浓氨水和生石灰制氨气装置

某次数学竞赛题共二十道评分标准是每周对一题得5分,每做错或不做一题扣一分.小华的了64分.小华做对了几题? sky和skirt的发音相同吗? skirt 音标：[skə:t]为什么读斯各特,而我拼出来却是斯课特呢, They also broght to English many words begin with 'sk' such as sky, skirt.中的to English 是什么成分 一般要表达我什么都不知道时不是应该用 I know nothing么?那么I don't know nothing是表达什么样的意思? when I was a little child,I used to waitfor my parents( )back home from workDon t worry ,there s ---- time to get there.A.a plently of B.plently of C.lot of D.little He seems to know nothing about it.（改为同义句）____ _____ that he knows nothing about it.70年前有人预言说没有人能够听见演员说话.Some ____ no one was able to hear actors ____ 70 years ago. know nothing dreseer,the,on,book.math,is,my.连词成句. 最完美的的东西指哪个成语 sky的同类词 急~~~~ Don't____to know something if you know nothing about it. （ ）（我们）don't know about it I really don’t know ______ about it.A.what to do B.how to do .应该选哪个 直接引语变为间接引语She asked:'will she take part in the competiton?' 连词成句of,the,four,times,eighty——five,percent,watch,students,TV,week,a Doesn't Really Matter的中文翻译歌词 他们来不来没关系 it doesn't matter 翻译 The new dictionaries are very useful.They ____well and ____already.A sell; have been sold out B.sold; had sold outC.sell,sell out D are sold; have been sold out要百分百准确的哦,求详解, comeputers are very useful in our lives,()they?A isn't B wasn't C doesn't D aren't And they are very c____ , too. Instead of b_ exhausted during the party you will enjoy it m_ and get to talk to people and When it's party time,you will enjoy it instead of having to w_ if every thing is done,because they will help you He asked,"When did you leave Beijing?"如何变为间接引语? 直接引语变间接引语 She asked Jim,“When do you go to join in the game?” 英语翻译中英文对照的 英语翻译要翻译成中文的谢谢 谁能提供shoud it matter 歌词翻译挪威歌手Sissel,这个总是低调经营着自己的美丽女人,每一次的出击都会让那些热恋中的人们欢呼. 天籁的嗓音,神秘的北欧气质,唯美的旋律,炽热并浓挚地唱着关 来往北京的火车八点十五分发车.用英文翻译 What colours are they?They are brown.这句话那个地方错了? 根据图片写句子 What are they doing -- They are ___ ___games 怎样繁殖三角梅