_________powertools.

UnitOneOccupationFundamentals

b.Mechanicstoolsareused_________mechanicstorepairandfixmachinery.

c.Theneed________handtoolshasbeenalmosteliminatedinmodernmanufacturing

industry.

d.Handtoolsarestillrequired_________manypurposesinindustry,_________themaking

ofprototypesandmodels,and_________therepairandmaintenanceofequipment.Step4RewritingtheComplexSentences(4)Rewritethecomplexsentencewithsimplesentences.

a.Theefficientuseofmachines,computers,andautomationhasenabledmodern

manufacturingindustrytoreachsuchanadvancedstate,thattheneedforhandtoolshasbeenalmosteliminated.

..

b.However,handtoolsarestillrequiredformanypurposesinindustry,likethemakingofprototypesandmodels,andfortherepairandmaintenanceofequipment.

...AnalyzingthegrammaticalstructureofthecomplexsentencesfollowingbytheteacherDiscussingPair-work&group-workIndepended-workSpeakingout

教材名称：机械专业英语阅读教程（第六版）出版时间：2022年1月主编：Unit1OccupationFundamentals班级Lesson1Tools日月学时KnowledgeObjectives1.Graspthecommonwordsandtermsoftools.2.Grasptheexpressionmethodsforthestructureandfunctionoftools.3.Grasptheexpressionmethodsfortheusageoftools.CompetenceObjectives1.Learnhowtopresentthebasicknowledgeoftools.2.Learnhowtointerpretthefunctionsoftools.3.Learnhowtograsptheinformationofthecomplexsentences.4.Learnhowtocommunicatewitheachotheronthebasicknowledgeoftools.PedagogicalMethodsAction-oriented;Listening;Speaking;Discussing;Pair-work&group-workTeachingAids:Multi-mediacomputer;PPTLearningActivitiesatClassCommentsListeningActivityTheteacherwillgiveguidesforpassage2inEnglishfirstly,andthestudentswilllistentothetextdubbing,andthenreadthepassagecarefullytoprepareforthepractice.Step1Gettingmessage2.［Forpassage2］

（1）Accordingtothispassage,thecorrectanswersare

□Benchviceisusedtoholdworkpiece.

□Movablejawisdrivenbythescrew.

□Benchvicesallhaveafixedjawandamovablejaw.

□Sawing,drilling,filingandclampingcanbedoneonthevice.Step2Matchingtheterms(2)MatchthesetermswiththeirChinesetranslations.

a.tableviceA.三角铣刀

b.sawB.安全边

c.twistdrillC.淬硬钢

d.mechanicalapparatusD.台式虎钳

e.clampingworkpieceE.麻花钻

f.millF.固定卡爪

g.sandpaperG.锯

h.fixedjawH.机械设备Step3WorkingwiththeExpressions(3)Fillineachoftheblanksinthefollowingsentenceswithasuitablepreposition,

conjunction,oradverb.

a.Benchvices_________designed_________holdtheworkpiece.

b.Viceisused_________holding_________clampingaworkpiece.

c.Operations,_______sawing,drillingandmilling，etc.canbedone_______thevice.

d.Workpiecesareclamped_________jaws.

e.Themovablejawofvice_________moved_________orawayfromthefixedjaw

_________thescrew.Step4RewritingtheComplexSentences(4)Rewritethecomplexsentencewithsimplesentences.

a.Aviceisamechanicalscrewapparatususedforholdingorclampingaworkpiecetoallowworktobeperformedonitwithtoolssuchassaws,planes,drills,mills,screwdrivers,sandpaper,etc.

...

b.Vicesusuallyhaveonefixedjawandanotherparalleljawwhichismovedtowardsorawayfromthefixedjawbythescrew.

...AnalyzingthegrammaticalstructureofthecomplexsentencesfollowingbytheteacherDiscussingPair-work&group-workIndepended-workSpeakingout

