高考核心假期作业

椭圆和双曲线的准线有什么性质 old man asked him where he was going.这句话如何译 疑问代词引导间接问句,动词是联系动词be时,可能有两种不同语序.如He asked,“Who is that man?”接上.】=He asked who the man was.=He asked who was the man. 英语翻译1,He said,These flowers are from guangdong2,Jack told Jack,These will be a meeting in five days 3,Tom asked Anna,Are you going swimming with me?4,Mr Brown asked Paul,Have you finished your homework5,The girl asked the two girls,What are y My bother went to c___ last year 我有个“百度知道”知道的号忘记密码了,怎么办? Vear went to see some frinds last Friday.同义句Vear ___ ___ ___ last Friday.急用急用谢了 我想进一些货,但我不知道哪里进,怎么办?怎么知道哪里进比较便宜? 他有时间饭后休息一会 英文翻译 He has ---- time ---- ---- ----after lunch. 一个装满粮食的圆柱体粮仓底面直径10米高6米,火车运走2/3,剩下每次装7.85立方米运走,需要运几次 一个圆柱体粮仓的底面圆半径为2/π,高为2米,现有一只猫从A点出发,打算捕捉C处的一只老鼠则猫从A点到C点爬行的最短路线为?图：一个圆柱体,左下角是A,右上角是C 一个粮仓由一个圆柱体和一个圆锥体组成的..圆柱底面直径是5米高3米,圆锥直径6米高2,4米求这个粮仓的容积是多少 一个圆柱体粮仓 高3米加2米 表面积增加25.12 这个原来体积是?急急急！！！！！！！！！！ 若X+(1/X)=3,则X²+x+(1/x²)+(1/x) f(x+1)=x+(1/x)-3 求(x²)同上 活动栏杆里最下面有个钢板,规格是-50*6,"-"什么意思? 钢板H1080*700*50*40表示什么意思 圆周率到底是一个什么概念?我知道是周长除以直径.回答具体一点(概念）.并且人们为什么意识到有圆周率的呢? Why don't you visit the Palaca Museum with me?___visit the Palaca Museum,___ ____?(同义句） “why don't you visit the Palace Museum with me?"改同意句 come into to classroom的意思 以五为直角边的勾股数 直角边长为十二的勾股数有哪些 求证：勾股数（勾股定理的正整数解）必定满足三数之积是60的倍数（或证两直角边之积是12的倍数）.1楼2楼实在是太高了，居然是这样来证明的。兄弟佩服。 求一组勾股数,一个直角三角形,一直角边为8,斜边等于直角边加一,这组勾股数为多少也就是8为勾 股为x 弦为x+1 （也可能不存在） I hear that we'll take a school trip next week __.I want to relax myself.A I hope so B I hope not I want to go to Hangzhou next month.的答句A.Have a good day B.That sounds good i'm glad that Peter decided to come to the party because we___him for several years.A.haven't seen B.don't see C.didn't see D.hadn't seen 问：选什么,为什么? ab=ad,ac=ae,∠bad=∠cae,试说明be=cd 已知:AB=AD,AC=AE,∠BAD=∠CAE=90°BF=EF求证:AF⊥CD 椭圆的准线方程是什么? 1、一块圆形地按1：5000画在图纸上,半径为5cm,求这块地的实际面积.2、鸡鸭共140只,鸡的只数比鸭少四分之一,鸡和鸭共多少只?