平面法向量公式推导

They___in___same grade选择 A:all are;a B：are all;the C:all are;\ D:all;the sina邮箱有的邮件前面打上!这个符号 The same tried jokes about women drivers are repeated day in,day out sinA是啥意思?清楚点 翻译：最佳季节：参加歌咏比赛：填词：Nancy is talking______ Miss Li ______ her plans _______the weekend .It ' s warm is spring (对warm提问）The girl with the yellow blow is watching the snow （对 with the yellow blow 提问） 英语问题~!帮撒~!用英语翻译 （最好使用简单的词汇 初中英语—— 我的房间看~!这是我的房间~!这是我的床,他靠着墙,床的上方是一个贝壳风铃,很漂亮的.床的旁边是一个很大的书橱, 英语问题撒~~~交通繁忙 词组撒````` 英语的问题撒~~~Boys.don't touchu the machine . Or you may hurt__________.he fell off the bike and hurt_________yestreday when he went homeMillie can repair the broken computer_______i don't think these children can took after________Tom is genr Anna is good at swimming.同义句 Tim always makes us laugh and we enjoy ___his storiesA.listening to B.to listen to 附上原因 英语翻译1.他在边弹吉他边唱歌2.吃午饭的时间到了3.每晚你睡多长时间?4.别忘了带上你的照相机5.我正在为我的女儿找一件裙子 Last Friday morning,Benwent to the beach with his family.怎么提问 i take them up like the male and female paper dolls, and bang them togethertake up 是词组吗?什么意思?like的词性意思又是什么? PAPER怎么样 PAPER代 写怎么找 It's a watch? 如何确认欧洲药典是否正版 _______of us is good at English.A many B much C lots of D any 英语翻译英文歌词:And I'd give up forever to touch youCause I know that you feel me somehowYou're the closest thing to heaven that I'll ever beAnd I don't want to go home right nowAnd all I can taste is this momentAnd all I can breathe is your 英语翻译看一楼1楼是正文,,,,翻译下面那个,,, Everyone likes living in big why 英语语法题 求各路大神回答=n=A great earthquake happened on the afternoon of May 12th in Sichuan,thousands of deaths A.to cause B.causing Ccaused Dhas caused为什么不选C呢 我的理解是主语是earthquake 定语happened on the after 英语翻译foolscap paper的英文解释是 unglazed ruled manuscript paper.请问怎么翻译. acne jeans 中文怎么读,他家的牛仔裤一般多少价位?想知道acne jeans算不算一线品牌,价位如何?中文怎么念? GOOOD翻译成中文是什么意思?有没有这个单词? 英语翻译折纸是一种以纸张折成各种不同形状的艺术活动.折纸不只是儿童的玩具,也是一种有益身心、开发智力和思维的活动.儿童通过折纸,可以培养他们的动手能力,使大脑得到了开发和锻 英语翻译是发展性的文章吗?或者重要文章?或者基础的文章..通常这样表到,XXXX是一篇什么方面的seminal paper.那么又怎么翻译呢?既然是重要文章，为什么好多地方都不翻译过来，而是直接用semi The suggestion forward by the boy was that we the young trees every day.A.put,would watThe suggestion______forward by the boy was that we_______the young trees every day.A.put,would water B.was put,should waterC.put,watered D.put,water 妈妈认为我穿T恤和牛仔裤适合旅游 翻译 秋天穿羊毛衫和牛仔裤很舒服 翻译 英语翻译她喜欢穿牛仔裤.不要越过这条线.翻译以上两句. How much money do members of the UN give each year to help victims of war and natural disaster?