概率事件两两独立

it seems the contest really works中works 是什么意思?是有效的意思么那是不是一定用复数形式？ most people take the limits of thier sight to be the limits of the world.英译汉英译汉, 高一的一道物理题 高手进 坐等 急~~~~1994年7月,苏美克一列维9号彗星和木星发生碰撞,紫金山天文台的工作者对这次奇特的现象进行了观测.木星距地球7×10的8次方km,该彗星的第18号慧核于7月17 新航道有关于SAT方面的课程吗?效果怎么样? 15.The question is worth _______.A.to consider B.being considered C.considered D.considering His suggestion is well worth .A.considering B.being considered 选A还是B?His suggestion is well worth .A.considering B.being considered 选A还是B?为什么? 英语翻译I‘m going to talk about Cheer Chen.She is a popular Chinese singer ,song writer.guitarist and pianist .3 yeas ago ,I first listened to her pure songs .She writes her own music and lyrics .From beginning to sell demo at Kenting,she was n 武汉新航道的美国适应性课程包括哪些内容? I learned a lot by ____(do)things.I can take care of myself now. 英语翻译hello sweetness show tits and 武汉新航道美国名校腾飞计划怎么报名? Orient什么意思 唯一的听众中我看着这个老人安详的靠在木椅上,微笑着,手指悄悄地打着节拍.这句话通过描写老人的-------、-------,反映了-------------------------.从中体会到老人------------------------的情感 orient express 是什么意思 get off的同义词组 set off的同义词组是什么 iThey can't stay up until 11:00 pm. --___________. A. So do we B. So can't we C. Neither can weD. Neither we can The dictionary mustn’t _______ from the library.A. take away B. taken away C. are taken away D. be taken awayJames and John _____ by Who is thinner,you or your sister?这句话中的人物要不要用宾格? 总工的垂直管理下属是哪个部门 A force pushed me and Sam back and it knocked the wind out of us. no man is happy,but by comparsion啥意思 谁能帮我做这道题"Bob is a ------- but happy man." 你会做吗：Bob is a ------- but happy man. 谁能帮我做这道题"Bob is a t------- /'taied/ but happy man." ?你会做吗：Bob is a ------- but happy man. 谁来帮帮我! 急急急～～～ 为什么我的小企鹅这么可爱呢? 小企鹅怎么长得快!谢谢了,大神帮忙啊 小企鹅多少级可以找伴侣谢谢了,大神帮忙啊 大乐斗中企鹅区在哪大神们帮帮忙 小企鹅在哪里 小企鹅是怎样长大的 小企鹅手机怎么样呀?和小企鹅,小米类似的手机还有那些? 黄沙百战黄金甲的下一句是什么请快一些, ENW什么意思