描写教室场景的英语作文60词
题目
描写教室场景的英语作文60词
答案
Our classroom is big and bright.It is a nice and clean classroom.There are three big windows and two doors.The big blackboard is on the front wall.There is a teacher's desk in the front of the classro...
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