中国全渠道零售决策者峰会

已知f(x)满足f(x)+2f(-x)=x2+5x+9,求f(x)x2为X的平方 已知A={x|x2-ax+a2-19=0},B={x|x2-5x+6=0}且AB满足下列三个条件：1.A≠B 2.A∪B=B 3.∅真包含A∩B,求实数a的值今天之内答完，OK？ "被称为亚洲干旱中心"英语怎么说 "北京春天干旱多风"用英语怎么说 遭受严重旱灾地区 英语怎么说? 2009年8月中国东北读取由于持续干旱362500人遭受饮水短缺之苦英语怎么说 急求《史密斯夫妇》观后感,用英文写的 ,高中水平就可以了~ 求助关于的英文简介小女子在这里有礼了~现在遇到一件急事,需要做一个英文影片的演讲,大概3-5分钟,所以我需要关于电影的英文简介,还有中文的配套翻译,因为我的资历不高,倾尽所有的记分 "史密斯夫妇" 用英语怎么说 求史密斯夫妇的英文影评 从上午10:00开始输液,液体总量为1500ml,输液速度为60滴/分,其输液结束的时间应该是几点 作为护士不敢给病人打针输液怎么办?作为护士不敢给病人打针输液,不好意思给病人导尿灌肠,怎么办啊?我真心求解决办法,谢谢了 英语六级求推荐词汇书和真题?王长喜?华研?还是星火? 童年高尔基 句子赏析! 500ML输液瓶高度和直径是多少啊·谢谢 有2道英语..填词..附理由A loud knock at the door made the baby a_______ and she began to cryIt is not s____ to take so much money with you in a train 请附上理由 八年级英语首字母填词2道1.L______,he won the first prize.2.U______,the trip was kind of boring. 2个简单的英语填词!1,Two died and five were i_____after floods attacked the village.2,She suddenly felt r_____when she finished talking to the boss. 1:(a加B）×（a-2b）等于；（a加4b）（m加n）等于_____.2：把直线y等于1/2X-1向上平移1/2个单位,可得到函数____.3:在-20/7,1/2π,0,1.23,3的平方根,4的平方根,0.131131113中,有理数是_____.4：分解因式：X的平 已知：△ABC中,∠C=90°,AB=13,AC=5.在三角形内有一点P,它到各边的距离都相等,求此距离.还没学内切圆 干燥综合症英语怎么说 土地干裂用英语怎么说 2010年的cctv杯英语演讲比赛怎么没有转播?每年的这个时候cctv 英语频道都会转播cctv cup English speaking contest,今年为什么没有了?是不是没有举办还是因为其他原因? 英语填词题目请帮我填一下,并翻译成中文My cousin Peter was i____ in reading.He studied in a school n____hishome.But he had no money.His family was very poor.He couid not huy a____books.One day he had a good idea.He thought he could fi 英语题目（填词）Dear Kate:I really love US,the _________here is lovely.I go to the seaside everyday.But yesterday I _______________to a museum.The museum_______big .I_______________many photos.Then I ______this postcard.I______some friends fr 就是填词1.A：Oliver Jone is an excellent composerB:I agree.He _______beautifully.I think _______very talented2.A:Irene______going swimmingwith us today because she______like to swim when it cold 3.A:I'm jealousof my classmates.They speak English people and animals live in the s____ world.We should keep the balance b___ people and animals.If the balance is destroyed,there will be the bad result to b___ people and animals.Wild animals are f___ of people.We have to protect them or there will be 2008cctv英语演讲比赛日期 2009年“CCTV杯”英语演讲比赛半决赛题目Culture Smart or Science Intelligent?中文啥意思 诚信故事,要自己的 自我优点介绍 自我介绍如何描述优点