liveon和liveby区别

这题咋写,急 这题怎样写? 这题物理题怎么写?急某测量员是这样利用回声测距离的：他站在两平行峭壁间某一位置鸣枪,经过1.00s第一次听到回声,又经过0.50s再次听到回声,回声测距是利用了声波的——?已知声速为340米 这个题怎么写?铅笔画的不是。 莫泊桑拜师说些双通道第一题怎么写~莫泊桑成名以后,假如有人向他请教写作经验,他会怎样讲述自己拜福楼拜为师的这段经历呢?请你展开想象,以莫泊桑的口吻,讲述这个故事.（创造性复述） 奇峰怪石的奇是什么意思 he did his homework carefully for fear that heHe did his homework carefully for fear that he ( ).A.made a mistake B.makes a mistake C.would make a mistake D.make a mistake为什么选B 不选C? He did his homework carefully for fear that he would make a mistake.这是我的书上的答案但是在另一个百度知道的问题中,答案确是He did his homework carefully for fear that he ( ).A.made a mistake B.makes a mistake C.would make a 一道难题（物理）3.小文的体重为600N,当他使用如图所示的滑轮组匀速提升水中的体积为0.01m3的重物A时（重物始终未出水面）,他对地面的压强为8.75×103Pa．已知小文与地面的接触面积为10000px2 猫头鹰的生活习性,为什么晚上活动而白天休息 谁有关于上进名人名言? 上进名言急……残疾人 积极上进的名人名言 i was there for half an hour and there was still a long line in front of me 翻译 The so-called"life",all depend on who you meet. 作文：这是2011惠州三模的作文题目《生命中不能没有你》满分60,我可以得多少分的呢?可以给些建议我么?生命中不能没有你当空气的压制,使临城的乌云席卷而带咆哮,当碳元素始于万丈的海 Hope that you dote on me all my all my life for Can you see the hill in a long d_____?It t_____ me half an hour to get there. In my life we'll go on 的意思 朋友们快来帮帮修改一下英语演讲稿,MY WOR,MY BUSINESSGood evening,Ladies and Gentlemen.Today my topic is about the war we will come across one day.In the frist place,before my speech I must point that I am not a man who desire for a war as long as there is today,tomorrow will be the starting line in the first day of my life 还是on the first day of my life 请英文好的朋友帮助修改一下用于英语presentation的outline.In the beginning,I'll establish the context of the case study,summarises the dilemma and the positions.Next,I'll introduces two experts and contrasts their perspectives.And fin 为什么会有猫哭耗子这句话 呃……还是几道高一英语题（填词）1.I chose an old apple tree and _____ (使……围着)my sisters around it.2.They put their poster on the school display wall and let as many students _____ up (报名参加) as possible. 假设我是Alan Brown,用英语介绍一下自己,不少于五十词.下面是身份信息：：First name:Alan Last name:Brown Nationality:AmericanAge:12 Occupation:student Telephone number:521-1256 求一篇大学oral presentation ,或者说给点有关的话题也成.挺急的,我现在毫无头绪.电影,名著的观后感一类的就算了吧,来点有新意的 有没有英语好的同学 请帮忙把以下内容翻译成英语,多谢!（不是电脑软件翻译）我公司非常有诚意的想加入“EII”组织,也非常拥护贵组织对于环境保护的各项政策,我们有义务也有信心能做到相关政策的要求.不 唐浮图慧褒始舍於其址,而卒葬之 中卒怎么解释 如何写好一则消息的主体