TherewasonethingIfoundratherstrangeonmyfirstdayatMonk’’sHouse.ThebathroomwasdirectlyabovethekitchenandwhenMrs.Cranewasbathingbeforebreakfast.Icould,throughthethinfloor,hearherwhisperingtoherself,askingquestionsandgivingherselftheanswers.WhenMr.CranesawthatIlookedsosurprisedhetoldmethatMrs.Cranealwayssaidthesentencesoutloudthatshehadwrittenatnight.Shewantedtoknowiftheysoundedrightandthebathwasagoodplacefortryingthemout. Everymorning,whenwecarriedthebreakfasttraystoMrs.Crane’’sroomInoticedthatshehadalwaysbeenworkingduringthenight.Therewerepencilsandpaperbesideherbedsothatwhenshewokeupshecouldwork,andsometimesitseemedasifshehadgotverylittlesleep. Mrs.Crane’’sbedroomwasoutsidethehouseinthegarden;Iusedtothinkhowinconvenientitmustbetohavetogooutintheraintogotobed.Herbedroomhadbeenaddedontothebackofthehouse;thedoorfacedthegardenandawindowatthesideopenedouttoafield.Irememberthatcowcameonenightandputitsheadinthroughthewindow.ItamusedMrs.Craneverymuch,butincaseithappenedagainMr.Craneboughtthefieldaddingpartofittothegarden.Becausethewritingroomwassmall,hehadalargeronebuiltforherattheendofthegardenagainstthechurchwall. Shewastallandthinandverygraceful.Shehadlarge,deep-seteyesandawidecurvingmouthIthinkperhapsitwasthisthatmadeherfaceseemparticularlybeautiful.Mrs.Craneworeclothesthatsuitedherwell.Shewasnotcapableofsewing,althoughsometimesshelikedtotry.TherewasonethinginthekitchenthatMrs.Cranecarrieditout.Shereturnedtwoorthreetimesamorning,workatit.AtlastshemadeitintotheshapeofacottageloafandbakeditatjusttherighttemperatureThemainideaofthepassageisthat____________.
A: Mrs.Cranewasagreatwriterwhowouldmakeherworksassureaspossible
B: Mrs.Cranebecameagoodwriterwhowouldmakeherworksassureaspossible
C: theauthorgivesageneraldescriptionofMrs.Crane’’slife
D: Mrs.Cranewasagoodhousekeeperaswellasagreatwriter
A: Mrs.Cranewasagreatwriterwhowouldmakeherworksassureaspossible
B: Mrs.Cranebecameagoodwriterwhowouldmakeherworksassureaspossible
C: theauthorgivesageneraldescriptionofMrs.Crane’’slife
D: Mrs.Cranewasagoodhousekeeperaswellasagreatwriter
举一反三
- TherewasonethingIfoundratherstrangeonmyfirstdayatMonk’’sHouse.ThebathroomwasdirectlyabovethekitchenandwhenMrs.Cranewasbathingbeforebreakfast.Icould,throughthethinfloor,hearherwhisperingtoherself,askingquestionsandgivingherselftheanswers.WhenMr.CranesawthatIlookedsosurprisedhetoldmethatMrs.Cranealwayssaidthesentencesoutloudthatshehadwrittenatnight.Shewantedtoknowiftheysoundedrightandthebathwasagoodplacefortryingthemout. Everymorning,whenwecarriedthebreakfasttraystoMrs.Crane’’sroomInoticedthatshehadalwaysbeenworkingduringthenight.Therewerepencilsandpaperbesideherbedsothatwhenshewokeupshecouldwork,andsometimesitseemedasifshehadgotverylittlesleep. Mrs.Crane’’sbedroomwasoutsidethehouseinthegarden;Iusedtothinkhowinconvenientitmustbetohavetogooutintheraintogotobed.Herbedroomhadbeenaddedontothebackofthehouse;thedoorfacedthegardenandawindowatthesideopenedouttoafield.Irememberthatcowcameonenightandputitsheadinthroughthewindow.ItamusedMrs.Craneverymuch,butincaseithappenedagainMr.Craneboughtthefieldaddingpartofittothegarden.Becausethewritingroomwassmall,hehadalargeronebuiltforherattheendofthegardenagainstthechurchwall. Shewastallandthinandverygraceful.Shehadlarge,deep-seteyesandawidecurvingmouthIthinkperhapsitwasthisthatmadeherfaceseemparticularlybeautiful.Mrs.Craneworeclothesthatsuitedherwell.Shewasnotcapableofsewing,althoughsometimesshelikedtotry.TherewasonethinginthekitchenthatMrs.Cranecarrieditout.Shereturnedtwoorthreetimesamorning,workatit.AtlastshemadeitintotheshapeofacottageloafandbakeditatjusttherighttemperatureBakingbeautifulbread,accordingtothewriter____________. A: wastheonlythingMrs.Cranewasgoodat B: wassomethingshelikedtotryoccasionally C: broughtherintothekitchenseveraltimesinthemorning D: pleasedheronlywhenitwasbakedattherighttemperature
- MRS指的是
- 边际替代率如果用MRS表示的话,我们有两个公式成立:公式1:MRS=MUx/MUy;公式2:MRS=-∆Y/∆X。于是
- 边际替代率如果用MRS表示的话,我们有两个公式成立:公式1:MRS=MUX/MUY,公式2:MRS=∆Y/∆X。于是我们有如下结论:
- 关于MRI与MRS的区别,正确的是() A: MRS通常以谱线及数值表示代谢产物的信息 B: MRI得到的是解剖图像 C: 外加磁场强度越低越有助于MRS谱线的显示 D: MRS对磁场的强度及磁场均匀度有着更高的要求 E: 将MRS的信号变化标记到MRI上,直观显示代谢情况,称为MRS成像