They are coming into an area ____ we have no access,so we have to operate with the
题目
They are coming into an area ____ we have no access,so we have to operate with the
help of the local police.
A.with which B.to which C.for which D.to where
这题选什么?
答案
B
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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