煤气的成分

英语里little,few.等同类词和词组里哪些是修饰可数的,哪些修饰不可数名语? a few few a little little等词 用法 a few few a little littlea lot a lot of manymuch none enough所有词用法 a little a few much等词作副词修饰形容词比较级时怎么用?什么a few more much more什么的我都不理解 a little a few后能接形容词哇? 英语翻译这句话是这样的；I am busy now.I;ll send you an e-mail—— ——。（共要填两个单词） I want to send it today.翻译英语 send a mail to sb.by a computer ang the Internet 翻译 我不知道怎么发电子邮件.(how to send)翻译成英语 many much little a little few a few more fewer less enough的区别每一个注明最主要的用法,并附例句. 旧的英语单词 “旧”用英语单词怎么写?今年的开心暑假里有1题看图写意思,其中有1题是新—旧,新是new, 外研版七下英语单词 急求8上英语单词,能写几单元写几单元!写一个单元追加2分 翻译Don't try to hard,the best things come when you least expect them to 大学英语四级怎样过 英语翻译朋友给我发的一段话~ 请帮我把这个翻译一下 Don't try so hard,the best things come when you least expect them to.I love an more和 most ,less的区别 以半元音结尾的单词复数怎么发音 Don‘t try so hard,the best things come when you least expect them to. 请问2011年进消防需要四级英语证书吗 用more,fewer,less完成句子1.Will there be[ ]cars in the future?No.Most people will take buses or ride bikes to work.2.I think there will be[ ]wild aninals,but more zoos.3.There will be [ ] paper books in the future .People will raed articles on c I began to learn English （three years ago） 对括号内的内容提问. 元音字母中组成/ei/ /i;/ /ai/ /eu/ /i/ /ju;/ e/它们的相应字母是什么 I began (to learn English) three years ago.如何对（）部分提问? o发倒eu的英语单词 We began to learn English three years ago.(改同义句)We __ __ English ___ three years I began to learn English three years ago.是什么时态 linux中cat和more的区别 Linux系统中more和less命令有什么区别?本人感激不尽 linux cat >> 命令cat file1 >> file2顺便问一个ssh 主机名 cat file1 >> file2 i am always interested in making things.when i was a child i used to enjoymaking things out of clay这句怎么翻译下才好呢,