若已知随机变量的分布函数求k，b

怎么练英语口语,背新概念有用么,坚持了一个月,进步不大,很是迷茫啊?如何才能提高口语听说呢? 英语填空For years ,childhood obesity rate has been on the rise..Now some US cities,including Philadelphia,New York City and Los Angeles,are seeing progress.我就不打完整了,谁有这篇英语填空的答案噻~ 英语 some ten 初三英语作文,a famous person Bill Gates,内容包括：从小酷爱计算机和数学,1973年考入哈弗大学,1975年和朋友创造了自己的微软公司,他的代表作为business,the speed of thought. a famous person 60字左右快.有质量.别太多,也别太少! 以A Famous Person为题 写一篇70字左右的作文 初学者看得懂 football is played by boys ang girls and men and weomen all over the world翻译 新概念2-3相当于三一口语的几级? 随着中国加入世贸组织,我们认为学英语更加重要了 这句话用英语怎么说? He doesn't know how he can get it.怎么做同义句转换 He doesn't know how he can get to the shop.改为简单句.He doesn't know ( ) ( ) get to the shop. He doesn't know how to look after the dog同义句 句子中的to要怎么用?如有些I like playing和I want to go to school 都有两个动词,但为什么有些没用to My father enjoys ___(read) newspapers.空怎么填呀? He doesn't know how he can get it.改为同义句 He doesn't know how ( ) ( ) it. He doesn't know how he can get it .同义句 He doesn't know how he can get there?(同意句）He doesn't know ______ _______ _______ there. I Will Survive完整的版本我想要Gloria Gaynor的这首歌完整的版本,不是哪个唱到高潮的完事那种3分钟的瞎给的请勿扰.我想要Gloria Gaynor Gloria Gaynor Gloria Gaynor的 不是别人的版本更不是演唱会版本的! I will survive..At first I was afraid I was petrified Kept thinking I could never live without you by my side But then I spent so many nights Thinking how you did me wrong And I grew strong And I learn how to get along And so you're back from outer s 像I will survive这类的老歌还有什么?类似这种还有什么.? 我会奉上高分.~ 英语翻译I Will Survive这句话怎么样能翻译的比较合理的情况下,又比较美~ “入世” 英语怎么说WTO I'm sorry for what I said 为什么 said是过去式 以及for 的用法 Many a school are build up in England如题：为什么是Many a school,这和Many school有什么区别 How many classrooms in your school?的回答是什么? I want to play________ping pong.But I don’t have______ping pong ball.A./,a B.a,/ C.a,a选几?我们老师改错要写原因, 英语翻译I don't think the number of the people to whom this happened is very large.翻译成中文 The number 13 is a special number,_,some people think,will bring bad luck.The number 13 is a special number,____,some people think,will bring bad luck.A.what B.it C.which D.one选那个? __ we all know is that she was the first woman pilot in the country.A ItB AsC WhatD That这考察的是同位语从句吗 It's the first time that I _____ the village,so I know little about it.A.came toB.have been toC.visitedD.went to为什么选B? 英语作文,题目prombles of learning English in China 时间紧急,急需一篇关于on english learning in china 的英语论文提纲