已知在平面直角坐标系中，抛物线y=-12x2bxc与x轴相交于点A，B，与y轴相交于点C，直线y=x

Both my father and my mother( )interested when they were young.were are was is 谁有以下英语书的MP3 哪里能下载到EEC英语一年级下册（九年义务教育教科书）的MP3,是黑龙江出版集团.黑龙江少年儿童出版社出版的,教材是2006年12月第一版,2010年12月第五次印刷的.有磁带,可是磁带总卷带,已经卷 音乐,快乐,车,书的英文怎么说? 制作胸卡时“职务”一词如何用英文表达 than不是比较级吗?为什么不用much而是many?Tt was clear that it took them___more hours to go to Beijing by train than by planeA.manyB.fewC.muchD.other 勉强怎么造句?勉强怎么造句? 甚至、勉强造句要长一点的 勉强造句 勉强怎么造句 When the going gets tough,the tough get going 在中文里有对等的谚语吗? when the goings gets tough,the tough get going后面那半句为什么不是 the tough gets going When the going gets tough,the tough get going.为什么一个用gets,一个用get 不都是表示一类人吗?动词应该用复数形式get才对啊? 求这首歌曲She Don't Put It Down求这首歌曲,其中有lil wayne as one put it这里put it w__smile ,she put the letter in it 用“或……” “或……” “或……” “或……"造句 （4个或） I want to __the movie lf Harry Potter.A.look B.watch C.look D.see错了,不是if 是of leave和put用法新概念英语第二册18课中有句话：After I had had lunch at a village pub,I looked for my bag.I had left it on a chair beside the door and now it wasn't there!其中left it 可以用put it leave it where it was是什么从句 我怎么觉得Please put the book where it was这句话这么别扭呢?我觉得应该是Please put the book in where it was,要不put不是不及物动词吗,我觉得就是Please put the book in where it was，where it was作in的介词宾语，wh put the book where it was.where引导的句子是什么从句 it's very difficult ______ english well , but you can't _____-.A.learn ; put it up B. to study ; C.take it up D.study ; give up 写解释 麻烦大家推荐几本励志的书给我 看,英文也可以 用勉强造句.. 勉强怎么造句? 用勉强造句,顽强造句无要造长一些，分别造 翻译一本关于讲道励志的英文书,有机会发表吗? 求歌名,一首英文歌,女的唱的,好像叫什么奇迹的 写成语后面加人名例：草船借箭—诸葛亮 过年是从哪个朝代开始的.有什么历史典故、 关于历史典故在杨家将里面有句:甘罗十二拜相,周瑜十三岁带兵,有典故可寻吗