It was snowing very hard for days.Nicholas's two dogs,Sam and Suzie,had nothing to eat f____a
题目
It was snowing very hard for days.Nicholas's two dogs,Sam and Suzie,had nothing to eat f____a
They knew that things weren't right at home,so yesterday morning they wanted to go out.Nicholas put them out through the window b____the snow was so deep outside that he couldn't open the d_____.Last night the didn't come back."Dead,"Nicholas said to himself."They are only six months old.This weather will kill them."But just then Nicholas h____them calling him.He looked o_____and could not
believe that they were drawing a big dead hare through the snow.They dropped it through the window into Nichulas's hands.Hare for dinner!注意全对,
答案
for,because,door,heard,out
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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