中国苏30战斗机数量

怎样背英语词典,请教我有效的方法 英语好的看一下!no 是不是等于not a/an 和 not any?not any 后是不是加名词复数?My friends think this isn't cool.的否定回答?There is no car here.There are no cars here.有无错误?区别呢? 经济监督是民间审计本身所固有的和必需的职能.这句话哪里错了? 举例说明安全审计机制的主要功能 高一物理求指导!谢! Everywhere there is suspense 我希望近期内知道这句的意思? I hope I will see you soon .(同义句） Can you look at the map?（同义句） I hope I will see you soon .(同义句） I ______ ________ ________ you see soon.Can you look at the map?（同义句） Can you ______ _____ _______ ____ the map? My father is good at cooking.(写出同义句） My father _____ ________ _______ cooking. My father is cooking是什么意思 成语"画龙点睛"出自何处?讲述了一个什么故事? c_ _ _ _ _s 空格处填什么英文字母可以组成一个英文名 某小苏打中混有少量碳酸钙.为了测定样品中碳酸氢钠的质量分数,取2.0g样品加热到质量不在减小时,共收集到二氧化碳0.44g.求该样品中碳酸氢钠的分数. 某碳酸钠样品中混有少量的碳酸氢钠.则（1）称取mg样品,充分加热红冷却再称量固体为ng,则样品中碳酸钠的质量分数是?（2）称取19g样品,加入适量盐酸,当消耗10.95g是恰好完全反应,将反应后的 英语哪些字母以o结尾复数却不是加es的? 英语好的看一下是! My uncle now teaches French in a famous domestic university, who _____ in Paris for 6 years.A. have lived B. lived C. was living D. had lived求答案和讲解 my aunt（ ）in hainan now A.lived B.lives Paris is in French.有什么错误? 急需一篇关于Olympic spirit的演讲稿,大约3,4分钟最好是原创,多一些排比句 perception on the Olympic Spirit的一分钟演讲 什么是奥运精神?（spirit）谁帮我翻译? what do you mean there are only ten tickets ther _ be twelve Ashould Bwould Cwill Dshall What do you mean,there are only ten tickets?There be twelve.A.should B.What do you mean,there are only ten tickets?There be twelve.A.should B.would C.will D.shall为什么选A 不选D “Courage is not the absence of fear,but rather the judgmengt that something else is more important Courage is fear that has said its prayers.谁帮忙分析下句子结构. 吸烟等于吸毒属于慢性自杀吗? Sy dney 2000 :The Sydney Games were a show of the Australian spirit,in music and words中文翻译 I have stayed at my aunt's since two weeks.同义句是什么 一年当中,北半球的月平均最高气温出现在 What is the slogan of Beijing 2008 Olympic Games? 2012英语六级报考条件?毕业了，还能考么？ 大学英语六级报考条件本人大学毕业已经四年.现在想考英语六级,不知道能否报名参加.在校期间过了四级,后来考过六级,但没有过.