1、They put一the fire一a blanket.A.in;with B.out;with C.out;use D.into;use 2丶It’s too cold.I’d like一to
题目
1、They put一the fire一a blanket.A.in;with B.out;with C.out;use D.into;use 2丶It’s too cold.I’d like一to eat.A.anything hot B.hot anything C.something hot D.hot something
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ba
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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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