旋转曲面方程怎么求

英汉互译：今天我们学校有一个图书大减价活动.we have a ( ) ( )in our school today附带讲解,Please啦~那个,如果只有答案, 英语翻译Our customer-ABCD informed us to contact you for the testing,please advise how many samples we need to send to you for test.and send your address for sending.thanks.我写的,我的意思是想说：我的客人让我联系你做测试的 I answered his telephone call.then I wrote him a letter (after)连接句子 i have just _(call) her telephone. 反义疑问句 She doesn't think he is a good guy,____?She thinks he is not a good guy,_____?填的有区别吗? I have to call the man.I picked up his umbrella after the meeting.两句合成一句,定语从句形式! II think she is a smart girl.变反意疑问句!帮帮!是反前面还是后面! after i have picked up a fake call,ring againafer如题.if i did not pick up or rejected a fake call,ring again fter这个也是 适当形式填空who's the ——(call) of the telephone--sorry i have no idea 清风小区去年年底全部改用了节约水龙头.张奶奶说,我家上半年节约水费34.5元.李奶奶说,我家第二季度共节约水费21元.谁家平均月节约的水费多? 英语翻译side letter 请问这是啥意思? A Letter from Sydney 英语翻译短文Dear kim, How are you? I enjoyed reading your last letter. Your little sister sounds very funny, just like sister. But sometimes my sister bothers me a lot. Yesterday my sister wanted to look at the book I french letter英文翻译成中文是什么意思? 形容稀少的成语 形容稀少的成语有哪些?最好有十个,达不到我也不强求. 可以这样说吗?We have received this project today and will work on it. Your bank has negotiated the documents & the funds were received today at our bank.这句话如何翻译? 英语作文怎么写 用英文介绍一下 超级玛丽的来源 附加汉语翻译 英语作文怎么写啊? 英语作文,怎么写啊, 这篇英语作文怎么写啊 Who do you think _ A did the book write B was the book written C was the book written byA did the book writeB was the book writtenC was the book written byD the book was written by 根据意思写成语：形容人的表情或性格怪异多变 I know she ____ a book.It's popular now.A.writing B.wrote C.write D.written who was the book written by、这个句子对吗 过去式和现在分词. 英语作文.随着时代的发展,我们的生活将会发生许多变化.请根据提示内容,以life in the future 为题目写一篇60次左右的英语短文,描述下你未来的生活.提示：1.what will you do in the future?2.who will do ho A=B*5+5;A=C*6+6;A=D*7+7;为什么A是5,6,7的公倍数呢? 写出过去式及现在分词 with后边什么时候ed,什么时候+ing WITH 后面什么时候接ING表伴随 什么时候接ED?