Thereporterpressedthewomanansweringhisquestions

下列计量经济模型是否合理,为什么?①ln(人均食品需求量)=-2.0-0.5ln(人均收入)-4.5ln(食品价格)+0.8ln(其他商品价格)②ln(人均食品需求量)=-2.0+0.5ln(人均收入)-4.5ln(食品价格)+0.8ln(其他商品价格)③Ct pkpm计算后各比值均满足,如何将模型修改得更合理更经济? fun的ing形式 [急] There is no right or wrong的反意疑问句There is no right or wrong,_______?_______,_____ ___ 请问怎样填写is there还是isn't there要的回答中文是:是的,没有.怎么翻译成英语是Yes还是no?回答是句子部分还是反 Is wrong or right what is right?what is wrong? 为什么在计量经济模型中存在随机误差项? 写校运会运动员的优美句段不要诗 1982年到2014年有多少年了 2014年和1314年差了多少年 play playing plays的区别 The exercise books are so______that I can't carry them.(heavier heavy )选择合适的单词补全句子. 什么时候用play什么时候用plays什么时候用playing Those bags are too heavy.you can't p___ carry all of them. The bag is so heavy that that I can't carry it.The bag is ( ) ( )( )( ) to carry 求英语时态填空题（含答案）包括一般现在时 一般过去时 现在完成时 过去完成时 现在进行时 过去进行时 …… 英语时态填空题三、(用括号中动词的正确时态填空.每小题1分,共10分)1.How popular supersonic travel ________ (become) once Concord is in service?2. She ______ (write) five essays before the end of this term.3. With the developm 根据成语猜地名,好难啊 the e-book readers make it possible for students to throw a___ heavy school bags.怎么填 、Right Is Right,Left is Also Right .翻译中文,要几种不同的中文翻译 The () of "right" is "left"o开头的单词 2010年9月16日到2014年9月16日等于多少年 2014年是12.9运动多少年 Where are the－－－bags?A.women's BWhere are the－－－bags?A.women's B.womens' C.women of D.of women Where are the______(twin)bags? Over there Where are the -------(twin)bags?用所给词的适当形式填空 根据首字母完成句子 】The cat doessn't like zhe(m ),but it like running after it. where are the grammys 2010给翻译下吧.不要用翻译工具翻译.回复我,求英语高手翻译给我. 作文一分耕耘一分收获 最好是议论文500到600左右 以一分耕耘一分收获为内容,写一篇不少于500字作文,要写具体事例,不要名人的. Jack enjoys______football after school.A.plays B.to play C.is playing D.playing 求一分耕耘 一分收获的作文 600字左右