![在正方形ABCD中，E是边CD上一点（点E不与点C、D重合），连结BE．【感知】如图①，过点A作AF⊥BE交B...]( "在正方形ABCD中，E是边CD上一点（点E不与点C、D重合），连结BE．【感知】如图①，过点A作AF⊥BE交B...")
- 问题详情：在正方形ABCD中，E是边CD上一点（点E不与点C、D重合），连结BE．【感知】如图①，过点A作AF⊥BE交BC于点F．易*△ABF≌△BCE．（不需要*）【探究】如图②，取BE的中点M，过点M作FG⊥BE交BC于点F，交AD于点G．（1）求*：BE=FG．（2）连结CM，若CM=1，则FG的长为．【应用】如图③，取BE的中点M，连结CM．过点C作CG⊥BE交...
- 15466
![（1）问题发现如图1，△ACB和△DCE均为等边三角形，点A，D，E在同一直线上，连接BE．填空：①∠AEB的...]( "（1）问题发现如图1，△ACB和△DCE均为等边三角形，点A，D，E在同一直线上，连接BE．填空：①∠AEB的...")
- 问题详情：（1）问题发现如图1，△ACB和△DCE均为等边三角形，点A，D，E在同一直线上，连接BE．填空：①∠AEB的度数为；②线段AD，BE之间的数量关系为．（2）拓展探究如图2，△ACB和△DCE均为等腰直角三角形，∠ACB=∠DCE=90°，点A，D，E在同一直线上，CM为△DCE中DE边上的高，连接BE，请判断∠AEB的度数及线段CM，AE，BE...
- 20907
![如图所示，AB=AC，AB为⊙O的直径，AC、BC分别交⊙O于E、D，连接ED、BE．（1）试判断DE与BD是...]( "如图所示，AB=AC，AB为⊙O的直径，AC、BC分别交⊙O于E、D，连接ED、BE．（1）试判断DE与BD是...")
- 问题详情：如图所示，AB=AC，AB为⊙O的直径，AC、BC分别交⊙O于E、D，连接ED、BE．（1）试判断DE与BD是否相等，并说明理由；（2）如果BC=6，AB=5，求BE的长．25116377【回答】【考点】圆周角定理；等腰三角形的*质．【分析】（1）可通过连接AD，AD就是等腰三角形ABC底边上的高，根据等腰三角形三线合一的特点，可得出...
- 27050
![在正方形ABCD中，E是边CD上一点（点E不与点C、D重合），连结BE．（感知）如图①，过点A作AF⊥BE交B...]( "在正方形ABCD中，E是边CD上一点（点E不与点C、D重合），连结BE．（感知）如图①，过点A作AF⊥BE交B...")
- 问题详情：在正方形ABCD中，E是边CD上一点（点E不与点C、D重合），连结BE．（感知）如图①，过点A作AF⊥BE交BC于点F．易*△ABF≌△BCE．（不需要*）（探究）如图②，取BE的中点M，过点M作FG⊥BE交BC于点F，交AD于点G．（1）求*：BE=FG．（2）连结CM，若CM=1，则FG的长为 ．（应用）如图③，取BE的中点M，连结CM．过点C作CG⊥BE交AD于点G，...
- 26740
![—Tomisreallycareless! —Be]( "—Tomisreallycareless! —Be")
- 问题详情：—Tomisreallycareless! —Be______.He’sa3-year-oldkidafterall.A.secret B.active C.patient D.careful【回答】C知识点：相似相近词比较题型：选择题...
