My uncle is a worker.He works in a ( )
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My uncle is a worker.He works in a ( )
还有
Your father and your mother are your ( )
Don't take this book becausee it is mine.( )is on the table.
答案
factory
parents
yours.
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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