They have been here since 2000.划since 2000.(对划线提问)____ ____have they been here?
题目
They have been here since 2000.划since 2000.(对划线提问)____ ____have they been here?
答案
How long
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
- 三个连续偶数的和是三m则是这三个偶数中最小的一个数是多少.
- Mr Lin had lunch with Miss Chen last week.改成一般疑问句和否定句
- “信赖,往往创造出美好的境界.”这句话的含义是什么?
- Can you paint?
- 小学数学六年级(上)周末新思维练习卷(十四)5,6,10,11,12.
- relation to 与 relation with 有什么区别?
- 设函数f(x)=1 x ∈[1,2] ;f(x)=x-1 x ∈(2,3] g(x)=f(x)-ax, x∈[1,3] ,其中a∈R,记函数g(x)的最大值
- 棱长是几米的正方体体积是1立方分米?棱长是几的正方体,体积是1立方厘米?
- you can do an experiment on me.[改为祈使句]
- 数学 简单算术
热门考点