小升初英语六-冠词-数词-介词-连词及其练习

为搞好山东省交通科学研究所研发基地项目的结算审计工作,我跟踪审计部特针对本项目作如下要求,请各施工单位、供货单位遵照执行：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)成长教育小升初英语专项练习（六）冠词冠词是用在名词前，帮助说明名词所表示的人或者事物的词。冠词不能脱离名词而独立存在，不能单独作为句子成分。它分为不定冠词和定冠词两种。（1）不定冠词有a，an。a用于辅音音素前，而an则用于元音音素前，如：ane-mail，anorange，anoldman，anEnglishwatch，anhour1)表示一个，意为one;指某人或某物，意为acertain。AMr.Lingiswaitingforyou.2)代表一类人或物。Aknifeisatoolforcuttingwith.Mr.Smithisanengineer.3)词组或成语。alittle/afew/alot/atypeof/apile/agreatmany/manya/asarule/inahurry/inaminute/inaword/inashortwhile/afterawhile/haveacold/haveatry/keepaneyeon/allofasudden（2）定冠词the定冠词the与指示代词this，that同源，有那(这)个的意思，但较弱，可以和一个名词连用，来表示某个或某些特定的人或东西。1)特指双方都明白的人或物：Takethemedicine.把药吃了。2)上文提到过的人或事：Heboughtahouse.I'vebeentothehouse.他买了幢房子。我去过那幢房子。3)指世上独一物二的事物：thesun，thesky，themoon，theearth4)单数名词连用表示一类事物，如：thedollar美元;thefox狐狸;或与形容词或分词连用，表示一类人：therich富人;theliving生者。Weshouldhelpthepoor.我们应该帮助穷人。5)用在序数词和形容词最高级，及形容词only，very，same等前面：It’sthefirstofMarchtoday.今天是三月一号。Wheredoyoulive?Iliveonthesecondfloor.你住在哪?我住在二层。Theylookthesame.他们看起来一样。6)与复数名词连用，指整个群体：Theyaretheteachersofthisschool.指全体教师)Theyareteachersofthisschool.(指部分教师)7)表示所有，相当于物主代词，用在表示身体部位的名词前：Shecaughtmebythearm..她抓住了我的手臂。8)用在某些由普通名词构成的国家名称、机关团体、阶级、等专有名词前：thePeople'sRepublicofChina中华人民共和国theUnitedStates美国9)用在表示乐器的名词之前：Sheplaysthepiano.她会弹钢琴。10)用在姓氏的复数名词之前，表示一家人：theGreens格林一家人(或格林夫妇)11)用在惯用语中：intheday,inthemorning(afternoon，evening),thedayaftertomorrowthedaybeforeyesterday,thenextmorning,inthesky(water，field，country)为搞好山东省交通科学研究所研发基地项目的结算审计工作,我跟踪审计部特针对本项目作如下要求,请各施工单位、供货单位遵照执行：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)inthedark,intherain,inthedistance,inthemiddle(of),intheend,onthewhole,bytheway,gotothetheatre零冠词1)国名，人名前通常不用定冠词：England，Mary;2)泛指的复数名词，表示一类人或事物时，可不用定冠词;Theyareteachers.他们是教师。3)抽象名词表示一般概念时，通常不加冠词;Failureist