We are going to Bird Island tomorrow.Please take some food for the picnic.
题目
We are going to Bird Island tomorrow.Please take some food for the picnic.
英语改错
答案
We are going to Bird Island tomorrow.Please bring some food for the picnic.
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．
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