教材名称：机械专业英语阅读教程（第六版）出版时间：2022年1月主编：Unit1OccupationFundamentals班级Lesson1Tools日月学时KnowledgeObjectives1.Graspthecommonwordsandtermsoftools.2.Grasptheexpressionmethodsforthestructureandfunctionoftools.3.Grasptheexpressionmethodsfortheusageoftools.CompetenceObjectives1.Learnhowtopresentthebasicknowledgeoftools.2.Learnhowtointerpretthefunctionsoftools.3.Learnhowtograsptheinformationofthecomplexsentences.4.Learnhowtocommunicatewitheachotheronthebasicknowledgeoftools.PedagogicalMethodsAction-oriented;Listening;Speaking;Discussing;Pair-work&group-workTeachingAids:Multi-mediacomputer;PPTLearningActivitiesatClassCommentsListeningActivityTheteacherwillgiveguidesforpassage3inEnglishfirstly,andthestudentswilllistentothetextdubbing,andthenreadthepassagecarefullytoprepareforthepractice.Step1Gettingmessage3.［Forpassage3］

(1)Accordingtothispassage,thecorrectanswersare

□Fileismadeofhighgradehardenedsteel.

□Allpartsofthefilehaveslantingteeth.

□Filingisonlyusedforsmoothingpart.

□Allfilesareonlyusedtomachinemetalparts.Step2Matchingtheterms(2)MatchthesetermswiththeirChinesetranslations.a.tangA.三角锉刀b.flatfileB.安全边c.tongC.淬硬钢d.handfileD.抛光零件e.halfroundfilE.手锉f.triangularfileF.柄脚g.hardenedsteelG.半圆锉h.safeedgeH.夹钳i.smoothpartI.平锉Step3WorkingwiththeExpressions(3)Fillineachoftheblanksinthefollowingsentenceswithasuitablepreposition,conjunction,oradverb.

a.Fileisahardenedpieceofhighgradesteel_________slantingrowofteeth.

b.Thetongofthefileisfitted_________thehandle.

c.Thetongisthepointedpartandthepointistheend_________tothetang.

d.Filescanbedivided_________flatfile,handfile,squarefile,andso_________.AnalyzingthegrammaticalstructureofthecomplexsentencesfollowingbytheteacherDiscussingPair-work&group-workIndepended-work

教材名称：机械专业英语阅读教程（第六版）出版时间：2022年1月主编：Unit1OccupationFundamentals班级Lesson1Tools日月学时KnowledgeObjectives1.Graspthecommonwordsandtermsoftools.2.Grasptheexpressionmethodsforthestructureandfunctionoftools.3.Grasptheexpressionmethodsfortheusageoftools.CompetenceObjectives1.Learnhowtopresentthebasicknowledgeoftools.2.Learnhowtointerpretthefunctionsoftools.3.Learnhowtograsptheinformationofthecomplexsentences.4.Learnhowtocommunicatewitheachotheronthebasicknowledgeoftools.PedagogicalMethodsAction-oriented;Listening;Speaking;Discussing;Pair-work&group-workTeachingAids:Multi-mediacomputer;PPTLearningActivitiesatClassCommentsListeningActivityTheteacherwillgiveguidesforpassage4to9inEnglishfirstly,andthestudentswilllistentothetextdubbing,andthenreadthepassagecarefullytoprepareforthepractice.Step1Gettingmessage4.［Forpassage4to9］

(1)Accordingtothispassage,thecorrectanswersare

□Hammerisamultipurposetool.

□Hammerismadeofhardenedsteel.

□Spannerisusedforstriking,formingandtapping,etc.

□Screwdriverisatoolusedfordrivingnuts.

□Tapsareusedformachiningexternalthread.

□Handsawsareonlyusedforcuttingoffmetals.

□Grindersareusedforgrindingcuttersandtools.Step2Matchingtheterms(2)MatchthesetermswiththeirChinesetranslations.a.handsawA.活扳子b.hammerB.砂轮机c.benchworkC.拧螺母d.tighteningnutD.锤子e.adjustablespannerE.铸钢f.tapF.手锯g.forgedsteelG.钳工h.grinderH.丝锥Step3WorkingwiththeExpressions(3)Fillineachoftheblanksinthefollowingsentenceswithasuitablepreposition,conjunction,oradverb.

a.Hammersaremade_________forgedsteelofvarioussizesandshapes_________suitvariouspurposes.

b.Spannerisatypeoftoolused_________tighteningorlooseningnuts,bolts,etc.

c.Anadjustablespanneroradjustablewrenchisthemost_________usedspanner.

d.Ascrewdriverisatooloftencontainingrotatingothermachineelements_________thematingdrivesystem.

e.Grindersarethemostcommontypeapplied_________sharpencuttersandtools.Step4RewritingtheComplexSentences(4)Rewritethecomplexsentencewithsimplesentences.

