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描写老师的诗句50字不能多 写一段描写春天景物的话,并用上你学过的诗句.（不要太长,50字即可） 急需描写春天的词语50个谢谢各位了 1.如图1,ad平行bc,ad=bc,ae=cf,求证de平行bf2.如图2,已知bc⊥ad,ac=cb,cd=ce,且c在ad上,ae的延长线与bd交于f,请你在图中找出一对全等三角形,并写出证明它们全等的过程.3.如图3,ad⊥bc,bd=dc,点c在ae的垂直平 几道初二数学题!暂时没多少分了,回答好的,追加100分（1）在正方形ABCD的外侧,在AD边作等边三角形ADE,连接BE,则∠AEB的度数为?（2）顺次连接等腰梯形各边的中点,所得到的四边形为?（3）一个 高一英语改错My friend Henry,with him I studied in the same class,didn’t like studying at school.That’s because he couldn’tgo to high school.He had to return back to his hometown,where his father wished him to learn to manage our smallshop Video games have become very popular in recentlyyears.Wherever you go to,you will find middle schoolstudents playing games either in bars nor at home.Some students believe that playing games are veryhelpful for them to develop their interest of compu 高一英语改错.急Most students study English hardly at school but they only use the time study the rules of the language and new words.They spend a lot of time in exercises.They don't like read English very much.Actually,reading for pleasure is 下列每个句子都有一处错误,找出并改正.1.The old man said he had joined the army in 1965.2.Mary said she did not heard from her old classmate since Sep.3.Don't look at someone else paper,Jonh.You should do it by yourself.4.In order to i the museum is built where used to be a tower我觉得把where改为in which,不知对否? 一篇关于人与动物和谐相处的文章或作文 关于春的七字诗 要自己写的 描写春天的五字古诗 杜牧写的带有春字的七字诗句如题 高一英语改错题The long-desired winter vacation arrived in the end,As soon as the bell rang ,announced the end of the class ,each student couldn't wait to rush out of the classroom .Half an hour late,my good friend Li Ming ang I were on the way Bill,together with his friend Ted,were sailing on the sea.They were very happy.At noon ,it got windy .So they decidedto hardly that they couldn't control the boat well.They werefrightening.Finally ,the boat was out of control .The wavespushed the boa 已知fx的定义域为0到负无穷,且函数f2=1,fxy=fx+fy,当x>y时.fx>fy,（1）求f1,f4的值.（2）如果fx+ 已知函数FX的定义域为x不等于0,当x>1时,fx>0,且fxy fx+fy,求证fx在（0,正无穷）上为增函数. 已知函数fx在定义域(0,+∞)上为增函数,且满足fxy=fx+fy,f(3)=11.求f(9),f(27)的值2.解不等式f(x)+f(x-8)＜2 已知函数fx是定义域在(0,正无穷)上的增函数,且满足fxy=fx+fy,f(2)=1,求f(1)的值 求英文名解释及音标想取个英文名 因为我的名是 丹 所以选了 这几个名字 Darcy Daisy Daryl Danae的意思 和 发音 如果有更好的,就更加感谢了. 人与动物和谐的关系的故事短点的,简练的,急 人与动物和睦共处的小故事(别太长,2篇) 人与动物和谐的故事 人与动物的故事感人短的不多于300字啊!1急!1 谁有人与动物之间感人的故事?要和平相处间发生的感人的故事!^-^~那个,我现在读小学六年级《金色的脚印》、《老人与海鸥》、《最后一头战象》、《跑进家里的松鼠》我都熟悉, 我想知道到,非常感受大伙5a 请问大家一下孩子读不懂小学一年级数学题读怎么办哟?在线等了,非常感受大伙{随机数g 如图是一个常见铁夹的侧面示意图,OA,OB表示铁夹的两个面,C是轴,CD⊥OA于点D,已知DA=15mm,DO=24mm,DC=10mm,我们知道铁夹的侧面是轴对称图形,请求出A、B两点间的距离． 求这几道题的过程,求详细,初二数学,【不难,急用,可追加50分!应该不难啊orz,可是我怎么算也算不到正确的答案,过程求详细!在线等.求在今天之内有人回答 一辆装满货物的卡车高2.5米,宽1.6米,要开进厂门,如图所示,厂门的顶部呈半圆（AB为直径）,下部呈长方形,问这辆卡车能否顺利通过厂门?为什么? 1.如图,一个三角形纸片ABC,利用对折的方法找到两边的中点D、E,将CE平移到DF处,剪下△DBF①,并将△DBF绕D点180°得到小△DAG②.问：(1)如图,连接DE,DE与BC有怎样的位置关系和大小关系?为什么?2.如