lim(xx-1)x

清朝统治者在与明共存时是原始社会,清朝的统治是历史的倒退吗? 甲、乙两人同时从相距94.8千米的两地相对而行,经过4小时相遇.已知甲每小时行11.6千米,乙每小时行多少千 谁知道这是什么树, 谁知道这是什么树啊 安徽省安庆市岳西县房价我想知道现在岳西县城的房价是什么样子的.先谢过了!o(∩_∩)o... 第13课《海洋——21世纪的希望》教案, 蓝色的家园海洋教育篇分上下册吗 《海洋是未来的粮仓》教案是的幻灯片哪里有啊?帅哥,美女,大哥,大姐,我要的是效率!注意是幻灯片! 最凶猛的动物是老虎吗. 如果你知道就回答下我吧,举例证明不为拐点 地球上最凶猛的动物老虎么 ★●下午三点天雨降打一生肖★●四九三十六打一生肖★●→合作当中如错一期“人格信用保证”赔10张人民币,男子汉大丈夫说到做到.←━━━━━━━━━━━━━━━━━━━━━━━ 教诲如春风,师恩似海深,桃李满天下, All my classmate were fond of the cake that I made拆分句子 I was glad that all my classmates enjoyed the cake.I made it.同义句转换 I was glad that all my classmates liked the cake that I made 同义句I______ ______ _______ all my classmates liked the cake that I made 妇姑荷箪食 童稚携壶浆包含着什么成语 妇姑荷箪食,童稚携壶浆.什么成语,并解释成语的意思 有效数字到底是什么 He always works on Tuesday .改为一般疑问句 He works on a c________(前提是,他是个编程员）He has a grear c__________It's t_____big none of these fields are changable (2/2)直线y=1反射照到圆M上,求发出光线所在直线的斜率的取值范围 dfb激光器 有什么用 事物只有一个答案吗 反方辩论 此时此刻要用啊 辩论文:事物是否只有一个答案 None of these social probiems is ( )(独有的）to this country.填什么? 前面讲了一大串的东西,为什么对其否定时,用none of this而不用none of these?我在书上看到的. Now,none of these players would have gotten so far without the rest of the folks on this stage. We heard that when you are a kid you satiated a story to read it digest We were_____when we heard the story of Hong Zhanhui.Aimpressed Bfunny Cfriendly Doutgoing I will always be,even lonely open into the sea.搞不懂