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中国的第1张邮票是什么样的? 给几张邮票照片! 武松喜欢潘金莲吗?为什么喜欢,请说出理由 正方体中怎样一刀切五边形.六边形,最好有图! 怎么才能经营好一家水果店 40尺高柜的内径尺寸是多少?要内径哦,确定可以装的下的,因为我在网上看了一下,尺寸都不太一样 当量与质量如何换算 能补充维生素C的水果? 这个照片里是什么水果? 哺乳期吃什么水果好 把3米长的绳子平均分成4段,每段长3/4米吗? 把一根二米长的绳子,平均分成四段,每段是这根木条的几分之几,每段长几米,每段长是1m（） 李阿姨家养了6只兔子,有2只黑兔,4只白兔,每只黑兔生了5只小兔,李阿姨家一共有多少只兔子? 正方体怎么一刀切成六边形 用正方体如何切一刀切成六边形 received的单词怎么翻译成汉语啊? 翻译a commonly received ideaa commonly received idea...that it requires nothing but a disappointment in love or incapacity in other things,tu turn a woman into a good nurse. Refounds received from suppliers.求 人工翻译解释下这句话. Received 20 November 1998; received in revised form 28 May 1999; accepted 29 October 1999怎么翻译 英语翻译 3.微笑着讲将使你的演讲更容易受欢迎.(well received) 怎么计算铝棒的重量1、直径30（mm）2、长度1米3、铝的密度：2.71求：铝棒的重量（单位KG）请提供计算公式 3千克梨和4千克苹果共18元,4千克梨和5千克苹果共23元,那么1千克梨多少元?不要方程式 求准确的翻译A friend of mine named Paul received an expensive car from his brother as aA friend of mine named Paul received an expensive car from his brother as a Christmas present .On Christmas Eve when Paul came out of his office ,a street ur my brother would like to see a friend of（）答案是his可我认为of是介词后加宾格形式him啊,请指教 翻译 His friend's brotherHis friend's brother 可以解释为他的朋友也是他的兄弟么 把5米长的绳子平均分成7份,每一份是多少?每一份是几米? 英译汉A friend of mine named Paul received an automobile from his brother as a Christmas present.1.A friend of mine named Paul received an automobile from his brother as a Christmas present.2.One of the most serious changes of old age occurs in th 把10米长的绳子平均分成3段,每段是这条绳子的多少,每段长几米 一位同学进行“用打点计时器测量自由落体加速度”的实验.这位同学从打出的几条纸带中挑出一条较为理想的纸带.把开始打的第一个点标为A,随后连续的几个点依次标记为点B、C、D、E和F,测 一位同学进行用打点计时器测量自由落体的加速度实验...5..一位同学进行“用打点计时器测量自由落体的加速度”实验．这位同学从打出的几条纸带中,挑出较为理想的一条纸带．把开始打的 用打点计时器研究自由落体的加速度 该怎么求?纸带上表明了若干个计数点 已知时间间隔为T1.因为已知是匀加速运动所以我用逐差相等的公式 a=Sm-Sn/(m-n)T22.求出各个计数点的瞬时速度再用 a=V 用打点计时器测量自由落体加速度的实验,用电磁打点计时器或电火花计时器有影响吗?