在二次函数中求三角形面积最大，最小的方法

选择题--------______________?-----She is my English teacher.A.Who is she B. What does he do C.What is she doing D. What does she She walks to school every day同义句转换 She is grown bigger如何翻译?这是什么时态? She goes to school on foot every morning 的同义句快 现在的伊丽莎白二世女王有什么权力?对英国历史比较有兴趣,不知道现在的伊丽莎白二世有什么实权没有?还有不知道她死后谁比较有可能成为她的继任者?知道的告诉我下,copy的不给分. 求英国女王伊丽莎白二世演讲的mp3要登基60周年的,10~12年的圣诞致辞,最好有文档 英语翻译1.be afraid of 2.agree to do sth.3.not…at all 4.one after another 5.at last 6.at once 7.at the same time 8.at work 9.be away from 10.go away 11.make the bed 12.do one’s best 13.be busy with 14.be busy doing sth 15.by bus /car / plane GIVE的短语有哪些?（高中需要掌握的）还有一些意思相近的GIVE短语的区别? Give.有关的短语带翻译 She goes to school (on foot) every day.（对划线部分提问） （）（）she go to school every day? My uncle will go to visit London next week.A、sometime B、some times C、some time D、sometimes i'm going to London ____ next month.A sometimes Bsometime C some time D some times My uncle will come to visit us( )next week.A.sometime B.sometimes C.some time D.some times做选择D肯定是错的 My aunt will come to see us _____next week.A sometimes B some time C sometime D sometimes 英语完成句子：If everything goes well ,you____________(将已到达）Shanghai by this time tomorrow.使用get. He _______ (be) here by this time tomorrow.He _______ (be) here by this time tomorrow.横线上面填什么～有人说不是will have been,因为它表示已经来过这里,那应该填什么 for this time tomorrow 用for对么? taylor swift的cold as you 歌词大意 She goes to work on foot还是feet Taylor Swift的I knew you were trouble的歌词及翻译 shi likes to go to work on foot .But she goes there by busshi likes to go to work on foot .But she goes there by bus空格内选——A、sometimes B、sometime C、some timesD、some time请问选哪个?分别都有什么区别? some times she ____(go)_____(shop) after work. jane often goes to work on foot but she takes a bus to work She goes to work on foot every day.(对划线部分on foot 提问）_____ _____ she go to work every day? 英语作文 :假如你要接受一家英语报社的采访 假如你要接受一家英文报社的采访,记者提出的问题是：“How can you be a good child?” 悬赏分：0 - 提问时间2009-12-21 18:52 根据要求写一篇发言稿.提示： 1》What should you do at school. 2》What can you "一名报社的记者"用英语说, 假如你是一家英语报社的记者,刚刚采访完你的偶像成龙,请写一篇英语作文 牛津高阶和牛津现代英汉双解词典哪个更好? 现代英汉词典和牛津高阶英汉双解词典哪个好 it's not easy for people to learn english well.为什么要用to learn用汉语说明白一点.在这一句话里,为什么要用这个词组的理由 is difficult for it old people learn to more English 连词成句