Hammerisamultipurposetoolwhichcanbeusedforstrikingajoboratool,forshapingandformingsheetmetal,fortappingtogethercloselyfittingparts,andsoon.AnalyzingthegrammaticalstructureofthecomplexsentencesfollowingbytheteacherDiscussingPair-work&group-workIndepended-workSpeakingout

教材名称：机械专业英语阅读教程（第六版）出版时间：2022年1月主编：Unit1OccupationFundamentals班级Lesson1Tools日月学时KnowledgeObjectives1.Graspthecommonwordsandtermsoftools.2.Grasptheexpressionmethodsforthestructureandfunctionoftools.3.Grasptheexpressionmethodsfortheusageoftools.CompetenceObjectives1.Learnhowtopresentthebasicknowledgeoftools.2.Learnhowtointerpretthefunctionsoftools.3.Learnhowtograsptheinformationofthecomplexsentences.4.Learnhowtocommunicatewitheachotheronthebasicknowledgeoftools.PedagogicalMethodsAction-oriented;Listening;Speaking;Discussing;Pair-work&group-workTeachingAids:Multi-mediacomputer;PPTLearningActivitiesatClassCommentsListeningActivityTheteacherwillgiveguidesforpassage10to13inEnglishfirstly,andthestudentswilllistentothetextdubbing,andthenreadthepassagecarefullytoprepareforthepractice.Step1Gettingmessage5.［Forpassage10to13］(1)Accordingtothispassage,thecorrectanswersare

□Theverniercaliperisanextremelyprecisemeasuringinstrument.

□Wecanmeasuretheoutsideofapartwiththenibs.

□Verniercaliperisusedtodeterminethethickness,widthofslot,insideandoutside

diameter,depthandcenterdistanceofallkindsofshape.

□Onecanmeasurethedepthofaholeorshoulderwiththeextensionbar.

□Micrometersaremoreaccuratethancalipers.

□WecanuseO.D.micrometertomeasureinsidediameter.

□Calibergagesareusedtotestthediameteroftheinternalholeandwidthofgroove.

□Pluggagesareusedtotestthediameterofshaftandwidthofconcavekey.

□Verniercaliper,micrometer,calibergagesandpluggagesarealltoolsusedforlengthmeasuring.Step2Matchingtheterms(2)MatchthesetermswiththeirChinesetranslations.

a.verniercaliperA.测量仪器

b.fixtureB.刀具

c.outsidediameterofapartC.中心距

d.measuringinstrumentD.游标卡尺

e.pluggagesE.极限量规

f.commonnormallengthmicrometerF．夹具

g.digitalreadoutsG.卡规

h.cuttingtoolH.百分表

i.limitgageI.数显

j.calibergagesJ.工件外径

k.centerdistanceK.塞规

l.dialindicatorL.公法线千分尺Step3WorkingwiththeExpressions(3)Fillineachoftheblanksinthefollowingsentenceswithasuitablepreposition,

conjunction,oradverb.

a.Theverniercaliperisnormallyusedtomeasuretheoutsideofapart_________thejaws.

b.Amicrometercanmeasureasmallerrange_________lengths.

c.Differenttypesofmicrometersareemployed_________differentpurposes.

d.Dialindicatorisspecified_________testingaccuracyofmachinesandworkpieces.Step4RewritingtheComplexSentences(4)Rewritethecomplexsentencewithsimplesentences.

Dialindicatorisspecifiedfortestingaccuracyofmachinesandworkpiecesandcalibratingtheorientationoffixtures,workpiecesaswellascuttingtools.Step5Speakingout6.［Forthetext］

Speakout.Askyourpartnerthefollowingquestionsonebyone,andorganizeadialogwiththe

questionsandanswers.

Tony:Hello,Kitty.CouldIaskyousomequestionsforthistext?

Kitty:

Tony:Whichmechanicstoolsareusedbymechanicstorepairandfixmachinery?

Kitty:

Tony:Whichmechanicalcommontoolsareusedinmanufacturingindustry?

Kitty:

Tony:Whichcommonmeasuringtoolsareusedinmanufacturingindustry?

Kitty:

Tony:Thankyou,Kitty!You’vehelpedmealot.

