根据汉语意思完成句子 贝蒂在十岁是开始学画画.Betty started ( )( )draw when she was a little child
题目
根据汉语意思完成句子 贝蒂在十岁是开始学画画.Betty started ( )( )draw when she was a little child
答案
Betty started (learning) (to) draw when she was a little child.
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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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