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极限的证明问题.当x趋向3,3x－1的极限为8,用定义证明很简单,那怎么用定义证明极限不是9而是8呢?就变成了3（x－10╱3）＜3（x－3）＜ε,取δ=ε╱3,不也可以证明极限为9是正确的吗?过程上有哪 什么叫做为人师表,为什么要为人师 如何为人师表 怎样为人师表 求救!英语语法题!The British are not so familiar with d求救!英语语法题!The British are not so familiar with different cultures and other ways of doing things,____ is often the case in other countries.A.what B.as C.so D.that 答案是B老 Your account has been successfully registered!You can now login with your user information. 1.The British are not so familiar with different cultures and other ways of doing things,_____ is often the case in other countries.A.as B.what C.so D.that2.______ is known to the world,Mark Twain was a great American writer.A.That B.Which C.As D.It3 单选The British are not so familiar with different cultres and otherr ways of doing things.__ isoften the case in other countries.A.That B.So C.What D.Which 为什么不选C?并翻译句子. The British are not so familiar with different cultures and other ways of doing things.______is often the case in other countries.A That B So C What D WhichWHY? The british are not so familiar with different cultures and other ways of dong things,(as) is often the case with people in other countries.答案是as,可我总觉得是so.请高手指教下 计算：1+根号2+根号3/1-根号2+根号3说明式子上下怎么转。是不能被采纳的 For your protection,your account has been temporarily disabled.Please try again later. kong jian hao ci,merry christmas 我登入instagram时,他出现错误your account has been disabled for violating our terms.you can learn more in the help center. 《论语》和《大科波菲尔》的读后感各一篇2000字 水平不要太高 只是借鉴 compare him with the other 的意思是把他与其他人相比,为什么other 前要加the?为什么啊,..应该是others吧。 翻译：How can you compare with him? 电导率和水的纯净度有什么样的关系?电导率能表示水的纯净度 不知是这样么?如果是那之间有什么关系 水的纯度可以用电导表示吗 Your account has been credited. 2011年4月1号银川-北京西K175/6次列车升级为T275/6次特快旅客列车,升级后……一道数学题.（2011•宁夏）2011年4月1号银川-北京西K175/6次列车升级为T275/6次特快旅客列车,升级后列车的运行时刻 下面的复合函数的题怎么理解 复合函数通俗理解复合函数的通俗理解? 我要被作文逼疯了,无奈啊=.=|||写作文到底有神马用 高一音乐论文(10000字)关于摇滚音乐和现代流行音乐的,好的话我还会加分的哦! 确定我国经济体制改革目标的核心问题是正确处理什么的关系 我国经济体制改革目标最关键的选择是什么 Spectral Quadrangulation with Orientation and Alignment Control怎么翻译 take…as a 确定我国经济体制改革目标,核心问题是正确认识和处理什么? 所有的书 包括音乐什么的.分高一上半学期和下半学期的 分别几册 My friend Mary lost her bag in a restaurant the day before yesterday.(对划线部分提问) __________in a restaurant 划线句My friend Mary lost her bag in a restaurant the day before yesterday.(对划线部分提问)__________ __________ your fri