已知随机变量X只能取3个值X1，X2，X3，其中概率依次成等差数列。则公差D的取值范围

The bank is a_____ from the supermarket.中间那个空填什么? 在这题中,you should keep the window keep＋adj 还是 Ving我错了，是should改为had better You should keep the window _____ because the room is too hot.A.open B.opening C.opened D.opens 亚特兰蒂斯真的存在过吗?有没有什么依据之内的. 纳与水反应生成的气体为什么是氢气 亚特兰蒂斯大陆真的存在吗那些传说有真的吗 大西洋海底真的存在亚特兰蒂斯吗? 限制性定语从句与非限制性定语从句的用法非限制性定语从句用which引导,前面有介词,该怎么用 亚特兰蒂斯真的存在吗? follow是什么意思 世界上有几间亚特兰蒂斯酒店?除了最近迪拜新开业的```天堂岛那间跟它是同一间吗? If not,I hope you can have a try,you will find it so good. 世界上有亚特兰蒂斯吗? 世界上有亚特兰蒂斯人吗? Tell me the best middle school in Yiwu! (For a grade 8 student) Thanks! 将句子变成一般疑问句,并作简单的肯定回答和否定回答 1.This is Linda.________ 2.That's his uncle_____3.She is my good friend._________4.Her uncle is old.________连词成句,注意标点符号.1.are,not,these,uncle,her,(.)2.you,i linda is ten .变一般疑问句 《浣溪沙 苏轼》上阙描绘的三幅画面基本格调可分别概括为什么 把1she is a nurse.2They are students 改成一般疑问句并肯定和否定的回答 苏轼的浣溪沙上阙描绘了一副什么样的画面?由哪些意象构成的? I live_78 Apple Road. Zhang Lin is like UNcle Wu's son 判断错的话改一下 填空Li Ming’s uncle is a teacher in No.4 Middle School.He __1___ a good friend in the school.His friend is twenty-five.His birthday is ___2_ May 1st .He is a __3_____ in the school,too.He is very fun.All of the teachers and _ 4__in the school lik you had better open the window.变否 适当形式填空You'd better close the window (keep) the wind out 对划线部分提问There are 3 stops on Guang Zhou Road. 浣溪沙苏轼这首词哪几句描写了春光明媚·万物生机勃发的景象 how can i improve my English?-well,i think your biggest problem is__ you don't listen your teacher carefully in class.a,whatb,thatc,\d,because How can l improve my English 我国主要山脉分布图在大兴安岭东面长白山北面西北—东南走向的叫什么山脉,在黑龙江省的! you may depend upon it _we shall never lose heart.A what B who C that D how Will you?Shall we?Let us have something iced to drink?Let's have something iced to drink?A:will you B :Shall we 选哪个?为什么啊