英语作文;computer are very useful in my life 60
题目
英语作文;computer are very useful in my life 60
答案
With the develop of modern technology,computer is widely used in my life.With the help of computer I can learn of anything in the world.With computer's help I can work easily,so I have more free time thanbefore,and I can talk with my friends online.I don't need to buy books,because I can read books online.I can buy things online.So since I have the computer I only need to sit in my room and I can know anything on the earth
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
最新试题
热门考点
- 苏沧桑《淡竹》这篇文章的阅读答案!(七年级的课时优化阅读文章)
- 一次函数y=x+3与y=-2x+6的图象的交点组成的集合是( ) A.{4,1} B.{1,4} C.{(4,1)} D.{(1,4)}
- 薄厚玻璃杯放入金属倒入开水那个会裂开
- 已知O为坐标原点,向量OA=(1,1),OB=(3,1),在x轴上有一点P使AP*BP取最小值,则点P的坐标是?
- vhdl的
- 由氢2和氧18组成的11g水中,含有中子的物质的量为多少?含电子数为多少?
- 小明看一本书,第一天看了全书的四分之一,第二天看了40页,还剩全书的三分之一没看,这本书有多少页?
- y=sin(2x+5/2π)的对称轴方程是
- 爱国故事 400字
- 赐教:12棵树,每行4棵,种成6行,怎样种?