根据上下文意思和首字母提示,补全对话.
题目
根据上下文意思和首字母提示,补全对话.
A:What erlse did you do?
B:We w____ camping in the afternoon.We did many interesting things t___ .We were very tired but really h____ .
A:What erlse did you do?是A:What else did you do?
不好意思打错了
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
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