—Did you know when____?—Sorry,I have no idea.
题目
—Did you know when____?—Sorry,I have no idea.
A.he will come B.will he come C.is he coming D.he was coming
老师说答案是D,但我认为是A,
答案
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