设总体x的密度函数为

一道英语题改为一般疑问句I'd like some flowers and some pictures as my birthday present.改为一般疑问句 他四岁时就会唱歌.英文翻译 He could sing ___ ___ ___ ___ four. 选择填空：（）1.I （ ） the teacher,but Ican’t ( ) him.A .listen ,hear B.am listening to选择填空：（）1.I （ ） the teacher,but Ican’t ( ) him.A .listen ,hear B.am listening to ,hear C.am hearing ,listen to 四、按要求改写 I can do everything i want to do! 英语翻译 I could do whatever I want to do to earn my living.请问这句怎么翻译?谢谢 英语翻译help he had many friends.he was proud of his friends翻译 add 和add.to.有什么区别除了区别,要有一些用法还要一些例句谢谢希望详细点 add 和add to区别不要从百度复制的 add...to...和add to有什么不同 好听的英文名字 中文名叫薛峰! 英语里面gonna wanna gotta getcha或lovecha是什么意思?该怎样用呢? 谁能帮我取个好听的英文名?我是天平座的男生..个性幽默,活泼,个性多样性.内向中带点外..我叫陈福祺;// 需要一个 高端 大气 上档次的 英文名 .我叫杜朋营 女需要一个 高端 大气 上档次的 英文名 .我叫杜朋营 女 关于英语的,连词成句第一道：higher,the,is,for,piace,to,getting,ladder,used,a(.)第二道：different,into,the,make,people,chocolate,shapes(.)第三道：river,man,the,from,Charlie,a,little,young,rescued(.) can you do it语法正确吗 《黔之驴》的寓意是什么 少一点,20字左右《黔之驴》的寓意是什么少一点,20字左右 黔之驴的加点字解释至则无可用,放之山下．中的至（）以为且噬己也,甚恐．中的甚（）然往来视之．中的往来（）视（）之（） 高考英语完形题解释加答案A boy was walking home from school when he saw a large, tempting （诱人的）apple on one of the branches of an apple tree hanging out over a tall fence. The boy wasn’t much of a fruit-eater, 36 abar of choc 浙江冤案张高平 张高平我要起诉是那个“女神探”是谁? 2010年江苏高考英语完形填空第45题She changed many things.She ___44   my father to go to a dental school,from which he graduated with honors.She moved our family into the county srat,where my father’s career could be more ___45 中国冤案 大量的田鼠被蛇活活吃掉了,庄稼得到了好收成.怎样给句子换个说法,意思不变? 事物之间的复杂关系,举个事例,不要乱七八糟的,要有三者,如蛇吃田鼠,田鼠不能糟蹋庄稼,蛇保护了庄稼还有猫,蜜蜂,田鼠和苜蓿的故事,要跟这个差不多! 张辉看书怎么扩句 - Another cup of coffee That's your third since lunch.-Yeah,well ,i ___ all night preparing for my math exam .I can hardly keep my eyes open.A stayed upB have stayed upC have been staying upD had stayed up这里不强调对现在的影响吗?为什 高三一篇英语完形填空One day a dog appeared at our farm.Somehow we understood that he had come to stay.I__1____him food,but he did not beg for food as some other dogs do,___2___did he wag his tail with happiness when fed. He had an ugly 高三的一篇英语完形填空One day a dog appeared at our farm.Somehow we understood that he had come to stay.I__1____him food,but he did not beg for food as some other dogs do,___2___did he wag his tail with happiness when fed.He had an ugly ap The children are at home..不加are可以吗.不加are,The children at home..翻译就是：孩子们在家里?加are是正在? The children are staying on home修改病句 北宋与南宋有哪些相似之处?