某有机化合物对氢的相对密度为29，燃烧该种物质2.9g，生成3.36L(标准状态下)二氧化碳气体

i like the girl very much in beijing last yesterday 为什么like不加ed I ask a girl who graduated last year ___(how,.what.,when,.that)the dancewould be like another解释为另一个,那么another two hours为什么正确,这怎么解释?不是只能单数吗? I must do my homework for another two hours.(同义句转换 )I must do my homework for（ ） （ ） （ ）在括号里填,一个空一个词~ 英语翻译类似巧格福喜这样的踏板摩托 翻译成英文 叫 改装踏板摩托车 该怎么翻译?Modified pedal motorcycle Refitting pedal bikes Refitting pedal locomotive 这三个哪个对?哪个是在国外常用的?或者改装踏板 what做名词从句If you care about what others think of you,then you will always be their slave.请教一下大家这个里面的what做何解就others think of you该部分是完整的不缺什么成分,而名词从句中what是要做一定成分 应变能力除了对于生存、事业、交往很重要以外,还对哪些方面很重要呢因功课需要,请尽快回答! school is over.the students leave the school one after----- a.another b.other c.others d.the others 什么是名词性关系从句?它和主语从句有何不同? 一个名词性关系从句的问题What worried the doctors most was how they couldn't find the cause of the disease.为什么用how 什么是名词性关系从句!详细解释下 如何区分名词性从句中特殊疑问词与名词性关系从句中的what when where 什么是"非限制性关系从句"和"制性关系从句" 美女的同义词可以是现代的词语也可以是古代的文言文 君子是形容男子 那么同义词 形容女子是什么? 熠熠生辉的同义词,形容人光辉的. she is runing on the playground.纠错 感恩老师的一段话 she is runing in the park改错 感谢老师的一段话,长一些,至少五六排 怎么给老师说说关心学习感谢话 怎样判别从句是形容词从句还是名词从句,特别是当连接代词被省略以后请问 You didn't ask her what present she would like for her birthday.这个句子到底是宾语从句还是形容词从句?还有,当连接代词被省 I hear___here next week.A.he'll come B.him come C.him coming D.him to come 关于疑问代词引导名词从句的一点问题Can you tell me whose is the blue shirt on the bed?这句话对吗?从句是不是应该是肯定句的形式,应该这么说吧Can you tell me whose blue shirt on the bed? The girls _____ here next week.A are coming B are going to come.选择,说明原因. 关系代词性连接词引导名词从句 麻烦详解 He______(work) here next week. would you like to join the school volunteer project?yes,but i'm not sure------A What i should doB How i should do Would you like to join the badminton club?(回答）Sure.I'd开头 模范的同义词 what is he like? How is he like?还有how does he loowhat is he like?How is he like?还有how does he look like 几句话有什么区别? sit here quietly and listen music 哪个错了 并改正过来