生于忧患死于安乐作文

秦兵马俑广告词(最多35字,最少20字） 关于秦始皇兵马俑的广告词 they are all my friends/they all are my friends有不同吗?要清楚的! They are all my good friends的意思十万火急 they all are friend 还是 they are all friend Those are my friends.They are all girls.这样的语法对吗?这题是这样的：Those are my friends.（ ） are all girls.A.That.B.TheseC.Those D.They.要是能说说为什么这样选，就更好了。（这样的话， D是AC上一点,AB=AC,AD=BD=BC,∠ABC度数是多少? 中学数学,几何题目,谢谢!为什么三角形ABC的3条边长是7,8,9,那么它的面积是 12根号,谢谢!上面的面积应该是12根号5，为什么？ 中学数学几何类型题现有一矩形ABCD和一等腰直角三角形BEF按如图所示位置放置（AB和BE重合）,其中AB=25,AD=48将△BEF绕点B顺时针旋转a°（0＜a＜90°）,在旋转过程中,EF与AD交于点G,如图（1）求证 These are my friends怎么改为一般疑问句?并作肯定回答? They're are good friend变成一般疑问句 改为一般疑问句 1.Mr Green has a volleyball. __Mr Green__a volleyball? 2.They are my good friends.改为一般疑问句1.Mr Green has a volleyball.__Mr Green__a volleyball?2.They are my good friends.___ ___your good friends? They are my good friends.改为一般疑问句和否定句. 方程lxl-1=根号下{1-（y-4)^} 所表示的曲线是 两个半圆 帮我解一下这种三阶幻方 中间是-10,每行每列三数和为0,要四种解法 在三阶幻方里填入适当的数,已知中间数为－10,使每行每列的三个数之和均为0（要3种答案)在三阶幻方里填入适当的数,已知中间数为－10,使每行每列的三个数之和均为0.要3种答案!要3种答案! 将-10,-8,-6,-4,-2,0,2,4,6填到三阶幻方中,使每行三个数,每列三个数,斜对角三个数之和相等 一道中学数学几何题矩形周长为2,将它绕其一边旋转一周,所得圆柱体积最大时的矩形面积为()A 4/27 B 2/3 C2/9 D27/4要详解 She is busy preparing a dinner for some good friends of hers.hers是不是her的宾格? a friend of her还是a friend of hers Some of my friends are dancing in the park(对Some of my friends提问)----- ----- in the park?两条横线 要上下册都有 分开的 求上册的教学计划再有就是 上下册的教参 苏教版小学《科学》四年级上册期末重点复习题 六角幻方的公式规律是什么请问大家六角幻方有什么公式规律吗? 谁知道六角幻方 求出幻方中的x.(幻方中每列、每行及每斜行的数加起来的和相等) 画图写上来求出幻方中的x.(幻方中每列、每行及每斜行的数加起来的和相等) 画图写上来 My parents went to birthday party yesterday,__ me alone at home.A.leave B.to leave C.leaving D.left请高手给个确切的答案,再讲下其中的语法知识, I with my feiends went to Ann's home for a birthday party.语法有错误吗?快速,I with my feiends went to Ann's home for a birthday partyI with my feiends went to 意思为：我和我的朋友去了安的家里参加生日聚会 I went to a party with my friends,but I went home（ ）an hour because it's boring A in B after I would like to j___ my friends to my birthday party.中,——上填什么 a birthday party,had,at my home,l 苏教版四年级下册科学教学计划