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现有直径为0.8米的圆柱形钢胚30米,可足够锻造直径为0.4米,长为3米的圆柱形机轴多少根?请用一元一次方程解答 完型填空答案 第四大题和第八小题怎么写啊?英语. 求完型填空答案 矩阵式子满足,B的平方等于2B,能说明的特征值只能取0或2, 数学题几则,不难,望鼎力相助1、“嫦娥二号”卫星从发射到飞离距月球表面100千米的这段时间称之为奔月时间.卫星发射一段时间后,已经飞行的时间与剩下的奔月时间的比是1：3,如果再飞行40 AB两只渡船在一条河的甲乙两岸间往返行驶.它们分别从河的两岸同时出发,在离甲岸处700米第一次相遇,然后不要用方程 完型填空!急 二次函数y=ax^+bx+c的图象与x轴交于点A(6,0)和点B(2,0),与y轴交于点C（0,2√3）,圆P经过A,B,C三点1.求二次函数的表达式2.求圆心的坐标3.二次函数在第一象限内的图象上是否存在点Q,使得意P,Q,A,B四点 A、B两只渡船在一条河的甲、乙两岸间往返行驶.他们分别从河的两岸同时出发,在离甲岸700米处第一次相遇,然后继续仍以原速度前进,一直到达对岸后两船立即返回,在离乙岸400弭除第二次相遇 完型填空, 当代还有哪些詹天佑式的科学工作者,他们在哪些领域优异的成绩?为祖国作出了哪些贡 英语翻译Might I also suggest that,while some time away,you also look at visa issues as we had a problem with one student from China last year who was going to come but had a last-minute issue,which forced him to stay at home 世界上最高的人是誰?他叫什么!告訴幫滿說下! 全世界有多少人叫鹿晗 英译汉 麻烦大家帮忙整理一下,谢谢了Jake is now realizing that when he sat near Bert in the corner, he wasre-entering his childhood experiences, his need to stay near his deafbrother, as if to protect him from his parents' confused and 有一句话大概是“ 永远不要说谎话,因为你会用另外的很多谎言去弥补, 真话永远不怕担心 ” 原话是什么? 当代还有哪些詹天佑式的科学工作者,他们在哪些领域创造了优异的成绩?只用写出姓名.所在领域.取得成就.（要简短.3个） 这个世界最帅的人是谁,最美的人是谁魔镜啊魔镜,我要超越他们. 英译汉谢了This afternoon Zhao Wanying ran up to me with her chest heaving heavily for panting and handed her umbrella to me.with her chest heaving heavily怎么意思？ Admission requirementsTo be considered for admission to the MFA program in imaging arts-photography,candidates must fulfill the following requirements:•Hold a baccalaureate degree (or equivalent) from an accredited college or university,• 苏教版六下语文实验班提优训练第三单元综合提高训练题目内容 求英译汉.我 将那位著名选手的演讲录了下来.创造一项纪录难,然而,保持纪录更难.活到老,学到老.我将那位著名选手的演讲录了下来创造一项纪录难，然而，保持纪录更难活到老，学到老。 英译汉,谢One day,after he plays basketball for an hour with his friends,he runs out and jumps into a car. 英译汉,This method we are using for learning English is called the Direct Method./ By this method the student thinks and speaks directly in the new language without first translating. 1.how about speaking English every day?2.It's too hard to unnstrand the voices3.I find that studying math is difficult4.he said that memcrizing the words of pop songs also helped 5.LiMing feels differendly6.This kind of paper feels very soft7.My fath 英译汉 There is only one week left before the exam “who shares in my troubles as well as my jobs ”翻译成中文 速度英译汉buring英译汉 英译汉!速度"谢谢!速度!急!I love you just the way you are.就是后半句没懂 麻烦.英译汉I jurt smiled to myself and thought,"what can I do?" 全世界有多少人叫陈伟