- 20888
![如图，∠A=∠E，AC⊥BE，AB=EF，BE=10，CF=4，则AC= ．]( "如图，∠A=∠E，AC⊥BE，AB=EF，BE=10，CF=4，则AC= ．")
- 问题详情：如图，∠A=∠E，AC⊥BE，AB=EF，BE=10，CF=4，则AC=．【回答】6．【考点】全等三角形的判定与*质．【分析】由AAS*△ABC≌△EFC，得出对应边相等AC=EC，BC=CF=4，求出EC，即可得出AC的长．【解答】解：∵AC⊥BE，∴∠ACB=∠ECF=90°，在△ABC和△EFC中，，∴△ABC≌△EFC（AAS），∴AC=EC，BC=CF=4，∵EC=BE﹣BC=10﹣4...
- 17784
![_______usedto_______apostofficenearmyhouse.A.There;be ...]( "_______usedto_______apostofficenearmyhouse.A.There;be ...")
- 问题详情：_______usedto_______apostofficenearmyhouse.A.There;be BThere;have C.It;be D.There;having【回答】A知识点：简单句题型：选择题...
- 17270
![Be —youcan’texpectmetofinishallthisworkinsolittletime...]( "Be —youcan’texpectmetofinishallthisworkinsolittletime...")
- 问题详情：Be—youcan’texpectmetofinishallthisworkinsolittletime.A.reasonable B.confidentC.creative D.grateful【回答】A知识点：形容词题型：选择题...
- 20490
![be different造句怎么写]( "be different造句怎么写")
- Daretobedifferent.Bewillingtobedifferent.Theoriginofdifferentspectralstarsmustbedifferent.Ticketpriceswillbedifferentpricesindifferenttime.Thethreetasksmaybedifferentindifferentversions,Howcanthetwowinnersbedifferent?Thistimemayjustbedifferent.Itcoul...
- 19016
![be supposed to be造句怎么写]( "be supposed to be造句怎么写")
- Iwasallthatthemosthardened,unthinking,wickedcreatureamongourcommonsailorscanbesupposedtobe.Thedilutedpotentialordinarysharesissuedinthecurrentperiodshallbesupposedtobeconvertedonthedateofissuance.ThereforethefuturewayoftheChinesecountrysidecaringfort...
- 25204
![—I’mafraidoftakingbittermedicine. —Don’tbeafraid!Be]( "—I’mafraidoftakingbittermedicine. —Don’tbeafraid!Be")
- 问题详情： —I’mafraidoftakingbittermedicine. —Don’tbeafraid!Be________. A.careful B.quiet ...
- 27496
![—HappyTeachers’Day!Herearesomeflowersforyou. — be...]( "—HappyTeachers’Day!Herearesomeflowersforyou. — be...")
- 问题详情：—HappyTeachers’Day!Herearesomeflowersforyou. — beautifulflowerstheyare!Thankyou!A.How B.Howa C.What D.Whata【回答】C 知识点：感叹句题型：选择题...
- 6727
![______youafraidof_______lateforschool? A.Do;be ...]( "______youafraidof_______lateforschool? A.Do;be ...")
- 问题详情：______youafraidof_______lateforschool? A.Do;be B.Are;be C.Do;being D.Are;being 【回答】D 知识点：动词时态题型：选择题...
- 19968
![be separated造句怎么写]( "be separated造句怎么写")
- "Nevermoretobeseparated?"Researchanddevelopmentshouldbeseparatedappropriately.tobeseparatedfromoneanotherYouwillbeseparatedintosmallergroups.amixturewhosecomponentscanbeseparatedbymechanicalmeans.Thesetwothingsmustbeseparatedandnotconfused.Theslave...
- 25258
![To be, or not to be造句怎么写]( "To be, or not to be造句怎么写")
- 1、Tobe,ornottobe–thatisthequestion.2、Contextanddiscourse:Newexplicationof"Tobe,ornottobe...;3、Hamlet:Tobe,ornottobe:thatisthequestion:Wether'tisnoblerinthemindtosuffer,Theslingsandarrowsofoutrageousfortune,Ortotakearmsagainstaseaoftroubles,Andb...
