the bus conductor urged us to move in as soon as we got onto tje dus
题目
the bus conductor urged us to move in as soon as we got onto tje dus
答案
我们一上车,公共汽车售票员就催促我们往里走.
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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