the elephant Is the biggest animal in ___ today?Is the elephant the biggest animal in ___ today?
题目
the elephant Is the biggest animal in ___ today?Is the elephant the biggest animal in ___ today?
Is the elephant the biggest animal in ___ today?
a.crisis
b.motion
c.action
d.existence
答案
the elephant Is the biggest animal in _nature__ today?Is the elephant the biggest animal in _nature__ today?
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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