设函数y+xe的y次方=1，y是关于x的函数，求dy

谁知道些海子的名句 10句左右都要是名句 就是1首诗中的名句 a single 它与a card及single card有何区别? 当一个女孩说：“Decide to be single.当一个女孩在她的签名是“Decide to be single”.请大家站在女孩子的角度回答!最好是女的回答. 句孑中的冒号:是什意思? we don't stand a chance的歌词 I'll stand for your lunch,这句话怎么翻译比较得体? My dog runs fast 改为否定句 would you last a day like that? 如何解决同学之间的矛盾?150字中学作文 速快! 为什么是how'd you get that?而不是how did you get that?how'd=how would吗? 如何处理好同学关系300字作文.快. which country_____ the frist animal into space"有send,sent,seeding 选空 how do you do that怎么回答 问几个多音字血、倔、晕要两个音,麻烦把音打出来还要组词 五年级作文《我喜欢水》600字 I’m very sorry ______ the whole morning.I forgot the appointment.A) to keep you wait B) to have kept you waiting C) to keep you wait D) to keep you wait 26.I’m very sorry ______ the whole morning.I forgot the appointment.A) to keep you wait B) to have kept you waiting C) to keep you wait D) to keep you wait well-travelled是什么意思 travelled用于什么句式 travelled的美式写法是啥? 音标怎么读,怎么记,怎么发音 wel-traveled He traveled什么意思 Thomas Coryate traveled(什么意思） little-traveled where a dimand little-traveled trail led eastward through the pine forest.就是这句话里的, I traveled to trample是什么意思 travel过去式是traveled还是travelled, travel和signal 的过去式是 travelled 和 signalled 不是要重读才需要嘛? 英语翻译The cost of this study is $20,000 (US Dollars) and it will be credited in the final Equipment supply contract,as long as that contract is signed within six months of receipt of the full $20,000 (US Dollars) payment.求整句翻译~主要 Less Provision For Bad debets是什么意思? 身边的趣事.作文600字,中学生水品, 谁有一个五年级水品的作文400字左右（写敦煌这个地方的）