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已知：如图，AB是⊙O的直径，AD是弦，OC垂直AD于F交⊙O于E，连接DE、BE，且∠C=∠BED．（1）求...

已知：如图，AB是⊙O的直径，AD是弦，OC垂直AD于F交⊙O于E，连接DE、BE，且∠C=∠BED．（1）求...

2019-10-04
问题详情：已知：如图，AB是⊙O的直径，AD是弦，OC垂直AD于F交⊙O于E，连接DE、BE，且∠C=∠BED．（1）求*：AC是⊙O的切线；（2）若OA=10，AD=16，求AC的长． 【回答】（1）*：∵∠BED=∠BAD，∠C=∠BED，∴∠BAD=∠C．（1分）∵OC⊥AD于点F，∴∠BAD+∠AOC=90°．（2分）∴∠C...
 如图，AB是⊙O的直径，点E是上的一点，∠DBC＝∠BED．⑴.求*：BC是⊙O的切线；⑵.已知AD＝3，C...

 如图，AB是⊙O的直径，点E是上的一点，∠DBC＝∠BED．⑴.求*：BC是⊙O的切线；⑵.已知AD＝3，C...

2021-07-31
问题详情： 如图，AB是⊙O的直径，点E是上的一点，∠DBC＝∠BED．⑴.求*：BC是⊙O的切线；⑵.已知AD＝3，CD＝2，求BC的长．【回答】1）AB是⊙O的直径，得∠ADB＝90°，从而得出∠BAD＝∠DBC，即∠ABC＝90°，即可*BC是⊙O的切线；（2）可*△ABC∽△BDC，则＝，即可得出BC＝；知...
用“marriage bed”造句大全，marriage bed造句

用“marriage bed”造句大全，marriage bed造句

2019-01-21
Icannotcomposeanything,Iamclosertothecoffinthanthemarriagebed.-fromGlasgowThuschildrenwhowerenotconceivedinthemarriagebed,weresaidtobeconceived“onthebast”andwerethereforebastards.Theseancientbedsare...
用“movable bed”造句大全，movable bed造句

用“movable bed”造句大全，movable bed造句

2018-02-28
ANNmodelforflowresistanceofmovablebedformedbyuniformsedimentChooseabedwithmovablebedside,thenacomfortableanglecanbeadjustedbyyou.Theeffectsofpermeablepilegroyneslaidoutalongthethalwegincontrolandguide...
用“bed sores”造句大全，bed sores造句

用“bed sores”造句大全，bed sores造句

2021-02-13
bedsoresareacommoncomplicationincasesofparalysis."Inactivityandbedsoreswerepushingthemtowarddeath…heredeathissoclose,"hesaid.ObjcetiveTostudytheadvantagesoftreatinglargeseriousbedsoresbygentamicina...
用“expanded bed”造句大全，expanded bed造句

用“expanded bed”造句大全，expanded bed造句

2018-09-03
DynamicsimulationofanexpandedbedreactorforMTBEsynthesisSeparationoflactoferrinfromwheybyexpandedbedadsorptionwithmixed-modeadsorbentDuetofluidization,thestaticbedofsandparticlesexpandsandtheheightofth...
用“reservoir bed”造句大全，reservoir bed造句

用“reservoir bed”造句大全，reservoir bed造句

2019-02-20
AttackingchelatingacidcompletionfluidforimprovingreservoirbedSaertuoil-bearinglayerinDabeiOilfieldisanextra-lowpermeablereservoirbed.Accordingthethedistributionofancienthydrodynamicpotentialinreservoi...
用“lathe bed”造句大全，lathe bed造句

用“lathe bed”造句大全，lathe bed造句

2018-05-01
Weredesignboardoflathebedanddoorderoptimization.Thelathebedismadeofcastiron.Nowlathebedlackseffectivedesignofrationalbasis;structuraldesignbedisnotenoughreasonable.Parametersrecognition,opitimizationa...
用“marital bed”造句大全，marital bed造句

用“marital bed”造句大全，marital bed造句

2024-01-05
1、Hesaidthemoderntraditionofthemaritalbedonlybeganwiththeindustrialrevolution,whenpeoplemovingtoovercrowdedtownsandcitiesfoundthemselvesshortoflivingspace.2、Themaritalbed,oncethesymbolofAmericanmatr...
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用“spouted bed”造句大全，spouted bed造句

2024-01-28
1、Rectangularspoutedbedhadbetterhydrodynamicsanddesulfurizationcharacteristicthanconical-cylindricspoutedbed.2、Anewsemi-drydesulfurizationtechniqueusingsprayspoutedbedwasproposedwhichconnectedwithfl...
用“hot bed”造句大全，hot bed造句

用“hot bed”造句大全，hot bed造句

2024-02-23
1、Afterurinating,hecarefullyputthetilebasinbackonthestoolandslippedintothehotbed.2、Steelcoatedwithalayerofzinc.Usuallyprocessedbydippingthesteelintoahotbedofzinc.3、Inthewintermorning,whenitwasdarko...
用“creek bed”造句大全，creek bed造句

