丙二酸二乙酯合成5—甲基-1，3-环己二酮

成熟而不世故什么意思 填空 what does he look like? he____is the same height and build____速度啊！急急急.......sorry.补充一下what does he look like? he is____ the same height and build____me.是填空 This computer is the same _____ we saw in the other shop.A.like B.as C.that D.as thatThis computer is the same _____ we saw in the other shop.A.like B.as C.that D.as that 为什么选D? 麻烦不定积分好点的数学高手进来帮下忙.∫{(arctanx)^2/(1+x^2)}dx.∫{1/(25+9x^2)}dx. 求下列不定积分, 世故是什么意思? 什么是世故? 什么叫世故?世故是成熟的锐变么?我19岁,有人说我看起来很世故,这是一种成熟还是衰老呢? “世故”是什么意思? 世故的意思是什么?我在百度查了,但都不是的,希望有人给我一个完整的答案 Well,it doesn't ______ like there is nothing good to watch. I like sleeping late on Sunday mornings.There is nothing __(good) than it用比较级还是最高级呢如果用最高级要不要加the 为什么 韩国女子组合的歌 歌词中有tell me who's that girl 连词成句(england):tell,the,me,you,name,that,of,girl,can.急用······ 请高手指教,对出下联.上联为：千年月万年风 清风明风何有价上联为：千年月万年风 清风明风何有价请高手给个下联啊.寓意是有关廉政建设的就好了!拜托了 说是清风夜无月 求下一句 Dogs can help g____ the door and also guide the blind Guide dogs can help owners who are blind or have difficulties with seeing中文意思,谢 ( )的蓝天,（ )的流水,（ )的清风 填空今天之内,回答的赏一百分 there+is+主+ving造句怎么办?there+are+主+ving造句怎么办? 请用there is no way of Ving 造句There is no Ving = There is no way of Ving.= There is no possibility of Ving.= It is impossible to V.= It is out of the question to V.= No one can V.= We cannot V.能分别造个句吗? what is going on?翻译下 Bruce plane traveling like by does连词成句 noting like 是noting，不是nothing！ 想到十几年前家门前,不是由十几年前家门前的紫藤萝引发了作者的回忆. .B错了阻并不可怕,大困难可以化整为零,化难为易,走一步,再走一步,定能战胜一切困难.B．《蝉》用先抑后扬的写法,由 Get off my back,I didn't sleep last night.用法详解 Last night ,Lucy didn't return back my bike 哪错了 1、an前n项和为sn,sn=2n^2+1,求an2、数列{an}满足sn=1+1/4*an,求an 3、数列{an}满足an=3（n=1）且an=a1+a2+…+an-1(n>=2),求通项4、对任意x属于R,f(x)+f(1-x)=1/2,则f(0)+f(1/n)+f(2/n)+...+f[(n-1)/n]+f(1)=_____5、一个首项为 已知｜z｜＝2,求｜z-i｜的最大值.仅限高二知识范围内的解答～别写深奥的东西. That's what I'll see. what's that i see?dirty hands? 英语 he was nothig like so careful now as in the past请问这里的as怎么翻译,它是什么词性是介词还是副词还是其他?