- 27732
![be above造句怎么写]( "be above造句怎么写")
- RobertmustbeabovereproachTobeaboveallmaterialdesiresYoushallnotbeaboveaskingquestion.Thetemperaturewillbeabovezero.OfcourseMPsmustnotbeabovethelaw.Tobeginwith,style:itmustbeaboveallrefined.Thelocationtobecementedmaybeabovegroundorinasubterraneanforma...
- 18223
![be造句怎么写]( "be造句怎么写")
- Beyourself;beauthentic,bebold,beloving,bebeautiful.Whenyoucannotbegracious,bepolite.I'llbetheredirectly.Mother:Don'tbematerialistic.ShouldIbehappy?Thatwouldbedisrespectful.Youshouldbehappy.Whatibetryingtosaybe,iloveyou.'Benomore'isaeuphemismfor'...
- 5012
![Whyissettinggoalsimportant?Becausegoalscanhelpyoudo,be,...]( "Whyissettinggoalsimportant?Becausegoalscanhelpyoudo,be,...")
- 问题详情：Whyissettinggoalsimportant?Becausegoalscanhelpyoudo,be,andexperienceeverythingyouwantinlife.Insteadofjustlettinglifehappentoyou,goalsallowyourselfto 1 yourlifehappen.Successfulandhappypeoplehaveavisionof 2 theirlifeshouldbeandthey...
- 15352
![ThecapitaloftheUnitedStates61. (be)calledWashingto...]( "ThecapitaloftheUnitedStates61. (be)calledWashingto...")
- 问题详情： ThecapitaloftheUnitedStates61. (be)calledWashington,D.C.Itwasnamed Washingtoninhonorof62._____firstpresidentoftheUnitedStates,GeorgeWashington.D.C.standsfor"DistrictofColumbia".Its63. _(create)startedin1790.Itwasbuiltalongarive...
- 26501
![isimportant carefulwithfire.A.That;be ...]( "isimportant carefulwithfire.A.That;be ...")
- 问题详情： isimportant carefulwithfire.A.That;be B.It;to C.It;tobe D.That;tobe【回答】C 这里考查动词不定式作主语，用it作形式主语，真正主语动词不定式放在后面。句意：当心火灾是...
- 25072
![be out造句怎么写]( "be out造句怎么写")
- beoutof[bein]registerBetterbeoutoftheworldthanoutoffashionShe'llbeoutonherneck.Someexecutivesmaybeoutofbusiness.Helikedtobeoutofdoors.You'dstillbeoutallday!"lose[beoutof]one'sbearingsThisItembeoutofstock,butbeonorder.Yousoldit?Youmustbeoutofyours...
- 32536
![1.(be)ofgoodvalue]( "1.(be)ofgoodvalue")
- 问题详情：1.(be)ofgoodvalue_____________________.2.bedeterminedtodo…__________________.3.giveupsmoking______________________.4.betiredof___________________________.5.giveaway___________________________.【回答】1.有价值的 2.下定决心 3.戒烟...
- 10320
![be there or be square造句怎么写]( "be there or be square造句怎么写")
- Meetmeintheusualplacetomorrowmorning,bethereorbesquare.There'sahugepartyonFridaynight;bethereorbesquare....
- 9665
![Iwaslivingalifeinmyscreenandhardlynoticedwhat61(be)ar...]( "Iwaslivingalifeinmyscreenandhardlynoticedwhat61(be)ar...")
- 问题详情： Iwaslivingalifeinmyscreenandhardlynoticedwhat61(be)aroundme．Iwasalwayscheckingthetimeandthinkingoffuture62(plan)．Mythoughtwas：“Who’sgoingtotextmenow?WhatwillIdonext?”Mybedtimeroutinewasusuallycentered63 onething：myphone．64 Iwenttosleep，Ibr...
- 6426
![There will be]( "There will be")
- 问题详情：There will be _______ pollution in the future in the world. r 【回答】A知识点：形容词比较级题型：选择题...
- 7735
中文谷