Kitty:AnalyzingthegrammaticalstructureofthecomplexsentencesfollowingbytheteacherDiscussingPair-work&group-workIndepended-workSpeakingoutPair-work&Speakingoutwitheachother

教材名称：机械专业英语阅读教程（第六版）出版时间：2022年1月主编：Unit1OccupationFundamentals班级Lesson2Drawing日月学时KnowledgeObjectives1.Graspthecommonwordsandtermsofdrawings.2.Grasptheexpressionmethodsforthecomponentandfunctionofdrawings.3.Grasptheexpressionmethodsfortheusageofdrawings.CompetenceObjectives1.Learnhowtopresentthebasicknowledgeofdrawings.2.Learnhowtointerpretthefunctionsofdrawings.3.Learnhowtograsptheinformationofthecomplexsentences.4.Learnhowtocommunicatewitheachotheronthebasicknowledgeofdrawings.PedagogicalMethodsAction-oriented;Listening;Speaking;Discussing;Pair-work&group-workTeachingAids:Multi-mediacomputer;PPTLearningActivitiesatClassCommentsListeningActivityTheteacherwillgiveguidesforpassage1inEnglishfirstly,andthestudentswilllistentothetextdubbing,andthenreadthepassagecarefullytoprepareforthepractice.Step1Gettingmessage1.［Forpassage1］

（1）Accordingtothispassage,thecorrectanswersare

□Engineeringdrawingisonlytheprovinceofthedraftsperson.

□Engineeringdrawingisthelanguageoftheengineer.

□Everyengineerwillbeusingsomeformofdrawingsalmostdaily.

□Wordsarenotthenaturallanguageofengineers.

□Engineersmakedrawings,designdrawingsandproducepartaccordingtodrawings.

□Engineersshouldtakeresponsibilityforadrawingaftertheysignitoff.

□Anoverlookederrorinthedrawingcauselittletroublesome.

□Preliminarysketchescanalsobeusedtoinstructmanufacturingofpart.Step2Matchingtheterms（2）MatchthesetermswiththeirChinesetranslations.a.partdrawingA.机械制图b.technicalrequiremenB.装配图c.designdrawingsC.尺寸d.mechanicaldrawingD.绘图员e.dimensionE.零件图f.assemblydrawingF.技术要求g.draftspersonG.工程图纸h.engineeringdrawingH.设计图纸Step3WorkingwiththeExpressions（3）Fillineachoftheblanksinthefollowingsentenceswithasuitablepreposition,conjunction,oradverb.

a.Engineeringdrawingisnotonlytheprovincethedraftsperson.

b.Everyengineerwillbereferringsomeformofdrawingsalmostdaily.

c.Everyengineerwillbecheckingtheworkdesignersandapprovingdrawings

theyaresent________manufacturing.

d.Engineersshouldtakeresponsibilityadrawingaftertheysignit.

e.Mechanicaldrawingaprocesswhichreliesheavilyresearchintheprinciplesofrepresentation,interpretationandrelatedtechnicalstandards.

f.Engineeringdrawingisalanguage,whichisusedtorepresentadesigner’sidea_______others.Step4RewritingtheComplexSentences(4)Rewritethecomplexsentencewithsimplesentences.

a.Soadrawingmustbetrueandcompletestatementofthefigure,dimensionandtechnical

requirements,expressingthewaythatthepartistobemanufactured.

...b.Mechanicaldrawingisaprocesswhichreliesheavilyuponresearchintheprinciplesofrepresentation,interpretationandrelatedtechnicalstandards....AnalyzingthegrammaticalstructureofthecomplexsentencesfollowingbytheteacherDiscussingPair-work&group-workIndepended-workSpeakingout

教材名称：机械专业英语阅读教程（第六版）出版时间：2022年1月主编：Unit1OccupationFundamentals班级Lesson2Drawing日月学时KnowledgeObjectives1.Graspthecommonwordsandtermsofdrawings.2.Grasptheexpressionmethodsforthecomponentandfunctionofdrawings.3.Grasptheexpressionmethodsfortheusageofdrawings.CompetenceObjectives1.Learnhowtopresentthebasicknowledgeofdrawings.2.Learnhowtointerpretthefunctionsofdrawings.3.Learnhowtograsptheinformationofthecomplexsentences.4.Learnhowtocommunicatewitheachotheronthebasicknowledgeofdrawings.PedagogicalMethodsAction-oriented;Listening;Speaking;Discussing;Pair-work&group-workTeachingAids:Multi-mediacomputer;PPTLearningActivitiesatClassCommentsListeningActivityTheteacherwillgiveguidesforpassage2to7inEnglishfirstly,andthestudentswilllistentothetextdubbing,andthenreadthepassagecarefullytoprepareforthepractice.Step1Gettingmessage2.［Forpassage2to7］

（1）Accordingtothispassage,thecorrectanswersare

□Partdrawingsareusedasinstructionformanufactureandinspectionoftheparts.

