grind的过去式

已知集合A={2x+3y|,x,y∈z},B={4m+5n|,m,n∈z},问A,B之间的关系. 英语翻译2000年欧洲杯随法国一起胜利是这么翻译吗? 已知圆的周长为C,那么圆心角为n°的弧长L=什么 The box was so heavy that I couldn't lift it .中为什么用couldn't 而不用can't STRATEGY THE INDIRECT APPROACH怎么样 求快速记忆英语单词视频最好是以故事的形式! 什么是differentiaion strategy和focus strategy,两者有什么区别? attend school ,attend church 以及approach有哪几种意思?关于approach的词组也说一下, 有没有什么立志的名言 写一句劝诫人们要有宽阔的胸怀,不要怀有狭隘的死于的名言佳句 I was too dark,so I could h___ see anything. 有没有励志的经典名言励志的,发人振奋的话 一个小短语也行 It was so dark.I could't see______?A.not moreB.no moreC.any moreD.too more可为什么? 填空it was too dark,_____(see)anything sale,for,not,are,They,连词成句,并翻译 宇航员吃“牙膏饭”是怎么回事? 英语句子翻译 括号不翻1 (Most of his training is in criminal law,he has to know exactly what actions are crimes and what evidence can be used to prove them in court,and what is more ,)he has to apply it on his feet ,in the dark and rain ,run 英语翻译（An adult-pleasing first-born is destined to respect parents more than his younger sisiter and brother ,）the latter may avoid any kind of writing job pursued by his or her parent for the superior attractions of hairdressing and design 英语翻译1(the results of these speculations made up his religion,the study of which is called theology)he has probed a little way,into the rocks of the earth,and has recorded the results of his investigations in a mass of knowledge of a materiali 爱因斯坦是最杰出的20世纪科学家修改病句 I never play comeputer gamesnever划线提问 改为( )( )do you play computer games 有99根火柴,甲乙两人轮流取火柴,每人可以取1/10/11根,取到最后一根者赢（甲先乙后）,问谁有必胜策略?若无办法,请写：无（是我老师出的, 著名的哲学家有哪些? All About the Sex 歌词 谁有just the sex?请发给我~thx~ 美国的夏天节日有哪些快 快 快 快 快 快 快 快 快 特点,家乡,原因,象征,节日,夏天用英语咋个说?如题 谢谢了 夏天过了是什么节 美国大学的rotation是什么意思 oblique rotation external rotation是什么意思 垚字潮州话怎么读吖?