七上社会作业本答案

英语翻译THE BOY IS DRAWING PICTURES AND THE GIRL IS READING A BOOK.(翻译) 火山灰硅酸盐水泥为什么简称PP为什么呢?这个P是哪个单词 其他的PO PS PF PC都能理解 烃和卤代烃 上海公交移动电视音乐欣赏的一首英文歌,名字是什么背景里有土著人高潮部分好像是i will always love you男的唱的, everyone,every one,each有什么区别? everyone、every one和each有什么不同和相同之处?简短说明 Everyone 和 Every one 有什么区别还有什么everybody everyday. You can't take the book out of the library.改为祈使句 Excuse me,can I take this m________ out of the library?Sorry,you can't.横线上填什么? you can not take the books out of the library.(同义句转换)急,在线等--------,-------,the books out of the library You must not take the books out of the library.帮我改成被动语态.. you mustn't take the maganzines out of the library.保持句意不变_ _ the maganzines out of the librar 是不是除烃其他有机物都含氧 有abcd四种有机物,已知:ab为烃,cd为含氧衍生物.(1)1mola完全燃烧生成2,mol二氧化.(1)1mol a完全燃烧生成2,mol二氧化和2mol水（2）在标准状况下2.24L b恰好与32g溴完全反应，经测定产物分子中每个碳原 Not only the story is interesting to us but also the English is good for us 怎么不倒装啊e 我想知道的是 not only放句首为什么没有倒装···· is__good at maths,___interested in English as well.A.both:and B.not only:but alsoC.neither;nor D.either;or为什么选D 请问还有的电机只有3个接线柱是为什么? 九个接线柱的电动机是怎么回事 我的电机是60V直流的 4个接线柱怎样接正倒开关 开关上有9个接线柱 你对中国了解多少?how much do you know about China?（为什么要用hou much问,而不是hou many） 硫酸铜变铜的方程式 硫酸铜和氢氧化钡方程式 Father's,American,new,the,car,corner,the,is,street,black,at,Tom's 连词成句急,希望在给答案同时说一下这样写的原因.写原因的我追加分 ________ car is new.A Mike's father B Mike's father's C Mike father's D Mike father 什么是有机硫化物? 1.6克硫和6.4克铜反应能得到8.0克纯净硫化物么? 阅读理解many young people in china know about celine dionMany young people in China know about Celine Dion 席琳·迪翁the famous French Canadian pop singer.She sang the song “ My heart will go on” for the movie Tita 什么是活性硫化物和非活性硫化物. 9.He ___________much about Chinese.(not know) 动词过去式!10.She’ll go to see her grandmother if it _____________( not rain). 硫化物是什么物质 Tom studies science very hard.(改为一般疑问句)_____Tom______science very hard?I am late for school because my bike is broken .(就画线部分提问)(because my bike is broken画线)______ ______you late for school?讲明原因,请说清楚这 改错 1.How did you came here?2.He doesn‘t are English.3.Tom shoes are very beautiful.4.Did you washed your clothes by yourself.5.How many day are these in a week?