so2具有氧化性

clean up ,clean off ,clean away有什么区别啊?都是清扫,整理? 为什么sit后有时候加down有时候加on Sit down on this chair.改为否定句 我要关于艺术的好词,好句,好段,各十个! I am afraid I must be going与I am afraid I must go的区别 Can you clean it up的意思是什么 两个句子比较的语法问题》》》It's being repaired……与It's repaired……的区别是什么?谢 识读下图,回答问题（初一下册历史第一单元）回答假如你是隋朝时期的富豪和A地B地的古今名称 We are having a wonderful life and Mum feels naturally part of it.请问这里为什么用feel?...这句话应该怎么翻译?. 1、I recognized her (the moment) I saw her.2、(Determined) PS:这里为什么不能用Having determined?) to complete the job on time,they set out to work immediately.3、Don't trust such people (as) PS:为什么不能是用作同位语从句的tha 一个句子的疑问----高中英语Punishments for prisoners include loss of privileges and,more controversially,the stopping of visits.这个句子当中为什么用的是副词controversially,而不用形容词,难道不是修饰后面的动名 描写画,音乐,戏,艺术方面的词不要六年级书上有的（人民教育出版社） 男生唱的don't you need是哪首英文歌的歌词?我那天哪p3听音乐,无意中听到这首歌,但是p3木有显示,就不知道叫什么- - 结果还让我给弄没了.我很纠结 隐约记得歌词貌似是 don't you need Oh my baby 我英 那一次我懂了－－－－－－－－－ he read book is fast 和he fast is reading有什么不一样 He is ____(read的正确形式) a book.空该怎么填?速度哦 谢谢回答reading 是什么意思啊 谢谢 He is read a book里的特殊疑问句怎样写 求一份土木英文翻译 To be an office lady Worket 什末意思 写张国荣精神的作文题目 谁能解说下主语＋双宾动词＋双宾的完整句子?例如：He gave me some books.I teach John French.哪个是双宾啊?me some book?john french?拆开来怎么拆啊?me 和some book? be used to doing.used to be 就是关于use的那几个用法,我被弄晕了 谁能给一篇作文题目是《小议“先天下之忧而忧”》要短的,不要太长. 2012,你的心愿是什么?这是作文题目.题材是：如果世界末日要来了,你会对地球做些什么?要500字以上,求怎样写?还有怎样开头和结尾?中间写什么? 18.When she was very young marie cuele showed great i__in science. Edison showed great i_____ in science when he was a little boy.横线上填什么? he showed great in----in science he showed great _____ (interesting)in English when he was young 安康最近几年小考的作文题目是什么?帮忙分析一下2011年小考作文可能是什么, My mother is a office worker哪里错了 my father is a doctor.my mother is a teacher.判断 hisparents are not office work (T or F