求妙语短篇A1第7,8篇
题目
求妙语短篇A1第7,8篇
The package和A sad story!
答案
7.The package One morning a mailman walked up to a house.He rang the bell. A few seconds later a window of the house opened,and a woman put her head out. "What is it ?"she wanted to know. I've got a p...
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