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《兰亭序》的作者 兰亭集序中第二段末说“岂不痛哉”,作者为什么感到痛,请用原文分条回答 兰亭集序的作者悲和痛的原因 我没法多吃蔬菜（汉译英）I--------more vegetables 你必须尽量多吃蔬菜 You______ _______to eat more vegetables he lived there for three years he lived there three years ago 一个加了for一个没加,语法都对吧意思不一样吧 I had lived there f______ nearly two years.thanks A(5,2),好像是一个排列组合.等于20 五分之三x的二次方*y的系数.次数.项数是多少? -2*x的平方*y+6*x的平方*y的立方减3的项数、最高次项、几次几项式、 是多少 I've been collecing them for five years对画线部分提问!画线的是for five years I've been collecting them for five there are many amazing festivals around the world.Tomatina takes place inBunol,a town in Spain,every year on the last Wednesday in August.Tens of thousands of people come here and throw tomatoes at each other.This tomato fight makes knee-deep rivers there every Spain is in year a food fight组句kkkkkkkkkkkkkkkkkkkkkkkkkk There is ______ trouble on the frontier; every few months fighting breaks out.选项:a、constant b、 continual c、 continuous d、 consistent 一个矩形的对角线长为6,对角线与一边的夹角是45度,来这个矩形的各边长 一个矩形的对角线的长是6厘米,对角线与另一边的夹角是45度.求矩形的长于宽这个矩形的长于宽是多少? 一个矩形对角线长6厘米,对角线与另一边的夹角是45度.求矩形的长于宽? 线性代数关于特征值求解求解 线性代数中的特征值有没有简单的求解方法? 技术工程师 用英文怎么翻译 四刀最多能将一个四棱柱豆腐块切成几块? 英语翻译1.what do they looklike?2.IS he tall oe short?3.he,s really tall?4.They have curly hair?5.They have curly hair?6.He isn,t tall or short.HE,s of medium height? 已知长方形ABCD的对角线BD长20厘米,长是宽的2倍,如图1,求长方形ABCD的面积.已知长方形ABCD的对角线BD长20厘米，长是宽的2倍，求长方形ABCD的面积。 矩形abcd的对角线ac,bd相交于点o,ab等于4厘米,角aob等于60度,这个矩形的对角线长是? 把一个正方体用刀切去一块,能否得到一个新的正方体?那么能否得到长方形、三棱锥、四棱柱、五棱柱 功率因数表的符号怎么打? "deferred 中文表达以及解释? 英文tax是什么意思 A tax is a tax is a taxThe 38 and 39 percent brackets arise because of "surcharges" applied on top of the 34 and 35 percent rates.A tax is a tax is a tax,however,so there are really six corporate tax brackets,as we hace shown.这是英文原版教材 回答有好评,要算式. 高中 如何提高文言文的正确率大概的意思能够看懂 可每次三个选择一个都不对