函数的极大值和极小值

英语作文holiday80词左右 My room 写一篇50词左右的小短文 求一篇一分钟英语演讲稿最好有中文翻译,只要一分钟的 本人急需一篇关于旅游的一分钟英语演讲稿,急!谢谢! 求一篇一分钟英语奥运演讲稿.被逼急了,只要初一水平就可以了.最好慷慨激昂一些.拜谢! 我要一篇关于友谊的一分钟英语演讲稿要简单易懂,不要太长, In__(一个单词）society,more and more people are moving into cities We live in a time___more than ever before in history,people are moving aboutA what B when C which D where选择哪一个?为什么? We live in a time___,more than ever before in history,people are moving.A what B when C whichD where ,请问选哪个,为什么?怎么完全看不懂呢?我正在学定语从句,这是06年的一道考题. We live in a time when,more than ever before in history,people are moving about. 带上羽毛球拍英语翻译用take 英语翻译 像妈妈 英语翻译,用take after my holiday作文50个单词左右,【副汉语】,今天9;00以前要, 完成几篇优秀作文（英语）1,My favourite 2,My holiday 3,My school days 4,My plan 5,MY interesting things在六十字上，一共五篇 In order to encourage people to give more money to charity,a banquet(宴会)is to be held in the Great Hall of the People.Ordinary（普通的）people can pay to attend the dinner.This is the first such event held in China where all the money raised More and more people prefer--to--in order to reduce the air pollution.(A.to walk,driving B.walking,driving) With the r______ development of our society,more and more people choose to be single. In order to stay fit,people pay more attention to their的意思? The society is sure to change better with more and more people devoted to helping those in need.这句话如何分析? 做一些锻炼用英语怎么说do some exercises 奶和茶都对健康有益.用英语怎么说 加强锻炼 用英语怎么说? with the development of the society,parents ____ more and more money on theirchildren's education.A.take B .cost C.pay D.spend 请问横线上 选 哪个?帮下忙 At the crossing,when the light is red,we must_____快回答!快!在线等!~!~!~! You must stop when the light is red 改为祈使句 “坚强的意志”用英语怎么说? 培养坚强意志 英语怎么说 英汉互译：苹果对我们的健康有益吗友情提示 ：be good for...对.有益 还有啊,是问句哦 下列关于人民币的说法正确的是 1.人民币是由国家发行的并强制使用的货币符号 2.人民币的面值是由国下列关于人民币的说法正确的是1.人民币是由国家发行的并强制使用的货币符号2.人民币 英语翻译：nothing more than nothing是什么意思? there is nothing more important than the sun.整片原文 翻译