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格列佛游记简介300字要300字左右 东北三省2011的数学建模D题思路 13997量车该怎么处理啊 2011年东北三省数学建模联赛报名时间及方式 请问 英语中的情态助动词和情态动词具体怎么区分?有哪些相同点和不同点? 以大学如何提高心理素质为题的英语作文关键词：包容contain 心理素质inside quality 树立信心build confidence 勇于面对困难be brave to face difficulty,麻烦多写几篇……谢了 英语作文,大学怎样过得精彩 当X＞1时‘求Y＝（2X平方-2X+1）／（X－1）的最小值! 关于重要不等式的数学题!1 x>0,求证4+2x+3/x的最小值是4+2倍根号62.求函数y=(x+4)(x+3)/x+2(x>0)的最小值.3.求函数y=x+1/x-1(x>1)的最小值sorry...第三题有歧义应该是Y=X+(1/X-1) 某企业现有甲乙两组工人,已知乙组的人数是甲组人的2倍两组分别生产同—种产品甲组工人每人每天比乙组工人每人每天多生产2个,甲组工人每天生产50个乙组工人每天生产60个.1.求甲乙两组 数学题不等式的一些题, the dress fits me so well,it's too expensive,I don't want to buy it and 和 but The dress fits me well,（ ）I don't want to buy it ……The dress fits me well,（ ）I don't want to buy it because it is too expensive.从中文角度分析,and 和 but均可以呀,为什么只能选 and呢? I don’t want to buy the dress because it _____me. 已知二次函数f(x)=x²+ax+4在(-∞,1)上是减函数,则实数a的取值范围是 I want to buy that kind of cloth because i _____ the cloth _____ well.A.have told;washedB.have been told;washedC.was told;washedD.have been told; is washed If you don't want to stay here with him,________.A.neither shall I B.neither do I选A为什么B不行啊? 你们想开晚会吗?用英语填空 Do you want to___ ___ ___? 求高尔基有趣段落和句子,要有页码,,假期就要结束了 童年中描写人物性格的段落 临江仙-夜归临皋 苏轼 的写作背景 苏轼的 《临江仙-夜归临皋》作者因何而醉? 苏轼《临江仙.夜归临皋》与《定风波.莫听穿林打叶声》的异同. “临江仙 夜归临皋”中哪个诗句反应了诗人对待人生平和而超然的心态? 关于中国人坚强不屈的故事, John dosen't like football but he likes music very much A so do I B Neither do I C so it is with meD so will I 面对困难坚强不屈的人物故事 ( B ) A:What would you like playing,volleyball or basketball?B:Neither.I like football.A:I l( B )A:What would you like playing,volleyball or basketball?B:Neither.I like football.A:I like playing football,too.Let's go to play football sometime,shall w ---I like football.---____my sister and me.A.So do B.So are C.So did D.So it is with个人觉得应该选A,毕竟前面只有一种情况,但考虑到选项后面有宾格me,又不确定是否要选D. i like football.i do not like volleyball A so do i B neither do i C so it is with me D so is it with me 下图等腰三角形一腰上的中线将这个等腰三角形长分成15和16两部分,求这个等腰三角形的腰和底边长! 一定要回答.急.锐角三角形ABC中,∠A=50°,AC,BC两边的垂直平分线（不是角平分线）交与O,则∠BOC=_____. 英语翻译Usher的歌