你常常做作业在星期几

伟大反义词是什么 有鲜明的阶级观点,爱憎分明,尤其是对人民事业鞠瘁诗句 “有鲜明的阶级观点,爱憎分明,尤其是对人民事业鞠躬尽瘁”的借用动物来描述的诗句 改错 At first we were so high above in the air that everything seemed like ants;but I could see whaAt first we were so high above in the air that everything seemed like ants;but I could see whatever I wanted. 第一步是怎么得出来的?没看懂. 解的第二步没看懂 求详解 As long as you're near,the first time we met,I could see,that you and I,were meant to be . 已知圆C：x^2+y^2+2mx-6my+1=0上有两点P,Q关于直线x-y+4=0的对称,且以PQ为直的圆经过原点(1)求m的值(2)求直线PQ的方程 We got up early so that we could catch the first train句型转换=we got up early__________we could catch the first train =we got up early_____________could catch the first train 已知椭圆O的中心在原点,长轴在x轴上,右顶点(2.0),上顶点为B,右焦点为F2,BF2的倾斜角为150°.不过A点的动直线x-2y+2m=0交椭圆O于P,Q两点.(1)求椭圆的标准方程式(2)证明P,Q两点横坐标的平方和为定值( we were surprised that the little girl could dance so well.同义句转换:___ ___ ___,the little girl could dance so well. 在边长为a的正方体ABCD-A1B1C1D1中,E、F分别为B1C1,C1D1的中点,若截面EFDB与侧面BCC1B1所成二面角为锐角,则COS这个角的值等于多少? 请以“心事”为话题,写一篇文章.（不少于600字）每个人的内心都是一个丰富的世界,有喜悦,有愤怒,有忧伤,有快乐……身体的变化,生活的酸甜苦辣,世界的纷繁复杂 ,有多少事、多少想法藏在 春雨有什么特点 春雨的特点用一个字表示比如：密、细都是 春雨的特点我有急用,马上就要, 《春雨》,它具有……、……的特点短文《春雨》 请问如何翻译Half of the candidates were voted out. △In1850,about a third of U.S.A.( )covered by forests.A.were B.has been C./ D.was △Half of the△In1850,about a third of U.S.A.( )covered by forests.A.were B.has been C./ D.was△Half of the class haven't done all of the homework because some ( )r 形容春雨的诗句 人们常常用什么诗句来形容春雨的珍贵 设A=(a,b,c),B=(x,y,z),且|A|=5,|B|=6,A·B=30,则a+b+c/x+y+z=_______.【注】A、B均为向量 摩擦力与接触面积有关系吗?还有别人说,什么刚体之间,和那个柔体之间,刚柔之间的摩擦是什么意思, 抛物线x^2=4py(p>0)上一点M到焦点的距离是a(a>p),求点M的坐标.用文字讲好点 老师让我用“因为.所以”造句我说因为我姓刘,所以他姓张,可是我却打错了,怎么错了 石壕吏的“安史之乱”表达了诗人怎样的思想感情快啊,最好是马上哦 《石壕吏》一诗表现了 的社会实现,表达了诗人 的感情. 《石壕吏》一诗表现了杜甫怎样的思想情感? 石壕吏结尾四句表现了作者怎样的思想感情暮投石壕村,有吏夜捉人.老翁逾墙走,老妇出门看. 　　吏呼一何怒!妇啼一何苦! 　　听妇前致词：“三男邺城戍.一男附书至,二男新战死.存者且偷 石壕吏中诗歌结尾独与老翁别一句蕴含了诗人怎样的情感态度速度啊! 长征途中红军战胜了许多自然条件的艰险,其中情况最突出的是什么 怎样提高交往能力(七年级政治)