新闻和感受150字左右

已知函数f(x)=log1/2 [(1/2)^x-1] 求f(x)增减性 英语中state,country,nation 有什么区别? Deputy under Secretary of State for Policy Affairs是什么意思?助理国务卿?还是 with important affairs of stateof state是后置定语? country,land,state,nation 这几个词有什么区别么?给举几个例子.xiexie A state of emptiness是什么意思 nation,country,state三词作国家用时的区别 如图,把△ABC纸片沿DE折叠,当点A落在四边形BCDE内部时,则∠A与∠1、∠2之间有一种数量关系始终保持不变,请试着找一找这个规律.你发现的规律是什么?请说明理由.图没有..不过是初二的配套练 幂函数f(x)=(t^3-t+1)x^1/2(1-4t-t^2) 为偶函数 且在(0,+∞)上为增函数 ,求函数f(x)的解析式 ______the sudden change of weather,we still managed to finish our work according to theoriganal plan.A.even if B.in spite of C.though D.as though To achieve our goals,we must change our habits.As 18-year-old boyTo achieve our goals,we must change our habits.As 18-year-old boy,after signing for the city football team,I quickly realize that my lifestyle wasn't very good.That wouldn't help me ach 请帮写篇英文作文,the change of our city要求：从环境、交通、公园、楼房等写出老天津和新天津的变化.100单词. country, land, nation, state的区别soil,land,earth的区别 英语中,同样翻译为国家,country nation state land soil power之间有什么区别? 发言稿,是作文（竞选背诵小组长） load state什么意思 STATE-SPONSORED是什么意思? State 初一竞选数学组长演讲稿300字左右 请问谁知道竞选数学组长的演讲稿咋写?（550字）的. 竞选数学小组长演讲稿明天就要交了 there are some good important for all of us.怎充译?for all of us Bring in some photos of your own.带一些你自己的照片.这样翻译准确吗?Bring in some photos of your own(or draw some pictures of you and your family of frends) and write about them.bring in 在这里是什么意思，是一个词组吗 英语翻译 buy some presents for your parents（翻译中文） So you do commission some part of your stock怎么翻译啊 (3+1)(3x3+1)(3x3x3x3+1)(3x3x3x3x3x3x3x3+1) claim you destiny 还是claim your destiny 英语翻译Do you intend following naturalisation,to have your usual or principal place of residence in the state? geographical residency 和state residence分别什么意思? 设计一个程序,用来求下面代数式的值：4*3+4*3²+4*3³+…+4*3的n次方