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二大题, 二大题 作文要求写爱的瞬间,最好给一篇作文,开头结尾要运用修辞,要华丽如果没有作文给个题材写可以 答好加100分 双曲线图是什么意思?如何从图上看发动机性能? 双曲线题,没到等级没有图片功能距离与到点N的距离相等. 若AMN为锐角三角形, |AM|= 17 , |AN| = 3, 且|BN|=6. 建立适当的坐标系,求曲线段C的方程. 为什么国家励志奖学金、助学金还没发?江苏电大的。 有国家励志奖学金是不是就没有助学金了 今年还有没有国家励志奖学金和助学金了? 二大题,急 只要二大题 二大题, 如何做短文改错题 帮忙做英语短文改错题,急用,(每行一个）When I got back my hotel room at 7:30 last night(1.)there was a notice that a Mr Frank Smith(2.)had telephoned at 3 o'clock in the afternoon and that(3.)the message told Mr Smith would appreciate 如果一个双曲线的图像经过点(-a,b),那么它一定经过同时经过点(-b,a), 已知：如图,双曲线的图象经过A（1,2）、B（2,b）两点． （1）求双曲线的解析式； 三个火一个木读什么 销售员周报怎么写? 销售助理的周报总结怎么写?第一次接触销售..要崩溃了.. 在公司怎么写周报啊? 我写周报要提一些意见和,见意不知怎么写 谁帮我做下这个短文改错One day the sun was very strong,Jim was so tired to walk.There was no trees near the road ,so he restedunder a big rock.After drinking some water ,he took hisshirt,lay down on the ground and fall asleep at once.he was 短文改错One day the sun was very strong,Jim was so tired to walk.There was no trees near the road ,so he restedunder a big rock.After drinking some water ,he took hisshirt,lay down on the ground and fall asleep at once.he was very tired that he d 短文改错帮忙做一下 急 王莹连笔字什么写 请教关于双曲线的知识过双曲线的一个焦点作直线,被双曲线的一支截得一段长度,在这所有的长度中,通径是最短的吗?如果不是,能不能找出与通径等长的两条线段?这个要怎么计算? 椭圆,园,双曲线等图形的公式及知识点快摸底考试了,忽然发现有好多知识都忘了,书找不到了, 关于椭圆双曲线的知识 高中双曲线知识点 how am i supposed to know a thing like that?翻译成中文啊 最好用照片拍下来, What does the birthday card say?Can l ____(read/see/wath/look)it?说一下为什么 what does the postcard say?can I ___it?A：looked B：read C：watch