武警交通二总队

已知,如图,四边形ABCD和DEBF都是矩形,AB=BF,AD与BE交于M,BC与DF交于N,试证:四边形BMDN是菱形图是我自己画的哦图: 关于菱形的判定1.两张等宽的矩形交叉叠在一起,证明相交部分是菱形.2.这些哪个是对的,错的错在哪里.1）对角线互相垂直的四边形是菱形.2）对角线互相垂直且相等的四边形是菱形.3）四个角 能够判别一个四边形是菱形的条件是（ ）A)对角线相等且互相平分B)对角线互相垂直且相等C)对角线互相平分D)一组对角相等且一条对角线平分这组对角 he was very gold和he was very glad哪个对哪个错,有什么区别? 菱形的判定已知四边形ABCD中,AD平行BC,OB等于OC,E.F.G.H分别是AB.BC.CD.DA边上的中点,求证；四边形EFGH是菱形.图形是一个梯形,中间两条对角线,中间还有一个正方形, He is very glad什么 to his stamp to others some people remember their resolutions (by writing them down) 划线部分提问some people remember their resolutions (by writing them down)( ) ( )some people remember their resolutions 海日升残夜,江春入旧年赏析不少于20字的 帮忙想个小组名称,5个人, 네,감사합니다 응. 这些题的解析和答案9.He appears ________ today.A.very angrily B.very angry为什么这道题9选A不选B .3How many ________ do you need?A.hour’s sleep B.hours of sleep C.hours of sleeping D.sleeping hours这道3应该选c还是选b4.Saying 감사합니다;是什么意思 He appears _____today.A.very angrily B.very angryC.being angry D.with anger 감사합니다. he seemed --than we.A more angry B angeier C very angrily D very angry 为何答案选C 没有了希望了爱情,就算再执着还有用么? 爱一个人要很执着吗大神们帮帮忙 감사합니다 地球南北半球的资源是不是均衡的? Let's-------- to the library.A.go B.going C.coming D.Come I know some of you( )work in radio.We can't( )the window,because there aren't any windows.A.closes down B.look out for C.look out of D.take you around E.the end of F.would like to填空并翻译 海日升残夜,是什么意思? 求人办事怎么说话给孩子找工作 英语翻译在ebay上看到这句话.关键是listing upgrades是什么意思?列表中的升级? DIsappointed属于被动吗 I‘d like to 【和.待在一起】my s根据汉语提示完成句子tudents 我打算要纹身我最喜欢用英文“Failure teaches success”我最喜欢用英文“Failure teaches success”但是太长可以不可以缩短! 根据汉语意思完成下面的英语句子 () () you like to do () ()?根据汉语意思完成下面的英语句子() () you like to do () ()? then he got down on the floor next to charlie and waited其中的next to = = near,behind ,not far,beside 那一个? (1/2)He be out because I saw him go into the house.A.may not B.m 1.Then he got down on the floor next to Charlie and waited.Get down的翻译是：____________造句：___________________________________2.Soon he heard the south of a fire engine.消防车：__________ I have given him a key so that he may ___ into the house he likes.I have given him a key so that he ____ get into the house ____ he likes.A.could,no matter B.would,no matter whenC.may ,however D.might,every time选B为什么不可以?