导入数据的常见方法

导入数据的常见方式介词的使用1.to:increase/decreaseto：上升/下降到…..，表变化后的数值例：TheaverageincomeofEricincreasedrapidlyto2000dollarsin2010.2.by:increase/decreaseby：上升/下降了…..，表变化的程度例：Overthelastdecade,theaverageweightofEricincreasedby200pounds.3.from…to…：increase/decreasefrom…to，(注意：from和to必须成对使用)从..上升/下降到….,一段趋势的起点值和终点值例：Thenumberofvolunteersincreasedfrom1500in2000to2000in2002.4.by…to…：increase/decreaseby…to…,变化了多少后到达到某个值例：Overthefollowing3years,theaverageincomeofEricincreasedby500dollarsto2000dollarsin2002.5.at:at….:只用于一些固定搭配中。保持平稳类动词：leveloffat…./remainconstantat/remainstableat/keepthesameat…

Thefigureleveledoffat800tonsforadecade.达到最低/最高：peakat/bottomoutat…平均值：averageoutat...Thefigureaveragedoutat500between1900and2000.介词短语导入数据1.研究对象（纵坐标）+趋势动词+幅度副词+介词短语a.TheaverageincomeofEricincreasedrapidlytothepeakat2000dollarsin2010.b.TheaverageincomeofEricincreased

from1500dollarsin2000

to2000dollarsin2002.c.

Overthelastdecade,theaverageincomeofEricincreasedby2000dollars.描述平稳趋势时最好选用该句型d.BetweenOctoberandNovember,thesalesremainedalmostconstantat200milliondirhams.e.Afterthat,thesalesleveledoffat200milliondirhamsbetweenOctoberandNovember,介词短语导入数据2.Therebe句型+介词短语a.Sincethen,therewasanincreasingtendencyintheaverageincomeofEricfrom1500dollarsin1998to3000dollarsin2002.(时间紧跟数据)b.Between1998and2002,therewasadeclineintherateofmalesmokersfrom20%totheminimumof3%.（时间放句首）c.However,overthenextfourhours,therewasanincreasingtendencyinthenumberofTVviewersfrom200millionto300millionbetween8amand11am.(时间放句尾）介词短语导入数据3.Theperiod句型（横坐标）+介词短语Theperiodfrom1998to2000witnessesadramaticascendencyintheaverageincomeofEricfrom1500dollarstothemaximumof3000dollars.(时间放至句首，单位紧跟数值)介词短语导入数据4.Thetrend句型+介词短语Thetrendwastowards+adramaticriseintheaverageincomeofEricfrom1500dollarsin2005tothemaximumof3000dollarsin2010.（时间和单位紧跟数值）介词短语导入数据5.研究对象（横坐标）+经历动词句型+介词短语a.Between2005and2010,therateofbirthworldwideexperiencedstabilizationat20per1000.(时间放至句首，单位在数值之后)b.Therateofdeathworldwideexperiencedasignificantrisefrom20per1000in2005to40perthousandin2010.(单位与时间紧跟数值)定语从句导入数据1.Therebe+a/an+幅度形容词+趋势名词+in+研究对象+定语从句。a.TherewasanincreasingtendencyintheaverageincomeofCici,whichrosefrom1500dollarsin1998tothepeakat3000dollarsin2002.(时间紧跟数据)提示：定语从句中的动词必须使用与be动词相同的时态，不可以用Ing分词形式。定语从句导入数据2.Theperiod（横坐标）开头句型+定语从句Theperiodfrom1998to1999+witnesses+adramaticascentintheaverageincomeofEric,whichroseby100dollarsto300dollars.（时间位于句首和单位紧跟数值）定语从句导入数据3.Thetrend开头句型+定语从句Between1998and2002,thetrendwastowardsaascentintheaverageincomeofEric,whichrosefrom1500dollarstothehighpointof3000dollars.(时间段位于句首，单位紧跟数值)定语从句导入数据4.研究对象（横坐标）+经历动词句型+定语从句Therateofdeathworldwideexperiencedasignificantriseinthenext5years,whichincreasedto40perthousandin2010.（时间位于数值前，单位紧跟数值)分词短语导入数据1.研究对象（纵坐标）+趋势动词+幅度副词+分词短语a.Afterwards,thefiguredecreasedrapidly,reachingthebottomat150milliondirhamsinJune.b.Overthefollowing5months,thesalesofgolddeclinedconsiderably,bottomingoutat150milliondirhamsinJune.c.TheaverageincomeofEricalmostdoubled,increasing

from1500dollarsin2000

to2000dollarsin2002.分词短语导入数据2.Therebe开头句型+分词短语。a.TherewasanincreasingtendencyintheaverageincomeofEric,risingfrom1500dollarsin1998to3000dollarsin2002.(时间紧跟数据)b.Fromthatpointon,therewasanrapiddecreasingtendencyinsales,droppingtothelowpointof150milliondirhamsinJune.分词短语导入数据3.Theperiod（横坐标）开头句型+分词短语Theperiodfrom1998to2000witnessesadramaticascendencyintheaverageincomeofEric,increasingfrom1500dollarstothemaximumof3000dollars.（时间位于句首和单位紧跟数值）分词短语导入数据4.Thetrend开头句型+分词短语Between1998and2002,thetrendwastowardsaascendencyintheaverageincomeofEric,goingupfrom1500dollarsto3000dollars.(时间段位于句首，单位紧跟数值)分词短语导入数据5.研究对象（横坐标）+经历动词句型+分词短语Therateofdeathworldwideexperiencedasignificantrisebetween2005and2010,increasingfrom20per1000to40perthousand.（时间位于数值前，单位紧跟数值)with+thefigure/percentage/n+V-ing导入数据1.Therebe开头句型+介词短语。a.TherewasanincreasingtendencyintheaverageincomeofEric,withthefigurerisingfrom1500dollarsin1998to3000dollarsin2002.(时间紧跟数据)with+thefigure/percentage/n+V-ing导入数据2.Theperiod（横坐标）开头句型+介词短语Theperiodfrom1998to2000witnessesadramaticascentintheaverageincomeofEric,withthefigureincreasingfrom1500dollarstothemaximumof3000dollars.（时间位于句首和单位紧跟数值with+thefigure/percentage/n+V-ing导入数据3.Thetrend开头句型+介词短语Between1998and2002,thetrendwastowardsaascentintheaverageincomeofEric,

withthefiguregoingupfrom1500dollar