随机变量X~P(λ),E(X^2)=12,则P(X>=1)=

谁能给我岳麓版高二历史必修三的知识总结 非主流个性女生英文网名谁能帮我取一个非主流的英文网名?要个性的. 很不明白第一单元的几个术语,很常见的,就是董仲舒提出的那几个“天人合一”,“天人感应”,请用最简洁的语言解释,我才上高中,太专业的术语我很难理解. 求高二历史必修3（岳麓版）第四课 宋明理学 第五课 明清之际的进步思潮的理解这两课的内容太抽象, 一个语法问题.关于that引导的宾语从句和定语从句that引导的宾语从句一定要有动词的嘛?.不是说一个句子只能有一个动词嘛,那既然主句有了动词.后面可以用动词?还是可用.可不用?that引导的 女生非主流英文网名字体漂亮点啊、还有个性签名、最好再给我设计点空间名字、最好是一套的、分分会多给的 由That和Who引导的定语从句语法 what's a polar bear like?的中文翻译 Polar bear past bedtime咋翻译 polar bear 怎么读 The Intergovernmental Panel on Climate Change is sometimes criticized as appearing to be too conservative in its predictions.But,Ms.Figueres says this report is right on the mark."Everything that we thought we knew about climate change has been under 英语翻译 matlab中什么时候需要使用hold on that在定语从句中做表语可否省略?Pudong Development Zone is no longer a rural area it used to be.A:what B:where C:/ D:there C .why? january 1st划线提问用什么疑问词 对 on+日期 提问 用什么疑问词额 对了 还有对 for+时间 提问 用什么疑问词 对数字提问用什么特殊疑问词 选用正确特殊疑问词对打括号部分进行提问(what,where,when,who,what time,what colour,what day,How)1.My pen is (in the ba.2.The bag is (four dollars).3.It`s(six o`clock).4.The bike is(black).5.He will live with his grandmother(next week 英语课检讨书闹的 英语课上看语文书,检讨书怎么写英语课上再看语文书,怎么写?急. 英语课溜号检讨书怎么写 有什么软件能把中文句子翻成英语句子 完型填空…Though we often called the koala “bear”,this lovely animal is not a bear at all.It isa pouched mammal (有袋哺乳动物).After giving16,a female (雌性的) koala carries her baby in her pouch for about six 17 .When the baby come how is your sister (feel)? my mum oftencomes and (pick)the apples There___________not enougn people to pick apples that day.(be) There _______ （not,be）enough people to pick apples last Sepetember. 反义疑问句该怎么回答?举些回答反意疑问句回答的例子...偶总是搞不清楚该怎么回答. 有只卖22美元的黑裤子英语短语 对男孩子来说,我们有只卖22美元的黑色裤子.用英语怎个么说 New Year's Day is on the first of January (对on the first of January 提问） 1.January lst is the New Year's Day.(用when提问） 2.My parents are making cakes in the kitchen..(用when提问） 3.Tommy likes watching Mickey snd Donald.(改成一般疑问句） 4.I like winter best.(用which提问） 5.Please open the door.( 1*2=3/1（1*2*3-0*1*2） 2*3=3/1（2*3*4-1*2*3） 阅读上面规律,做出下列习题1）1*2+2*3+3*4+.+10*11 2）1*2+2*3+3*4+.+n*（n+1）3）1*2*3+2*3*4+3*4*5+.+7*8*9+3）1*2*3+2*3*4+3*4*5+...7*8*9=