SAT改进文章题(1) This summer I felt as if I were listening in on the Middle Ages with a hidden microphone.(2) No,there were no microphones in those days.(3) But there were letters,and sometimes these letters speak to me like voice from very long

SAT改进文章题(1) This summer I felt as if I were listening in on the Middle Ages with a hidden microphone.(2) No,there were no microphones in those days.(3) But there were letters,and sometimes these letters speak to me like voice from very long sat句子改进 sat句子改进 【做过SAT历年真题或OG的进】SAT改进文章题找题：在某一年的真题或OG题里面,35道题的语法section,improving passage题大意讲的是一对打网球的非裔双胞胎姐妹在争夺一次比赛的冠军.——我以前做 sat句子改进 有必要加occur这个词么 sat句子改进有必要加occur这个词么 求教sat牛人一道语法题~感激不尽!2010年10月section5第三十八题 段落改进题这是要考的那一段：In 2006 organic food sales in United States alone reached $17 billion.This figure is rather surprising when you consider that or 求SAT精读文章方法 SAT阅读文章选自哪里? how much is this sum?kuai 有关sum的数学程序题开始 ↓ i=0 ↓ sum=0 ↓ → i≤64→否-------|| ↓是 || sum=sum+i |--i=i+1 | --------------| ↓ 输出sum ↓ 结束 sat句子改进 with each of doing这是什么结构 sat句子改进with each of doing这是什么结构 如何解释 求问一个幂级数展开的问题要证Sum((a_n x^n)/(1-x)) = Sum(a_0 + a_1 + ...+ a_n) x^n就下图的题我的证明是：(a_n)/(1-x) = Sum(a_n x^n) 再带进去变成 Sum(Sum(a_n x^n) x^n) => Sum(a_0 + a_1 + ...+ a_n) x^2n结果算出来跟 SAT阅读：怎么得到文章的结构? SAT阅读：怎么得到文章的结构? 谁知道SAT阅读文章的来源? 如何应对SAT长篇阅读文章 c语言编程题.Max SumDescriptionGiven a sequence a[1],a[2],a[3].a[n],your job is to calculate the max sum of a sub-sequence.For example,given (6,-1,5,4,-7),the max sum in this sequence is 6 + (-1) + 5 + 4 = 14.InputThe first line of the input cont SAT一道组合概率题求解答There are five cards marked 1,2,3,4,5 in a box. If the sum of two cards which are taken from those cards randomly (no replacement) is even. What is the probability that these two cards are both odd?A 1/4 B 3/4 请教一道SAT数学题,为2010年10月section8的16题.要解析题目为The integers 1 through 6 appear on the six faces of a cube,one on each face.If three such cubes are rolled,what is the probability that the sum of the numbers on the top faces