有30位战士来到河边，河边有一只小船和两个小孩，如果小船一次只能送两个小孩或一个战士，将全队人运过河

The request your client sent was not identified by the gateway 过点（3,0）,（0,5）求椭圆标准方程 椭圆题 求标准方程焦点在x轴上 焦距等于4 过点P（3,-2根6）求椭圆标准方程ps:不用待定系数法 英语翻译what dose "the first of up to five hydrogen buses"'mean? I usually（ ）（have) breakfast at seven I"m going to start（ ）（wash）the dishes How laws are made in singapore ?急用!要很详细，请尽快答复！！！！ 已知f(x)=4msinx-cos2x,(x属于R),若f(x)的最大值为3,求实数m的值 Has Ian sold his house yet? 伊恩把它的房子卖了吗? No,he haven't. 还是 No,he hasn't. 为什么? 孙犁的《芦花荡》中有一段话描写老头子因没有圆满完成任务二懊恼、内疚、自责的心理细细品味,把第二天二菱目睹老头子的英雄行为时的心理描写出来,自己写,200字 He's not feeling well变一般现在时 we need to make sure that the definitions we find in dictionaries match the context.是定语从句吗? he is not feeling well(改为现在进行时) We need to make sure that the definitions we find in dictionaries match the context.的意思是什么? He feel well等于He is feeling well吗? he is feeling ____(well) now. 我想知道他的房子卖了没有 I want to know if his house has sold 这句有错吗? 怎样才能使自己有耐心 怎样能让自己有耐心一点我也不知道为什么、我不管做什么都是三分钟热度、我有写小说、才写了七章、没人收藏我就不想写了、、我回答知道问题、、看着自己回答过的答案没有被采纳、 怎样才能使自己更有耐心 We do not have to wear school uniforms if we do not like them.We ( ) ( ) what we like. 简便计算 很多 大家要有耐心a1.7分之5-15分之4＋15分之1＋7分之2 2.7.5除以0.125除以0.83.99×999＋999 4.5.1除以30－4.8除以305.12－(15分之1＋21分之1)×105 6.18×25%＋4分之1×60＋42×0.257.2007×2008分之2007 木兰代父从军得原因是什么? Has Ian____(sell) his house yet?用所给单词的适当形式填空 f（x）=2sin（2x+π/6）如上,x∈[π/12,π/2],函数的值域是? Let us see同义句 Let us [ ] [ ] [ ] let us see的同意句 f(x)=2sin(2x+π/6)写出g(x)=f(x),x€[-7π/12,5π/12]的对称中心(必要时请加点文字说明)不对 答案是(-π/12,0) 解释说g(x)没有对称轴，所以对称中心2x+π/6=0, with +O+to do /doing/p.p造句 改错：Ian has sell his house. 如何将f(x)=2sin(x-π/6)的图像变换成g(x)=2sin(2x-π/6)的图像? Dictionaries are ...1.Dictionaries are not allowed to use when you are taking an exam.还是 2.Dictionaries are not allowed to be used when you are taking an exam.哪句对? Thanks and hope you are in the mood. these are dictionaries提问dictionaries