求曲面x^2+y^2+z^2-3x=0,2x-3y+5z-4=0在点(1，1，1)处的切线方程和法平

英语what colour is your mother,s dress?的解释是什么 What is your trouble?改为同义句（用英语） 小学英语排对话 小学英语选对话 选对话 小学英语选择对话 what's this怎么读 What's this 怎么读 A____ the shorts are on sale.填什么是填 all 英语翻译The workers ____ _____ _____ _____sixteen hours a day. 老板使他一天工作长达16小时 的翻译 3道英语错题求解!It is not that i do not like plays,the reason why i did not go to the treat last night was that i could not _____the time.A,offer B,get C,afford D,manage我选C,错了...you ought____the matter to manager the day before yesterd 请问谁知道扑克牌的普通话读音?"J,Q,K,A"分别怎么读啊?"J,Q,K,A"分别怎么读啊?"J,Q,K,A"分别怎么读啊? 这些潮牌的中文读法VANS,EVISU,G-STAR ,Bape、Neighborhood、CLOT、Stussy、Undercover、BBC、CDG、Number (N)ine、Sillything、Mastermind Japan、Visvim、Supreme? 扑克中J、Q、K的读音是标准的汉语读音哦 帮忙写一段简单的小学英语对话用下列单词,写一段简单点的英语对话!how many , in the bookcase , books , storybooks , afternoon , have , picture books A:__________________________B:__________________________A:________ 完成对话（小学英语）2.A:May I take a message?B:No,I'll ______ ______.3.A:Li Hui had an accident.B:______ ______?4.A:How about a visit to the Space Museum on Friday?B:That'll ______ ______. 小学英语3人场景简单对话特别注意的,3个人,要简单一点的,单词要是小学学过的 旅游点 中译英 景点介绍-中译英,马耳山——Horse’s Ears Mountain战国时期,马耳山一带尚无山.东南坡有一青年,名曰柳荆,武艺高超、箭法超群,以打猎为生.During the Warring States Period (475 B.C-221 B.C),there was no mountain 英语错题求解释 汉译英:去年的这个时候我在法国旅游.要用上When 英语错题求解释 英语错题啊!帮我解释解释啊——为啥这样做1）When she worked there,she could earn( ) 500 dollars a week.A as much as B so much C as many as D so many as我选D 2）It's useless to quarrel like this.We'd better put our meeting to ( ) 请英语好的哥哥姐姐帮我解释一下这个错题吧,在下列的句子中需要的地方加上“ ’ ”或“ ’s ”.The Browns house is bigger than the Greens.我给他是这样加的:The Brown's house is bigger than the Green's.可是 he went to the mountains for vacation 划线提问for vacation------ -------- ------ -------- --------- the mountains 1.连词成句：spent they weeks in three london 2.划线提问：They went (to los Angeles )on vacationlast month. 绿蔓拼音怎么读? 珍珠鸟一课中,绿蔓一词怎么读? 青树翠“蔓”的“蔓”,在该词中读啥音 除初中10则之外的孔子的论语及解释 葛蔓的蔓读什么音?