people have never ___ that before.人们以前没听说过那件事
题目
people have never ___ that before.人们以前没听说过那件事
the children are playing happily ____.孩子们在船上开心的玩
the party ____ songs.晚会以唱歌结束了.
those monkeys are jumping _____.那些猴子一直再跳
答案
People have never heard that before.
The children are playing happily on the boat.
The party ends with songs.
Those monkeys are jumping all the time.
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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