求分母趋于0的极限值

问一个英语句子的语法问题Executives and federal officials say that the use of crack and cocaine is growing rapidly among workers,(significantly compounding )the effects of drug and alcohol abuse,which already cost business more than 100 bi 问一个简单的英语句子.关于语法的!He was dressed in a black suit 我就是搞不懂,为什么要用个 “ was ” ,他穿着一套黑衣服,这句话也不是被动语态呀 .那为什么不是：He dressed in a black suit .一个动词 问一个英语句子语法问题Just in a trice, his famous books were claimed to be out of stock.这句话哪里语法不规范? 问一个英语句子考得是什么语法结构?HE was pronounced dead,marking a tragic end为啥用进行时态marking?是什么语法? i will always wating for you still in my life请给为帮翻译下这个话的意思··? so am i still wating. for this world to stop hating速度 在线等Everybody's got their problems.Everybody says the same things to you.It's just a matter how you solve them.And knowing how to change the things you've been through 答完马上给分 我想要一些very经典的英文歌 .谁有 就是很经典很好听的.英文凹~呵呵 . what a shame that...(内容) 造句（要3句）急求 what impresses me most is that S+V+O.初中英语造句 要两句 handsome people是什么意思 people'shouses是什么意思 unwashed applicable-people是什么意思 She never by bus to school这句话错在哪里? 小学六年级作文：你最喜欢哪个季节?你喜欢在这个季节里发生什么样的故事,或者这个季节里发生什么事?、你最喜欢哪个季节?你喜欢在这个季节里发生什么样的故事,或者这个季节里发生什 你最喜欢哪个季节?你喜欢在这个季节里发生什么样的故事,或者这个季节里曾经发生过什么样的故事?五百字以上,半个小时前,要写出这个季节的特点.作文! with,drawing,jenny,is,her,picture,pencil,a连词成句 He is drawing a picture _______ a park.A.of.B.about.C.for.D.in She is drawing a picture now.划线部分提问drawing a picture这个单词划线部分提问 Three-fifths of the people are women.=Three ( ) ( ) five people are women people can only live for about three days without water为什么要用for about 用is she he this that造句5个 people是什么意思 求解答 Tina had supper after she had--------a letter(write)用所给单词的适当形式填空,要理由 a dad cold 的翻译是什么 She gose to bed after she does her homework同义句 wouldn't he be cold sitting right there?这句怎么翻译,be cold sit是词组,还是right there是词组怎么理解其中的成分,是词组,还是单个理解,我想仔细分析这句话,谢谢 much,than,actors,he,more,those,popular,is连成一个句子 连词成句much than actora he more those popular is 在回答that或this的疑问句时,通常用()来代替that或this 总结this/that/those一般疑问句 me more John popular than is连词成句