證明三中垂線交於一點

first of all ,I would like thank you for your kind help ,with that i have made great progess in english .i will always remember the time when you encourage me for the english speech contest.in these days,you devoted all your spare time to teach me .i “我们是因快乐而幸福的孩子”求英文翻译 英语改错题,请帮忙修改,46.A container weighs more after air is put in,it proves that air has weight.A B C D47.The young man,to make several attempts to beat the world recordA Bin high jumping,decided to have another try.C D 48.Of the two coa 智障儿童欢乐多 精神病人思维广 朋友门还有和这差不多的网名不? 帮我做一些英语改错题 最好能说明原因I perfer walking to cycleNearly nobody could work it outThese numbers are amounted to 1000It appears we will win the matchI dont konw if he will come or notI ont doubt whether he can pass the examin 神经病人思维广,弱智儿童快乐多. 神经病人思维广 弱智儿童欢乐多... 5分钟前他就回家了用英语怎么说 精神病人思路广,弱智儿童欢乐多.这句话我记得有全文,是什么? 精神病人思维广,弱智儿童欢乐多 两个英语改错题, Jim is 1.70 meters tall.Tim is 1.70 meters tall,too.(改为同义句) Jim is( )( )( )Tim The boy is 1.80 meters tall.的同义句The boy is a_____ ________. 用括号内所给单词的适当形式填空.（每句需要翻译）It's difficult for me ____(study)English well.I belive___(tradition)Chinese dpctors.I think everyone has two____(foot).The old man has a serious____(go)out.通读下面的对话, We have an Art Festival every year.(改为一般疑问句）I like listening to music.(改为否定句）The basketball is under the table.(就划线部分提问）划线部分是：under the table请根据首字母提示乃句意补全单词.There a How tall is he( )meters? 急! 1,There are three______(enter)to the shopping mall.2,There is________(little)milk in this glass than in that one.3,It is 7 o'clock.Let us_______(begin)reading English now.4,what time________the shop_______(open)on Sunday?5,This is Monday.改错7,On S “He is nearly two meters tall”中文是什么 改错：This is a two-meters-tall tree. My father is about two meters____ A high B tall elephant the tall 2 is meters (.)连词成句,( )/~帮帮 今天有最加（ ）1、Try to make as mistakes as possible.A、less B、little C、few D、a few （ ）2、Jack has friends .He likes to stay at home and play by himself.A、little B、a little C、few D、a few （ ）3、The you read,the progre 质量为3kg的物体.静止于水平地面上,在10N的水平拉力作用下.沿水平地面做匀加速运动,物体与地面间的摩擦力是4N.求(1)物体在3S末的速度大小(2)物体在3S内发生的位移大小. tall,is,how,in,he,meters 连词成句. 1.一架飞机水平匀速的在某同学头顶飞过,当他听到飞机的发动机声从头顶正上方传来时,发现飞机在他前上方约与地面成60°角的方向上,据此可推断出飞机的速度约为声速的多少倍?2.天空有近 1.给你一个量筒,一个小玻璃瓶和适量的水,请测出小玻璃瓶的密度,写明简要的实验步骤,并写出小玻璃瓶的密度表达式2.实验器材：一些碎玻璃,装果冻用的塑料小盒子（重力忽略不计）,量杯一 求解三道物理题,要详细过程和答案 根据汉语提示完成下面的句子Children are fishing____________________（孩子们正在钓鱼）There are ____________books in the library.（图书馆里有许多书）Please don't play__________________(请不要在马路上玩耍）Do ti 1.把一条盘在地上的,长为L,质量分布均匀的软绳向上提起,当绳刚好拉直时,它的重心位置升高了多少?把一边长为L的正方形匀质薄板ABCD（如图1）绕C点顺时针旋转到对角线AC处于竖直位置时（A 要有原因（我不仅仅要答案）速度,我正在写作业根据句意填词Some of the kids are _________to spend time with their parents for vacation.是填have还是suppoesd呢?不确定…单项选择Peter arrived quite late today,so he did 1.某种游艇是以太阳能为动力,不仅节约能源而且无污染,它的关键技术部件是光电转换板,此板接受太阳光的面积是8米2,当板正对太阳光时能够产生120伏的电压,游艇上的自动装置使光电转换板 今天的作业.