求一篇英语作文 我的全家福
题目
求一篇英语作文 我的全家福
答案
My FamilyI have a happy family .There are three people in my family ----my mother,my father ,my grandmother and me.My father is a engineer of a factory,and my mother is a housewife,her work is respons...
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