同义句转换:1.she borrow my bike two weeks ago.she __
题目
同义句转换:1.she borrow my bike two weeks ago.she __
同义句转换:
1.she borrow my bike two weeks ago.
she __ __ my bike for two weeks.
2.John is no more a child.
John is __ __ a child.
3.They started to skate three hours ago.
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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