对称矩阵单位化

甲乙两个运输队,甲队有24人,乙队有28人,若从甲对调走x人到乙队,则乙队人数是甲组人数的二倍 .根据上列条件设未知数并列出方程 what did she ()you do?A make B want C ask d tell 列方程 甲乙两个运输队,甲队24人,乙队28人,若从甲队调走x人到乙队,则乙队人数是甲队甲乙两个运输队,甲队24人,乙队28人,若从甲队调走x人到乙队,则乙队人数是甲队人数的2倍. What do she _______?她有什么?英：What do she _______?中：她有什么? 这是什么虫?很小 前端有很长的钳子 附图在家里发现的 很小 身体前端有很长的钳子 钳子比身体还长 大概0.3厘米长吧（不包括钳子） 请问是什么虫?有什么危害 怎么去除? What will happen if there's no water?如果没有水将会发生什么事? My class teacher has got some nice pictures.(改成否定句） 在one of +复数名词 I want to stay with you and look at you fou a very long time. 谁帮我翻译下I miss you.I only want to stay with you and look at you for a very long time求大神帮助 We have many nice pictures主语为he My grandparents have some nice pictures变成否定句 they have some nice pictures.they draw these pictures.这两句意思 They_____have some nice pictures.里用aiso.too.either哪一个? 桃核如何处理才能育出桃树苗? Have had you in the heart herefrom ,have had thereupon right away expecting I am glad to hear that you have r＿＿from your heart attack.需要时态变化吗？ What do you （ ）for lunch on Thursday? 1、like 2、have 3、do Since i lost heart in that person,i have suffered from sleeplessness during是什么意思 给我几句描写生机勃勃的大自然的句子~~急!不要诗~! They showed me some interesting pictures.的同义句；They showed some interesting pictures____ ____ . 我想问 为什么一个句子可以改成两种被动句?例如 He showed me some pictures.要怎么改?改成两个被动句. Mr green showed some fantastic pictures to us.(改为同义句) They showed some interesting pictures to 玛丽亚凯莉的byebye中文歌词歌曲很好听 不知道歌词是不是很好啊. 谁有玛丽亚凯莉的歌的歌词 英文+ 汉译 玛丽亚凯莉byebye歌词就是在最后一分钟时Never knew I could hurt like this And everyday life goes on I Wish I could talk to you for a while Miss you but I try not to cry As time goes by And it's true that you've Reached a better place St 玛利亚凯利byebye歌词含义 I can see（ four）birds in the apple tree.(对括号部分提问） I can see five birds in the tree .(对划线部分提问) 英语翻译请不要直接用在线翻译,这首歌好像是关于亲人的,请高手翻译时加入情感》 bye bye bye:lovestoned中文翻译