八年级上册英语第一单元作文
题目
八年级上册英语第一单元作文
答案
oct.1dear diary,today,my friend lives far away named xiao fang visited me.we really had fun together.in the morning,we went to guangzhou museum and learned a lot about the history of guangzhou provinc...
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