氧分子

比如说The day——she played with us was never to be forgotten.A ／B on which Cthat Dwhich 应选哪 The day that she played with as was never to be forgotten.为什么此处可以用that,分析that在句中的成在英语练习中 U know ,I don't think she is really happy .Maybe happy is not really what r u looking for .Right now ,their happiness is still an exaggeration to put on,u r still endless lonely.U r not really sad,but it is really sad If true ,u would rather continue 设有n个人,每个人等可能地被分配到N个房间中的任一房间去住（n≤N）,求下列事件的概率.1）指定的n个房间中各有一个人住（2）恰好有n个房间,其中各住一人 【求助】上生命科学与技术基地班的情况假如今年上生命科学与技术基地班,走本硕博,出国留学路线,十年后就业前景如何?是不是只能去科研所或大学?将来中国生物工程这方面能否兴起? 将n个人等可能的分到N个房间里,n《=N问有几种分法?答案是N的n此方.为什么?我总觉得应该是N! 写《乐》的作文 因什么而乐的作文 乐是什么作文 几的多音字有哪些 更加个生字的拼音是什么? 撮有什么多音字? 秋天生字拼音 所有生字的拼音 求汉语生字拼音上面一个其,下面一个石.是什么字?拼音是什么?读第几声?(形状跟基差不多) 关于一些生字的拼音希望给个具体位置 拼音的 以“乐”为话题的作文要求：1.2.800字左右3.文笔必须优美,多运用些诗词（诗词最好有几首是自己写的）4.文体不限我是初三的学生，请大家的文章不要过于成人化，谢咯～ 以乐为话题的作文 填单词.A:_____ he often do exercises?B:Yes,he does. DId you watch the film [nanjing nanjing!] last night?yes,thought it _ hard all the time.A is rainingB was rainingC has rainedD had rained 看过《傅雷家书》有什么体会?是发自内心的想了解. 跪求化学拓展型课程练习部分答案! 请问hit the 谢如题这应该是个俚语吧?应该不是撞上地板的意思吧 出自negative 的歌词 mistaken ,im waiting,when i finally hit the floor..该怎么翻译啊? 化学1课3练答案在线等 速度. hit the floor啥意思? I don`t want to 求教 I don't want to know.I don't want to know.这句话一般会在什么样的语境下使用?假定在注意力高度集中的情况下,说了这么一句话,他所表达的会是什么意思?或是一种怎样的心态? 多音字打有几个 还有几个多音字 how du you help at home?怎么样回答 watch的过去式 i have never been to a debate so far这句话是什么意思, 高手帮忙分析下