2x+9x=1112解方程

几何证明一题…突然脑袋短路做不出来 英语翻译一种语言中的有些词汇清晰而深刻地记录了社会的变化,在这方面口语流行语的表现尤为突出,口语流行语就像一面镜子,集中反映着特定时代的社会热点、流行趋势、语言风格和大众 The writer finds taking notes important的同义句 the writer finds taking notes is important的同义句 It has ____ different fruits A.much B.any C.no D.many 英语翻译网络语言在人类的生活中也是无所不至,网络文化影响着人们的学习、生活、工作、思维方式、价值观念.本文对网络英语词汇的研究,主要分析它们的类型及其特点,这对于我们更好地 【so as to】关于这个短语一定要用在句首吗?若是可以用在句中,要怎么拆开?举个例子… --------- How do the Americans like to be called?-------- Most of them don't object ________ them by their first names .A .that I call B.for calling C .to my calling D .to call .选哪个?为什么? so as to 有这个词组吗?还有draw the curtains是什么意思?hold me in their power这个词组的原形是什么? How do Americans like to be called?Most of them don't object ______ them by their first names.A.that I call D.for calling C.to calling D.to call这题选哪个 感觉那个都不对啊 应该是 to being called 或者是 to one`s calling 下列短语,把…看做…,短语里的as都可以换成to be吗look on.as,consider...as,regard...as,view...as,think of...as,see...as 怎样让so ,as ,not ,to四个单词组成一个短语? he is very different after school is over after school he is very t___ 有After school is over.=after school 这种说法吗主要是school is over前面能不能加after After school,he is very_______(activity)in playing sports. 为什么有的时候Fe反应是+3价,有的时候是+2比如说有的时候 Fe+2Hcl=Fecl2+H2Fe+H2SO4=FeSO4+H2有的时候是 Fe+6Hcl=Fecl3+3H2速回! 设等差级数的首n项的和是2n + 3n的平方,试求其第r项. 2n=n的平方-3n 怎么解快 古今中外的科学家,音乐家,物理学家等对“时间”的认识 I dislike------me by my first name A.your calling B.you call C.you to call D.calling cousin planned to stay in my home ___A in two daysB for two daysC during two daysD after two days I dislike-----me by my first nameA.your calling B.you call C.you to call D.calling It means "Danger".应该用单引号还是双引号 级数（(-1)^n）/(3n+1) （n从0到无穷）的值?可能要用到幂级数的性质. I miss you too,my confidante 中文意思? Miss.Qi.I will miss you The same to you 求个造句 大气层和太阳比哪个更热? For more than two months,the sun never ______ and there is no light.A.rises B.goes up C.comes upD.goes down 英语翻译Unit.6I went to the plant and spent about a weeklooking around and making notes.I was really amazed at what I saw.Mostcurious of all,there was no quality control whatsoever.No one inspected thefinal products of the factory.As a result som 物价上涨 英语缩写CPI