如图，在矩形ABCD中，点E在AD上，且EC平分∠BED，AB=2，∠ABE=45°，则DE的长为( )2A...
问题详情：如图，在矩形ABCD中，点E在AD上，且EC平分∠BED，AB=2，∠ABE=45°，则DE的长为()2A．2 -2 B．-1 C． -1 D．2-【回答】A 知识点：特殊的平行四边形题型：选择题...
单项选择Reading in bed
问题详情：单项选择Reading in bed ____ eyes. A. is bad for B. is bad at C. is good for D. is good at【回答】A知识...
用“sofa bed”造句大全，sofa bed造句
OurmainproductsareLeisurefunctionsofa,singlesofa,kidssofa,sofabed,benchandottoman.Theyofferalounge-diningroomwithdoublesofabed.Thekitchenhasanelectriccookerandanoven.Forexample,thiskindofsofabedoflarg...
用“spring bed”造句大全，spring bed造句
1、Itisaspringbed.2、It'snotgoodtosleeponaspringbed-bloodcirculationisbroken.3、Thepriorknottedbedcoreoutputdevicecannotbeusedforthedeliveryofnon-coreknottingspringbedcore.4、Theutilitymodelisbasedon...
用“the narrow bed”造句大全，the narrow bed造句
1、Lovewillnothavethenarrowbedwithoutmarriagethoughmarriageisthegraveoflove.2、Catherinewaslyinginthenarrowbedwearingaplain,square-cutnight-gownthatlookedasthoughitweremadeofroughsheeting....
用“bed with”造句大全，bed with造句
child'sbedwithhighsides.Cometobedwithme.ababy'sbedwithsidesandrockers.They'rebothinbedwithflu.inbedwithatummyupsetHeisinbedwithflu.Peoplewhothinkthey'regoodinbedofteninsistondraggingaccessoriesint...
---WhereisTom? ---Ithinkhe’sstillin bed,...
问题详情：---WhereisTom? ---Ithinkhe’sstillin bed,buthemightjustbein bathroom. A．/,/ B．/,the ...
用“go to bed”造句大全，go to bed造句
Wegotobedinbroaddaylight.Dear,gotobed.You'reslumbering.Goanddoyourhomeworkandthengotobed.Towakeupearly,(youmust)gotobedearly."Iwanttogotobed,"Ahyuansaidplaintively.Ishallhaveahotbathandgotobed.Plea...
用“bed of roses”造句大全，bed of roses造句
LifeforDounan'sfloriculturalistsisindeedabedofroses.Myhomeisnotabedofrosesbecausetherearesomanyquarrels.Evenbeforehebecamesick,however,hislifewasnobedofroses.Workingasashopgirl,standingonyourfeetalld...
用“marker bed”造句大全，marker bed造句
Thesecondandninthelectrichorizonsarelowresistivitymarkerbedsinthisarea.Oneormorekeymarkerbedswereidentifiedforthepurposeofleasinganddrilling....
用“bed time”造句大全，bed time造句
YoucansleepUNDERyourbedtimestory!Setabedtime.Soundschildish,butitworks.It'snotMom'srule,butruleofthehouse,lunchtime,bedtime,houseworktime,homeworktime,TVtime,playtime,etc.Doitonascheduletoo;pickabed...
用“death bed”造句大全，death bed造句
Napoleondiesonhisdeathbed,wakesupinheavensayingJesuisNapoleon.Citi’sbossdivulgedtheinformationinaninternalmemothatwasleaked,causingCiti’ssharepricetorisefromitsdeathbed,havingfallentoaround$1.ItwasB...
如图，AB∥EF∥CD，EG平分∠BEF，∠B＋∠BED＋∠D＝192°，∠B－∠D＝24°，则∠GEF＝ ...
问题详情：如图，AB∥EF∥CD，EG平分∠BEF，∠B＋∠BED＋∠D＝192°，∠B－∠D＝24°，则∠GEF＝ ．【回答】【提示】由AB∥EF∥CD，可知∠BED＝∠B＋∠D．已知∠B＋∠BED＋∠D＝192°．∴2∠B＋2∠D＝192°，∠B＋∠D＝96°．又 ∠B－∠D＝24°．于是可得关于∠B、∠D的...
