参观科技馆观后感400

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有一篇完形填空不太会、希望你这个第一可以帮我看看...Mr.Smith looks ()of the window.There is a little boy on the other side of the street.The boy ( )a piece of bread out of a bag and begins to eat it.There is a very thin dog 帮忙找一篇完型填空,希望附带答案开头是“:Failure is never pleasant.It hurts adults and children___. 帮我找一篇完型填空,希望附带问题答案!开头是Failure is never pleasant. It hurts adults and children ___. But it can make a positive contribution ……………… 一篇完型填空,希望能把答案全给我, 小宏从家到校上学,出发时他看看表,发现如果每分钟步行80米,他将迟到5分钟;如果先步行10分钟后,再改为骑车每分钟行200米,他就可以提前1分钟到校.问小宏从家出发时间有几分钟?问小宏从家 有苹果和梨,如按每1个苹果5个梨分堆,梨分完还剩6个苹果;如按每1个苹果2个里分堆,苹果分完还剩6个梨.问:苹果和梨各有多少个? 急求四年级盈亏问题答案一些苹果分给若干人,每人5个余10个苹果,如果人数增加到3倍还少5人,那么每人分2个还缺8个,苹果有多少个? 一篇完形填空.Mike is an Englishman.He lives in a __1___ building in the __2___ London.There are eighteen floors in the building and he lives on the fifteenth floor.He__3___ a lift (电梯)to go up and down.He works very hard.He__4___ to work ea 完形填空一篇Last Sunday I saw the ___1___storm in years. It came ___2___and went on for more than three hours. After lunch, I went into my room to have a rest. The air __3____hot and all was quiet. The strong wind started ____4___ into my roo 求一篇完形填空Erik was a fourteen-year-old boy.He thought he was a young man but his parents didn't think so.They told him,"When you begin to think about1 others,you'll be a young man." One morning,his parents gave Erik 2 money to buy hamburge 数学猜想,高智商人士进每一个大于9的奇数都可用3个质数来表示比如:9=3+3+3 11=3+3+5 13=3+5+5以此类推,谁能证明我问的是证明 知名咖啡店星巴克在故宫开了多年,许多人对此已见怪不怪.但有人却发出抗议认为“故宫里的醒巴克”是对中国文化的践踏,并以个人名义向星巴克总裁发出抗议,要求将星巴克从故宫里搬出去 求中国数学发展史简介 什么是同角和等角,急,要好理解点的 如一国货币政策保持不变,只采取紧缩的财政政策的条件下,从内部平衡看,政府减少支出,会导致 政府进行金融调控的主要政策手段是财政政策吗? 《香菱学诗》中“三味”的意思 同角和等角的区别 等角,同角什么是等角,什么是同角?请画图说明.我这样理解对吗(如图)如有出入请另画图说明.画图给答案者赏金增加. 已知一次函数y1=-x;y2=x+4 (1)写出它们图像的交点坐标; (2)当x为何值时,y1>y2? 我脑袋打结了 若数列(an)通项公式an=1/((n+1)^2),(n属于正整数)记f(n)=(1-a1)(1-a2).(1-an)试通过计算f(1),f(2),f(3)的值,推测出f(n)=______ 项链打结了,用什么简便的方法才能解开她? 什么是等角,什么是同角?有什么区别? 请问高中做数学题有什么方法吗?为什么稍复杂的题目总是想不出从何做起呢? “我是不是有点吃亏啊”这句怎么翻译成英语啊? 英语翻译 英语翻译必须用到 it pays 什么是同角和等角? 对于n阶方阵A,B有AB≠BA,则丨AB丨≠丨BA丨 是否正确? 已知n阶方阵A,B满足AB=A+B,试证A-I可逆,其中I是n阶单位阵 我付出了代价 用ENGLISH怎么说?