1高中英语考点系统数词和序数词

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)做成幻灯片效果不错，加油啊高中英语考点系统数词和序数词基数词序数词0zero1onefirst/1st第一2twosecond/2nd第二3threethird/3rd第三4fourfourth/4th第四5fivefifth/5th第五6sixsixth/6th第六7sevenseventh/7th第七8eighteighth/8th第八9nineninth/9th第九10tententh/10th第十11eleveneleventh/11th第十一12twelvetwelfth/12th第十二13thirteenthirteenth/13th第十三14fourteenfourteenth/14th第十四15fifteenfifteenth/15th第十五16sixteensixteenth/16th第十六17seventeenseventeenth/17th第十七18eighteeneighteenth/18th第十八19nineteennineteenth/19th第十九20twentytwentieth/20th第二十21Twenty-onetwenty-first/21st第二十一22Twenty-twotwenty-second/22nd第二十二23Twenty-threetwenty-third/23rd第二十三30thirtythirtieth/30th第三十40fortyfortieth/40th第四十50fiftyfiftieth/50th第五十60sixtysixtieth/60th第六十70seventyseventieth/70th第七十80eightyeightieth/80th第八十90ninetyninetieth/90th第九十100hundredhundredth/100th第一百基数词的构成和用法（1）最基本的基数词如下表所示：onetwothreefourfivesixseveneightnineteneleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteenandperformancetestcopiesoftherecord.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)twentythirtyfortyfiftysixtyseventyeightyninety（2）基数词的写法①21～99的两位数，十位与个位之间用连字符“－”。例：◇21twenty－one◇32thirty－two◇98ninety－eight◇99ninety－nine②101～999的三位数，百位数和后面的数之间用连词and，百、千等数词一律用单数形式。例：◇101onehundredandone◇225twohundredandtwentyfive◇999ninehundredandninety－nine③1000以上的数，从后面向前数，每三位中间点“，”，第一个“，”前为thousand，第二个“，”前为million，第三个“，”前为billion。例：◇2，567twothousandfivehundredandsixty－seven◇3，018threethousandandeighteen（3）基数词的用法①作主语。例：◇Tenisaveryimportantnumber．十是一个很重要的数字。◇Twoandthreeare（is）five．2加3等于5。②作定语。例：◇Onekilometerisequaltotwoli．1公里等于2华里。◇Shehasthreebrothers．她有三个兄弟。③作宾语。例：◇Iwantedthreebuthegavemefive．我想要三个，但他给了我五个。◇Igetupbeforesixeveryday．我每天六点之前起床。④作表语。例：◇—Whattimeisit？几点钟啦？—It’sten．十点。（4）疑难点hundred，thousand和million在合成数词中一般用单数形式，但是用来表示不定数目时，用作复数形式。例：◇Hundredsofworke