□Partdrawingsaretheonlydrawingusedasinstructionforpartsmanufactureandinspection.

□Surfaceroughness,tolerance,heattreatmentandcasetreatmentarealltechnicalrequirements.

□Anintegratedpartdrawingmustincludedrawings,dimensions,technicalrequirementsandtitleblock.

□Assemblydrawingsareusedinexplainingmachinesorcomponents.

□Intheprocessofmachinemanufacturing，partdrawingsandassemblydrawingsarebothneeded.

□Assemblydrawingsareonlyusedinoperationandmaintenance.

□Assemblydrawingsmayprovideinformationsformakingallthecomponentparts.Step2Matchingtheterms（2）MatchthesetermswiththeirChinesetranslations.a.toleranceA.标题栏b.partdrawingB.维修c.heattreatmentC.表面处理d.mechanicaldesignD.零件名称e.externalshapeofthepartE.零件f.surfaceroughnessF.热处理g.casetreatmentG.机械设计h.workingprincipleH.零件外形i.titleblockI.公差j.maintenanceJ.表面粗糙度k.componentK.零件图l.partnameL.工作原理Step3WorkingwiththeExpressions（3）Fillineachoftheblanksinthefollowingsentenceswithasuitablepreposition,conjunction,oradverb.

a.Partdrawingsarefrequentlyusedinstructionmanufactureandinspectionoftheparts.

b.Somerepresentationcanbegivenproperlyshowtheandexternalshape

ofthepart.

c.Assemblydrawingsareusedexplainingmachinesorcomponents.

d.Dimensionsareusedforspecifyingtherequirementsmanufactureandinspection________thepartintegrity.

e.Inmechanicaldesign,partdrawingsareusuallyrelated_________theassemblydrawing.

f.Intheprocessofmachinemanufacturing,thedrawingsareallowmachiningof

themetalbased________thepartdrawing.

g.Thepurposetheassemblydrawingisgivealldatarequired

assembletwoormoreparts.Step4RewritingtheComplexSentences（4）Rewritethecomplexsentencewithsimplesentences.

Intheprocessofmachinemanufacturing,thedrawingsaretoallowmachiningofthemetalbasedonthepartdrawingandassemblingtocreateaunitoramachineinduecourseaswellasinoperationandmaintenance....AnalyzingthegrammaticalstructureofthecomplexsentencesfollowingbytheteacherDiscussingPair-work&group-workIndepended-workSpeakingout

教材名称：机械专业英语阅读教程（第六版）出版时间：2022年1月主编：Unit1OccupationFundamentals班级Lesson2Drawing日月学时KnowledgeObjectives1.Graspthecommonwordsandtermsofdrawings.2.Grasptheexpressionmethodsforthecomponentandfunctionofdrawings.3.Grasptheexpressionmethodsfortheusageofdrawings.CompetenceObjectives1.Learnhowtopresentthebasicknowledgeofdrawings.2.Learnhowtointerpretthefunctionsofdrawings.3.Learnhowtograsptheinformationofthecomplexsentences.4.Learnhowtocommunicatewitheachotheronthebasicknowledgeofdrawings.PedagogicalMethodsAction-oriented;Listening;Speaking;Discussing;Pair-work&group-workTeachingAids:Multi-mediacomputer;PPTLearningActivitiesatClassCommentsListeningActivityTheteacherwillgiveguidesforpassage8to13inEnglishfirstly,andthestudentswilllistentothetextdubbing,andthenreadthepassagecarefullytoprepareforthepractice.Step1Gettingmessage3.［Forpassage8to13］

（1）Accordingtothispassage,thecorrectanswersare

□Viewsareprojectiondrawingsoftheobject.

□Basicviews,partialviews，obliqueviewsandfrontviewsarealltypicalviews.

□Generally,thethreeprincipleviewsareorthogonal.

□Sectionalviewsareusedtoshowtheexternalstructureoftheobjectwithadashline.

□Alldrawingshavebasicviewsandsectionalviews.

□Atmost,fiveprincipleviewsareneededtoexpresscomplexobject.

