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word2003里的跟号a在哪啊,怎么写数学式子 如何在word2003中加入求偏导的数学式子问下,如何在Word2003中,加入求偏导的数学式子,分子分母的那种?答：直接用“公式编辑器”即可. 读《永远都要坐在前排》有感 作文 1、文章第一段和后文是什么关系?在文中起什么作用?2、文中“泡沫处方”的含义 3、文中“让我看到自己卑贱得灵魂”的一件事是什么?4、文中“我”取得事业上的巨大成功的根本原因是什 积极坐前排的作文怎么写 用所给单词的适当形式填空.This is my hat.( )( she)is on the用所给单词的适当形式填空.This is my hat.( )( she)is on the bed. how i wished i could go to `the movies tonight with you?怎么翻译啊 I can not go to the movies with you tonight .Maybe a _____time.(首字母填空） 为什么这里要用since和as,而不用because?我有两个疑问想请教大家：1、______I didn"t know English,I had to ask someone to be my interpreter.2 、you walk ahead ______ you know the way better .这两题是张道真语法上的题目 为什么不用sinceThe modern history of Italy dates from 1860,the country became united.A.when B.if C.since D.until (英语)这里为什么用since不用till?We have lived here ________ we moved to Shanghai.A.whenB.tillC.sinceD.as我选了B请大人分析 it is since为什么不用完成时就是it is 一段时间+since+过从,为什么be动词是现在时.不是完成时? it is ...since ..为什么不用完成时it is 100 years since Qinghua university was found. My jacket is on the bed（改为否定句) My jacket ( )( )on the bed.The keys are on the tabie.(改为一 the notebook is on the bed改成一般疑问句,否定句,肯否的回答. His watch is on the his bed.变为否定句 why don't you go shopping?的同义句（ ）（ ）go shopping? Why don’t you go shopping logether（改为同义句） At the age of 20 Steveleft his hometown, ( )to return without making his mark.请解释一下,为什么determined not 要用过去分词?多谢了! 把主动语态改成被动态they will send you a bill ai ihe month her decision to retire surprised us her wrong ------(decide) to leave here made us surprised 为什么是her death surprised us all?而不是her death surprised all us? 求Craig David - Rise And Fall的中文翻译! Craig David 的 Rise and Fall 歌词中文翻译 hope u are the one telling me this not you are me 英语写作如何积累词汇?在英语写作中,最大的问题不是句型也不是语法,而是面对一个生疏的话题常常没有合适的词汇来应对,平时学的一些词汇又零零散散.请问应该怎样去积累这些词汇比较 The First Thanksgiving什么意思?是特定词汇吗 The boy is (playing football) on the playground.(对画括号部分提问 they are enjoying themselves改为同意句 They—— —— —— —— ——一个横线一个单词they are enjoying themselves改为同意句They—— —— —— —— ——一个横线一个单词第一个句子什么意思?他们在 这句中would和用wil有什么区别?I would fall apart if you bre这句中would和用wil有什么区别?I would fall apart if you break my heart