1.where Is bob he ---------- pictures in the room A draw B draws C drawing D is drawing 为什么
题目
1.where Is bob he ---------- pictures in the room A draw B draws C drawing D is drawing 为什么
2.let's piay computer games it-------great A sound B hears C listen D speaks 3.there --------a black and there ----a bank and threerestaurants on this street Aare Bis C aren,t D does
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我好吗 我浒i
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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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