□Inthethree-planeprojectionsystem,thebasicprincipleisindicatedasequallengthin

thefrontviewandverticalview,equalheightinthefrontviewandleftview,equalwidthinthe

verticalviewandleftview.Step2Matchingtheterms（2）MatchthesetermswiththeirChinesetranslations.a.axonometricdrawingA.斜视图b.brokensectionalviewB.虚线c.obliquebiometricprojectionC.断面图d.projectionD.轴测图e.verticalviewE.投影f.basicviewF.局部视图g.dashlineG.俯视图h.obliqueviewH.基本视图i.partialviewI.斜二等轴测图Step3WorkingwiththeExpressions（3）Fillineachoftheblanksinthefollowingsentenceswithasuitablepreposition,conjunction,oradverb.

a.Mechanicaldrawings________nationalstandardsarerestricted________thosewhichspecifytheview,andsoontorepresentthestructuresandshapes.

b.Thenumberofviewsis________six,fourandthree,fouristhetypicalviews.

c.Sectionalviewsareusedtoshowtheinternalstructureofacomplexobject________adashline.d.Sectionalviewsaredivided________fullsectional,halfsectionalandpartialsectionalviews.

e.Brokensectionalviewsaresupposed________besectionalplane________apointsomewhere________themachineelement.

f.________expressingthestructureandsizeofacomponentdistinctly,weputa

componentintoathree-planeprojectionsystem.

g.Thebasicprincipleinthethreeprojectionplaneisindicated________equallengthinthefrontviewandverticalview.Step4RewritingtheComplexSentences（4）Rewritethecomplexsentencewithsimplesentences.

Mechanicaldrawingsinnationalstandardsarerestrictedtothosewhichspecifytheview,sectionalviewandbrokensectionalviewtorepresentthestructuresandshapes....Step5SpeakingOut4.［Forthetext］

Speakout.Askyourpartnerthefollowingquestionsonebyone,andorganizeadialogwiththe

questionsandanswers.

Tony:Hello,Kitty.CouldIaskyousomequestionsforthistext?

Kitty:

Tony:Whatisitaboutengineeringdrawing？

Kitty:

Tony:Whatfunctionsisitaboutengineeringdrawings?

Kitty:

Tony:Whataretherequirementstodrawings？

Kitty:

Tony:Whichmechanicaldrawingsareusedinmanufacturingindustry?

Kitty:

Tony:Whatisitabouttheprincipleinthethreeprojectionplane？

Kitty:

Tony:Thankyou,Kitty!You’vehelpedmealot.

Kitty:AnalyzingthegrammaticalstructureofthecomplexsentencesfollowingbytheteacherDiscussingPair-work&group-workIndepended-workSpeakingoutSpeakingoutandPair-work

教材名称：机械专业英语阅读教程（第六版）出版时间：2022年1月主编：Unit1OccupationFundamentals班级Lesson3DimensionandTolerance日月学时Knowledgeobjectives1.Graspthecommonwordsandtermsofdimensionandtolerance.2.Grasptheexpressionmethodsforthestructureandfunctionofdimensionandtolerance.3.Grasptheexpressionmethodsfortheusageofdimensionandtolerance.Competenceobjectives1.Learnhowtopresentthebasicknowledgeofdimensionandtolerance.2.Learnhowtointerpretthefunctionsofdimensionandtolerance.3.Learnhowtograsptheinformationofthecomplexsentences.4.Learnhowtocommunicatewitheachotheronthebasicknowledgeofdimensionandtolerance.PedagogicalMethodsAction-oriented;Listening;Speaking;Discussing;Pair-work&group-workTeachingaids:Multi-mediacomputer;PPTLearningActivitiesatClassCommentsListeningActivityTheteacherwillgiveguidesforpassage1inEnglishfirstly,andthestudentswilllistentothetextdubbing,andthenreadthepassagecarefullytoprepareforthepractice.Step1Gettingmessage1.［Forpassage1］

（1）Accordingtothispassage,thecorrectanswersare□Dimensionsindrawingsrepresentbothdimensionandaccuracy.□Thenominalsizeofacomponentisbasedonthedesignprocess.□Itisalmostimpossibletoproduceanycomponenttotheexactdimension.□Toleranceisthepermissibledeviationofthenominalsizefromthepracticaldimension.□Toleranceonadimensioncanrepresentthedegreeofaccuracy.□Thenominalsizeisthedesignationuse