如图，已知抛物线y=1/2x2+bx+c与x轴交于A、B与y轴交于C

关于理想的名言警句及其解释（注意!是句子的意思!两句） 英语翻译在预测分析中,最基本的预测模型为线性回归方程,针对一些规律性较强的数据,该模型能作出精确的预测,但在实际中,我们得到的常是一些离散的,规律性不强的数据,为解决此类问题, 英语翻译水资源是国家经济发展的基础资源之一,合理加以开发,加强保护,以提供更多的水量,并做到可持续利用,是一项重要而艰巨的任务.全国多年平均地表水资源量约为2.7万亿立方米,不重复 急求空姐上飞机时说的那一段英文广播词,南航的也行,其他的也可以要英文的哦,急啊 机场广播词要办理乘机手续和登机还有接人的,最好有英语,没有英语也可以. 有谁知道飞机上的广播词是什么?谁有关于飞机上安全设施的广播词?比如：安全带,氧气面罩,救生衣,紧急出口最好有视频 我不知道怎么到机场 _______________________用英语怎么写 1、We have many skirts ____ red color. I have (many/much)_____ homework to do . many a student 后面用have还是has many people ____ (have) a cold. 填have,has还是had? 说明理由!填have,has还是had? 说明理由!说明理由!说明理由! 英语翻译同上 英语翻译55555……救救, 陋室铭翻译发一下谢谢 机场到达层 英文虹桥机场新开到达层,可是到达层怎么表达? --_____milk do you have?--l have four bottles of milk. A .How much B.How many I have four classes every day.(用how many提问) I have four classes every day.用how many就four提问 I have four cousins 改成用（how many)的疑问句 How many countries have you been to____ _____? About four How much do you like your car ( )I would have paid ( )for itA very much ,as twice much B very much ,twice as much C wonderful ,twice as muchD wonderful ,even more不是要twice as much as吗 How many( )do you have?A.tea B.sheep C.coat D.paper How many fingers do you have 怎么回答 how many friends have you区别 how many friends do you haveI have four friends in USA.(对four friends提问）正确答案应该是下面哪一个?为什么? How many friends have you in USA? 还是How many friends do you have in USA? How many ____(knife) do you have?根据所给单词的提示,填入适当的词使句子变得完整. （ ）1..My father ______a new car. He _______it very much. A.have ,like B.has,likes C.has,likeD.have,likes( )2.Lily often ______ some presents on her birthday.A.gei B. geis C.send D.sends( )3.He often _______ some novels on Sunday.A Peter's father is very()(not free),so he does not have much time for his family 1)I have an()cap.this man is very(). 2)my father has a new().we usually()TV on saturday evening.每题都用同样的单词. 英语翻译 my father likes pandas very much.该否定句.my father_____ _____pandas at all. He looks like his father very much.改为一般疑问句 孙中山的辛亥革命孙中山在辛亥革命前为什么要去日本啊?急孙中山在辛亥革命时的同盟会为什么会在日本?急两个都要回答,尽量要在明天下午之前回答周一有用!谢谢合作!