开环传递函数求闭环

``1并解释主要原因they saw tom coming into the shop .TOM （ ）into the shop .还有2 ------your watch ever -------(has ,been broken down / has broken down )这提我看是选第一个 有人却说第二个哪个对?3 THIS kind of dictions（S They didn't tell tom the truth.改为被动语态 ABC是什么意思,急 人教版英语单词的录音MP3要一个 人教版初中英语单词的录音MP3 最好显示英语单词 还要一个 2008年英语听力备考 后面词汇的录音 最好也显示单词 1\then we need you to help with sports for English-speaking students2、help with spoets in Enges3\ Are you free in july?4、Are you good with old people? then we need you to help with sports for english speaking students itis relaxing and easy求翻译 need,with,students,help,english-speaking,do,sports,for,to,you连词成句 这些现象中,没有用到摩擦力的是：A 汽车的启动或刹车B 用铅笔刀削铅笔C 系鞋带或打绳结D 把零件放在水平的传送带上,零件随传送带匀速行进过程想明白再回答，还要解析的！ 选择题哦,123我都要 国家垄断资本主义的实质是（ ）A是资本主义垄断的一种新形式B是垄断组织同国家政权相结合的资本主义C是对资本主义生产关系的局部调整D是私人垄断资本主义的更高形式选哪个,怎么判断 求初二下学期英语单词读法的录音 找初二英语单词的录音谁帮我找一下初二（外语教学与研究出版社）英语（上册）单词录音.要mp3格式的 求新目标初二上册英语单词录音?发音准确就行,如果有我奖分. 句型：Then we need you to help with sports for English-speaking students.1.句子中you to help【你帮助】为什么还要加个to?2.句子中English-speaking[说英语]为什么要把speak放后边,用横杆连着,speak还要加个ing? 高一的英语单词带拼写带中文的 ---- 123是什么意思拜托各位大神 123是什么意思?大神们帮帮忙 123是什么意思谢谢了,大神帮忙啊 人的智商怎样锻炼? 如何提高智商求大神帮助 必修2英语单词录音.MP3格式的求发. 急需九年级上英语单词mp3格式滴录音. 英语翻译如题“百年”尽可能多的提供一些参考抱歉，是我没有说明白我的意思就是说类似于“百事”pepsl 这种发音 发音“塞口”,翻译成中文是“傻子”,英文单词是什么?1个英文单词 123问详解求. 英语翻译分 求“坑爹”英文翻译 英语翻译用三年,等待一些事情发生.不管要多努力,我一定可以.千万不要用翻译器啊= = Though I speak whith the tongues of men and of angels就是现在流行的戒指上的天使誓言,到底是圣经中哪段啊? 英语翻译Shelby woke Tanet up by nosing her forcefully until she became conscious.Ears down,she went on to wake John up.she continued to act anxious and would not leave their sides,as they tried to determine what was making them and the children f though l speak with the tonguesof me and of angelsand have not charityl am become assounding brassor a tinkling cymbal…翻译中文.急……