设系统的特征方程为D（s）=s^52s^4s^33s^24s5=0,则该系统稳定吗

red,this,sweater,pretty,is .连词成句 T-shirt pretty this red is连词成句现在就要 the moment,intant,minute,second,every time,the first time,as soon as,immediately,directly,在用法上要注意什么? every time 和each time有什么区别 Miss you all the time ---- every moment ,every minute ,every second I'll never forget the moment,___ we met each other for the first time.A.that B.one C.of whichD.the one when 请给解释一个这句英语的语法结构.“Is this all there is to being loved?" he asked himself.原来的译文是“被爱,就是这些吗?” 请解释一下上面问句中的语法结构.原书中确为 to being loved,而不是 to be loved we will see each other for the first 谢、. red,skirt,this,is,petty 怎么连词成句? it's her first time ____dinner .She thinks she will have lots of fun with it.a:cook b:cookingc:to cook d:cooks 4.英语句子语法结构 1.Full on the forehead perched,he is sucking near the brain.请特别解释一个full的意思.2.They hide,they fly in fear,the best foot first,and quick at that,as if the flood had come. 快乐为什么是happ 幸福为什么是happiness 他们之间的英语 happiness既可表示“幸福”也可表示“快乐”,但两者是不同的,怎么用英语清楚地表示呢? 让某人感到幸福用英语是不是make sb.happiness?如题..如果不是请高手指教..麻烦顺便教下我正确的用法..那能不能是make sb.feels happiness？ 英语六级写作开头结尾句型两几句比较牛B 实用的 谁能给我一点英语六级作文句型模版之类的 I am in Class Three.(变为一般疑问句） i am in linglings class.改为一般疑问句 I am in class three对划线部分提问,划线部分为class three. 英语 句子语法结构the regions of the brain that are responsible for memory and cognition.怎么没谓语 求这个英语句子的语法结构I stand here today humbled by the task before us,grateful for the trust you have bestowed,mindful of the sacrifices borne by our ancestors. 这句英语的语法结构They could hear an insistent booming sound 【which】 they found was caused by a small water-spout shooting down into a pool from the roof of the cave.句子which引到定语从句,修饰sound吧?如果是,那么they found 我的名字在韩国式英文拼音是什么?李润强. 我的名字在韩国式英语拼音是什么?寇珠.如题. 英语翻译我的名字∶欧阳泳欣 英语翻译尹靖榆韩国拼音和罗马拼音,一样吗 请给我一个关于幸福的文章（最好是英文）谢谢! 英语有关幸福与金钱的文章 英语翻译我的名字是徐镓月,麻烦帮我翻译成韩国拼音好吗?就像白贤=Baek Hyun那样的. What do you think of london?（改为宾语从句） Could you tell me____?为什么 I am class one.He is in class two 合并为一句____ are in _____ _____. I am in Class Two 是什么意思