绕道而行成功的事例

设A是空间内任一点,n向量是空间内任一非零向量,则适合条件（AM向量）×（n向量）=0的点M的轨迹是? 向量和轨迹方程的结合题..有点小难度....设x,y∈R,向量i、向量j为直角坐标平面内x、y轴正方向上的单位向量,若向量a=x*向量i+(y+2)*向量j,向量b=x*向量i+(y-2)*向量j,向量a的模+向量b的模=8.(1)求点M( He is busy.He keeps ____ these days. A work B to work C works D working 要理由. His wealth,is based on his company,Microsoft,of which he owns 39% of the shares.请帮忙分析这句话,特别是 of which he owns 39% of the shares这个定语从句,这种介词+which/whom/whose的,我一看就慌 a day's work a-day-work区别 急求!能不能再具体说一说加横线与没加横线的区别越详细越好~本人偏笨最好在通俗易懂一点 On Monday Mr.O'Donnell sent a memo around the office of his London stockbroking company.翻译 The boss kept him working all day.其中working可以换成to work吗 同义句转换 Mr King closed all the windows and left the office改成 Mr King left the office _______ all the windows _______. Didney opened his first movie company in the back of an office.中的back of an 如题,给出的翻译是：迪斯尼在一所办公室里开办了他的第一家电影公司.back of an office作何解呀?什么习惯的用法吗? 我能随时问你关于物理的题目吗? 为什么说弹簧伸长越长，拉力越大这句话错的 in working days ,还是on working days After the patients went into the office,＿＿working.A.only a doctor did they see B.only a doctor saw they C.only a doctor they saw D.only a doctor had they seen After we went into Mr.Lee office he asked us [ ]A,to seat B ,seat C,to be seated D,seating【写原因】 After we went into Mr.Lee 's office he asked us [ ] .【 说原因】A,to seat B,seat C,to be seated D,seating After a quick breakfast, I went into the lecture hall in a hurry. 全文是要它的全文 不是这句话的翻译 So much love, a litte time ! 是什么意思 so many watches.so little so little to do,so much time.这句话的意思…………………………………… 怎么写,快,么么哒. 星期五晚上是weekend还是weekday是下班或放学以后,在晚上.是个很值得思考的问题呢! weekday相当于 weekend相当于 weekday与weekdaysm,weekend与weekends使用和意义上的区别如题 谢谢! 香草冰淇淋的英语名字 She go into the kitchen哪错了 香草的英文单词是什么?好像是villele 这个的, 香草味可乐英文怎么说啊 耳朵的结构是什么样的 春天在花开的声音中苏醒 仿句请模仿“当你独自面对大雨时,当你看见好风景却无人分享时,当你仰望候鸟时,当你的孤单在北半球开放,然后寂寞在南半球收尾时,心中就会有一朵花在悄然开放. two business days 是多少天是两个星期吗? 请译为汉语business days 和 working days 区辨 business day到底怎么计算?人在大陆,和美国的交易,by the end of Nov.24,如果按北京时间今天已经25号了,但美国应该还没到24号晚12点,请问如果没有说明的话,以哪方为准?