(You must finish the work by ten o ’clock this evening)被动语态怎么改?
题目
(You must finish the work by ten o ’clock this evening)被动语态怎么改?
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答案
The work must be finished by me by ten o'clock this evening
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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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