湘教版七年级英语上册期末试卷

地形平坦开阔，地层由第四系全新冲积层，第四系上更新统冲层组成，局部表覆第四系全新统人工堆积层。第四系全新统冲积层厚度约25～50m，岩性主要为黏土、粉质黏土、粉土、粉砂、细砂；第四系上更新统冲积层厚度大于50m，岩性主要为黏性土、粉土、粉细砂等。管桩深度范围内地层主要为：粉土、黏土、粉质黏土，局部表层为杂填土。couplingCentreshallbechecked,thesecondpouredconcretestrengthofmorethan70%.Intheprocessofreamingorboring,apartfromthespecialprovisionsinfactory,doesnotallowanyworkthatmayaffectthecouplingCentre,suchasirrigation,tocylinderconnectionstofloodthecondenserpipesandsoon.Wellboring,hingeboltholeflangewithcouplingofvertical,notoblique.Mountingboltsshouldbeaddedlubricants,typinggentlywithasmallhammer,nottoolooseortootight,packedtheboltswiththecorrespondingsealscrewholeshouldbemarked.6.4.5.4.2couplingreamedandpairingsisclosetothediameterofboltbearinggoodhingeholes,dressedwithagoodtwocouplingboltsbeforeyoucanmovetherotor,boring-reamingholeinturn.Couplingboltsmustbetightcouplingissymmetricaldiameter,inboring,reaming,twoboltsout.Wellboring,hingeboltholeflangewithcouplingofvertical,notoblique.Duetothecouplingboltsinaccordancewithhingeholescorrespondingtothediameterofthescrewholesonebyoneafterprocessing,processingbackboltinstallationlocationcannotbechanged,soaccordingtoboltaftertheactualweightdifferenceofnutandlockwashertomatch.Generalrequirementsforcouplingtwosymmetricaldiameterbolt,nutandlockwasher'stotalweightdifferenceshouldnotbegreaterthan10gandknocksstampedmark.(SeeFigure18)Thecouplingboltsapplylubricant,andthengentlywithcopperhome,nottoolooseortootight.BoltAssemblyisfinished,symmetricaltighteningallboltsto30%,50%,70%,100%force,andcheckthecouplingflutterandbeforeconnectingthecirclegraduallychangesitsvalueshouldbelessthan0.02mm.Tighteningtorqueofthecouplingboltsshallcomplywiththetechnicalrequirementsmanufacturersdrawings,withadynamometricwrenchorlogtensiontools.Threewheelrotorswingtestcouplingconnectionsshouldbechecked:takingleave,湘教版七年级英语上册期末试卷卷卷首首语语：：亲爱的同学们，转眼间新年到了。当我们对这一学期的英语学习进行最后的评价时，春天已经悄悄地向我们走来-----回首过去的一学期，既有失败的经历，又有成功的喜悦。我们哭过、笑过、彷徨过；我们输过、赢过、拼搏过。听！新年的钟声已经敲响，让我们挥手告别过去，昂首迎接未来。我们相信在新的起点上，每个人心中都充满了期盼：期盼着更多的成功、期盼着更多的挑战、也期盼着自己能拿出一份满意的答卷！一、写出下列代词的相应形式：第一人称第二人称第三人称单数复数单数复数单数复数主格宾格形代名代反代二、选择填空：（）1.—________.Canyouspelltiger?—_________,Ican't.A.Sorry;SorryB.Excuseme;SorryC.Sorry;ExcusemeD.Excuseme;Excuseme（）2.—________arethey?—They’redoctors.A.WhoB.WhoseC.HowDWhat.（）3.—MayIstudyEnglishwithyou?—__________A.No,youcan’t.B.Whatdoyouwantmetodo?C.Noproblem.D.Pleaseletushelpyou.（）4.—______________?—He’soldwithwhitehairA.Whatishe?B.Whoishe?C.Whatdohelooklike?D.Whatdoeshelooklike?（）5.—Jane,wouldyouliketogoshoppingwithmethisafternoon?—________A.Oh,I'dloveto.B.Iwanttobuysomethingsforyou.C.I'dlike.D.Whydon'tyoudoityourself?地形平坦开阔，地层由第四系全新冲积层，第四系上更新统冲层组成，局部表覆第四系全新统人工堆积层。第四系全新统冲积层厚度约25～50m，岩性主要为黏土、粉质黏土、粉土、粉砂、细砂；第四系上更新统冲积层厚度大于50m，岩性主要为黏性土、粉土、粉细砂等。管桩深度范围内地层主要为：粉土、黏土、粉质黏土，局部表层为杂填土。couplingCentreshallbechecked,thesecondpouredconcretestrengthofmorethan70%.Intheprocessofreamingorboring,apartfromthespecialprovisionsinfactory,doesnotallowanyworkthatmayaffectthecouplingCentre,suchasirrigation,tocylinderconnectionstofloodthecondenserpipesandsoon.Wellboring,hingeboltholeflangewithcouplingofvertical,notoblique.Mountingboltsshouldbeaddedlubricants,typinggentlywithasmallhammer,nottoolooseortootight,packedtheboltswiththecorrespondingsealscrewholeshouldbemarked.6.4.5.4.2couplingreamedandpairingsisclosetothediameterofboltbearinggoodhingeholes,dressedwithagoodtwocouplingboltsbeforeyoucanmovetherotor,boring-reamingholeinturn.Couplingboltsmustbetightcouplingissymmetricaldiameter,inboring,reaming,twoboltsout.Wellboring,hingeboltholeflangewithcouplingofvertical,notoblique.Duetothecouplingboltsinaccordancewithhingeholescorrespondingtothediameterofthescrewholesonebyoneafterprocessing,processingbackboltinstallationlocationcannotbechanged,soaccordingtoboltaftertheactualweightdifferenceofnutandlockwashertomatch.Generalrequirementsforcouplingtwosymmetricaldiameterbolt,nutandlockwasher'stotalweightdifferenceshouldnotbegreaterthan10gandknocksstampedmark.(SeeFigure18)Thecouplingboltsapplylubricant,andthengentlywithcopperhome,nottoolooseortootight.BoltAssemblyisfinished,symmetricaltighteningallboltsto30%,50%,70%,100%force,andcheckthecouplingflutterandbeforeconnectingthecirclegraduallychangesitsvalueshouldbelessthan0.02mm.Tighteningtorqueofthecouplingboltsshallcomplywiththetechnicalrequirementsmanufacturersdrawings,withadynamometricwrenchorlogtensiontools.Threewheelrotorswingtestcouplingconnectionsshouldbechecked:takingleave,（）6.—Pleasecollectsomefirewood.—________—Iaskyoutocollectsomefirewood.A.Ibegyourpardon?B.Whydoyousayso?C.Idon'twanttodoanything.D.I'mcoming.（）7.—Maria,isthisskirt______?—No,it’snot_______A.your,myB.yours,mineC.you,mineD.your,mine（）8.I’mhungrynow,Iwantsomething______A.eatB.eatsC.toeatD.eating（）9.—Whereisthepostoffice?—Idon'tknow.—________A.Thankyou.B.Whydon'tyouknow?C.Pleasetellme.D.Thankyouallthesame.（）10.—How_____arethesedresses?—Aboutonehundredyuan.A.manyB.muchC.longD.often（）11.Thesebooksare_____._____arein_____bags.A.my.You,YouB.My,Yours,yourC.mine,Your,YoursD.mine,Yours,your（）12.Wouldyouli