老当益壮的意思

爱惜粮食的格言 英语翻译Abstract-Withing system analysis method and the game theory,the stackelberg model with three levels was established based tothe goal and benefits distributing among the government,constructor and the vehicles owners in process of freeway Based on number of beams being produced Referenc翻译成中文 when we speak to people ,we should be __A.as polite as possible B,as politely as possible 应选哪...when we speak to people ,we should be __A.as polite as possible B,as politely as possible 应选哪个?并解释为什么 I don't doubt ___ he can do a good joba.whether b.that c.why为何选B?,其他选项错在哪? when we speak to people ,we should be __A,as polite as possible B,as polite as possiblely应选哪...when we speak to people ,we should be __A,as polite as possible B,as polite as possiblely应选哪个?并解释为什么 we should be very polite when we c____ people we need____the way we speak when talking to different peoplechange,怎么辨别是need do sth 还是need to do sth we don't doubt that he can do a good job.当__ __ __ __ __he can do a good job.该填哪五个词 在这题中：I'm sure you will do a __than we because you do things __. A very good job, more carefull 中国国歌的由来简述 关于中国国歌的来历geming 我国的国歌是怎样诞生的? matlab中为什么这条语句： y=1./(1+25*x.^2) 中必须要加点（即英文状态下的句号）?matlab中用三次多项式拟合这个方程：y=1/(1+25*x^2),代码如下：x=-1:0.01:1 y=1./(1+25*x.^2) p1=polyfit(x,y,3) y1 We should help people when they are( )danger A.on B.in C.with D.of People must be encouraged in their efforts and they should pride themselves on saving 国旗,国歌是怎么形成的苏轼越多越好 spend与cost take 的区别~我记得貌似是spend＋时间 take ＋钱数 貌似记错了、 spend与cost、take 的区别是什么呢?一个句子 It _____him 250 yuan是填哪一个呢? 国旗和国歌是怎样产生的? cost take spend 等词的区别 take spend cost 英文句号后是应该空一格还是空两格? 请问英文句号后是应该空一格还是空两格? The people are waiting _____ the bus,and they ate standing_____ line. People___(stand)in line.They___(hurry) home. 当“花费金钱”讲时,cost 和take 的用法区别我知道take 的用法一般是it作形式主语,后面跟不定式.cost一般指sth cost sb some money.还有其他区别吗? spend,pay,cost,take当花费讲时,他们的结构? 我国国歌的由来 国歌的由来 国歌的由来简介 一个英语句子怎么判断成分完整 物体光亮而透明,是什么词语