概率求期望与方差.题目是：设随机变量X服从几何分布,其分布率为:P(X=k)=p(1-p)^(k-1

It has many famous places there ,too. lt has many drawers.l put my shirts in it It has many flower改为同义句 take pictures什么意思 take pictures of the local people 的意思是 给当地人照相 还是当地人照的照片 前者还是后者? warm的中文是什么 定语不就是形容词吗 对于不能作定语的性质形容词.我是外国人.引文：不能作定语的性质形容词如“碎(说话唠叨)、吃香、广、过瘾、好受、昏、久、滥、累赘、齐心、起劲”等103个,占形容词总数的3.7%.吕叔湘(19 银装素裹、波澜壮阔、街头巷尾、惊恐万状、负隅顽抗、悲愤欲绝、与世长辞、风帆蔽空其中三个词语造句. Love keep you warm中文是什么意思 风帆蔽空的近义词是啥? DEMON - WARM LOVE 是什么意思啊?还有,以外国的标准来判断,写法对么?请纠正没有天使这东西吧 Is it good for children to have mobile phones? student don't need to have移动的phones at school 以下韩国人名如何翻译成中文?这里有两个韩国人名,请问如何翻译成中文?Sun Gul HongTat Yan Kong a few,few,little,a little的区别,最好有例句?尽可能的详细 英文名danny和Daniel 是同一个名字吗? few 、a few 、little、a little的区别是什么?最好有例句. 上面一个 "执" 字,下面一个"贝" 字是什么字? Share share one 什么意思? 用所给词的适当形式填空 Who is __(young),Tom,Ken or Cary?This ruler is __(long)of the four.改变句子，意思不变A：How heavy are you?B：_____your_____? 任加贝是什么字啊 Tom Perry:if you continue with these unfair actions,I will say only four啥意思求翻译Tom Perry:if you continue with these unfair actions,I will say only four letters in bold:F-U-C-K. I thing dog is beautiful.But it's too h( 我是天蝎座女孩,很中性,像要一个中性的英文名字. warm to remind Though you've got to get them to do it , by helping too much.那位大虾帮忙分析一下句子成分及翻译一下句意,先谢过了? if you can't get to sleep,them get up and try to do something------liying in bed填什么A.and B.or C.instead of D.because of 最好讲为什么 This is a comedy called NO.1.为什么这句话既有“is”又有"called " This is called The Blue Danube.此处called 可用哪个词替换? sunny and warm怎么翻译