fortunately i 've been involved in the work in 1980s,and currently i've gained some achievements.
最新问答: 瞬息万变的近义词是什么 塞翁失马和智子疑邻分别可以用什么成语来形容? 在公式s=Uot+二分之一at的平方,当t=1时,s=13,当t=2时,s=42,求Uo、a的值.并求当t=3时,s的值 设直线l:y=5x+2是曲线C:f(x)=[1/3]x3-x2+2x+m的一条切线,g(x)=ax2+2x-25 帮忙翻译一下 高分悬赏It thought it was time to get to know the captain 请你根据提供的三个单项式x,y,-3写出一个二次3项式(可重复利用) 改同义句 I am in a Reading Club. 1.-Tom you said you would lend me your new bike. 已知圆C1(x+3)^2+(y-1)^2=4 一个等底等高的圆柱和圆锥它们的体积和是480立方厘米圆柱的体积比圆锥大多少 请教一道英语题目He gave _____details and put the phone down.A.many a 二级建造师 当贯入度已达到控制贯入度,而桩尖标高未达到设计标高时 如何理解 what is wrong with的意思 卧式椭圆形水罐容积计算 帮我看看这篇英语作文有没有问题I like live in a city.Because some of the sub 读地球颂的体会(急)~1不要太长`` (2002•海淀区)铁是一种应用广泛的金属,下列有关铁的说法中正确的是( ) 薄饼与冰激凌这篇小故事中有那些多音字 同义句转换:I'm going to take you around to see my hometown.I_____ 今天下午五一班和五二班的拔河比赛,他们终于赢了.修改病句