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1+11+111+.+11111.111(最后一项2009个1）的和之中,数字1共出现了（ ）次为什么？ 1+11+111+...+111..111(最后一项2009个1)的和之中,数字1共出现了几次? 在1+11+111+.+111.111（最后一项2009个1）的和中,数字1共出现了几次A.224 B.225 C.1004 D.1005SOS 如何做六级听力? SAT语法,The opposing opinions expressed (were that the school should be torn down and,on the other hand,to keep it) as a historical landmark.正确答案改成 were that the school should be torn down and that it should be kept 这里用两个that SAT语法 In 1961 Rita Moreno gained fame and won an Academy Award （for her portraying ）Anita in the film adaptation of the groundbreaking Broadway musical West Side Story.No error括弧里的为什么错了呀?for 在这里面是个什么成分 SAT 语法题 themes of family and history figure prominently in Martin Espada's poetry;one poem tells of the journey of a father and son to puetro rico to search for their ancestor's grave.请问 这里的figure 如果是的话不应该是figured的 SAT语法求解,谢.First run in 1867 and still taking place every summer,the Belmont Stakes,a horserace for thoroughbred three-year-olds,【was】 one of the oldest races in the UnitedStates.(A) was(B) is(C) were(D) are(E) has been选哪一个选项 一道SAT语法题!（if every one would have contributed),we might have raised enough money to save the old landmark from developers.我选的是：if there was a contribution from everyone.正确答案是个不顺嘴的：Had everyone contributed. please leave the windows and door( ) A open B opened C opening I heard a car door to open and close为什么有to 请说细一些 y + 2/3x + 4 = 0 5y - 2x + 4 = 0 用二元一次方程解~ 翻译下面的一段话(中文翻英文)每天放学做完我的功课后,我都练吉他.我喜欢在课娱时间练吉他.因为我想提高我的水平. 英语翻译请注明出版社,出版年份. 同义句：Do you often get a letter from your pal ? Do you often _______ _________your pal? Do you often ----- ----(写信吗)?No,I often --- ---- 发e--mail 请问：非在校人员或社会人员可以报考六级吗现在是2011年,六级有时是进一些单位的条件,有办法考吗? 父亲姓王,母亲姓秦,麻烦大家给一个姓王的男孩起个好听的名字吧,要两个字的.最好是大气点的,容易让人记住的,谢谢了.两个字的,三个字的名字都行 初三英语 谢谢解答 神龙海淀英语测试卷答案小学五年级下 谁有五年级下册科教版数学黄冈·海淀《百分金卷》的答案?（替别人找的）无奈······ 金鹰英语怎么说 45用英文怎么写 45%的英文单词怎么写 初中生看什么样的书可以有利于作文写作 请大家推荐几本对初中生写作比较有帮助的书（作文书除外） 用“孔夫子搬家——净是输（书）”造句 孔夫子搬家—————尽是书（ ） 孔夫子搬家——尽是书（输） 是什么意思? 用孔夫子搬家--尽是输（书）造句 “孔夫子搬家—尽是输（书）”运用了汉字什么的特点 司马徽为什么说诸葛亮虽得其主,不得其时呢?刘备在三顾茅庐后请得诸葛亮出山,途中遇到司马徽感叹到：“孔明虽得其主,不得其时,惜哉惜哉!司马徽为什么有这样的感叹?又为什么说诸葛亮不