试着写2个含有字母想，x，y的多项式

important是单音节形容词吗?请求英语高手援助,Happiness is most important.这是病句吗？同学说most前加the但我认为不应该加，我把most看做是副词修饰形容词可以吗？ 有require for吗?是什么意思? Live a life of gratitude什么意思? 请问demand与require有何区别谢谢 Require 1% of quote volume for FAI.是不是报价要包括首次尺寸检验的费用?可是1% quote require sb.of sth.与require sth.of sb.的区别 such as+两个以上,for example+句子,有没有可以后面只跟一个单词的?我是穷人like后面可以跟多个例子吗？ 是such as前加逗号,而for example 相反吗 Shine A Light such as后可不可以只加一个例子 for example可不可以不加逗号 such as和for example前面加不加逗号it has a population of around 23000000可以换成it has a population around 23000000吗? i want to go back to you 什么英语书里面有 Would/Will you marry me 或者什么电影里面会有? I want you back 什么意思I want you back Want you back in to my life I found a way to let you leave I never really had it coming I can't be in the sight of you I want you to stay away from my heart would you marry me?yes,i WOULD YOU BE WITH ME和MARRY是什么意思 英语翻译谢谢我要的不是 都市2046 for example 和such as有怎样的区别?举例子说明? for example 和such as,哪一个后面只能举一个例子? 谁有一篇写雷锋的英语作文 主题为：My favourite hero包括 生平简介 工作 爱好 等等 个人信息 such as,for example 哪个后面加,后,才加例子 It stays----in the evenings until about seven o'clock A.lighted B.lit C.lighting D.light The library ______ until seven o'clock in the evening .A stays open B stays opening C keeps open the library ___ until seven o’clock in the evening .A srays open B stays opening Ckeeps opening D keeps opened 谁有hannah montana的This boy that girl的MP3地址啊! date value date php中如何将string类型转换为date类型插入到数据库中的date类型字段中,incorrect date value啥意思?mysql,在表单的文本框输日期,插入到数据库时显示incorrect date value payment value effective payment date 这个是网申中遇到的问题，这个是指开始可以支付的日期还是指截止日期？ When you put up then delete the photos,it means that you have deleted our love was..我要翻译成中文 你能嫁给我吗Would you marry me?