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历史上哪个帝国的疆域最广阔是蒙古还是波斯?纯边界计算，不说别的。 人际关系学中理性与感性的关系请阐述理性与感性的关系 现代人际关系学 1-x²≥0这个式子怎么解这个式子是这么解的吧?-x²+1≥0x²-1≤0(x+1)(x-1)≤0解得:x≤-1或x≤1这样解没错吧……为什么我找x=-2代进去不对呢?我哪一步解错了?应该怎么解,为什么? 求满足式子的x的值x²-36/169=0 判断题：5世纪时,日本的社会矛盾十分尖锐,政局混乱,改革势在必行,改革派发动宫廷政变成功,新上台的明治天皇颁布新诏书,大化改新开始了 . 请教家庭用三相电,怎么安装,直接一根火线吗?怎么接三根火线. He left without ____.A.noticed B.notice C.noticing D.being noticed 看不清就追问. 看不清就追问.22大题 看不清就追问. i like you without being known by you! 共产党领导中国人民抗日战争共历时几年? if you could do anything tomorrow what would it be? 请帮我看看这5句话对不对?1,He doesn't study,having mentioned before.2,Bob's father works on the project,having spent for years in Egypt.3,He came to my birthday party,I not having expect at all.4,She asked for this help,he having gave it gl 帮我看看这句话哪里错了"Lord of the Rings" won the 2004 76th Academy Awards for best picture and so on 11,and "Ben-Hur," "Titanic" tied up to become the Oscar-winning film history.原句是：《指环王》获2004年第76届奥斯卡最佳 看不清就追问. 先回答 看不清再发 Tom smith left school without ______ for leave.A.asked B.being asked C.ask D.asking the girl wrote a cinposition without ______ A ask B asking C being asked D to be asked If you go to the forest,you must be careful,or dangerous animals can a ____ you. If you enjoy math,you can be an__________. 为什么公用滴管用完之后,要用水洗净.严禁未清洗就吸取另一试剂 我国少数名族分布最多的省份是? 全国56个民族中,云南省就有52个,哪四个是云南没有的? 2009年是己丑年,那中华人民共和国成立五十二周年是什么年 香飘十里和守望相助分别是什么意思? 跟香飘十里的意思相反的成语是? 香飘十里 飘的意思是什么? 少数名族最多的是哪个省份? 我国少数名族人口最多的是哪个省 现代儿童诗带评语 “魏”字该如何组词?