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求高手翻译一下这句话是什么意思:hAvE A ClosE lo...

【短文一】 你好,大卫: 这是多么好的一个主意!我真的很喜欢Steen小姐。她为我提高英语水平帮了很大忙。我很难过她要走了,所以这个聚会是跟她说“谢谢和再见”的最好方式。我可以帮忙买些食物和饮料。我还可以把Steen小姐带到聚会现场来。对于怎...

由对数函数的性质可知,原方程的解x应满足 (x-ak) 2 = x 2 - a 2 ,(1) x-ak>0,(2) x 2 - a 2 >0.(3) 当(1),(2)同时成立时,(3)显然成立,因此只需解 (x-ak) 2 = x 2 - a 2 ,(1) x-ak>0,(2) 由(1)得2kx=a(1+k 2 )(4)当k=0...

(1)∵函数 f(x)=lo g a 1-mx x-1 (a>0,a≠1) 的图象关于原点对称∴函数为奇函数,满足f(-x)+f(x)=0,即 lo g a 1+mx -x-1 + lo g a 1-mx x-1 =0对定义域内任意x都成立,即 lo g a ( 1+mx -x-1 ? 1-mx x-1 ) =log a 1, 1- m 2 x 2 1- x 2 ...

America is a mobile society. Friendships between Americans can be close and real, yet disappear soon if situations change. Neither side feels hurt by this. Both may exchange Christmas greetings for a year or two, perhaps a few ...

1. How time flyies!!!, It is really fast that we are approaching the end of this special year. 2. Everybody sitting here today has experienced a lot during the year. We go through the Entrance Exam of High School, and yesterday...

奥丁的琴不错,我买了一把,还介绍同事买了一把。不过我们买的是4118的,听说4128会比4118好很多,没用过不知道,哈。不过4118很不错。推荐~~

(l)∵q(x)=loga|x|(a>l,且a≠l),∴|x|>l,∴x≠l,∴q(x)的定义域为(-∞,l)∪(l,+∞)(他)证明:∵q(x)的定义域为(-∞,-l∪(l+∞).关于原点对称,又q(-x)=loga|-x|=loga|x|=q(x),∴q(x)为偶函数.(左)当a>l时,q(x)>l...

(1)由题意可得:方程x 2 -2x+2=0的两个根为1±i(3分)又因为 Imz<0,所以z=1-i(4分)(2)由 lo g 2 |z-ai| a 2 +1 ≤ 1 2 得: |z-ai| a 2 +1 ≤ 2 ,(6分)因为z=1-i,所以可得:1+(a+1) 2 ≤2(a 2 +1),(9分)整理可得:a 2 -2a≥0,...

Wery life has its actual kanks,"Wery"可能是weary吧,kanks,可能是汉语坎坷的拼音缩写吧,试翻译如下:厌倦的生活实在是坎坷的,有些想法必须让你充分了解,我想在我们的感情上做些尝试,这么说吧,我想当你悲伤时,你可向我倾诉,years,当是...

英文名称:《I Gotta Feeling》 歌曲原唱 Black Eyed Peas 所属专辑 《The E.N.D.》 折叠英文歌词 I gotta a feeling that tonight's gonna be a good night That tonight's gonna be a good night That tonight's gonna be a good good night (...

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