AL和所有的金属氧化物都能发生铝热反应吗

the first floor究竟是指一楼还是二楼? first floor、second floor……几层几层前面用介词at 还是in? ground floor是英语的一层的话,first floor是二层吗?如果是的话,这种称法的来历是?英国人不觉得这样麻烦吗... I live on the first floor and they are second想说"我住一楼 他们住2楼" 说法对吗 put off to do on the first floor 中为什么要用“first”序数词呢 put sb off doing sth什么意思? put off.doing sth.造句 put one's mind to接doing 还是do.RT. set off doing还是set off to do Look at ( ) picture .A:one ,B :the one ,C:first ,D:the first . 动词加off的短语 求歌词：first look 意思 求关于一些英语单词的动词加介词短语如put up,put away等有take的短语,put的,pick的…动词加总之有很多,要全一点的,这些短语的意思我希望能总结一下,乘考试还没到之际了,一直困扰我好久了,我 为什么说English plays a role as a second or a first而不是the second or the first 我们学过动词短语和词语搭配比如put on\put off等,下面我们试着列出来（以下为举例） deal with ,do with 表“处理”时有无被动i think the problem should be________ quickly.dealt with 请问为什么不填done with 照我的理解do with 可以跟宾语,应该有被动才对啊 deal 和deal with 有什么不同?（用法上和意思上）最好有举例thank you very much! deal with ,do with 表“处理”时有无被动i think the problem should be________ quickly.dealt with 请问为什么不填done with 照我的理解do with 可以跟宾语,应该有被动才对啊 所有跟throw、come、put有关的短语,越全越好 put down,put up,put away有什么区别?再列举一些常用的“put+ 介词”的短语, 与come,put,take,send有关的词组 雪莱的名人名言 雪莱名言语气亲和、态度友好 In the window there were trays of nuts and bolts,worn-out chisels,penknives with broken blades,tarnished watches that did not even pretend to be in going order,and other miscellaneous rubbish. There is a plant ______the plate There is a window on the wall哪里错了 There's a window on the table.改错 ( )there is an air conditioner _ the windowA.in B.at C.between D.above( )-We will have a school trip next week.-That sounds _.I'm sure we will have a good time there.A.well B.badly C.bad D.good( )Thursday is the _ day of a week.A.fifth B.fourth C.for Contact是什么意思? contact是什么意思啊? contact什么意思