____wonderful time the boy and his grandpa are having together!A.How a B.What C.What a D.How
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____wonderful time the boy and his grandpa are having together!A.How a B.What C.What a D.How
How do you like the pair of shoes?I don't like the colour.I'd like tpo try on____on that shelf .A.one B.the ones C.that D.ones
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CC
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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