如图，在矩形ABCD中，∠B的平分线BE与AD交于点E，∠BED的平分线EF与DC交于点F，若AB＝9，DF＝...
问题详情：如图，在矩形ABCD中，∠B的平分线BE与AD交于点E，∠BED的平分线EF与DC交于点F，若AB＝9，DF＝2FC，则BC＝ ．（结果保留根号）【回答】．【分析】先延长EF和BC，交于点G，再根据条件可以判断三角形ABE为等腰直角三角形，并求得其斜边BE的长...
如图，AB∥CD，点EF平分∠BED，若∠1=30°，∠2=40°，则∠BEF的度数是（ ）A．70°B．6...
问题详情：如图，AB∥CD，点EF平分∠BED，若∠1=30°，∠2=40°，则∠BEF的度数是（）A．70°B．60°C．50°D．35°【回答】D【考点】平行线的*质．【分析】直接利用平行线的*质得出∠D的度数，再利用三角形外角的*质以及角平分线的*质得出*．【解...
用“coal bed”造句大全，coal bed造句
overallthicknessofcoalbedBuildingcoalbedgeologicalmodelbySURFERFittingvarigramofcoalbedevaluationwithGEO-EASsoftwareTherelationshipbetweenthepermeabilityofcoalbedandproductioncurveaboutcoal-bedmethane...
用“bed”造句大全，bed造句
simulatedmovingbedseparatoranalogmovingbedadsorptionseparationabed-cum-sittingroomTherivetsbedagainsttheflatplate.I'llbeddownonthesofa.Shetuckedtheboyinbed.Thecoinrolledunderthebed.Dear,gotobed.You'...
用“sloping bed”造句大全，sloping bed造句
1、Energyevolutiongeneratedbywavespropagateoversubmergedbreakwateronaslopingbed2、WavepropagationoverasubmergedbreakwateronaslopingbedusingalayeredBoussinesqequation3、Florencewascarriedinsideandlaido...
用“bed of thorns”造句大全，bed of thorns造句
Forthelastfewmonths,hehasbeenonabedofthorns.Finally,alwaysintroubleofconscience,likealongbedofthorns,theturntoturntonolongersleep....
用“hot bed”造句大全，hot bed造句
1、Afterurinating,hecarefullyputthetilebasinbackonthestoolandslippedintothehotbed.2、Steelcoatedwithalayerofzinc.Usuallyprocessedbydippingthesteelintoahotbedofzinc.3、Inthewintermorning,whenitwasdarko...
用“lathe bed”造句大全，lathe bed造句
Weredesignboardoflathebedanddoorderoptimization.Thelathebedismadeofcastiron.Nowlathebedlackseffectivedesignofrationalbasis;structuraldesignbedisnotenoughreasonable.Parametersrecognition,opitimizationa...
用“bed rock”造句大全，bed rock造句
Thedistributionshaveacloserelationwithbedrockproperty,littoralzonetypes,geography,watersystems,hydraulicconditionsandbedpropertyofseabottom.Thetechnologymeasuresofbedrockaciding,preflushandgellingacid...
用“reservoir bed”造句大全，reservoir bed造句
AttackingchelatingacidcompletionfluidforimprovingreservoirbedSaertuoil-bearinglayerinDabeiOilfieldisanextra-lowpermeablereservoirbed.Accordingthethedistributionofancienthydrodynamicpotentialinreservoi...
用“suspended bed”造句大全，suspended bed造句
Thiscoolsuspendedbedwillspiceupanycontemporarybedroom.Residuumsuspendedbedhydrocrackingprocessatmediumpressurewasstudiedbyusinghomogeneousdesignexperimentalproject.Thisroomfeaturesasuspendedbedandalso...
用“pebble bed”造句大全，pebble bed造句
1、pebblebedreactorexperiment2、Thewaythesepebblebedreactorsworkistheheliumcomesinupthesideanddownthroughthepebblebed.It'snotafluidisedbed.3、Andthisisdonebecausethecontrolrodsarenotinthepebblebed.4...