得到奖状后的获奖感言

需要一个三到五分钟的英语PPT 例题：解方程x^2-「x」-2=0 「」为绝对值1,当x>=0时,原方程化为：x^2-x-2=0解得：x1=2,x2=-1[不合题意,舍去]2,当x 正方形桌子的正上方挂着一盏灯.已知桌面的边长为0.8,桌面的高度为1,求灯泡距地面3时,桌面在地面上的投影（正方形）面积.、 如图 ,平面直角坐标系中 ,A（2,2√3）,点A、B关于y轴对称,过点B作BC//A0交x轴于C如图 ,平面直角坐标系中 ,A（2,2√3）,点A、B关于y轴对称,过点B作BC//A0交x轴于C点,连接BO 1.从1-9任意选一个数字A2.将A加3,再减2,得出数字B3.将B乘以9,得出数字C4.将C的个位数和十位数相加,得出数字D5.将D乘以50,得出数字E6.将E减去200,得出数字F我想知道这是为什么,不管你选择哪个数 布加迪威龙 的英文怎么说? 布加迪威龙的标志上的英文是啥啊?我要那句英语 布加迪威龙英文名如题 最好有发音音标? 趣味"叠字"古诗词十指不沾泥,( )居大厦 关于描写儿童天真可爱形象的诗句 描写儿童天真可爱的诗句 古诗中叠字的好处 求朗朗上口（含叠字叠音）的古诗词比如：扬子江头杨柳春,杨花愁杀渡江人.昔人已乘黄鹤去,此地空余黄鹤楼.黄鹤一去不复返,白云千载空悠悠.凤凰台上凤凰游,凤去台空江自流.翦翦轻风阵 含有描写儿童天真可爱的诗句 My MP4 player isn't in my bag .Where____I have put it My MP4 player isn't in my bag.Where___I have put it?A.can B.must C.should D.would 请问答案为何是 A 这与 have put 这个完成时态 my MP4 player isn't in my bagMy MP4 player isn't in my bag.Where _____ I have put it?[ ]A.can B.must C.should D.would 为什么选A? I have a bag.改为否定:I have not a bag.I don't have a bag.哪个对?Have的否定变化. where is your homework sorry,i_it in my sschool bag at home a forget b have left c haveforgottend will forget 已知函数y=sin^4x+2√3sinxcosx-cos^4x,(1)当x取何值时,函数取得最小值,(2)求函数单调递增区间 求好心人解答一下“对药家鑫事件的网络舆情及舆论引导的分析”的英语翻译, ( )( )到来词语补充用叠字 put the bag in the car please是什么意思 please put the bag there(改为否定句)还有下面的问题:there are three books in the desk.(对划线部分提问)-----------we ofter eat lunch at home.(改为一般疑问句)the girl is singsing in the room.(对划线部分提问)---------what 英语翻译AI believe that my country,Poland,is a perfect example for a place where food is particularly important.When we were little children,we began to understand how much a loaf of bread meant to our parents—to some it might sound silly but f 英语翻译Do you blank out,freeze up or feel so nervous in exams that you have trouble writing answers to questions that you knew just the night before?If so,you likely have a case of test anxiety.But ,don't panic.By recognizing the problem,you are 英语翻译I always dream about returning to the past.As many people say,childhood is the happiest and easiest time in one’s life.Children show you their true emotions.They know what is compassion and what is tolerance better than adults.In their 叠字的作用迢迢牵牛星中的叠字有什么作用?知道的说一声 真正的叠字诗词求几首叠字诗词,除了要求把整首诗完整写出来, 写一首叠字的诗要自己写的! 0到9,对方让我任意猜一个数字,而我一次可以选五个数,有一个数猜中了,既为我胜利.怎么猜我猜中的概率才最大? 自然数中最小的偶数是几? 将函数y=5sin(-3x)的周期扩大到原来的2倍数,再将函数图像左移π/3,得到图像对应解析式是____y=5cos3x/2,