几何分布的期望

Clover is the witness of our 上海到武汉铁路路线,动车和普通列车的走向分别是什么?希望知晓铁路运营的朋友回答下!如D3006和Z27的走向,分别经过哪些城市（虽然列车可能不停,可能因为城市小的缘故） 我有些好奇,因为 人字形铁路火车示意图 阅读《高速铁路新时代》回答问题阅读《高速铁路新时代》回答16——19题（共10分）①高速铁路具有服务大众、紧贴民生的特点.在高速铁路发展过程中,自主创新能力的提高,是向国民提供快 Good afternoon.我们一辅导书上有make plan do请问这个正确吗? 还有 There are many things to see on Hannan Island.还是 There are many things to be seen on Hannan Island. Good afternoon!下一句应该怎么回答? good afternoon 是在什么时间? 要在good afternoon后面回答什么呢 Good afternoon 什么样的人生才算精彩? 人生要怎么过才算精彩啊一定要有钱 才算精彩吗 Hangzhou is a(n)____city in ChinaA.old beautiful B.beautiful oldC.old big D .most beautiful Hangzhou is k____as a tourist city in china! never regret what you have never lost 读地球公转示意图,回答问题1.地球位于A处时,日期是（ ）前后,北半球的节气是（ ）.地球位于D处时,日期是（ ）前后,北半球的节气是（ ）2.地球位于B处时,北极圈以北到处有（ You will never have what you like until you have learnt to like what you have!这句话最最最具体的意思. 读地球公转示意图 回答下列问题地球公转轨道上的ABCD四点中,公转速度最快的是 此时,地球转至近日点还是远日点DA 太阳 CB我的思路：公转速度最快在远日点,所以应该在A处（夏至日）,可是 英语翻译Suppose you have everything; a good job,good health,good reputation,good relationships and lot of money to spend.But still there is something missing from your life.Guess what?The LOVE.It is not something which you should ignore.Life with The flame of our 英语翻译Something's in the way of our love-Something's in the way of our loveSomething's gone astray with our loveJust when I needed you,you let me down and left me blueI felt so sure that this was right,when I remember our first nightYou held me At the End of Our Love.For:my only 谁帮我翻译这段话 “车到山前必有路 船到桥头自然直”是古诗句吗?是的话选自哪首?作者呢?朝代呢? 诗句 \"车到山前必有路\'的上句? 车到山前必有路,有路必有丰田车.改了那句诗? 车到山前必有路,船到桥头自然直.出自何处? 车到山前必有路,有路必有丰田车.改了哪句诗? 31．读地球公转示意图,完成下列各题.(共8分)(1)地球在公转时,地轴是倾斜的,其空间指向 (不断变化或保持不变).(1分)(2)当地球公转至B点时,太阳光直射在 (纬线)上,此时北半球的节 读“地球公转示意图”,完成下列问题图中A、B、C、D四点中,表示近日点的是__________,每年的__________月初地球由此经过. 生活怎么过才会精彩呢 企划、行政助理、商务文员用英语怎么翻译? 英语翻译《our love will always last》 (English Version) As we walk this land Side by side,hand in hand I know that some clouds may pass But if we hold on tight And love with all our might Then the thorns in our life will never last And the road 可乐加盐喝了会怎样?