4年级寒假作业答案2017

(a^2+1)(b^2+1)=4ab,则a^-3b+1= 设A>B>C,A^2+B^2=4AB,求A+B/A-B求（A+B）/（A-B） 两个很难把握的句子,1.a drink that provides the same hydration as water with antioxidants2.better than water be keen on your expect your eitherbe fond of anyone的意思Sorry,打错了I be keen on your expect your eitherbe fond of anyone请各位不要用翻译机器，用自己的话翻译一下， I be keen on your expect your eitherbe fond of anyone请各位不要用翻译机器,用自己的话翻译一下,sorry 打错了，应该是I be keen on your expect your either be fond of anyone 有哪些有关学习生活的对联 expect your _____ him speak English so fluently, and you would think him an American.A. HearingB. HearC. HeardD. Having heard 草莓生长适宜的pH是多少? 存托凭证有哪些优点?它是通过什么样的方式流通的? 有几道题做不来(英语） SOS!RT要有讲解哦1.The teacher came into the room ,with a bottle___water in his hand.A.filled B.filled withC.full D.full with2.Don't stan___your hands in your pockets.A.in B.withC.to D.for3.man____dirty clothes was 大蒜的Ph值是多少?大蒜抗癌症么?是酸性还是碱性食物? SOS!题目不会做!上联：青山原不（ ）,为雪白头 .下联：绿水本无（ ）,因风皱面. 对于不是标准长度（25/27.5m）的锚链,求助将锚链换算成米数. 1 选择:1"Handed"in "He handed the coat to hia wife ."means "_______".A.dreesed B.found C.passed D.threw 2 Read the story and _____the anser ___the question.A.find;of B.find;to C.find out;of D.find out;to2 改错:The goalkeeper A.Caught B.the ball C 成语“吃一～,长一智”那个字怎么读?求拼音字体! 吃一（ ） 长一智 写出那个字并标出读音 吃一（）,长一智.怎么读? 直线AB与直线BA是同一条直线吗 直线AB等于直线BA吗? Successful language learning is active learning.Therefore,successful learners do not wait for a chance to use the language,but they ask these people to correct them when they make a mistake.They will try to communicate.They are not afraid to make mis 直线AB与直线BA表示同一条直线.正确吗 军力合不齐 踌躇而雁行 势力使人争 嗣还自相最后1个字不知道是什么!有知道的告诉下 .出自那里 阅读曹操《蒿里行》一诗,关东有义士,兴兵讨群凶.初期会盟津,乃心在咸阳.军合力不齐,踌躇A概括本诗的情感内容B这首诗气魄宏大,感情浓郁真挚,笔力凝重,语言简练质朴,体现了曹操诗歌怎样 Thus,they learn to early t hide vulnerable emotions such as love,.问thus的词性?请问这里的thus是连接词,还是副词?　怎么判别,有什么规则吗? 学而不可以已,青,取之于蓝,而青于蓝,冰,水为知,而寒于水求出处及解释,切忌长篇大论. 求《治国不私故人》翻译 吃一（ 汉字 ）（拼音）,长一智 别拗, 1520527是哪个地区的号段? 1830000是什么地方的号段 1879884是哪个地区的号段?