如图,AC垂直BC,AD垂直BD,AD=BC,CE垂直AB,DF垂直AB,垂足分别为E、F。求

dorkly ever 在电影中,我看字幕翻译的是“傻人有傻福”是这个意思吗 He i the oldest athlete ever_____an Olympic gold medal.A.to winB.winC.wonD.has won为什么选择A? 将句子改成倒装句If he had not told me about that,I would have lost the competition.It's hardly surprising that he's upset,considering the way you've treated him.It is by no means certain that you'll get your money back. 帮我改几个倒装句吧.1.You will see so many seats only at a stadium in Beijing (ONLY)2.I have seldom been so upset (seldom)3.You will be able to write a good report only after you have acquired the information you need.(only after)4.He gave a 改成倒装句1.It was at no time been more difficult for us to pass the exam.2.There was a sudden gust of wind and his hat went away. 倒装句改一般句Such was his worry that he could not go on with his work.我还语法书上看到的,在结果状语从句这一版块,它这里提到一个so or such ···that···至句首的改法 be in need of sth,和做动词的need,有什么区别,个在什么情况下用, people usually go to parties at spring festival(改为一般疑问句,并做肯定回答) People usually eat d______ at Spring Festival in China. 一句话英语语法纠错the stronger social moral sensibility one has,the more possibility he/she will be a social service volunteer. 麻烦谁能推荐一下高一数学的辅导书,适合上海的.将来要选化学.基础还不错,希望能力能够提高.一本就够了.有分类详解的. 有机体的定义,什么是有机体首先请看明：我说的是有机体,不是有机物有机体是有生命的个体,那么就是生物了.是不是就这样呢?有没有更详细的说法呢,最好将一下这个名称的由来或者其相关 九年级下册数学71页10题和12题具体解题过程 “非淡泊无以明智,非宁静无以致远”出自哪里 “非淡泊无以宁静,非宁静无以致远”是什么意思? 核舟记中写核舟体积小容量大的语句分别是什么?核舟记中写核舟体积小容量大的语句分别是什么？ 核舟记第二段哪些句子最能说明核舟的特征,举两例具体说明 如图,已知抛物线y=-x²+2x+1-m与x轴相交于A、B两点,与y轴相交于点C,其中点C的坐标是（0,3）,顶点为点D,联结CD,抛物线的对称轴与x轴相交于点E.（1）求m的值（2）求∠CDE的度数（3）在抛物线对 一道数学12分的题（无图）在直角坐标平面内,O为原点,已知抛物线y=x²+bx+3经过点A（3,0）,与y轴的交点为B,设此抛物线顶点为C.（1）求b的值和C的坐标（2）若点C1与C关于x轴对称,求证点 C1在 微彼二子者何以治吾国!微此一臣者何以乐吾身!翻译 7下北师大数学习题1. 国微上有什么?什么意思? 微二子者,楚不国矣 翻译具体点 非淡泊无以明智,非宁静无以致远.的意思是什么? 11题,12题,答案求助数学 设函数f(x)是定义域在R上的任一函数,证明F（x）=f(x)-f(-x)是奇函数 详解12题数学 12 题 需解析 倒V装的那个音标,应该是念“饿”吧.我怎么在dict.cn听单词发音的时候,感觉发音还是念“啊”呢.dict.cn应该是美式发音啊. ldon't need others anymore in my life because of 翻译：Others do not work as idiot,because you are also mediocre in need of的用法