14环己二醇有无旋光性

将They didn't ask for any ay ,they all did it for free连成一个句子 they didn't pay any attention. 同意句 急! they didn't pay any attention 改成过去完成时怎么改 she is he sister错在哪 She asked me,"Why is your sister crying"?=She asked me__________ _____ _______ _______ ________ 英语句子she`s asked to be left alone but the press kept pestering her.请问 be left alone是在用被动吗?假设是的话 句子感觉怪怪的啊! you know i won·t give up take my hand的意思是什么? You are everything to me,and I was so blessed when god sent you here for me you are everything to me.and i was so blesed when god sent you here forme I was so blessed when god sent you here for me. 英语：My friend s name is{ }后面填上什么{ } is a { }分别填上什么 { } first name is{ } 添什么 { } last name is { }填上什么 帮忙配个情侣的个性签名：I was so blessed when god sent you here for me 字数意思相对应 黄河的现代诗 短的 Linda is a ( ) of the manager.括号里应填什么?（恰当的词） The _____(England) manager is kind to his workers(用括号内的单词的正确形式填空）还是急! Do you know what's his name?有误吗请问该宾语从句的主语是什么？ 谁有龙源期刊网账号!求一篇文章! 谁有龙源期刊网账号啊!求一篇文章!只有7分了!《哈克贝利·费恩历险记》中黑人英语的语言特点还有个 续（1）也麻烦了 为了监视百官和镇压百姓明朝设计了什么机构? 优雅的花名我想收集几个优雅点的花名,好看的花也行,如茉莉,紫藤等等.请注明它们开的季节,好的话有加分. 什么花是幽香的 什么花最优雅 翻译：and they had to practice the piano and the violin for hours every day 0.5W的喇叭一般多大?如果15mm的声音能多大啊?希望有经验者给提供一下答案 0.5W、8R和0.5W、25R的扬声器哪一个声音大?有什么区别?急用 我有一个25欧0.5W的喇叭接MP3声音太小了,如何放大 tommy is going to be a ___He is going to practice basketeball every day 横线处应填什么? 圣灵的作用是什么? He is so rich that he() workA.didn't have toB.doesn't have toC.mustD.has to 明朝采取什么措施来监视人们的言行 明朝有哪些厂卫厂卫的作用 that is so