有一项目初始设备投资100万元

高一的数学题,不会了. 如果L1,L2直线的斜率是二次方程x^2-4x+1=0的两根,那么L1和L2的夹角是? That's a beautiful ship.改成一般疑问句 I like that beautiful house.(一般疑问句) that knife looks beautiful,it is s------- That dress looks beautiful.But it isn't _e____ she was late for school. She was late for school was late for 是谓语吗 school 是宾语吗 heir school looks very beautiful否定句 my school has ____ it's very beautiful A a new look B new book C looks D a look The first of July ,2011 is Chinese Communist Party's birthday.A:seventieth B:eightieth C:ninetiet 连词组句 is ,today ,rainy ,it ,连词组句 her,is,this,birthday,first ,the ,of day ,month today it's the first time i'm REALLY proud of being a chinese.奥巴马老婆子这句话是啥意思? ____(jim)birthday is on the first of May用所给词的 适当形式填空 Was Janet at school yesterday?和No,she wasn`t.She was at home.中文是什么? You know guy,I never hate onesthat I don't like! 英语 l will never bother l know you don't like me and i don't want make you hate me. 如图,点A,B在数轴上,它们所对应的数分别是-3和1-x2-x,且点A,B到原点的距离相等,求x的值 《鱼化石》一文中最能体现鱼化石特征的诗句是哪两句? 我会拼读单词,但觉得始终理解不了语法,阅读能力不高,如何提高英语? moruitu 把这个音用英文语法拼个词出来 我想用它来做名字非常感谢你们的回答，么么~ 1.鱼化石象征意义 2.结合诗歌具体内容,简析《鱼化石》的象征性与哲理性特征 冷藏箱的温度是几度,冷冻箱的温度是几度?冷藏箱的温度是几度,冷冻箱的温度是几度?冷藏箱的温度是几度,冷冻箱的温度是几度?冷藏箱的温度是几度,冷冻箱的温度是几度? 电池是放在冷冻箱还是冷藏箱?以前在电视上看到把电池放在冰箱里有好处,但我忘记是放在哪个里面了 数轴上A对应的数为a,b对应的数字为b,满足|a-12|+|b+6|=0,O为原点 宇儿丶 |数轴上A对应的数为a,b对应的数字为b,满足|a-12|+|b+6|=0,O为原点宇儿丶 | 2010-09-19 | 分享问题补充：(1)求A,B的值,并在数轴上标 数轴上的原点是字母o还是数字0? 跪求!一篇小作文《关注物价 关注民生》... what do you think is the most serious chanllenge of living in a city like shanghai? What do you think is the most serious challenge of living in a city like Bei 关于十七大的作文求一篇关于十七大的文章,要体现爱国精神!我要的是一篇演讲稿,符合初一的风格 四川 人口分布特点 关于"十七大"方面的作文