用“creek bed”造句大全，creek bed造句

2018-08-09
Shethoughtwewereofftosearchthedrycreekbed,andIdidn'tcorrecther.Arching275feet(84meters)acrossand290feet(88meters)abovethecreekbedbelow,RainbowBridgeintheUtahdeserthasbeenasourceofinspirationandwonder...
用“marker bed”造句大全，marker bed造句

用“marker bed”造句大全，marker bed造句

2017-11-19
Thesecondandninthelectrichorizonsarelowresistivitymarkerbedsinthisarea.Oneormorekeymarkerbedswereidentifiedforthepurposeofleasinganddrilling....
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用“shale bed”造句大全，shale bed造句

2018-08-04
Thefourthoilshalebeddevelopedinlacustrinebogdistributesunsteadilywithsmallthickness.Itisbelongtotheoilshaleofmiddleashandoilyield.Theshalebedsinbetweengenerallydeformplastically....
用“dry bed”造句大全，dry bed造句

用“dry bed”造句大全，dry bed造句

2017-05-01
Theypassedthedrybedofarivulet.Isankgratefullyintothewarm,drybed.Accordingtothethermolysisassessmentstandardofreservoiroilpotentialwhichisbasedonthethermolysisdataofacertainbasin,areservoircouldbequali...
用“bed”造句大全，bed造句

用“bed”造句大全，bed造句

2017-11-21
simulatedmovingbedseparatoranalogmovingbedadsorptionseparationabed-cum-sittingroomTherivetsbedagainsttheflatplate.I'llbeddownonthesofa.Shetuckedtheboyinbed.Thecoinrolledunderthebed.Dear,gotobed.You'...
用“sofa bed”造句大全，sofa bed造句

用“sofa bed”造句大全，sofa bed造句

2016-12-07
OurmainproductsareLeisurefunctionsofa,singlesofa,kidssofa,sofabed,benchandottoman.Theyofferalounge-diningroomwithdoublesofabed.Thekitchenhasanelectriccookerandanoven.Forexample,thiskindofsofabedoflarg...
用“flower bed”造句大全，flower bed造句

用“flower bed”造句大全，flower bed造句

2017-07-21
Howfragranttheflowersareintheflowerbed!Shekneltdowntopullaweedfromtheflowerbed.We'llHelpYouGrow-Whetherit'swateringasingleflowerbedinyouryardordevelopingyourirrigationbusiness.Weworkedinthegardenfor...
用“tumor bed”造句大全，tumor bed造句

用“tumor bed”造句大全，tumor bed造句

2017-03-12
Thewholebreast,chestwallandregionallymphnodeswereirradiated,followedbytumorbedboostforallpatients.Interstitialbrachytherapy,theplacementoftheisotopeintoatumorbedwherenolumenexists,hasbeendescribedbuti...
用“seedling bed”造句大全，seedling bed造句

用“seedling bed”造句大全，seedling bed造句

2024-01-13
1、makingofseedlingbed2、seedlingbedtemperature3、Studyoneffectofdrenchfulvicfertilizertopaddyseedlingbed4、Itisconcludedthat90%istheoptimisticsoilmoisturecontentfortomatoseedlingbedirrigation.5、Thes...
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用“bunk bed”造句大全，bunk bed造句

2018-02-12
Whynotchooseabunkbedforyourchildren?Isthatasofaorabunkbed?Ourproductsare:largesolidwoodbeds,solidwoodbunkbeds,andsolidwoodbedcluster.BaikickedoffhersandalsandsprawledoutonaTromsobunkbed.Motherboostedt...
用“sloping bed”造句大全，sloping bed造句

用“sloping bed”造句大全，sloping bed造句

2023-12-28
1、Energyevolutiongeneratedbywavespropagateoversubmergedbreakwateronaslopingbed2、WavepropagationoverasubmergedbreakwateronaslopingbedusingalayeredBoussinesqequation3、Florencewascarriedinsideandlaido...
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用“death bed”造句大全，death bed造句

2022-01-14
Napoleondiesonhisdeathbed,wakesupinheavensayingJesuisNapoleon.Citi’sbossdivulgedtheinformationinaninternalmemothatwasleaked,causingCiti’ssharepricetorisefromitsdeathbed,havingfallentoaround$1.ItwasB...
用“air bed”造句大全，air bed造句

用“air bed”造句大全，air bed造句

2017-05-31
Thankgod,weboughtaverygoodairbed.Charactersandmainuse:lightweighted,flexible,goodlowtemperatureresistance,airtightnessandheatwelt.suitableformakinglifejacket,airbag,airbed,aircushionandwaterbag.Ahardd...
---WhereisTom?          ---Ithinkhe’sstillin       bed,...

---WhereisTom?          ---Ithinkhe’sstillin       bed,...

2023-02-23
问题详情：---WhereisTom?          ---Ithinkhe’sstillin       bed,buthemightjustbein     bathroom.                  A．/,/                 B．/,the ...