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已知集合A＝｛x|x∧2-2x-3＜0｝B＝｛x|x^2-2mx+m^2-1≥0｝1.当m＝0时,求A∩B .2...已知集合A＝｛x|x∧2-2x-3＜0｝B＝｛x|x^2-2mx+m^2-1≥0｝1.当m＝0时,求A∩B .2.若Ac＝B,求实数m的取值范围. 从人群中任意抽取2个人星座相同的概率是多少? 汉普森英语好吗 火车经过某个省份是不是一定过该省的省会 写出中国的所有省份和省会? 闻名于世是什么意思 闻名于世的于怎么解释? 闻名于世的意思 闻名于世的意思是什么? 闻名于世的世是什么意思?谢谢大家了,很急!~ __experiments on the laboratoy,it started to rain heavily.A,while performing B,performing C,w...__experiments on the laboratoy,it started to rain heavily.A,while performing B,performing C,while i was performing D,to perform 理由是前后主语不 __experiments on the laboratoy,it started to rain heavily.A,while performing B,performing C,while i was performing D,to performABD为什么不对?求详解... 闻名的意思是什么 林俊杰服装品牌SMG是什么意思?为什么要起这个名字呢?有特别含义吗? 闻名的意思或近义词 Jack described his father,who___a brave boy many years ago,as a strong-willed man.A.would be B would have been C must be D must have been.我最想问的是,为什么C run one's life 的意思The responsibility does not mean that I run your life for you.The word "run" is closest in meaning to_______.B.manage or operate.in a particular wayD.become or continue.in a particular way应该选哪个?为什么？选D 不 My favorite album is Jay‘s first one对Jay‘s first one提问 Unlike his father,jack is a rude man.请问unlike his father是什么成分,谢 谁能帮我改下这段词?中国梦,帷幕拉开,我们众志成城,让梦想的光辉照耀历史,共同谱写社会进步新时代；美业梦,帷幕拉开,我们全力以赴,让梦想的光辉照耀现实,共同挺起美业新脊梁；我的梦, 若{an}和{bn}数列是等差数列,s,t为已知实数,求证{san+tbn}也是等差数列． 为什么设立直辖市,直辖市和一般省份有什么区别吗? 直辖市和省有什么区别? I know some invenrions of Edison 为什么 不按照 a friend of mine 的形式 Edison 写成Edison’sI’ve received a post card.It is sent by a friend of my————cousin为什么不是cousin’s I share a room________a friend of ________.A.with;I B.and;my C.with;mine D.to ;me 怎样理解在 共产党宣言 德文序言中 这个纲领现在有些地方已经过时了 这句话 关于共产党宣言的小句子It closed with words that quickly becanme famous：“Working people of all countries ,unite!"重点翻译It closed with words that quickly becanme famous 谁知道人教版历史大事年表【七上、下册,八上、下册的】我要这四册书的,要全面点,一定要最新这两年的人教历史书上的哦 陈望道什么时候完成的翻译共产党宣言 求running man120930中纸片的折法~ Lucy with her parents ——in Shanghai 横线上填什么横线填B动词 ,是is 还是lives 翻译THe Weather Is So Hot The Mood Is So Bule